CN107105501B - A kind of paging method based on network fragment, device and system - Google Patents
A kind of paging method based on network fragment, device and system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000004891 communication Methods 0.000 claims abstract description 110
- 206010048669 Terminal state Diseases 0.000 claims description 57
- 238000013467 fragmentation Methods 0.000 claims description 41
- 238000006062 fragmentation reaction Methods 0.000 claims description 41
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- 230000011664 signaling Effects 0.000 abstract description 17
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- 238000007726 management method Methods 0.000 description 58
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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Abstract
The present invention provides a kind of paging method based on network fragment, device and system, it is related to field of communication technology, when solving the multiple network fragments being in idle condition of the prior art and being respectively present downlink data, the big problem of the signaling overheads and bandwidth consumption that each network fragment individually initiates paging to terminal.Paging method includes: to receive the downlink that each network slice controller is sent to establish request, and downlink establishes carried terminal contextual information in request；It is established and is requested according to downlink, paging request is sent to the corresponding terminal of terminal context information, and the network segmental identification of the communication connection to be established returned according to terminal, the communication connection of terminal network fragment corresponding with the network segmental identification of communication connection to be established is established using the corresponding network slice controller of the network segmental identification of radio access network controller, communication connection to be established, wherein, terminal obtains the network segmental identification of communication connection to be established according to paging request.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a paging method, apparatus, and system based on network fragmentation.
Background
While a Mobile communication network supports a conventional Mobile Broadband (MBB) scenario, it also needs to support a new scenario. New scenarios place different demands on the network, e.g. different demands on functions like charging, policy control, security and mobility. Mobile broadband scenarios may require application-dependent charging and policy control, whereas other scenarios may require simpler charging or policy.
To better support different scenarios, it is necessary to isolate the traffic of the different scenarios. For example, a large number of electronic sensor failures cannot affect MBB users. By means of network slicing techniques, a single physical network can be divided into multiple virtual networks, providing optimal support for different services used by different user groups. The definition of network Slice (Slice) is as follows: the network slice consists of three layers: a service instance layer, a network slice instance layer and a resource layer. As shown in fig. 1, the three layers are described as follows: (1) the service instance layer represents the supported service (end user service or business service). Each service instance represents a service. Generally, services may be provided by a network operator or a third party. Thus, a service instance may represent an operator service or a service provided by a third party. (2) The network slice instance provides the service instance with its required network characteristics. Multiple service instances provided by a network operator may share one network slice instance. The network slice instances may include 0, 1, or more subnet instances that may be shared by other network slice instances. A subnet instance consists of a set of network functions that run on top of physical/logical resources. (3) The resource layer comprises physical resources and logical resources. Where the physical resource is a collection of computers, storage and transmission resources (including radio access). A logical resource is a physical resource that is either specifically partitioned for a network function or shared by a group of network functions.
Each slice includes a set of logical network functions that support the communication traffic needs of a particular scenario. The logical function may be a location management function, a handover control function, a session management function, etc. The specific logic functions included in the slices are different according to services provided by the slices, for example, a slice supporting mobile broadband services needs to support the above-mentioned 3 functions, while a slice supporting internet-of-things services does not need to support a location management function and a handover control function. With network slicing techniques, a single physical network can be divided into multiple virtual networks.
In order to obtain different types of services simultaneously, a terminal may be accessed to a plurality of different network segments, and a management method of terminal state information adopted in the prior art is as follows: and respectively setting a management function of the terminal state information in each network fragment, and independently maintaining the state information of the terminal by each network fragment. However, in the process of implementing the present invention, the inventor finds that, when a terminal accesses multiple network segments simultaneously and the terminal state in each network segment is an idle state, if downlink data exists in the multiple network segments respectively, each network segment needs to separately start a paging mechanism to initiate a paging process for the terminal, so that signaling overhead and bandwidth consumption in the paging process are very large.
Disclosure of Invention
In view of this, the present invention provides a paging method, apparatus and system based on network fragments, which solve the problem in the prior art that when a plurality of network fragments in an idle state respectively have downlink data, each network fragment individually initiates a paging process to a terminal, which results in high signaling overhead and high bandwidth consumption.
In order to achieve the above object, in a first aspect, the present invention provides a paging method based on network fragmentation, including: receiving downlink establishing requests sent by each network fragmentation controller, wherein the downlink establishing requests carry terminal context information; and according to the downlink establishing request, sending a paging request to a terminal corresponding to the terminal context information, and according to a network fragment identifier of a communication connection to be established returned by the terminal, establishing a communication connection between the terminal and a network fragment corresponding to the network fragment identifier of the communication connection to be established by using a radio access network controller and the network fragment controller corresponding to the network fragment identifier of the communication connection to be established, wherein the terminal acquires the network fragment identifier of the communication connection to be established according to the paging request.
Wherein, the terminal obtaining the network fragment identifier of the communication connection to be established according to the paging request comprises: the terminal acquires the service type to be communicated according to the paging request; and the terminal acquires the network fragment identifier corresponding to the service type.
Wherein, the terminal obtaining the network fragment identifier of the communication connection to be established according to the paging request comprises: and the terminal acquires the network fragment identifier carried in the paging request.
Wherein the method further comprises: receiving a first terminal state updating message sent by the network segment controller; updating the state information of the terminal according to the first terminal state updating message, wherein the state information comprises: the network fragment controller is used for controlling the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal; and returning a first terminal state updating confirmation to the network segment controller.
The paging method based on the network fragmentation further comprises the following steps: when the radio access network control device of the terminal is changed, receiving a second terminal state update message sent by a new radio access network control device; updating the state information of the terminal according to the second terminal state updating message, wherein the state information comprises: identification information of a radio access network control device to which the terminal is accessed; and returning a second terminal state update confirmation to the new radio access network control device.
Wherein the method further comprises: when the paging domain of the terminal is changed, receiving a third terminal state updating message sent by the terminal; updating the state information of the terminal according to the third terminal state updating message, wherein the state information comprises: a paging domain identifier; and returning a third terminal state updating confirmation to the terminal.
Wherein the method further comprises: and if all the network fragment connection states of the terminal are idle states, deleting the identification information of the wireless access network control device of the terminal.
In a second aspect, the present invention further provides a paging method based on network fragmentation, including: receiving a paging request sent by a unified terminal information management device, wherein the paging request carries terminal context information; forwarding the paging request to a terminal corresponding to the terminal context information; receiving a connection establishment request returned by the terminal according to the paging request, wherein the connection establishment request carries a network fragmentation identification of communication connection to be established; establishing communication connection between the terminal and the network fragment corresponding to the network fragment identifier in cooperation with the network fragment controller corresponding to the network fragment identifier; and returning a setup completion message to the terminal.
Wherein, the paging request also carries the network fragment identifier of the communication connection to be established.
In a third aspect, the present invention further provides a unified terminal information management apparatus, including:
a first receiving unit, configured to receive a downlink establishment request sent by each network segment controller, where the downlink establishment request carries terminal context information;
a first sending unit, configured to send a paging request to a terminal corresponding to the terminal context information according to the downlink establishment request received by the first receiving unit, and establish, according to a network segment identifier to be established for communication connection returned by the terminal, a communication connection between the terminal and a network segment corresponding to the network segment identifier to be established for communication connection by using a radio access network controller and a network segment controller corresponding to the network segment identifier to be established for communication connection, where the terminal obtains the network segment identifier to be established for communication connection according to the paging request.
Wherein the apparatus further comprises:
a second receiving unit, configured to receive a first terminal status update message sent by the network segment controller;
a first status updating unit, configured to update status information of the terminal according to the first terminal status updating message received by the second receiving unit, where the status information includes: the network fragment controller is used for controlling the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal;
and the second sending unit is used for returning a first terminal state updating confirmation to the network fragmentation controller.
Wherein the apparatus further comprises:
a third receiving unit, configured to receive a second terminal status update message sent by a new radio access network control device when a radio access network control device of the terminal changes;
a second status updating unit, configured to update status information of the terminal according to a second terminal status updating message received by the third receiving unit, where the status information includes: identification information of a radio access network control device to which the terminal is accessed;
and a third transmitting unit configured to return a second terminal status update confirmation to the new radio access network control apparatus.
Wherein the apparatus further comprises:
a fourth receiving unit, configured to receive a third terminal status update message sent by the terminal when a paging domain of the terminal changes;
a third status updating unit, configured to update status information of the terminal according to a third terminal status updating message received by the fourth receiving unit, where the status information includes: a paging domain identifier;
and the fourth sending unit is used for returning a third terminal state updating confirmation to the terminal.
Wherein the apparatus further comprises:
and a fourth state updating unit, configured to delete the identifier information of the radio access network control device of the terminal if all network segment connection states of the terminal are idle states.
In a fourth aspect, an embodiment of the present invention further provides a radio access network control apparatus, including:
a first receiving unit, configured to receive a paging request sent by a unified terminal information management apparatus, where the paging request carries terminal context information;
a first sending unit, configured to forward the paging request received by the first receiving unit to a terminal corresponding to the terminal context information;
a second receiving unit, configured to receive a connection establishment request returned by the terminal according to the paging request sent by the first sending unit, where the connection establishment request carries a network segment identifier of a communication connection to be established;
a communication connection establishing unit, configured to establish, in cooperation with a network segment controller corresponding to the network segment identifier, a communication connection between the terminal and a network segment corresponding to the network segment identifier;
and the second sending unit is used for returning the establishment completion message to the terminal.
In a fifth aspect, an embodiment of the present invention further provides a paging system based on network fragmentation, including: the terminal, a wireless access network control device to which the terminal belongs, a unified terminal information management device and network fragment control devices respectively arranged in each network fragment; wherein,
the network fragmentation control device is used for sending a downlink establishing request to the unified terminal information management device when receiving downlink data, wherein the downlink establishing request carries terminal context information;
the unified terminal information management device is configured to receive downlink establishment requests sent by the network segment controllers, and send paging requests to the radio access network control device according to the downlink establishment requests, where the paging requests carry the terminal context information;
the radio access network control device is configured to receive a paging request sent by the unified terminal information management device, forward the paging request to a terminal corresponding to the terminal context information, receive a connection establishment request returned by the terminal according to the paging request, establish a communication connection between the terminal and a network segment corresponding to the network segment identifier according to a network segment identifier to be established and carried in the connection establishment request, and return an establishment completion message to the terminal in cooperation with the network segment controller corresponding to the network segment identifier;
and the terminal is used for receiving the paging request sent by the radio access network control device, acquiring the network fragment identifier of the communication connection to be established, carrying the network fragment identifier of the communication connection to be established in the connection establishment request, and sending the network fragment identifier to be established to the radio access network control device.
The terminal is specifically configured to acquire a service type to be communicated according to the paging request, and acquire a network fragmentation identifier corresponding to the service type; or, if the paging request carries a network fragment identifier, acquiring the network fragment identifier carried in the paging request.
The unified terminal information management device is further configured to receive a first terminal state update message sent by the network segment controller, and update the state information of the terminal according to the first terminal state update message, where the state information includes: and returning a first terminal state updating confirmation to the network fragment controller by the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal.
The unified terminal information management device is further configured to receive a second terminal status update message sent by a new radio access network control device when a radio access network control device of the terminal changes, and update the status information of the terminal according to the second terminal status update message, where the status information includes: and the identification information of the radio access network control device accessed by the terminal returns a second terminal state updating confirmation to the new radio access network control device.
The unified terminal information management apparatus is further configured to receive a third terminal state update message sent by the terminal when a paging domain of the terminal changes, and update the state information of the terminal according to the third terminal state update message, where the state information includes: and paging the domain identifier, and returning a third terminal state updating confirmation to the terminal.
The unified terminal information management device is further configured to delete the identifier information of the radio access network control device of the terminal if all network segment connection states of the terminal are idle states.
The technical scheme of the invention at least has the following beneficial effects:
according to the paging method, device and system based on the network fragments provided by the embodiment of the invention, the unified terminal information management device can receive the downlink establishing request sent by each network fragment control device, uniformly trigger the paging process and establish the communication connection between the terminal and each network fragment, and the problems of high signaling overhead and high bandwidth consumption of the paging process initiated by each network fragment to the terminal independently when downlink data exists in a plurality of idle network fragments in the prior art are solved. The unified terminal information management device can uniformly process the downlink establishing requests sent by each network fragment control device, thereby saving signaling overhead and bandwidth resources in the paging process of the mobile communication network based on the network fragments.
Drawings
Fig. 1 is a schematic diagram of a network segment in the prior art;
fig. 2 is a flowchart illustrating a first step of a paging method based on network fragmentation according to a first embodiment of the present invention;
fig. 3 is a flowchart of a step in which a terminal acquires a network segment identifier of a communication connection to be established according to a paging request in a paging method based on network segments according to a first embodiment;
fig. 4 is a flowchart illustrating a second step of a paging method based on network fragmentation according to a first embodiment of the present invention;
fig. 5 is a flowchart illustrating a third step of a paging method based on network fragmentation according to a first embodiment of the present invention;
fig. 6 is a flowchart illustrating a fourth step of a paging method based on network fragmentation according to the first embodiment of the present invention;
fig. 7 is a flowchart illustrating a fifth step of a paging method based on network fragmentation according to a first embodiment of the present invention;
fig. 8 is a flowchart illustrating steps of a paging method based on network fragmentation according to a second embodiment of the present invention;
fig. 9 is a first schematic structural diagram of a unified terminal information management apparatus according to a third embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a unified terminal information management apparatus according to a third embodiment of the present invention
Fig. 11 is a second schematic structural diagram of a unified terminal information management apparatus according to a third embodiment of the present invention;
fig. 12 is a third schematic structural diagram of a unified terminal information management apparatus according to a third embodiment of the present invention;
fig. 13 is a fourth schematic structural diagram of a unified terminal information management apparatus according to a third embodiment of the present invention;
fig. 14 is a schematic structural diagram of a radio access network control apparatus according to a fourth embodiment of the present invention;
fig. 15 is a diagram of a paging system architecture based on network fragmentation according to a fifth embodiment of the present invention;
fig. 16 is a timing diagram of a paging procedure of the paging system based on network fragmentation according to the fifth embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
First embodiment
As shown in fig. 2, a first embodiment of the present invention provides a paging method based on network fragmentation, including:
step 201, receiving downlink establishing requests sent by each network segment controller, where the downlink establishing requests carry terminal context information.
In this embodiment, when the terminal connection state of the network segment is an idle state, if the network segment receives downlink data, the network segment controller corresponding to the network segment initiates a downlink establishment request when receiving the downlink data.
Step 202, according to the downlink establishing request, sending a paging request to the terminal corresponding to the terminal context information, and according to the network fragment identifier of the communication connection to be established returned by the terminal, establishing the communication connection between the terminal and the network fragment corresponding to the network fragment identifier of the communication connection to be established by using the radio access network controller and the network fragment controller corresponding to the network fragment identifier of the communication connection to be established, wherein the terminal obtains the network fragment identifier of the communication connection to be established according to the paging request.
It should be noted that, in this embodiment, the terminal may obtain the network segment identifier of the communication connection to be established through two ways.
First, as shown in fig. 3, the step of acquiring, by the terminal, the network segment identifier of the communication connection to be established according to the paging request may include:
step 301, the terminal obtains the service type to be communicated according to the paging request.
Step 302, the terminal obtains a network fragment identifier corresponding to the service type.
In this embodiment, the terminal stores a correspondence table between the service type and the network segment identifier in advance, and after the service type is obtained in step 301, step 302 may search the network segment identifier corresponding to the service type according to the correspondence table between the service type and the network segment identifier stored in advance.
Alternatively, in step 201, the downlink establishment request may further carry a network segment identifier of the communication connection to be established, and the paging request sent to the terminal in step 202 carries the network segment identifier of the communication connection to be established, at this time, the step of acquiring, by the terminal, the network segment identifier of the communication connection to be established according to the paging request may include: and the terminal acquires the network fragment identifier carried in the paging request.
Of course, the above two methods are only specific examples, and in an actual using process, the terminal may further obtain the network segment identifier of the communication connection to be established through other possible manners, which is not described in detail herein.
Further, as shown in fig. 4, the paging method based on network fragmentation provided in the embodiment of the present invention may further include:
step 203, receiving a first terminal state update message sent by the network segment controller.
In this embodiment, the first terminal status update message may specifically be a link status change message; the link state change message carries a network segment identifier and current link state information of a terminal in a network segment corresponding to the network identifier, such as: an idle state or a connected state, etc.
Step 204, updating the state information of the terminal according to the first terminal state update message, wherein the state information may include: and the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal.
And step 205, returning a first terminal state update confirmation to the network segment controller.
In this embodiment, the step 203-: the switching from the idle state to the connected state may occur, or the switching from the connected state to the idle state may occur, which is not described in detail herein.
Further, as shown in fig. 5, the paging method based on network fragmentation according to the embodiment of the present invention may further include:
in step 206, when the radio access network controller of the terminal is changed, a second terminal status update message sent by the new radio access network controller is received.
In this embodiment, if the radio access network control apparatus may be changed when the terminal is in the connected state, at this time, the second terminal state update message described in step 206 may specifically be a radio access network control apparatus change message, where the radio access network control apparatus change message carries identification information of a new radio access network control apparatus after the change.
Step 207, updating the state information of the terminal according to the second terminal state update message, wherein the state information may include: identification information of a radio access network control device to which the terminal is accessed.
Step 208, the second terminal status update confirmation is returned to the new radio access network control device.
In the present embodiment, the occurrence sequence of the steps 206-208 is not limited, and in the actual using process, the steps 206-208 may occur after the step 202 shown in fig. 5, or may occur when the radio access network control device of any terminal is changed, which is not described herein in detail.
Further, as shown in fig. 6, the paging method based on network fragmentation according to the embodiment of the present invention may further include:
step 209, receiving a third terminal status update message sent by the terminal when the paging domain of the terminal is changed.
In this embodiment, the third terminal status update message may specifically be a location update message of the terminal, and step 209 may receive the location update message through the radio access network control device to which the terminal belongs, where the location update message carries a paging domain identifier to which the terminal belongs after location update.
Step 210, updating the state information of the terminal according to the third terminal state update message, wherein the state information includes: and (4) paging domain identification.
And step 211, returning a third terminal state updating confirmation to the terminal.
In the present embodiment, the occurrence sequence of steps 209-211 is not limited, and in the actual using process, the steps 209-211 may occur after the step 202 shown in fig. 6, or may occur under the condition that the paging domain of any terminal is changed, which is not described herein in detail.
Further, as shown in fig. 7, the paging method based on network fragmentation according to the embodiment of the present invention may further include:
in step 212, if all the network segment connection states of the terminal are idle states, the identifier information of the radio access network control device of the terminal is deleted.
Specifically, step 212 may periodically detect connection status information of the network slice to which the terminal belongs, and delete the identification information of the radio access network control device of the terminal when link statuses of all network slices are empty, that is: and setting the identification information of the wireless access network control device of the terminal to be null.
In this embodiment, the occurrence sequence of step 212 is not limited, and in an actual using process, step 212 may occur after step 202 shown in fig. 7, or may occur in any other case, which is not described herein.
The paging method based on the network fragments provided by the embodiment of the invention receives the downlink establishing request sent by each network fragment control device, uniformly triggers the paging process, and establishes the communication connection between the terminal and each network fragment, thereby solving the problems of high signaling overhead and high bandwidth consumption when each network fragment independently initiates the paging process to the terminal when a plurality of network fragments in an idle state respectively have downlink data in the prior art. The downlink establishing requests sent by each network fragment control device can be processed uniformly, so that the signaling overhead and bandwidth resources of the mobile communication network paging process based on the network fragments are saved.
Furthermore, as can be seen from the steps shown in fig. 4 to 7, the paging method based on network segments provided in the embodiments of the present invention can also perform unified management and update on the terminal state in each network segment, which solves the problem of inconvenient management in the prior art due to the fact that each network segment manages the user terminal state separately, and further saves signaling overhead and network bandwidth resources for updating the terminal state.
Second embodiment
As shown in fig. 8, a second embodiment of the present invention provides a paging method based on network fragmentation, including:
step 801, receiving a paging request sent by a unified terminal information management device, wherein the paging request carries terminal context information.
Step 802, forwarding the paging request to the terminal corresponding to the terminal context information.
And step 803, receiving a connection establishment request returned by the terminal according to the paging request, wherein the connection establishment request carries the network fragment identifier of the communication connection to be established.
And step 804, establishing communication connection between the terminal and the network segment controller corresponding to the network segment identifier in cooperation with the unified terminal information management device and the network segment controller corresponding to the network segment identifier.
Step 805, a setup complete message is returned to the terminal.
Further, in order to enable the terminal to obtain the network segment identifier of the communication connection to be established, the paging request received in step 801 may also carry the network segment identifier of the communication connection to be established.
The method for acquiring the network segment identifier of the communication connection to be established by the terminal in this embodiment is the same as that described in the first embodiment, and is not described herein again.
The paging method based on the network fragments provided by the embodiment of the invention can receive the paging request sent by the unified terminal information management device and forwards the paging request to the terminal, so that the terminal can acquire the network fragment identifier of the communication connection to be established according to the paging request and respectively establish the communication connection for the terminal and the network fragment controller corresponding to the network fragment identifier according to the network fragment identifier, thereby achieving the purpose of uniformly performing the paging process on each network fragment, solving the problems of large signaling overhead and bandwidth consumption of the paging process initiated by each network fragment to the terminal when a plurality of network fragments in an idle state respectively have downlink data in the prior art, and saving the signaling overhead and bandwidth resources of the mobile communication network paging process based on the network fragments.
Third embodiment
As shown in fig. 9, a third embodiment of the present invention provides a unified terminal information management apparatus 900 including:
a first receiving unit 901, configured to receive downlink establishment requests sent by each network segment controller, where the downlink establishment requests carry terminal context information.
A first sending unit 902, configured to send, according to the downlink establishment request received by the first receiving unit 901, a paging request to a terminal corresponding to terminal context information, and according to a network segment identifier to be established for communication connection returned by the terminal, establish, by using a radio access network controller and a network segment controller corresponding to the network segment identifier to be established for communication connection, a communication connection between the terminal and a network segment corresponding to the network segment identifier to be established for communication connection, where the terminal obtains the network segment identifier to be established for communication connection according to the paging request.
Further, as shown in fig. 10, the unified terminal information management apparatus 900 according to the third embodiment of the present invention may further include:
a second receiving unit 903, configured to receive a first terminal status update message sent by the network segment controller.
A first status updating unit 904, configured to update the status information of the terminal according to the first terminal status updating message received by the second receiving unit 903, where the status information includes: and the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal.
A second sending unit 905, configured to return a first terminal state update confirmation to the network segment controller.
As shown in fig. 11, the unified terminal information management apparatus 900 according to the third embodiment of the present invention may further include:
a third receiving unit 906, configured to receive a second terminal status update message sent by a new radio access network control device when the radio access network control device of the terminal changes.
A second status updating unit 907, configured to update the status information of the terminal according to the second terminal status updating message received by the third receiving unit 906, where the status information includes: identification information of a radio access network control device to which the terminal is accessed.
A third transmitting unit 908 is configured to return a second terminal status update confirmation to the new radio access network control apparatus.
As shown in fig. 12, the unified terminal information management apparatus 900 according to the third embodiment of the present invention may further include:
a fourth receiving unit 909, configured to receive the third terminal status update message sent by the terminal when the paging domain of the terminal changes.
A third status updating unit 910, configured to update the status information of the terminal according to the third terminal status updating message received by the fourth receiving unit 909, where the status information includes: and (4) paging domain identification.
A fourth sending unit 911, configured to return a third terminal status update confirmation to the terminal.
As shown in fig. 13, the unified terminal information management apparatus 900 according to the third embodiment of the present invention may further include: a fourth status updating unit 912, configured to delete the identifier information of the radio access network control apparatus of the terminal if all the network segment connection statuses of the terminal are idle statuses.
The specific implementation method of the unified terminal information management apparatus 900 according to the embodiment of the present invention can be described with reference to the paging method based on network fragmentation according to the first embodiment shown in fig. 1 to 7, and is not described herein again.
The unified terminal information management device 900 provided by the embodiment of the present invention can receive downlink establishment requests sent by each network segment control device, uniformly trigger paging processes, and establish communication connections between a terminal and each network segment, thereby solving the problem that signaling overhead and bandwidth consumption are large when each network segment individually initiates a paging process to the terminal when a plurality of network segments in an idle state respectively have downlink data in the prior art. The downlink establishing requests sent by each network fragment control device can be processed uniformly, so that the signaling overhead and bandwidth resources of the mobile communication network paging process based on the network fragments are saved.
Furthermore, the unified terminal information management device 900 can also perform unified management and update on the terminal states in each network slice, thereby solving the problem of inconvenient management caused by that each network slice manages the user terminal states respectively in the prior art, and further saving signaling overhead and network bandwidth resources for updating the terminal states.
Fourth embodiment
As shown in fig. 14, a radio access network controller 1400 according to a fourth embodiment of the present invention includes:
a first receiving unit 1401, configured to receive a paging request sent by the unified terminal information management apparatus, where the paging request carries terminal context information.
A first sending unit 1402, configured to forward the paging request received by the first receiving unit 1401 to the terminal corresponding to the terminal context information.
A second receiving unit 1403, configured to receive a connection establishment request returned by the terminal according to the paging request sent by the first sending unit 1402, where the connection establishment request carries a network segment identifier of a communication connection to be established.
A communication connection establishing unit 1404, configured to establish, in cooperation with the unified terminal information management apparatus and the network segment controller corresponding to the network segment identifier, a communication connection between the terminal and the network segment corresponding to the network segment identifier.
A second sending unit 1405, configured to return a setup complete message to the terminal.
The specific implementation method of the radio access network control apparatus 1400 according to the embodiment of the present invention may be described with reference to the paging method based on network fragmentation according to the second embodiment shown in fig. 8, and is not described herein again.
The radio access network control device 1400 provided in the embodiment of the present invention may receive a paging request sent by a unified terminal information management device, and forward the paging request to a terminal, so that the terminal may obtain a network fragment identifier of a communication connection to be established according to the paging request, and respectively establish a communication connection for the terminal and a network fragment controller corresponding to the network fragment identifier according to the network fragment identifier, thereby achieving the purpose of uniformly performing a paging process on each network fragment, solving the problem that signaling overhead and bandwidth consumption are large when a plurality of network fragments in an idle state respectively have downlink data in the prior art, and saving signaling overhead and bandwidth resources of a mobile communication network paging process based on the network fragments.
Fifth embodiment
As shown in fig. 15, a fourth embodiment of the present invention provides a paging system based on network fragmentation, including: a terminal 1501, a radio access network control apparatus 1502 to which the terminal 1501 belongs, a unified terminal information management apparatus 1503, and a network slice control apparatus 1504 provided in each network slice, respectively.
The network fragmentation control device 1504 is configured to send a downlink establishment request to the unified terminal information management device 1503 when receiving the downlink data, where the downlink establishment request carries the terminal context information.
The unified terminal information management device 1503 is configured to receive the downlink establishment requests sent by the network segment controllers 1504, and send paging requests to the radio access network control device 1502 according to the downlink establishment requests, where the paging requests carry the terminal context information.
A radio access network control device 1502, configured to receive a paging request sent by the unified terminal information management device 1503, forward the paging request to the terminal 1501 corresponding to the terminal context information, and receive a connection establishment request returned by the terminal 1501 according to the paging request, and according to a network segment identifier to be established for communication connection carried in the connection establishment request, establish a communication connection between the terminal 1501 and a network segment corresponding to the network segment identifier in cooperation with the unified terminal information management device 1503 and the network segment controller 1504 corresponding to the network segment identifier, and return an establishment completion message to the terminal 1501.
The terminal 1501 is configured to receive a paging request sent by the radio access network control apparatus 1502, acquire a network segment identifier of a communication connection to be established, and send the network segment identifier of the communication connection to be established to the radio access network control apparatus 1502 by being carried in the connection establishment request.
Further, the terminal 1501 is specifically configured to obtain a service type to be communicated according to the paging request, and obtain a network segment identifier corresponding to the service type; or, if the paging request carries the network fragment identifier, the network fragment identifier carried in the paging request is acquired.
In order to make those skilled in the art more clearly understand the implementation principle of the paging system based on network fragmentation provided in the fifth embodiment of the present invention, this embodiment uses the timing diagram shown in fig. 16 to describe the paging process of the paging system based on network fragmentation.
As shown in fig. 16, a process of paging by the paging system based on network fragmentation according to the embodiment of the present invention includes:
step 1601, each network slice control device 1504 that receives the downlink data sends a downlink establishment request to the unified terminal information management device 1503, where the downlink establishment request carries the terminal context information.
In step 1602, the unified terminal information management device 1503 sends a paging request to the radio access network control device 1502 according to the downlink establishment request, where the paging request carries the terminal context information.
In step 1603, the radio access network controller 1502 transfers the paging request to the terminal 1501 corresponding to the terminal context information.
In step 1604, the terminal 1501 obtains the network segment identifier of the communication connection to be established according to the paging request, and sends a connection establishment request carrying the network segment identifier of the communication connection to be established to the radio access network control apparatus 1502.
In step 1605, the radio access network controller 1502 fragments a radio network link for the terminal 1501 according to the connection establishment request.
In step 1606, the radio access network controller 1502 sends a connection establishment request to the network fragment controller 1504 corresponding to the network fragment id to be established with a communication connection according to the connection establishment request.
In step 1607, the network segment controller 1504, after receiving the connection establishment request, returns a connection establishment response to the radio access network controller 1502, and establishes a communication connection with the terminal 1501 through the wireless network link.
In step 1608, after receiving the connection establishment response, the radio access network controller 1502 returns an acknowledgement to each network segment controller 1504 respectively to establish a connection.
The unified terminal information management device provided by the embodiment of the present invention may store the state information of the terminal, and in this embodiment, the state information of the terminal may include: network fragment identification, communication state information of the terminal, identification information of a wireless access network control device accessed by the terminal, paging domain identification of the terminal and the like.
Further, when the communication state of the terminal 1501 changes, such as changes from an idle state to a connected state or changes from a connected state to an idle state, the unified terminal information management device 1503 may be further configured to receive a first terminal state update message sent by the network slice controller 1504, and update the state information of the terminal 1501 according to the first terminal state update message, where the state information includes: and the network segment identifier corresponding to the network segment controller and the communication state information of the terminal 1501 return a first terminal state update confirmation to the network segment controller 1504.
Further, when the radio access network control device of the terminal 1501 is changed, the unified terminal information management device 1503 is further configured to receive a second terminal status update message sent by the new radio access network control device 1502, and update the status information of the terminal 1501 according to the second terminal status update message, where the status information includes: the identifier information of the radio access network controller 1502 to which the terminal 1501 has access returns a second terminal status update confirmation to the new radio access network controller.
Further, when the paging domain of the terminal 1501 is changed, the unified terminal information management device 1503 is further configured to receive a third terminal status update message sent by the terminal 1501, and update the status information of the terminal 1501 according to the third terminal status update message, where the status information includes: and paging the domain identifier, and returning a third terminal state update confirmation to the terminal 1501.
Further, the unified terminal information management device 1503 is further configured to delete the identifier information of the radio access network control device of the terminal 1501 if all the network segment connection states of the terminal 1501 are idle states.
The specific implementation method of the paging system based on network slices provided by the embodiment of the present invention can refer to the paging description based on network slices provided by the embodiment of the present invention shown in fig. 1 to 8, and is not described herein again.
According to the paging system based on the network fragments provided by the embodiment of the invention, the unified terminal information management device can receive the downlink establishing request sent by each network fragment control device, uniformly trigger the paging process and establish the communication connection between the terminal and each network fragment, so that the problems of high signaling overhead and high bandwidth consumption of the paging process initiated by each network fragment to the terminal when downlink data exists in a plurality of idle network fragments in the prior art are solved. The unified terminal information management device can uniformly process the downlink establishing requests sent by each network fragment control device, thereby saving signaling overhead and bandwidth resources in the paging process of the mobile communication network based on the network fragments.
Sixth embodiment
A sixth embodiment of the present invention provides a unified terminal information management apparatus, including: a processor; and a memory connected to the processor through a bus interface, the memory being used to store programs and data used by the processor in performing operations, and when the processor calls and executes the programs and data stored in the memory, the memory including functional modules or units implementing:
a first receiving unit, configured to receive a downlink establishment request sent by each network segment controller, where the downlink establishment request carries terminal context information;
a first sending unit, configured to send a paging request to a terminal corresponding to the terminal context information according to the downlink establishment request received by the first receiving unit, and establish, according to a network segment identifier to be established for communication connection returned by the terminal, a communication connection between the terminal and a network segment corresponding to the network segment identifier to be established for communication connection by using a radio access network controller and a network segment controller corresponding to the network segment identifier to be established for communication connection, where the terminal obtains the network segment identifier to be established for communication connection according to the paging request.
Seventh embodiment
A seventh embodiment of the present invention provides a unified terminal information management apparatus, including: a processor; and a memory connected to the processor through a bus interface, the memory being used to store programs and data used by the processor in performing operations, and when the processor calls and executes the programs and data stored in the memory, the memory including functional modules or units implementing:
a first receiving unit, configured to receive a paging request sent by a unified terminal information management apparatus, where the paging request carries terminal context information;
a first sending unit, configured to forward the paging request received by the first receiving unit to a terminal corresponding to the terminal context information;
a second receiving unit, configured to receive a connection establishment request returned by the terminal according to the paging request sent by the first sending unit, where the connection establishment request carries a network segment identifier of a communication connection to be established;
a communication connection establishing unit, configured to establish, in cooperation with a network segment controller corresponding to the network segment identifier, a communication connection between the terminal and a network segment corresponding to the network segment identifier;
and the second sending unit is used for returning the establishment completion message to the terminal.
It should be noted that the apparatuses provided in the sixth and seventh embodiments of the present invention are apparatuses capable of correspondingly implementing the network fragment-based paging method provided in the foregoing method embodiments, so that all embodiments of the network fragment-based paging method provided in the foregoing method embodiments can be correspondingly applied to the sixth and seventh embodiments, and can achieve the same or similar beneficial effects.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (21)
1. A paging method based on network fragmentation is characterized by comprising the following steps:
receiving downlink establishing requests sent by each network fragmentation controller, wherein the downlink establishing requests carry terminal context information;
and according to the downlink establishing request, sending a paging request to a terminal corresponding to the terminal context information, and according to a network fragment identifier of a communication connection to be established returned by the terminal, establishing a communication connection between the terminal and a network fragment corresponding to the network fragment identifier of the communication connection to be established by using a radio access network controller and the network fragment controller corresponding to the network fragment identifier of the communication connection to be established, wherein the terminal acquires the network fragment identifier of the communication connection to be established according to the paging request.
2. The method according to claim 1, wherein the obtaining, by the terminal, the network segment identifier of the communication connection to be established according to the paging request comprises:
the terminal acquires the service type to be communicated according to the paging request;
and the terminal acquires the network fragment identifier corresponding to the service type.
3. The method according to claim 1, wherein the obtaining, by the terminal, the network segment identifier of the communication connection to be established according to the paging request comprises:
and the terminal acquires the network fragment identifier carried in the paging request.
4. The method of claim 1, further comprising:
receiving a first terminal state updating message sent by the network segment controller;
updating the state information of the terminal according to the first terminal state updating message, wherein the state information comprises: the network fragment controller is used for controlling the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal;
and returning a first terminal state updating confirmation to the network segment controller.
5. The method of claim 1, further comprising:
when the radio access network control device of the terminal is changed, receiving a second terminal state update message sent by a new radio access network control device;
updating the state information of the terminal according to the second terminal state updating message, wherein the state information comprises: identification information of a radio access network control device to which the terminal is accessed;
and returning a second terminal state update confirmation to the new radio access network control device.
6. The method of claim 1, further comprising:
when the paging domain of the terminal is changed, receiving a third terminal state updating message sent by the terminal;
updating the state information of the terminal according to the third terminal state updating message, wherein the state information comprises: a paging domain identifier;
and returning a third terminal state updating confirmation to the terminal.
7. The method of claim 1, further comprising:
and if all the network fragment connection states of the terminal are idle states, deleting the identification information of the wireless access network control device of the terminal.
8. A paging method based on network fragmentation is characterized by comprising the following steps:
receiving a paging request sent by a unified terminal information management device, wherein the paging request carries terminal context information;
forwarding the paging request to a terminal corresponding to the terminal context information;
receiving a connection establishment request returned by the terminal according to the paging request, wherein the connection establishment request carries a network fragmentation identification of communication connection to be established;
establishing communication connection between the terminal and the network fragment corresponding to the network fragment identifier in cooperation with the network fragment controller corresponding to the network fragment identifier;
and returning a setup completion message to the terminal.
9. The method according to claim 8, wherein the paging request further carries a network fragmentation identifier of the communication connection to be established.
10. A unified terminal information management apparatus, comprising:
a first receiving unit, configured to receive a downlink establishment request sent by each network segment controller, where the downlink establishment request carries terminal context information;
a first sending unit, configured to send a paging request to a terminal corresponding to the terminal context information according to the downlink establishment request received by the first receiving unit, and establish, according to a network segment identifier to be established for communication connection returned by the terminal, a communication connection between the terminal and a network segment corresponding to the network segment identifier to be established for communication connection by using a radio access network controller and a network segment controller corresponding to the network segment identifier to be established for communication connection, where the terminal obtains the network segment identifier to be established for communication connection according to the paging request.
11. The apparatus of claim 10, further comprising:
a second receiving unit, configured to receive a first terminal status update message sent by the network segment controller;
a first status updating unit, configured to update status information of the terminal according to the first terminal status updating message received by the second receiving unit, where the status information includes: the network fragment controller is used for controlling the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal;
and the second sending unit is used for returning a first terminal state updating confirmation to the network fragmentation controller.
12. The apparatus of claim 10, further comprising:
a third receiving unit, configured to receive a second terminal status update message sent by a new radio access network control device when a radio access network control device of the terminal changes;
a second status updating unit, configured to update status information of the terminal according to a second terminal status updating message received by the third receiving unit, where the status information includes: identification information of a radio access network control device to which the terminal is accessed;
and a third transmitting unit configured to return a second terminal status update confirmation to the new radio access network control apparatus.
13. The apparatus of claim 10, further comprising:
a fourth receiving unit, configured to receive a third terminal status update message sent by the terminal when a paging domain of the terminal changes;
a third status updating unit, configured to update status information of the terminal according to a third terminal status updating message received by the fourth receiving unit, where the status information includes: a paging domain identifier;
and the fourth sending unit is used for returning a third terminal state updating confirmation to the terminal.
14. The apparatus of claim 10, further comprising:
and a fourth state updating unit, configured to delete the identifier information of the radio access network control device of the terminal if all network segment connection states of the terminal are idle states.
15. A radio access network control apparatus, comprising:
a first receiving unit, configured to receive a paging request sent by a unified terminal information management apparatus, where the paging request carries terminal context information;
a first sending unit, configured to forward the paging request received by the first receiving unit to a terminal corresponding to the terminal context information;
a second receiving unit, configured to receive a connection establishment request returned by the terminal according to the paging request sent by the first sending unit, where the connection establishment request carries a network segment identifier of a communication connection to be established;
a communication connection establishing unit, configured to establish, in cooperation with a network segment controller corresponding to the network segment identifier, a communication connection between the terminal and a network segment corresponding to the network segment identifier;
and the second sending unit is used for returning the establishment completion message to the terminal.
16. A paging system based on network fragmentation, comprising: the terminal, a wireless access network control device to which the terminal belongs, a unified terminal information management device and network fragment control devices respectively arranged in each network fragment; wherein,
the network fragmentation control device is used for sending a downlink establishing request to the unified terminal information management device when receiving downlink data, wherein the downlink establishing request carries terminal context information;
the unified terminal information management device is configured to receive downlink establishment requests sent by the network segment controllers, and send paging requests to the radio access network control device according to the downlink establishment requests, where the paging requests carry the terminal context information;
the radio access network control device is configured to receive a paging request sent by the unified terminal information management device, forward the paging request to a terminal corresponding to the terminal context information, receive a connection establishment request returned by the terminal according to the paging request, establish a communication connection between the terminal and a network segment corresponding to the network segment identifier according to a network segment identifier to be established and carried in the connection establishment request, and return an establishment completion message to the terminal in cooperation with the network segment controller corresponding to the network segment identifier;
and the terminal is used for receiving the paging request sent by the radio access network control device, acquiring the network fragment identifier of the communication connection to be established, carrying the network fragment identifier of the communication connection to be established in the connection establishment request, and sending the network fragment identifier to be established to the radio access network control device.
17. The system of claim 16,
the terminal is specifically configured to acquire a service type to be communicated according to the paging request, and acquire a network fragmentation identifier corresponding to the service type; or,
and if the paging request carries a network fragment identifier, acquiring the network fragment identifier carried in the paging request.
18. The system of claim 16,
the unified terminal information management device is further configured to receive a first terminal state update message sent by the network segment controller, and update the state information of the terminal according to the first terminal state update message, where the state information includes: and returning a first terminal state updating confirmation to the network fragment controller by the network fragment identifier corresponding to the network fragment controller and the communication state information of the terminal.
19. The system of claim 16,
the unified terminal information management device is further configured to receive a second terminal status update message sent by a new radio access network control device when a radio access network control device of the terminal changes, and update the status information of the terminal according to the second terminal status update message, where the status information includes: and the identification information of the radio access network control device accessed by the terminal returns a second terminal state updating confirmation to the new radio access network control device.
20. The system of claim 16,
the unified terminal information management device is further configured to receive a third terminal state update message sent by the terminal when the paging domain of the terminal changes, and update the state information of the terminal according to the third terminal state update message, where the state information includes: and paging the domain identifier, and returning a third terminal state updating confirmation to the terminal.
21. The system of claim 16,
the unified terminal information management device is further configured to delete the identifier information of the radio access network control device of the terminal if all network segment connection states of the terminal are idle states.
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| RU2754271C1 (en) * | 2021-03-10 | 2021-08-31 | Федеральное государственное казенное военное образовательное учреждение высшего образования Академия Федеральной службы охраны Российской Федерации | Method for preliminary targeted reconfiguration of the communication network, taking into account the assessment of the awareness of the source of information and technical impacts on the structure of the communication network |
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| CN111510923A (en) | 2019-01-31 | 2020-08-07 | 华为技术有限公司 | Communication method, device and system |
| WO2020156488A1 (en) * | 2019-01-31 | 2020-08-06 | 华为技术有限公司 | Communication method, apparatus, and system |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210603 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |