CN109548142A

CN109548142A - A kind of paging method, apparatus and system

Info

Publication number: CN109548142A
Application number: CN201710631551.1A
Authority: CN
Inventors: 孙德奎
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-07-28
Filing date: 2017-07-28
Publication date: 2019-03-29
Anticipated expiration: 2037-07-28
Also published as: CN109548142B

Abstract

The application provides a kind of paging method, apparatus and system, to reduce the energy consumption of terminal and network side equipment, this method comprises: mobile management function to ps domain entity receives the notification message from conversation management functional entity, the downlink data that notification message is used to indicate the session of terminal reaches, and notification message includes LADN information；If it is overlapping that mobile management function to ps domain entity according to LADN information determines that the registration area of terminal has with the overlay area of LADN, mobile management function to ps domain entity pages the terminal.When mobile management function to ps domain entity receives the notification information of downlink data arrival, it is overlapping first to judge whether the registration area of terminal and the overlay area of LADN have, the ability call terminal when there is overlapping, improve the success rate of call terminal, it avoids terminal from doing invalid service request, reduces the energy consumption of terminal and network side equipment.

Description

A kind of paging method, apparatus and system

Technical field

This application involves mobile communication technology field more particularly to a kind of paging methods, apparatus and system.

Background technique

5th generation network (5th generation, 5G) defines local data network (local area data Network, LADN), and LADN, there are certain overlay area, only terminal could be enjoyed in the overlay area of LADN The service that LADN is provided, such as Packet Data Unit (packet data unit, PDU) conversational services.

Currently, terminal is in Idle state, or in connected state but when PDU session deactivates, user plane functions entity, such as 5G In user plane functions entity (user plane function, UPF) entity receive the downlink data that LADN is sent after, give Conversation management functional entity, as the conversation management functional entity (session management function, SMF) in 5G is real Body sends downlink data notification, and then SMF entity notifies mobile management function to ps domain entity, such as the access and mobile management in 5G Function (access and mobility management function, AMF) entity, in the registration area of terminal (registration area, RA) interior call terminal, instruction terminal initiating business request.

But, it is contemplated that the registration area of terminal may be not be overlapped with the overlay area of LADN, at this point, terminal does not exist Under the covering of LADN, therefore, LADN cannot provide service for the terminal, according to the method described above, then after terminal originating service request, It will lead to network side and refuse the service request, to cause terminal and the unnecessary energy consumption of network side equipment.

Summary of the invention

The application provides a kind of paging method, apparatus and system, to reduce the energy consumption of terminal and network side equipment.

In order to achieve the above objectives, the application provides the following technical solutions:

In a first aspect, the application provides a kind of paging method, comprising: mobile management function to ps domain entity, which receives, comes from session pipe The notification message of functional entity is managed, the downlink data that notification message is used to indicate the session of terminal reaches, and the session is this The session of ground area data network LADN, notification message include LADN information；If mobile management function to ps domain entity is believed according to LADN It is overlapping that breath determines that the registration area of terminal has with the overlay area of LADN, then mobile management function to ps domain entity pages the terminal.It should Method first judges the registration area of terminal when mobile management function to ps domain entity receives the notification information of downlink data arrival Overlapping with whether the overlay area of LADN has, the ability call terminal when there is overlapping improves the success rate of call terminal, avoids end Invalid service request is done at end, reduces the energy consumption of terminal and network side equipment.

In a kind of possible design, LADN information includes data network title DNN, and DNN is for identifying LADN；Alternatively, The LADN information includes DNN and LADN mark, and type of the LAND mark for identifying the corresponding DN of the DNN is LADN；Then mobile management function to ps domain entity obtains the overlay area of LADN according to DNN.Optionally, mobile management function to ps domain entity Can be according to DNN, from the local overlay area for obtaining LADN, optionally, mobile management function to ps domain entity can also send DNN Policy control functions entity is given, determines the overlay area of LADN according to DNN by policy control functions entity, and is sent to session pipe Manage functional entity.This method give two kinds of implementations that mobile management function to ps domain entity determines the overlay area of LADN, can Flexible choice.

In a kind of possible design, LADN information includes the overlay area of LADN；The overlay area of LADN is by session pipe Functional entity is managed from local acquisition, or is obtained by conversation management functional entity from policy control functions policy control functions entity. This method give another implementations that mobile management function to ps domain entity obtains the overlay area of LADN.Optionally, LADN It further include LADN mark in information, which is used to indicate the type of the LADN, i.e. the LADN indicates for showing this The overlay area carried in LADN information is the overlay area of LADN, the overlay area without being non-LADN.

In a kind of possible design, for mobile management function to ps domain entity in paging domain call terminal, paging domain is eventually The overlapping region of the overlay area of the registration area and LADN at end.This method, mobile management function to ps domain are directly sought in paging domain Terminal is exhaled, is due to paging domain within the overlay area positioned at LADN, when terminal is in the paging domain, is then moved Property management function entity can be with successful page to terminal, LADN may be that the terminal provides service at this time, at this point, call terminal Initiating business request, being can be successful；In another situation, if terminal is not in paging domain, mobile management function to ps domain entity Not call terminal can save the energy consumption of terminal and network side equipment, because terminal is not in paging domain, it is meant that LADN without Method provides service for terminal, if at this time terminal originating service request be cannot be successful.

In a kind of possible design, if mobile management function to ps domain entity determines the registration area of terminal according to LADN information Not be overlapped with the overlay area of LADN, then mobile management function to ps domain entity announcement session management function entity terminal is not in LADN Overlay area.When the registration area of terminal and the overlay area of LADN be not be overlapped, then mean that LADN cannot mention for terminal For service, mobile management function to ps domain entity not call terminal, can save the energy consumption of terminal and network side equipment at this time.

Second aspect, the application provide a kind of paging method, comprising: conversation management functional entity receives notification message, leads to Know that message is used to indicate the downlink data arrival of the session of terminal, the session is the meeting of local area data network LADN Words；If the registration area of terminal has overlapping, conversation management functional entity instruction mobile management function with the overlay area of LADN It can entity call terminal.This method, when conversation management functional receives the notification message of downlink data arrival, only true When the registration area for determining terminal has overlapping with the overlay area of LADN, just indicates mobile management function to ps domain entity call terminal, mention The high success rate of call terminal, avoids terminal from doing invalid service request, the energy for reducing terminal and network side equipment disappears Consumption.

In a kind of possible design, if the registration area of terminal has overlapping, session management with the overlay area of LADN Functional entity indicates mobile management function to ps domain entity call terminal, comprising: the mark information that conversation management functional entity obtains, mark Note information is used to indicate the registration area of terminal and the overlay area of LADN whether have it is overlapping；If identification information is the first label, Then conversation management functional entity indicates that mobile management function to ps domain entity call terminal, the first label are used to indicate the Acceditation Area of terminal Domain has overlapping with the overlay area of LADN.This method, conversation management functional entity is by obtaining mark information, according to mark information Particular content judge whether to indicate mobile management function to ps domain entity call terminal, this method compares rapid and convenient, is conducive to mention High processing rate.

In a kind of possible design, conversation management functional entity obtains the registration area of terminal and the area of coverage of LADN Domain；Conversation management functional entity generates mark information according to the registration area of the terminal of acquisition and the overlay area of LADN.

In a kind of possible design, registration area of the conversation management functional entity from local acquisition terminal, the note of terminal Volume region is to be sent to conversation management functional entity by mobile management function to ps domain entity.This method, by mobile management function to ps domain reality The registration area of terminal is sent to conversation management functional entity by body, and then conversation management functional entity can get end from local The registration area at end.

In a kind of possible design, when conversation management functional entity receives session deactivation request message, Xiang Yidong Property management function entity send instruction information, instruction information be used to indicate the Acceditation Area that mobile management function to ps domain entity determines terminal When domain updates, the registration area updated is sent to conversation management functional entity, is deactivated request and is used to indicate deactivation PDU Session.This method, when mobile management function to ps domain entity determines that the registration area of terminal updates, then by the Acceditation Area of update Domain is sent to conversation management functional entity, then what conversation management functional entity was locally stored is the current registration area of terminal, protects The correctness of conversation management functional entity judgement is demonstrate,proved.

In a kind of possible design, conversation management functional entity receives the terminal that mobile management function to ps domain entity is sent The registration area of update.

In a kind of possible design, if the registration area of terminal has overlapping, session management with the overlay area of LADN Functional entity indicates mobile management function to ps domain entity call terminal, comprising: the Acceditation Area of conversation management functional entity acquisition terminal The overlay area in domain and LADN；If conversation management functional entity determines that the registration area of terminal and the overlay area of LADN have weight Folded, then conversation management functional entity indicates mobile management function to ps domain entity call terminal.This method, conversation management functional entity exist When needing to judge whether to indicate mobile management function to ps domain entity call terminal, directly according to the registration area of terminal got with The overlay area of LADN judges whether there is overlapping, and then determines whether mobile management function to ps domain entity call terminal.

In a kind of possible design, registration area of the conversation management functional entity from local acquisition terminal；Or, from movement Property management function entity obtain terminal registration area.

In a kind of possible design, conversation management functional entity obtains the overlay area of LADN from local；Or, from strategy The overlay area of control function entity acquisition LADN.

In a kind of possible design, conversation management functional entity indicates mobile management function to ps domain entity call terminal, packet Include: conversation management functional entity sends paging domain to mobile management function to ps domain entity, and paging domain is used for mobile management function For energy entity in paging domain call terminal, paging domain is the overlapping region of the registration area of terminal and the overlay area of LADN. This method, mobile management function to ps domain entity is directly in paging domain call terminal, since paging domain is the covering positioned at LADN Within region, therefore when terminal is in the paging domain, then mobile management function to ps domain entity can be with successful page to terminal, this When LADN may be the terminal provide service, at this point, call terminal initiating business request, being can be successful；Another situation In, if terminal, not in paging domain, mobile management function to ps domain entity not call terminal can save terminal and network side equipment Energy consumption, because terminal is not in paging domain, it is meant that LADN can not provide service for terminal, if terminal originating service at this time Request is cannot be successful.

In a kind of possible design, conversation management functional entity receives the label letter from mobile management function to ps domain entity Breath, mark information are by mobile management function to ps domain entity to determine that the registration area of terminal updates, and updated terminal What the positional relationship of the overlay area of registration area and LADN was sent when changing, positional relationship is to have overlapping or without weight It is folded.This method generates mark information by mobile management function to ps domain entity, is then forwarded to conversation management functional entity.

In a kind of possible design, if the registration area of terminal and the overlay area of LADN be not be overlapped, session pipe It manages functional entity notice user plane functions entity and abandons downlink data.When the registration area of terminal and the overlay area of LADN do not have Overlapping, then mean that LADN cannot provide service for terminal, conversation management functional entity does not notify mobile management function to ps domain at this time Entity call terminal can save the energy consumption of terminal and network side equipment.

The third aspect, the application provide a kind of mobile management function to ps domain entity, which has real The function of mobile management function to ps domain entity in the embodiment of existing above-mentioned first aspect.The function can be by hardware realization, can also To execute corresponding software realization by hardware.The hardware or software include one or more moulds corresponding with above-mentioned function Block.

Fourth aspect, the application provide a kind of mobile management function to ps domain entity, comprising: processor, memory, bus and logical Believe interface；The memory is stored with computer executed instructions, which is connect with the memory by the bus, when the movement Property management function entity operation when, the processor execute the memory storage the computer executed instructions so that the mobility Management function entity executes the paging method such as above-mentioned first aspect any one.

5th aspect, the application provide a kind of conversation management functional entity, which, which has, realizes State the function of conversation management functional entity in the embodiment of second aspect.The function can also be passed through by hardware realization Hardware executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.

6th aspect, the application provide a kind of conversation management functional entity, comprising: processor, memory, bus and communication Interface；The memory is stored with computer executed instructions, which is connect with the memory by the bus, when the session pipe When managing functional entity operation, which executes the computer executed instructions of memory storage, so that the session management function Energy entity executes the paging method such as above-mentioned second aspect any one.

7th aspect, the application provides a kind of system, including the movement in above method embodiment or in Installation practice Property management function entity and conversation management functional entity.

Eighth aspect, this application provides a kind of computer storage mediums, for being stored as above-mentioned mobile management function to ps domain Computer software instructions used in entity, it includes be journey designed by mobile management function to ps domain entity for executing above-mentioned aspect Sequence.

9th aspect, this application provides a kind of computer storage mediums, real for being stored as above-mentioned conversation management functional Computer software instructions used in body, it includes be program designed by conversation management functional entity for executing above-mentioned aspect.

Tenth aspect, this application provides a kind of computer program products.The computer program product includes that computer is soft Part instruction, the paging which can be loaded by processor to realize any one of above-mentioned first aspect Process in method.

Tenth on the one hand, and this application provides a kind of computer program products.The computer program product includes computer Software instruction, the computer software instructions can be loaded to realize seeking for any one of above-mentioned second aspect by processor Process in call method.

12nd aspect, the application provide a kind of chip, and the chip is connected with memory, described for reading and executing The software program stored in memory, to realize any one in above-mentioned first aspect and the various possible designs of first aspect Paging method.

13rd aspect, the application provide a kind of chip, and the chip is connected with memory, described for reading and executing The software program stored in memory, to realize any one in above-mentioned second aspect and the various possible designs of second aspect Paging method.

In addition, third aspect technical effect brought by any design method into the 13rd aspect can be found in first party Technical effect brought by different designs mode in face, details are not described herein again.

The aspects of the invention or other aspects can more straightforwards in the following description.

Detailed description of the invention

Fig. 1 is the registration area relation schematic diagram of LADN provided by the present application and terminal；

Fig. 2 is the registration area relation schematic diagram of LADN provided by the present application and terminal；

Fig. 3 is a kind of possible network architecture schematic diagram provided by the present application；

Fig. 4 is alternatively possible network architecture schematic diagram provided by the present application；

Fig. 5 is a kind of paging method flow chart provided by the present application；

Fig. 6 is another paging method schematic diagram provided by the present application；

Fig. 7 is the process schematic that terminal provided by the present application is switched to Idle state by connected state；

Fig. 8 is terminal registration process schematic diagram provided by the present application；

Fig. 9 is schematic device provided by the present application；

Figure 10 is mobile management function to ps domain entity schematic diagram provided by the present application；

Figure 11 is conversation management functional entity schematic diagram provided by the present application.

Specific embodiment

Below in conjunction with the attached drawing in the application, the technical solution in the application is described.In embodiment of the method Concrete operation method also can be applied in Installation practice or system embodiment.Wherein, in the description of the present application, unless separately It is described, the meaning of " plurality " is two or more.

Framework and business scenario described herein are the technical solutions in order to more clearly illustrate the application, not Constitute restriction for technical solution provided by the present application, those of ordinary skill in the art it is found that with the network architecture differentiation With the appearance of new business scene, technical solution provided by the present application is equally applicable for similar technical problem.

Currently, 5G net definitions LADN, and there are certain regions by LADN, only when terminal is in the overlay area of LADN It is interior, the service of LADN offer could be provided.

It is the registration area relation schematic diagram of LADN provided by the present application and terminal, the current Acceditation Area of terminal with reference to Fig. 1 Domain indicates that the overlay area of LADN is indicated with B with A, and the two has overlapping, and overlapping region is indicated with C, when terminal is in registration area A And not in overlapping region C, then terminal is not under the covering of LADN, at this point, LADN cannot provide service for terminal；Work as terminal When positioned at overlapping region C, terminal is under the covering of LADN, at this point, LADN can provide service for terminal.

As a kind of implementation, LADN be can be by tracking area list (tracking area list, TA List) structure At, each TA List includes one or more TA, and each TA is made of one or more cells, and using TA as minimum unit, It is made of that is, LADN can regard as one or more TA, for example, LADN B shown in FIG. 1 includes { TA1, TA2 }, wherein TA1 Including { cell 1, cell 2 }, TA2 includes { cell 3, cell 4 }.As another implementation, LADN be can be by TA List It constitutes, each TA List includes one or more TA, and each TA is made of one or more cells, and using cell as minimum Unit, either, LADN can be directly made of one or more cells, and cell is as minimum unit, for example, shown in FIG. 1 LADN B includes { cell 1, cell 2, cell 3, cell 4 }.

As a kind of implementation, registration area can be to be made of TA List, and each TA List includes one or more A TA, each TA are made of one or more cells, and using TA as minimum unit, that is, registration area can be regarded as by one Or multiple TA are constituted, and for example, registration area A shown in FIG. 1 includes { TA2, TA3 }, wherein TA2 includes { cell 3, cell 4 }, TA3 includes { cell 5 }.As another implementation, registration area can be to be made of TA List, and each TA List includes One or more TA, each TA are made of one or more cells, and using cell as minimum unit, either, registration area It can be directly made of one or more cells, cell is as minimum unit, for example, registration area A shown in FIG. 1 includes { small Area 3, cell 4, cell 5 }.

To, as a kind of implementation, when LADN and the registration area of terminal using TA as minimum unit when, then may be used Whether to include identical TA according to the registration area of LADN and terminal, to judge whether the two has overlapping region, for example, on It states in example, LADN B includes { TA1, TA2 }, and registration area A includes { TA2, TA3 }, therefore, the overlapping region of the two are as follows: TA2, when terminal is located at TA2, then LADN B can provide service for terminal, and when terminal is located at TA3, then LADN B cannot be Terminal provides service.

As another implementation, when LADN and the registration area of terminal using cell as minimum unit when, then may be used Whether to include identical cell according to the registration area of LADN and terminal, to judge whether the two has overlapping region, for example, In above-mentioned example, LADN B includes { cell 1, cell 2, cell 3, cell 4 }, and registration area A includes { cell 3, cell 4, cell 5 }, the overlapping region of the two are as follows: cell 3 and cell 4.Therefore, in conjunction with Fig. 1, when terminal is located at cell 3 or cell 4, then LADN B can provide service for terminal, and when terminal is located at cell 5, then LADN B cannot provide service for terminal.

For terminal when registration accesses network, the mobile management function to ps domain entity of core net can give terminal distribution registration area, Since the position of terminal can move, it is that terminal redistributes Acceditation Area that the movement of terminal, which may cause mobile management function to ps domain entity, Simultaneously it is handed down to terminal in domain.

It with reference to Fig. 2, is the registration area relation schematic diagram of another kind LADN and terminal provided by the present application, terminal is currently Registration area is registration area 1, and due to the movement of terminal, when terminal removes registration area 1, terminal can initiate register flow path, For example, when terminal is in position 1, the registration area of terminal is registration area 1, if terminal is moved to position 2, since terminal removes Registration area 1, terminal initiate register flow path, and mobile management function to ps domain entity is that terminal redistributes registration area 2.Compare again Such as, if terminal is moved to position 3 by position 1, mobile management function to ps domain entity is that terminal redistributes registration area 3.

In the figure 2 example, the registration area 1 Yu LADN of terminal have overlapping region, therefore, when terminal is located at registration When region 1 and the overlapping region of LADN, LADN can provide service for terminal.But if the registration area of terminal becomes Change, for example be updated to registration area 3, since registration area 3 and LADN do not have overlapping region, at this point, LADN cannot mention for terminal For service.

Further, for the terminal in Idle state, when terminal moves in registration area, network side does not perceive end Specific position is held, i.e. network side only knows the registration area where terminal, in this case it is not apparent that the specific cell where terminal.To scheme For 1, if registration area A includes { cell 3, cell 4, cell 5 }, when the terminal of Idle state moves in registration area A, than Such as be moved to cell 5 from cell 3, or be moved to cell 4 etc. from cell 3, network side only know terminal in registration area A, but It is not aware that terminal is in cell 3, in cell 4, or in cell 5.

Further, for the terminal in connected state, when terminal moves in registration area, then network side can be felt Know the specific position of terminal, that is, can determine that terminal in which cell.And the terminal for connected state, it can be between LADN One or more PDU session is established, and PDU session can there are many states, for example including activated state, deactivated state etc..

Currently, in long term evolution (long term evolution, LTE) network, when LADN has downlink data, under Row data arrive first at user plane functions entity, if user plane functions entity has available tunnel, show user plane functions entity It can be communicated by the PDU session of activation with the terminal of connected state, therefore can directly pass through PDU session, downlink data is sent out It send to terminal；If user plane functions entity does not have available tunnel, there are two types of situation, a kind of situation is that terminal is in connected state, But the corresponding PDU session of the downlink data is in deactivated state, at this time user plane functions entity can not by PDU session will under Row data are sent to terminal；Another situation is that terminal is in Idle state, i.e., all PDU sessions all in deactivated state, this When, downlink data also can not be sent to terminal by PDU session by user plane functions entity, regardless of situation, user face Functional entity can all send a notification message to conversation management functional entity, and announcement session management function entity has downlink data to arrive It reaches, after the notified message of conversation management functional entity, notifies mobile management function to ps domain entity call terminal, terminal receives shifting After the paging of mobility management functional entity, initiating business request process initiates the process for establishing PDU session, then terminal is logical Cross the downlink data that the PDU session established receives LADN.

Main problem existing for above-mentioned technical proposal is: the registration area that terminal is currently located is possible to not weigh with LADN It is folded, cause LADN that cannot provide service for terminal, therefore, even if mobile management function to ps domain entity call terminal, terminal initiates industry Business request process, conversation management functional entity can also refuse the service request of terminal after receiving service request.The process meeting Cause the unnecessary energy consumption of terminal and the unnecessary process consumption of network.

To solve the above problems, the application provides a kind of paging method, mobile management function to ps domain entity, which receives, comes from session The notification message of management function entity, the downlink data that notification message is used to indicate the session of terminal reach, and the session is The session of local area data network LADN, notification message include LADN information；If mobile management function to ps domain entity is according to LADN It is overlapping that information determines that the registration area of terminal has with the overlay area of LADN, then mobile management function to ps domain entity pages the terminal. This method first judges the Acceditation Area of terminal when mobile management function to ps domain entity receives the notification information of downlink data arrival It is overlapping whether domain has with the overlay area of LADN, and the ability call terminal when there is overlapping improves the success rate of call terminal, avoids Terminal does invalid service request, reduces the energy consumption of terminal and network side equipment.

With reference to the accompanying drawing, paging method provided by the present application is illustrated.

As shown in figure 3, being a kind of possible network architecture schematic diagram provided by the present application, which includes mobile management Functional entity and conversation management functional entity.

Mobile management function to ps domain entity is mainly responsible for access-in management and the mobile management of terminal, in practical applications, It include the inner mobile management of mobile management entity in LTE network frame (mobility management entity, MME) Function, and joined access management function.The major function for the mobile management function to ps domain entity being related in the application is to be responsible for For terminal distribution registration area (registration area, RA) and the registration area of management terminal, and, it is also responsible for paging Terminal, so that terminal originating service request process.In 5G, mobile management function to ps domain entity is AMF entity.

Conversation management functional entity is mainly responsible for session management, such as the session establishment of terminal, such as when session management function When the message that the notice that energy entity receives user plane functions entity has downlink data to reach, mobile management function to ps domain reality can be indicated Body call terminal receives downlink data by terminal originating service request process.In 5G, conversation management functional entity is SMF real Body.

Such as Fig. 4, to apply for the alternatively possible network architecture schematic diagram provided, which is shown in Fig. 3 On the basis of framework, increase LADN, user plane functions entity, Radio Access Network (radio access network, RAN) and Terminal.

Wherein, user entity is the functional entity in user face, is mainly responsible for connection external network, such as the LADN in Fig. 4, That includes the gateway of LTE (serving gateway, SGW) and public data network (public data network, PDN) the correlation function of gateway (PDN-GW).In 5G, user entity is UPF entity.

LADN is responsible for terminal and provides service, and for example terminal provides function of surfing the Net, SMS function etc..RAN is mainly provided Terminal is linked into the function of core net, for example, RAN may include base station etc..Terminal and RAN, mobile management function to ps domain entity it Between pass through radio open communicate.

The application, terminal are a kind of equipment with radio transmission-receiving function, can be deployed in land, including indoor or room Outside, hand-held or vehicle-mounted；(such as steamer) can also be deployed on the water surface；It can also dispose and (such as aircraft, balloon and defend in the sky On star etc.).The terminal can be mobile phone (mobile phone), tablet computer (pad), the computer with radio transmission-receiving function, Virtual reality (virtual reality, VR) terminal, augmented reality (augmented reality, AR) terminal, Industry Control Wireless terminal in (industrial control), the wireless terminal in unmanned (self driving), tele-medicine The wireless terminal in wireless terminal, smart grid (smart grid), transportation safety in (remote medical) The wireless terminal in wireless terminal, smart city (smart city) in (transportation safety), wisdom family Wireless terminal etc. in (smart home).

In 5G, policy control functions entity is policy control functions (policy control function, PCF) real Body.

For the application with mobile management function to ps domain entity for AMF entity, conversation management functional entity is SMF entity, user face Functional entity be UPF entity, policy control functions entity be PCF entity for, application scheme is introduced, it is subsequent no longer In addition illustrate.

Below based on Fig. 3 or framework shown in Fig. 4, specific introduction is done to paging method provided by the present application.

It is a kind of paging method flow chart provided by the present application with reference to Fig. 5, comprising:

Step 501, UPF entity receives downlink data.

The downlink data that UPF entity receives comes from LADN, and UPF entity judges whether there is downlink N3 tunnel information, if There is N3 tunnel information, shows that the downlink data can be sent to terminal by the PDU session of terminal, terminal is in connected state at this time； If there is no N3 tunnel information, show that downlink data can not be sent to terminal by the PDU session of terminal, terminal is in sky at this time Not busy state or terminal are in connected state but the corresponding PDU session of the downlink data is in deactivated state, therefore, it is impossible to pass through PDU Downlink data is sent to terminal by session.

Wherein, the tunnel N3 refers to the tunnel between RAN equipment (such as base station) and the UPF entity being connected with RAN equipment, described The tunnel N3 is used for transmission the uplink and downlink business datum between terminal and data network (LADN in such as the application).

Step 502, UPF entity sends downlink data notification message to SMF entity, and SMF entity is received from UPF entity Downlink notification message.

When the determination of UPF entity cannot send downlink data to terminal by PDU session, then one is sent to SMF entity Downlink data notification message, for notifying SMF entity to have downlink data arrival.Optionally, include in downlink data notification message PDU session identification.

SMF entity can determine after receiving the downlink data notification message according to the PDU session identification wherein carried The PDU session is a LADN session, and can determine the mark of the corresponding terminal of PDU session identification, that is, be can determine down Which terminal is row data be for.Certainly, if in downlink data notification message not including PDU session identification, can also lead to Cross the mark that other modes know terminal, for example, in downlink data notification message carried terminal mark etc..

Step 503, SMF entity sends response message to UPF entity, and UPF entity receives the response from SMF entity and disappears Breath.

SMF entity sends response message for informing UPF entity to UPF entity, and confirmation receives downlink data notification and disappears Breath.

501~step 503 through the above steps, SMF entity can learn downlink data arrival, and the downlink data Currently terminal cannot be sent to by PDU session.It should be noted that above-mentioned steps 501~503 are optional step, i.e. SMF Entity can also learn downlink data arrival by other means, and the downlink data cannot currently be sent by PDU session To terminal, for example, it may be notifying the SMF entity etc. by other SMF entities, the application is not construed as limiting this.

Step 504, SMF entity send a notification message to AMF entity, and AMF entity receives the notice from SMF entity and disappears Breath.

The downlink data that the notification message is used to indicate the session of terminal reaches, and the session is local area data net The session of network LADN, and further include LADN information in notification message.That is, notification message has in LADN for informing AMF entity The downlink data of PDU session reaches.

Optionally, which, which can also be, issues by other means to AMF entity, for example, by one other Message is sent to AMF entity.

As a kind of implementation, which includes the overlay area of LADN.Optionally, further include in LADN information LADN mark, which is used to indicate the type of the LADN, i.e. LADN mark includes in the LADN information for showing Overlay area be LADN overlay area, rather than the overlay area of other DN.Certainly, if made an appointment, as long as receiving It then must be the overlay area of LADN to the information about overlay area, then there is no need to carry in LADN information Therefore, in LADN information whether LADN mark needs to carry LADN mark, can be depending on practical implementation.Regardless of with what Kind mode, may make AMF entity to obtain the overlay area of a LADN.

As another implementation, which carries data network title (data network name, DNN), The DNN can determine that the corresponding DN of the DNN is a LADN according to the DNN for identifying LADN；Alternatively, LADN packet DNN and LADN mark is included, which cannot judge whether the DNN is LADN according to the DNN for identifying a DN, therefore, Need to indicate that the corresponding DN of the DNN is a LADN by LADN mark, i.e. LAND mark is corresponding for identifying the DNN The type of data network (data netword, DN) is LADN.No matter AMF entity in which way, may make to obtain one The DNN of LADN.

It is overlapping that step 505, AMF entity judge whether the registration area of terminal has with the overlay area of LADN, if there is overlapping, Step 508 is executed, if not being overlapped, executes step 506.

For the registration area of terminal, due to being that AMF entity distributes, AMF entity can get terminal from local Registration area.

For the overlay area of LADN, there are many acquisition modes, for example, in one implementation, if above-mentioned steps 504 In LADN information include LADN overlay area, alternatively, including LADN overlay area and LADN mark, then AMF entity is straight The overlay area that LADN is obtained from LADN information is connect, i.e. the overlay area of LADN is sent to after being got by SMF entity AMF entity.Wherein, SMF entity can be from the local overlay area for getting LADN, be also possible to obtain from PCF entity It arrives, it is of course also possible to be to be got from other entities, the application is with no restrictions.

In another implementation, if the LADN information in above-mentioned steps 504 includes DNN, alternatively, LADN information includes DNN and LADN mark, thus, the available DNN to a LADN of AMF entity, further, AMF entity can basis DNN gets the overlay area of LADN, for example, AMF entity gets covering for LADN corresponding with DNN according to DNN, from local Cover area, for another example, AMF entity send request message to PCF entity, include DNN in request message, the request message is for asking The overlay area for obtaining LADN is asked, after PCF entity receives request message, obtains DNN therein, then according to DNN from local The overlay area of the corresponding LADN of the DNN is obtained, and is carried in response message and is sent to AMF entity.

Step 506, AMF entity sends response message to SMF entity, and SMF entity receives the response from AMF entity and disappears Breath.

Wherein, response message is for notifying SMF entity, and the terminal not in the overlay area of LADN, i.e. do not page by AMF entity Terminal.

Step 507, SMF entity notice UPF entity abandons the downlink data of caching.

It should be noted that above-mentioned steps 506 and step 507 are optionally step, for example, step can be only carried out 506, step 506 and step 507 can also be executed, can also not executed.When executing step 506 and step 507, can make UPF entity abandons the downlink data that cannot be sent to terminal, can save memory space.

So far, process terminates.

Step 508, AMF entity call terminal.

After AMF entity call terminal, terminal starts initiating business request process, establishes PDU session, further, UPF Downlink data is sent to terminal by the PDU session established by entity.Wherein, the process of AMF entity call terminal is existing skill Art, the application do not do expansion explanation, and particular content can refer to pertinent literature record.

So far, process terminates.

The application, 504, step 505 and step 508, AMF entity receive downlink data arrival through the above steps When notification information, it is overlapping first to judge whether the registration area of terminal has with the overlay area of LADN, just paging is whole when there is overlapping End, improves the success rate of call terminal, terminal is avoided to do invalid service request, reduce the energy of terminal and network side equipment Amount consumption.

The application, 504~step 507, AMF entity receive the notification information of downlink data arrival through the above steps When, it is overlapping first to judge whether the registration area of terminal has with the overlay area of LADN, the not call terminal when not being overlapped avoids Terminal does invalid service request, reduces the energy consumption of terminal and network side equipment.

As an example, if terminal is currently located at registration area 3, AMF entity is in the notice for receiving SMF entity with reference to Fig. 2 After message, determine that the registration area 3 of terminal and the overlay area of LADN be not be overlapped, therefore AMF entity is not paged, to save The expense of terminal and network side, because even call terminal, since LADN cannot provide service for terminal, SS later Service request process also still will fail.

For another example, if terminal is currently located at registration area 2, AMF entity is after the notification message for receiving SMF entity, really Determine the registration area 3 of terminal and there is overlapping, therefore AMF entity call terminal in the overlay area of LADN.But it should be recognized that After AMF entity call terminal, the service request process of terminal is also possible to failure, for example, when terminal be located at registration area 2 but The overlapping region of registration area 2 and the overlay area of LADN it is not located at, the service request process of terminal also will fail at this time, only When terminal is located at the overlapping region of registration area 2 and the overlay area of LADN, the service request process of terminal can just succeed.It should Embodiment, while it is not guaranteed that AMF entity, after call terminal, the service request process of terminal can succeed, but compared to more existing It is not call terminal at least in the registration area of terminal and the not be overlapped overlay area of LADN, therefore should for technology Compared to the prior art, the success rate of paging can be improved in embodiment.

As another implementation, to further increase paging success rate and reducing the energy consumption of terminal, the application, In above-mentioned steps 508, AMF entity, can be in paging domain call terminal, wherein paging domain is terminal in call terminal Registration area and LADN overlay area overlapping region.Therefore, if terminal is in paging domain, AMF entity can be with Successful page is to terminal, and the service request process of SS later can also succeed；If terminal not in paging domain, AMF entity not call terminal, thus reduce the energy consumption of terminal, because under the situation, even if call terminal, after terminal Continuous service request process also will fail.For example, referring to fig. 2, terminal is located at registration area 2, and AMF entity only can be at this time The overlapping region call terminal of registration area 2 and LADN, if terminal can page terminal just in the paging domain, if eventually End is not in the paging domain, then the paging of AMF entity is less than terminal, because without triggering following terminal originating service request process, The energy consumption of terminal is saved.

Further, may be replaced by above-mentioned steps 505: when terminal is in Idle state, AMF entity judges terminal Registration area whether have with the overlay area of LADN it is overlapping；When terminal is in connected state, AMF entity judges the covering of LADN Whether region includes cell where terminal.

That is, AMF entity can only get the registration area where terminal when terminal is in Idle state, in this case it is not apparent that eventually TA or cell where end is specific, therefore to judge whether the registration area of terminal has with the overlay area of LADN overlapping for AMF entity. When terminal is in connected state, due to the available cell to terminal where specific of AMF entity, more accurate position is obtained, Therefore, AMF entity judges whether the overlay area of LADN includes cell where terminal.Since the granularity of cell is smaller, when When the overlay area of LADN includes the cell where terminal, indicate that the terminal is in the overlay area of the LADN, paging at this time is eventually End, the registration request process of terminal can succeed；When cell where the overlay area of LADN does not include terminal, the end is indicated End is not in the overlay area of the LADN, and not call terminal, reduces the energy consumption of terminal and network side at this time.The embodiment, at terminal When different conditions, judged using different methods, can further improve the success rate of call terminal, be further reduced end The energy consumption at end.

With reference to Fig. 6, for another paging method schematic diagram provided by the present application, the master with paging method shown in fig. 5 Distinguish are as follows: embodiment shown in fig. 6 be judged whether by SMF entity initiating terminal page, and embodiment shown in fig. 5 be by AMF entity judges whether that initiating terminal is paged.Process shown in fig. 6 may be based on Fig. 3 or framework shown in Fig. 4, lower mask body Explanation.

Step 601~step 603, it is identical as step 501~step 503 in process shown in fig. 5, it can refer to aforementioned retouch It states.

601~step 603 through the above steps, SMF entity can learn downlink data arrival, and the downlink data Currently terminal cannot be sent to by PDU session.But it should be recognized that above-mentioned steps 601~603 are optional step, i.e., SMF entity can also learn downlink data arrival by other means, and the downlink data cannot currently pass through PDU session It is sent to terminal, for example, it may be notifying the SMF entity etc. by other SMF entities, the application is not construed as limiting this.

Step 604, SMF entity judges whether to initiate call terminal, however, it is determined that paging thens follow the steps 606, however, it is determined that no Paging, thens follow the steps 605.

Wherein, when the registration area of terminal has overlapping with the overlay area of the LADN, then terminal initiating terminal is paged, When the registration area of terminal and the not be overlapped overlay area of LADN, then terminal not page by initiating terminal.

Step 605, SMF entity notifies UPF entity, abandons the downlink data of caching.

It should be noted that the step 605 is that optionally step can be such that UPF entity abandons not when executing step 605 It can be sent to the downlink data of terminal, memory space can be saved.

So far, process terminates.

Step 606, SMF entity sends a notification message to AMF entity, and AMF entity receives the notice from SMF entity and disappears Breath.The notification message is used to indicate AMF entity call terminal.

Step 607, AMF entity call terminal.

So far, process terminates.

The application, 602, step 604, step 606 and step 607, SMF entity have received lower line number through the above steps According to the notification message of arrival, only when the registration area for determining terminal has overlapping with the overlay area of LADN, just indicate that AMF is real Body call terminal improves the success rate of call terminal, avoids terminal from doing invalid service request, reduces terminal and network side The energy consumption of equipment.

The application, 602, step 604 step 605, SMF entity receive the logical of downlink data arrival through the above steps Know message, when the registration area and the not be overlapped overlay area of LADN for determining terminal, does not then indicate the paging of AMF entity eventually End, avoids terminal from doing invalid service request, reduces the energy consumption of terminal and network side equipment.

For above-mentioned steps 604, SMF entity judges whether to initiate call terminal there are many implementation, and the application combines Attached drawing introduces two kinds of concrete methods of realizing.But it should be recognized that the application is not limited to the two methods, it can also be other Method.

Method one passes through identification information judgment.

SMF entity obtains mark information, which is used to indicate the registration area of terminal and the overlay area of LADN Whether overlapping is had, if identification information is the first label, SMF entity indicates AMF entity call terminal, if mark information is second Label, then SMF entity does not indicate that AMF entity call terminal, the first label are used to indicate the registration area of terminal and covering for LADN Cover area has overlapping, and second marks the registration area for being used to indicate terminal and the overlay area of LADN not be overlapped.

For example, mark information can be a marker bit, value is " 0 " or " 1 ", when mark information value is " 1 ", table The registration area for showing terminal has overlapping with the overlay area of LADN, and here, " 1 " is properly termed as the first label；When mark information takes When value is " 0 ", the registration area and the overlay area of LADN for indicating terminal be not be overlapped, and here, " 0 " is properly termed as the second mark Note.It is of course also possible to be " 0 " indicate terminal registration area have with the overlay area of LADN it is overlapping, " 1 " indicate terminal registration Region and the overlay area of LADN be not be overlapped, and the application is without limitation.

It is of course also possible to be other way to indicate mark information, for example, an arbitrary positive number indicates the first mark Note, arbitrary label of negative number representation second, etc..The mark information that two states can arbitrarily be distinguished, can apply In this application.

In this method one, SMF entity can determine whether by obtaining mark information according to the value of mark information Need to indicate AMF entity call terminal, rapidly and efficiently.

Wherein, the source of mark information can have following implementations:

Implementation one, SMF entity generate mark information and are stored in local.

SMF entity obtains the registration area of terminal and the overlay area of LADN, and the registration area of the terminal according to acquisition And the overlay area of LADN, mark information is generated, and be stored in local.Therefore when SMF entity is needed using mark information, It can be from local acquisition.

For the overlay area for generating LADN used in mark information, can be by SMF entity from local acquisition, it can also To be to be obtained by SMF entity from PCF entity.

For the registration area for generating terminal used in mark information, can be by SMF entity from local acquisition, and The registration area for the terminal that SMF entity is locally stored is reported by AMF entity, for example, in one implementation, SMF is real Body can subscribe to the registration area of terminal to AMF entity, when AMF entity determines that the registration area of terminal updates, then to SMF entity sends the registration area of the terminal updated, so that SMF entity locally saved is the newest Acceditation Area of terminal always Domain, in other words, what SMF entity locally saved is the registration area that terminal is currently located always.

With reference to the accompanying drawing 7 and attached drawing 8 come illustrate SMF entity to AMF entity subscribe to terminal registration area a kind of reality Existing mode.

With reference to Fig. 7, switch to the process schematic of Idle state by connected state for terminal provided by the present application, SMF entity can be The registration area of terminal is subscribed to during this to AMF entity.

Step 701, terminal or AMF entity initiate to deactivate request.

For example, the step 701 can be with if being initiated to deactivate request by terminal are as follows: terminal sends to AMF entity and deactivates Request message；If being initiated to deactivate request by AMF entity, which can be with are as follows: AMF entity, which determines, to be needed to initiate to deactivate Request living.

Step 702, AMF entity sends to SMF entity and deactivates request message.

For example, the deactivation request message, which can be PDU session, deactivates request message, it is used to indicate and deactivates PDU meeting Words.

Step 703, SMF entity sends session modification request message to UPF entity, and UPF entity is received from SMF entity Session modification request message.

It after UPF entity receives the session modification request message, executes and removes tunnel, open the operation such as caching.

Step 704, UPF entity sends response message to SMF entity, and SMF entity receives the response from UPF entity and disappears Breath.

The response message opens the operation such as caching for notifying UPF entity that removal tunnel has been completed.

Step 705, SMF entity determines the registration area for needing to notify AMF entity reporting terminal.

For example, when SMF determines that PDU session is the session of LADN, it is determined that need to notify the note of AMF entity reporting terminal Volume region, can be generated instruction information at this time, and instruction information is used to indicate AMF entity and occurs more in the registration area for determining terminal When new, the registration area of the terminal updated is sent to SMF entity.

Step 706, SMF entity is sent to AMF entity deactivates response message, and the reception of AMF entity is gone from SMF entity Activate response message.

It include above-mentioned instruction information in the deactivation response message.

Step 707, AMF entity discharges resource, and terminal enters Idle state.

701~step 707 of above-mentioned steps enters the normal flow of Idle state for terminal from connected state, and the application is in the stream Cheng Zhong sends an instruction information to AMF entity, for subscribing to the Acceditation Area of terminal by SMF entity through the above steps 706 Domain sends the registration of the terminal updated to SMF entity that is, whenever AMF entity is when the registration area for determining terminal is updated Region.

It should be noted that above-mentioned only by taking terminal enters Idle state from connected state as an example, exemplary to introduce a kind of SMF real The method that body subscribes to the registration area of terminal to AMF entity when practical application, can also be when terminal is in connected state, go It also can also be certainly during activating some PDU session from SMF entity to the registration area that AMF entity subscribes to terminal It is other during from SMF entity to AMF entity subscribe to terminal registration areas, the application to this with no restriction.

As shown in figure 8, being terminal registration process schematic diagram provided by the present application, such as when terminal is in Idle state, eventually The movement at end may triggering terminal register flow path so that AMF entity is that terminal redistributes registration area, and During being somebody's turn to do, AMF entity reports the registration area of the terminal of update to SMF entity, is specifically described below.

Step 801, terminal sends login request message to RAN, and RAN receives the login request message for carrying out self terminal.

For terminal due to the movement of position, triggering terminal initiates register flow path, therefore sends login request message to RAN, uses Network is registered in request.For example, the RAN can be base station etc..

Step 802, RAN selects an AMF entity.

Wherein, which may be the AMF entity that the instruction information from SMF entity is received in Fig. 7, and also having can It can be a new AMF entity.

Step 803, RAN sends login request message to AMF entity, and AMF entity receives the registration request from RAN and disappears Breath.

The login request message is for requesting endpoint to register to network.

Step 804, AMF entity sends information request information to former AMF entity, and former AMF entity sends response to AMF entity Message.

Step 805, former AMF entity sends response message to AMF entity, and AMF entity receives the response from former AMF entity Message.

Wherein, above-mentioned steps 804 and step 805 are optional step, only when the AMF entity of terminal last access with work as It when the AMF entity difference of preceding selection, can just execute, the AMF entity currently selected is to former AMF entity requests contextual information, AMF The contextual information of terminal is carried on the AMF entity for being sent in response message and currently selecting by entity.Also, in the step In 805, it is real to be sent to current AMF for the instruction information from SMF entity that former AMF entity will also receive in Fig. 7 embodiment Body.

Certainly, if the AMF entity of terminal last access is identical as the AMF entity currently selected, the step is not executed 804 and step 805, and the instruction letter that SMF entity is sent in the process of Fig. 7 has been contained in the AMF entity currently selected Breath.

Step 806, AMF entity sends the registration area of terminal to SMF entity according to instruction information.

Here, the registration area for the terminal that AMF entity is sent to SMF entity is newest, that is, whenever terminal is infused When the replacement in volume region, it can all trigger and execute process shown in Fig. 8, then AMF entity can send the current registration area of terminal Give SMF entity, therefore being always maintained at of being locally stored of SMF entity is synchronous with the registration area for the terminal that AMF entity is locally stored, It and is the registration area that terminal is currently located.

Step 807, SMF entity sends response message to AMF entity, and AMF entity receives the response from SMF entity and disappears Breath.

Step 808, other processes are registered.

It should be noted that 801~step 808 of above-mentioned steps is the normal flow that terminal initiates registration, specifically executed Journey can refer to prior art pertinent literature, and the application in this process, increases registration of the AMF entity to SMF entity reporting terminal The operation in region, so that SMF entity can get the registration area of terminal in real time, and then SMF entity can be according to acquisition The overlay area of the terminal arrived current registration area and LADN generates mark information.

Therefore, in the implementation one, SMF can be obtained when generating mark information by Fig. 7 and process shown in Fig. 8 The registration area of terminal is got, and combines the overlay area of LADN, mark information is generated, is stored in local, if also, SMF reality When the mark information of body generation and locally currently stored mark information difference, then SMF entity updates the mark information.

Implementation two, AMF entity generate mark information and are sent to SMF entity.

In the implementation, AMF entity generates label letter according to the overlay area of terminal current registration area and LADN Breath, is sent to SMF entity.

If the registration area of terminal updates, according to the area of coverage of the registration area of updated terminal and LADN Domain regenerates mark information.If also, the new mark information is different from the mark information that AMF is locally stored, that is, after updating The registration area of terminal and the positional relationship of overlay area of LADN change, positional relationship is to have overlapping or without weight Folded, then new mark information is sent to SMF entity by AMF entity, updates the mark information being locally stored by SMF entity.

For example, it is assumed that the currently stored mark information of AMF entity is the first label, the registration area and LADN of terminal are indicated Overlay area have overlapping, if terminal moves, triggering terminal register flow path, AMF entity is the new Acceditation Area of terminal distribution Domain, and according to the overlay area of new registration area and LADN, it determines that mark information is the second label, indicates the current note of terminal Volume region and the overlay area of LADN be not be overlapped, then the mark information that AMF entity reports this new gives SMF entity.If AMF entity According to the overlay area of new registration area and LADN, determines that mark information remains as the first label, then do not report, letter can be saved Enable expense.

The implementation two generates mark information by AMF entity and is reported to SMF entity, and determining mark information When changing, new mark information is just reported to SMF entity.

Method two is judged by the registration area of terminal, the overlay area of LADN.

This method two, SMF entity do not generate mark information, also do not obtain mark information from AMF entity, but are needing When, it is overlapping directly to judge whether the registration area of terminal has with the overlay area of LADN.

That is, when SMF entity needs judge whether to initiate call terminal, SMF entity obtains in step 604 shown in Fig. 6 Take the registration area of terminal and the overlay area of LADN, however, it is determined that the registration area of terminal have with the overlay area of LADN it is overlapping, Then SMF entity indicates AMF entity call terminal, i.e. execution step 606；If it is determined that the registration area of terminal and the area of coverage of LADN Domain is not overlapped, then SMF entity not call terminal, i.e. execution step 605.

Wherein, the overlay area of LADN can be by SMF entity from local acquisition, be also possible to obtain from PCF entity.

Wherein, the registration area of terminal can be through Fig. 7 and method shown in Fig. 8 acquisition, i.e. SMF entity is real from AMF Body subscribes to the registration area of terminal, and SMF entity is sent to when the registration area for determining terminal updates by AMF entity, has Body is referring to foregoing description；The registration area of terminal can also be to be obtained from AMF entity in real time by SMF entity, for example, in Fig. 6 institute Need to use the registration area of terminal in the step 604 for the process shown, then can further execute after step 604: SMF is real Body sends request message to AMF entity, for the registration area of request terminal, then by AMF entity by the registration of terminal Region is sent to SMF entity, to realize when needing to use endpoint to register region, just obtains to AMF entity, can saving signaling Expense.

As another implementation, to further increase paging success rate and reducing the energy consumption of terminal, the application, In above-mentioned steps 607, AMF entity is in paging domain call terminal, wherein paging domain is terminal in call terminal Registration area and LADN overlay area overlapping region, which can be takes in the notification message of step 606 Band, be also possible to individually be sent to AMF entity by other message, therefore, if terminal in paging domain, AMF Entity can be with successful page to terminal, and the service request process of terminal can also succeed at this time；If terminal is not being paged Region, then AMF entity is not paged, thus reduces the energy consumption of terminal, because under the situation, even if call terminal, eventually The service request process at end also will fail.For example, referring to fig. 2, terminal is located at registration area 2, and AMF entity only can be at this time The overlapping region call terminal of registration area 2 and LADN, if terminal can page terminal just in the paging domain, if eventually End is not in the paging domain, then the paging of AMF entity is less than terminal, because without triggering following terminal originating service request process, The energy consumption of terminal is saved.

Further, when above-mentioned steps 604 are realized using the above method two, i.e. step 604 specifically: pass through terminal Registration area, LADN to judge whether the registration area of terminal has with the overlay area of LADN overlapping for overlay area, then at this time should Step 604 may be replaced by: when terminal is in Idle state, SMF entity judges the covering of the registration area and LADN of terminal Whether region has overlapping, when terminal is in connected state, where SMF entity judges whether the overlay area of LADN includes terminal Cell.

That is, SMF entity can only get the registration area where terminal by AMF entity when terminal is in Idle state, The TA or cell being not aware where terminal is specific, therefore SMF entity judges the registration area of terminal and the overlay area of LADN Whether overlapping is had；When terminal is in connected state, since SMF entity can get the specific place of terminal by AMF entity Cell obtains more accurate position, and therefore, SMF entity judges whether the overlay area of LADN includes cell where terminal, by It is smaller in the granularity of cell, when cell where the overlay area of LADN includes terminal, indicate that the terminal is in the LADN's Overlay area, call terminal, the registration request process of terminal can succeed at this time, when the overlay area of LADN does not include terminal institute Cell when, indicate the terminal not in the overlay area of the LADN, then not call terminal at this time reduces terminal and network side Energy consumption.The embodiment is judged using different methods when terminal is in different conditions, can further improve call terminal Success rate, be further reduced the energy consumption of terminal.

It is above-mentioned that mainly scheme provided by the present application is described from the angle of interaction between each network element.It is understood that , above-mentioned SMF entity, AMF entity, in order to realize the above functions, it comprises execute each corresponding hardware configuration of function And/or software module.Those skilled in the art should be readily appreciated that, described in conjunction with the examples disclosed in this document each Exemplary unit and algorithm steps, the present invention can be realized with the combining form of hardware or hardware and computer software.Some Function is executed in a manner of hardware or computer software driving hardware actually, depending on technical solution specific application and set Count constraint condition.Professional technician can use different methods to achieve the described function each specific application, But such implementation should not be considered as beyond the scope of the present invention.

As shown in figure 9, being schematic device provided by the present application, which can be the reality of the SMF in above-described embodiment Body or SMF intracorporal chip in fact are also possible to AMF entity in above-described embodiment or AMF intracorporal chip in fact.

The device 900 includes that at least one processor 91 further includes optionally that memory 93 and at least one communication connect Mouth 94.

Processor 91 can be a general central processor (CPU), microprocessor, application-specific integrated circuit (application-specific integrated circuit, ASIC), or it is one or more for controlling the present invention program The integrated circuit that program executes.

The communication interface 94, using the device of any transceiver one kind, for other equipment or communication, Such as Ethernet, wireless access network (RAN), WLAN (wireless local area networks, WLAN) etc..

Memory 93 can be read-only memory (read-only memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (electrically Erasable programmable read-only memory, EEPROM), CD-ROM (compact disc read- Only memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.

Wherein, the memory 93 be used for store execution the present invention program application code, and by processor 91 Control executes.The processor 91 is for executing the application code stored in the memory 93.

In the concrete realization, as one embodiment, processor 91 may include one or more CPU, such as in Fig. 9 CPU0 and CPU1.

In the concrete realization, as one embodiment, device 900 may include multiple processors, such as the processing in Fig. 9 Device 91 and processor 98.Each of these processors can be monokaryon (single-CPU) processor, be also possible to One multicore (multi-CPU) processor.Here processor can refer to one or more equipment, circuit, and/or for handling The processing core of data (such as computer program instructions).

Illustratively, the SMF entity in Fig. 3 or Fig. 4 can be device shown in Fig. 9, store in the memory of SMF entity One or more software modules.SMF entity can realize software mould by the program code in processor and memory Block realizes paging method described in the application above method embodiment.

Or the AMF entity in Fig. 3 or Fig. 4 can be device shown in Fig. 9, store in the memory of AMF entity One or more software modules.AMF entity can realize software module by the program code in processor and memory, Realize paging method described in the application above method embodiment.

The application can carry out the division of functional module according to above method example to SMF entity or AMF entity, for example, The each functional module of each function division can be corresponded to, two or more functions can also be integrated in a processing mould In block.Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module. It should be noted that being schematical, only a kind of logical function partition to the division of module in the application, in actual implementation There may be another division manner.

For example, Figure 10 shows above-described embodiment in the case where each function division of use correspondence each functional module Involved in a kind of AMF entity, which includes: receiving unit 1001 and processing unit 1002, in which:

Receiving unit 1001, for receiving the notification message from conversation management functional SMF entity, the notification message is used There is the downlink data of the session of terminal to reach in instruction, the session is the session of local area data network LADN, described logical Know that message includes LADN information；

Processing unit 1002, if determining the registration of the terminal according to the LADN information for the processing unit 1002 Region has overlapping with the overlay area of the LADN, then pages the terminal.

In one possible implementation, the LADN information includes data network title DNN, and the DNN is for marking Know local area data network LADN；Alternatively, LADN information includes DNN and LADN mark, LAND indicates for identifying the DNN The type of corresponding DN is LADN；The processing unit 1002, is also used to:

According to the DNN, the overlay area of the LADN is obtained.

In one possible implementation, the LADN information includes the overlay area of the LADN；The LADN's Overlay area is obtained from local acquisition, or by the SMF entity from policy control functions entity by the SMF entity.

In one possible implementation, the processing unit 1002, is specifically used for:

The terminal is paged in paging domain, the paging domain is the registration area of the terminal and covering for the LADN The overlapping region of cover area.

In one possible implementation, the processing unit 1002, is also used to:

If determining that the registration area of the terminal and the overlay area of the LADN be not be overlapped according to the LADN information, Then notify terminal described in the SMF entity not in the overlay area of the LADN.

Wherein, all related contents for each step that above method embodiment is related to can quote the AMF entity The function of 1000 corresponding function modules describes, and details are not described herein.

In the present embodiment, which is presented in the form of each functional module of each function division of correspondence, or Person, the AMF entity are presented in the form of using the integrated each functional module of model split.Here " module " can refer to spy Determine application integrated circuit (application-specific integrated circuit, ASIC), circuit, execute one or The processor and memory of multiple softwares or firmware program, integrated logic circuit and/or other device of above-mentioned function can be provided Part.In a simple embodiment, it is shown in Fig. 9 to be contemplated that AMF entity 1000 can use by those skilled in the art Form.For example, the receiving unit 1001 in Figure 10, processing unit 1002 can pass through the processor 91 of Fig. 9 (and/or processor 98) realized with memory 93, specific receiving unit 1001, processing unit 1002 can by by processor 91 (and/or Reason device 98) it is executed to call the application code stored in memory 93, the application is not intended to be limited in any this.

The application can carry out the division of functional module according to above method example to AMF entity, for example, can correspond to each Two or more functions can also be integrated in a processing module by a each functional module of function division.It is above-mentioned Integrated module both can take the form of hardware realization, can also be realized in the form of software function module.It needs to illustrate , it is schematical, only a kind of logical function partition to the division of module in the application, can has in actual implementation another Outer division mode.

For example, Figure 11 shows above-described embodiment in the case where each function division of use correspondence each functional module Involved in a kind of SMF entity, which includes: that receiving unit 1101, processing unit 1102 optionally also wrap Include transmission unit 1103, in which:

Receiving unit 1101, for receiving notification message, the notification message is used to indicate the downlink of the session of terminal Data reach, and the session is the session of local area data network LADN；

Processing unit 1102 refers to if the registration area for the terminal has overlapping with the overlay area of the LADN Show that the terminal is paged in access and mobile management function to ps domain AMF entity.

In one possible implementation, the processing unit 1102, is specifically used for:

Mark information is obtained, the mark information is used to indicate the registration area of the terminal and the area of coverage of the LADN Whether domain has overlapping；

If the identification information is the first label, indicate that the AMF entity pages the terminal, first label is used It is overlapping in indicating the registration area of the terminal with the overlay area of the LADN and having.

In one possible implementation, the processing unit 1102, is also used to:

Obtain the registration area of the terminal and the overlay area of the LADN；

According to the overlay area of the registration area of the terminal of acquisition and the LADN, the mark information is generated.

In one possible implementation, the processing unit 1102, is also used to:

From the local registration area for obtaining the terminal, the registration area of the terminal is sent to by the AMF entity The SMF entity.

In one possible implementation, the processing unit 1102, is also used to:

When receiving session deactivation request message by the receiving unit 1101, Xiang Suoshu AMF entity sends instruction When information, the instruction information are used to indicate the AMF entity and determine that the registration area of the terminal updates, Xiang Suoshu SMF entity sends the registration area updated, and the deactivation request, which is used to indicate, deactivates PDU session.

In one possible implementation, the receiving unit 1101, is also used to:

Receive the registration area of the update for the terminal that the AMF entity is sent.

If it is determined that the registration area of the terminal has overlapping with the overlay area of the LADN, then the AMF entity is indicated Page the terminal.

In one possible implementation, the processing unit 1102, is also used to:

From the local registration area for obtaining the terminal；Or, being obtained by the receiving unit 1101 from the AMF entity The registration area of the terminal.

In one possible implementation, the processing unit 1102, is also used to:

From the local overlay area for obtaining the LADN；Or, real from policy control functions by the receiving unit 1101 Body obtains the overlay area of the LADN.

In one possible implementation, the transmission unit 1103, is used for:

Paging domain is sent to the AMF entity, the paging domain is sought for the AMF entity in the paging domain The terminal is exhaled, the paging domain is the overlapping region of the registration area of the terminal and the overlay area of the LADN.

In one possible implementation, the receiving unit 1101, is also used to:

Receive the mark information from the AMF entity, the mark information be determined as the AMF entity described in The registration area of terminal updates, and the position of the overlay area of the registration area of the updated terminal and the LADN It is sent when relationship changes, the positional relationship is to have overlapping or be not overlapped.

In one possible implementation, the processing unit 1102, is also used to:

If the registration area of the terminal and the overlay area of the LADN be not be overlapped, user plane functions entity is notified Abandon the downlink data.

Wherein, all related contents for each step that above method embodiment is related to can quote the SMF entity The function of 1100 corresponding function modules describes, and details are not described herein.

In the present embodiment, which is presented in the form of each functional module of each function division of correspondence, or Person, the SMF entity are presented in the form of using the integrated each functional module of model split.Here " module " can refer to spy Determine application integrated circuit (application-specific integrated circuit, ASIC), circuit, execute one or The processor and memory of multiple softwares or firmware program, integrated logic circuit and/or other device of above-mentioned function can be provided Part.In a simple embodiment, it is shown in Fig. 9 to be contemplated that SMF entity 1100 can use by those skilled in the art Form.For example, the receiving unit 1101 in Figure 11, processing unit 1102 and transmission unit 1103 can pass through the processor of Fig. 9 91 (and/or processors 98) and memory 93 are realized, specifically, receiving unit 1101, processing unit 1102 and transmission unit 1103 can be held by calling the application code stored in memory 93 by processor 91 (and/or processor 98) Row, the application are not intended to be limited in any this.

The application can carry out the division of functional module according to above method example to SMF entity, for example, can correspond to each Two or more functions can also be integrated in a processing module by a each functional module of function division.It is above-mentioned Integrated module both can take the form of hardware realization, can also be realized in the form of software function module.It needs to illustrate , it is schematical, only a kind of logical function partition to the division of module in the application, can has in actual implementation another Outer division mode.

Further, system shown in Fig. 3, mobile management function to ps domain entity and conversation management functional in the system are based on Entity can specifically execute following operation:

In the first implementation, the conversation management functional entity is used for the mobile management function to ps domain entity It sends a notification message, the downlink data that the notification message is used to indicate the session of terminal reaches, and the session is this area The session of numeric field data network LADN, the notification message include LADN information；

The mobile management function to ps domain entity, if for determined according to the LADN information registration area of the terminal with There is overlapping in the overlay area of the LADN, then pages the terminal.

In one possible implementation, the LADN information includes data network title DNN, and the DNN is for marking Know local area data network LADN；Alternatively, LADN information includes DNN and LADN mark, LAND indicates for identifying the DNN The type of corresponding DN is LADN；The mobile management function to ps domain entity is also used to:

According to the DNN, the overlay area of the LADN is obtained.

In one possible implementation, the LADN information includes the overlay area of the LADN；The session pipe Reason functional entity is also used to:

From the local overlay area for obtaining the LADN；Or, obtaining the covering of the LADN from policy control functions entity Region.

In one possible implementation, the mobile management function to ps domain entity is specifically used for:

In one possible implementation, the mobile management function to ps domain entity, is also used to:

If determining that the registration area of the terminal and the overlay area of the LADN be not be overlapped according to the LADN information, Then notify terminal described in the conversation management functional entity not in the overlay area of the LADN.

In the second implementation, system shown in Fig. 3, mobile management function to ps domain entity and meeting in the system are based on Following operation specifically can also be performed in words management function entity:

The conversation management functional entity, for receiving notification message, the notification message is used to indicate the meeting of terminal The downlink data of words reaches, and the session is the session of local area data network LADN；If the registration area of the terminal with There is overlapping in the overlay area of the LADN, then indicates that the mobile management function to ps domain entity pages the terminal；

The mobile management function to ps domain entity, it is described for paging from the conversation management functional entity for receiving The instruction of terminal.

In one possible implementation, if there are weight in the overlay area of the registration area of the terminal and the LADN It folds, then the conversation management functional entity, is specifically used for:

If the identification information is the first label, indicate that the mobile management function to ps domain entity pages the terminal, institute State the first label be used to indicate the registration area of the terminal and the overlay area of the LADN have it is overlapping.

In one possible implementation, the conversation management functional entity, is also used to:

In one possible implementation, the mobile management function to ps domain entity is also used to: Xiang Suoshu session management function Energy entity sends the registration area of the terminal；

The conversation management functional entity, is also used to: from the local registration area for obtaining the terminal.

In one possible implementation, the conversation management functional entity is also used to:

When receiving session deactivation request message, Xiang Suoshu mobile management function to ps domain entity sends instruction information, described When instruction information is used to indicate the mobile management function to ps domain entity and determines that the registration area of the terminal updates, Xiang Suoshu Conversation management functional entity sends the registration area updated, and the deactivation request, which is used to indicate, deactivates PDU session；

The conversation management functional entity is also used to:

When determining that the registration area of the terminal updates, Xiang Suoshu conversation management functional entity sends the registration updated Region.

Receive the registration area of the update for the terminal that the mobile management function to ps domain entity is sent.

If it is determined that the registration area of the terminal has overlapping with the overlay area of the LADN, then the mobility pipe is indicated It manages functional entity and pages the terminal.

From the local registration area for obtaining the terminal；Or, obtaining the terminal from the mobile management function to ps domain entity Registration area.

In one possible implementation, the conversation management functional entity is specifically used for:

Paging domain is sent to the mobile management function to ps domain entity, the paging domain is used for the mobile management function Energy entity pages the terminal in the paging domain, and the paging domain is the registration area and the LADN of the terminal The overlapping region of overlay area.

The mark information from the mobile management function to ps domain entity is received, the mark information is by the movement Property management function entity determines that the registration area of the terminal updates, and the registration area of the updated terminal and institute It states and is sent when the positional relationship of the overlay area of LADN changes, the positional relationship is to have overlapping or be not overlapped.

All related contents for each step that above method embodiment is related to can quote each entity in the system, This is repeated no more.

This application provides a kind of computer storage mediums, by being stored as based on used in above-mentioned conversation management functional entity Calculation machine software instruction, it includes be program designed by conversation management functional entity for executing above-mentioned aspect.

This application provides a kind of computer storage mediums, for being stored as used in above-mentioned mobile management function to ps domain entity Computer software instructions, it includes be program designed by mobile management function to ps domain entity for executing above-mentioned aspect.

Present invention also provides computer program products.The computer program product includes computer software instructions, the meter Calculation machine software instruction can be loaded to realize the method in above method embodiment by processor.

The application provides a kind of chip, and the chip is connected with memory, deposits for reading and executing in the memory The software program of storage, to realize the method executed by conversation management functional entity in above method embodiment.

The application provides a kind of chip, and the chip is connected with memory, deposits for reading and executing in the memory The software program of storage, to realize the method executed by mobile management function to ps domain entity in above method embodiment.

Although combining each embodiment herein, invention has been described, however, implementing the claimed invention In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions Part or step, "a" or "an" are not excluded for multiple situations.Claim may be implemented in single processor or other units In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged It applies to combine and generates good effect.

It will be understood by those skilled in the art that embodiments herein can provide as method, apparatus (equipment) or computer journey Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the application They are all referred to as " module " or " system " by the form of embodiment here.Moreover, the application can be used it is one or more its In include computer usable program code computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, Optical memory etc.) on the form of computer program product implemented.Computer program is stored/distributed in suitable medium, There is provided together with other hardware or as hardware a part, can also use other distribution forms, such as by Internet or Other wired or wireless telecommunication systems.

The application is the flow chart and/or box referring to the present processes, device (equipment) and computer program product Figure describes.It should be understood that each process and/or the side in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in frame and flowchart and/or the block diagram.These computer program instructions be can provide to logical With the processor of computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate a machine Device, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for realizing in process The device for the function of being specified in figure one process or multiple processes and/or block diagrams one box or multiple boxes.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

Although in conjunction with specific features and embodiment, invention has been described, it is clear that, do not departing from this hair In the case where bright spirit and scope, it can be carry out various modifications and is combined.Correspondingly, the specification and drawings are only institute The exemplary illustration of the invention that attached claim is defined, and be considered as covered in the scope of the invention any and all and repair Change, change, combining or equivalent.Obviously, those skilled in the art various changes and modifications can be made to the invention without It is detached from the spirit and scope of the present invention.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its Within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of paging method characterized by comprising

Mobile management function to ps domain entity receives the notification message from conversation management functional entity, and the notification message is used to indicate There is the downlink data of the session of terminal to reach, the notification message includes local area data network LADN information；

If the mobile management function to ps domain entity determines the registration area and the LADN of the terminal according to the LADN information Overlay area have overlapping, then the mobile management function to ps domain entity pages the terminal.

2. described the method according to claim 1, wherein the LADN information includes data network title DNN DNN is for identifying LADN；Alternatively, the LADN information includes DNN and LADN mark, the LAND mark is described for identifying The type of the corresponding data network DN of DNN is LADN；

The method also includes:

The mobile management function to ps domain entity obtains the overlay area of the LADN according to the DNN.

3. the method according to claim 1, wherein the LADN information includes the overlay area of the LADN； The overlay area of the LADN by the conversation management functional entity from local acquisition, or by the conversation management functional entity from Policy control functions entity obtains.

4. method according to any one of claims 1 to 3, which is characterized in that the mobile management function to ps domain entity pages institute State terminal, comprising:

The mobile management function to ps domain entity pages the terminal in paging domain, and the paging domain is the registration of the terminal The overlapping region in region and the overlay area of the LADN.

5. method according to any one of claims 1 to 4, which is characterized in that further include:

If the mobile management function to ps domain entity determines the registration area and the LADN of the terminal according to the LADN information Overlay area be not overlapped, then the mobile management function to ps domain entity notifies terminal described in the conversation management functional entity not In the overlay area of the LADN.

6. a kind of paging method, which is characterized in that the described method includes:

Conversation management functional entity receives notification message, and the downlink data that the notification message is used to indicate the session of terminal arrives It reaches, the session is the session of local area data network LADN；

If the registration area of the terminal has overlapping, the conversation management functional entity instruction with the overlay area of the LADN Mobile management function to ps domain entity pages the terminal.

7. according to the method described in claim 6, it is characterized in that, the if covering of the registration area of the terminal and the LADN There is overlapping in region, then the conversation management functional entity instruction mobile management function to ps domain entity pages the terminal, comprising:

The conversation management functional entity obtains mark information, the mark information be used to indicate the registration area of the terminal with Whether the overlay area of the LADN has overlapping；

If the identification information is the first label, the conversation management functional entity indicates the mobile management function to ps domain entity The terminal is paged, there is weight in the overlay area of registration area and the LADN that first label is used to indicate the terminal It is folded.

8. the method according to the description of claim 7 is characterized in that further include:

The conversation management functional entity obtains the registration area of the terminal and the overlay area of the LADN；

The conversation management functional entity is generated according to the registration area of the terminal of acquisition and the overlay area of the LADN The mark information.

9. method according to claim 7 or 8, which is characterized in that further include:

For the conversation management functional entity from the local registration area for obtaining the terminal, the registration area of the terminal is by institute It states mobile management function to ps domain entity and is sent to the conversation management functional entity.

10. according to any method of claim 7 to 9, which is characterized in that further include:

When the conversation management functional entity receives session deactivation request message, Xiang Suoshu mobile management function to ps domain entity hair Instruction information is sent, the instruction information is used to indicate the registration area hair that the mobile management function to ps domain entity determines the terminal When raw update, Xiang Suoshu conversation management functional entity sends the registration area updated, and the deactivation request, which is used to indicate, to be deactivated Packet Data Unit PDU session living.

11. according to the method described in claim 10, it is characterized by further comprising:

The conversation management functional entity receives the registration of the update for the terminal that the mobile management function to ps domain entity is sent Region.

12. according to the method described in claim 6, it is characterized in that, if the registration area of the terminal and the LADN's covers Cover area has overlapping, then the conversation management functional entity instruction mobile management function to ps domain entity pages the terminal, comprising:

If it is overlapping that the conversation management functional entity determines that the registration area of the terminal has with the overlay area of the LADN, The conversation management functional entity indicates that the mobile management function to ps domain entity pages the terminal.

13. according to the method for claim 12, which is characterized in that further include:

Registration area of the conversation management functional entity from the local acquisition terminal；Or, from the mobile management function to ps domain Entity obtains the registration area of the terminal.

14. according to any method of claim 6 to 13, which is characterized in that further include:

The conversation management functional entity obtains the overlay area of the LADN from local；Or, being obtained from policy control functions entity Take the overlay area of the LADN.

15. according to any method of claim 6 to 14, which is characterized in that

The conversation management functional entity instruction mobile management function to ps domain entity pages the terminal, comprising:

The conversation management functional entity sends paging domain to the mobile management function to ps domain entity, and the paging domain is used for The mobile management function to ps domain entity pages the terminal in the paging domain, and the paging domain is the registration of the terminal The overlapping region in region and the overlay area of the LADN.

16. the method according to the description of claim 7 is characterized in that further include:

The conversation management functional entity receives the mark information from the mobile management function to ps domain entity, the label Information is to determine that the registration area of the terminal updates by the mobile management function to ps domain entity, and updated end What the positional relationship of the overlay area of the registration area at end and the LADN was sent when changing, the positional relationship is to have weight It folds or is not overlapped.

17. according to any method of claim 6 to 16, which is characterized in that further include:

If the registration area of the terminal and the overlay area of the LADN be not be overlapped, the conversation management functional entity is logical Know that user plane functions entity abandons the downlink data.

18. a kind of mobile management function to ps domain entity characterized by comprising

Receiving unit, for receiving the notification message from conversation management functional entity, the notification message has been used to indicate end The downlink data of the session at end reaches, and the notification message includes local area data network LADN information；

Processing unit, if for the processing unit according to the LADN information determine the registration area of the terminal with it is described There is overlapping in the overlay area of LADN, then pages the terminal.

19. mobile management function to ps domain entity according to claim 18, which is characterized in that the LADN information includes data Network name DNN, the DNN are for identifying local area data network LADN；Alternatively, the LADN information include DNN and LADN mark, type of the LAND mark for identifying the corresponding DN of the DNN is LADN；

The processing unit, is also used to:

According to the DNN, the overlay area of the LADN is obtained.

20. mobile management function to ps domain entity according to claim 18, which is characterized in that the LADN information includes described The overlay area of LADN；The overlay area of the LADN by the conversation management functional entity from local acquisition, or by the meeting Management function entity is talked about to obtain from policy control functions entity.

21. 8 to 20 any mobile management function to ps domain entity according to claim 1, which is characterized in that the processing is single Member is specifically used for:

The terminal is paged in paging domain, the paging domain is the registration area of the terminal and the area of coverage of the LADN The overlapping region in domain.

22. 8 to 21 any mobile management function to ps domain entity according to claim 1, which is characterized in that the processing is single Member is also used to:

If determining that the registration area of the terminal and the overlay area of the LADN be not be overlapped according to the LADN information, lead to Know terminal described in the conversation management functional entity not in the overlay area of the LADN.

23. a kind of conversation management functional entity characterized by comprising

Receiving unit, for receiving notification message, the downlink data that the notification message is used to indicate the session of terminal is reached, The session is the session of local area data network LADN；

Processing unit indicates mobility if the registration area for the terminal has overlapping with the overlay area of the LADN Management function entity pages the terminal.

24. conversation management functional entity according to claim 23, which is characterized in that the processing unit is specifically used for:

Mark information is obtained, the overlay area that the mark information is used to indicate the registration area and the LADN of the terminal is It is no to have overlapping；

If the identification information is the first label, indicate that the mobile management function to ps domain entity pages the terminal, described the The registration area that one label is used to indicate the terminal has overlapping with the overlay area of the LADN.

25. conversation management functional entity according to claim 23, which is characterized in that the processing unit is specifically used for:

If it is determined that the registration area of the terminal has overlapping with the overlay area of the LADN, then the mobile management function is indicated It can the entity paging terminal.

26. according to any conversation management functional entity of claim 23 to 25, which is characterized in that the session management function Energy entity further includes transmission unit, is used for:

Paging domain is sent to the mobile management function to ps domain entity, the paging domain is real for the mobile management function to ps domain Body pages the terminal in the paging domain, and the paging domain is the covering of the registration area and the LADN of the terminal The overlapping region in region.

27. according to any conversation management functional entity of claim 23 to 26, which is characterized in that the processing unit, It is also used to:

If the registration area of the terminal and the overlay area of the LADN be not be overlapped, user plane functions entity is notified to abandon The downlink data.

28. a kind of system characterized by comprising mobile management function to ps domain entity and conversation management functional entity；

The conversation management functional entity, for sending a notification message to the mobile management function to ps domain entity, the notice disappears The downlink data that breath is used to indicate the session of terminal reaches, and the notification message includes local area data network LADN letter Breath；

The mobile management function to ps domain entity, if for determined according to the LADN information registration area of the terminal with it is described There is overlapping in the overlay area of LADN, then pages the terminal.

29. system according to claim 28, which is characterized in that the LADN information includes data network title DNN, institute DNN is stated for identifying local area data network LADN；Alternatively, the LADN information includes DNN and LADN mark, the LAND Indicate that the type for identifying the corresponding DN of the DNN is LADN；

The mobile management function to ps domain entity is also used to:

According to the DNN, the overlay area of the LADN is obtained.

30. system according to claim 28, which is characterized in that the LADN information includes the area of coverage of the LADN Domain；The conversation management functional entity is also used to:

From the local overlay area for obtaining the LADN；Or, obtaining the overlay area of the LADN from policy control functions entity.

31. according to any system of claim 28 to 30, which is characterized in that the mobile management function to ps domain entity is specific For:

32. according to any system of claim 28 to 31, which is characterized in that the mobile management function to ps domain entity, also For:

33. a kind of system, which is characterized in that including conversation management functional entity and mobile management function to ps domain entity；

The conversation management functional entity, for receiving notification message, the notification message is used to indicate the session of terminal Downlink data reaches, and the session is the session of local area data network LADN；If the registration area of the terminal with it is described There is overlapping in the overlay area of LADN, then indicates that the mobile management function to ps domain entity pages the terminal；

The mobile management function to ps domain entity is used to page the terminal for receiving from the conversation management functional entity Instruction.

34. system according to claim 33, which is characterized in that if the registration area of the terminal and the LADN's covers Cover area has overlapping, then the conversation management functional entity, is specifically used for:

35. system according to claim 33, which is characterized in that if the registration area of the terminal and the LADN's covers Cover area has overlapping, then the conversation management functional entity, is specifically used for:

36. according to any system of claim 33 to 35, which is characterized in that the conversation management functional entity is specifically used In:

37. according to any system of claim 33 to 36, which is characterized in that the conversation management functional entity is also used In: