WO2019137434A1 - 一种通信方法,设备及其系统 - Google Patents
一种通信方法,设备及其系统 Download PDFInfo
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- WO2019137434A1 WO2019137434A1 PCT/CN2019/071162 CN2019071162W WO2019137434A1 WO 2019137434 A1 WO2019137434 A1 WO 2019137434A1 CN 2019071162 W CN2019071162 W CN 2019071162W WO 2019137434 A1 WO2019137434 A1 WO 2019137434A1
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- paging
- indication information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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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
- H04W68/005—Transmission of information for alerting of incoming communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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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
- H04W68/08—User notification, e.g. alerting and paging, for incoming communication, change of service or the like using multi-step notification by increasing the notification area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Definitions
- the present application relates to the field of communications, and more specifically to a communication method, device, system thereof and the like.
- the base station In a next-generation mobile communication system, such as the 5th generation mobile communication technology (5G) system, the base station is called a gNB or an ng-eNB, wherein the ng-eNB is derived from long term evolution (long term)
- the evolved, LTE) base station (LTE eNB) subsequent evolved base station for convenience of description, the gNB is used herein to represent the base station.
- the system 100 shown in FIG. 1 is a schematic block diagram of a 5G system in which ng-eNB and ng-eNB are between gNB and gNB in a next generation radio access network (NG-RAN). Between, and between the gNB and the ng-eNB are interconnected through the Xn interface.
- NG-RAN next generation radio access network
- the gNB and the 5G core network (5G core, 5GC) devices are interconnected through the NG interface, and the ng-eNB and the 5GC device are interconnected through the NG interface.
- the 5GC device may be an access and mobility management function (AMF) or a user plane function (UPF).
- AMF access and mobility management function
- UPF user plane function
- the AMF is mainly responsible for access management functions
- the UPF is mainly responsible for the session ( Session) management aspects.
- the base station usually includes a radio resource control (RRC) layer, a service data adaptation protocol (SDAP) layer, a packet data convergence protocol (PDCP) layer, and a radio link control ( A radio link control (RLC) layer, a media access control (MAC) layer, and a logical layer (PHY) layer such as a physical layer (PHY).
- RRC radio resource control
- SDAP service data adaptation protocol
- PDCP packet data convergence protocol
- RLC radio link control
- MAC media access control
- PHY logical layer
- Next generation base stations e.g., gNBs
- 2 is a schematic block diagram of a 5G system including a 5GC and an NG-RAN.
- the base station gNB can be a centralized unit (CU) and a distributed unit (DU).
- the CU and DU architecture can be understood as splitting the functions of the base stations in the traditional access network.
- Some functions of the traditional base station are deployed in the CU, and other functions are deployed in the DU. Multiple DUs can share one CU to save costs. It is easy to expand the network, and the information exchange between the CU and the DU through the F1 interface.
- a gNB composed of a CU and a DU, it is a base station for other external network elements.
- the centralized unit CU can also be divided into a CU control plane (CU-CP) and a CU user plane (CU user plane, CU).
- CU-CP CU control plane
- CU user plane CU user plane
- -CP CU control plane
- the CU-CP is responsible for the control plane function, mainly including the RRC and PDCP control plane parts (PDCP-C).
- PDCP-C is mainly responsible for the encryption and decryption of the control plane data, integrity protection, and data transmission; the CU-UP is responsible for the user.
- the surface function mainly includes SDAP and PDCP-U.
- the SDAP is mainly responsible for processing the data of the core network and mapping the flow to the radio bearer.
- the PDCP-U is mainly responsible for encryption and decryption of the data plane, integrity protection, and header compression. , serial number maintenance, and data transfer.
- the CU-CP and the CU-UP are connected through the E1 interface, the CU-CP represents the gNB connected to the core network through the Ng interface, the CU-CP is connected to the DU through the F1-C (F1 control plane) interface, and the CU-UP passes the F1- U (F1 user plane) interface and DU connection.
- F1-C F1 control plane
- the CU-UP passes the F1- U (F1 user plane) interface and DU connection.
- Yet another design is that both PDCP-C and PDCP-C are at CU-UP and RRC is at CU-CP (not shown in Figure 3).
- the current paging procedure for the UE is not perfect, which may cause the paging UE to fail;
- the CU When the UE enters the inactive state, the CU notifies the DU to release the UE context of the UE, but the mechanism still has a defect;
- the present application provides a communication method, a device, a system, and the like, to solve the problem that a paging procedure for a terminal device existing in a CU-DU based base station architecture or a derivative architecture thereof is not perfect, and may cause a paging UE failure.
- an embodiment of the present application provides a communication method, where the communication method runs in a communication system, where the communication system includes a centralized unit and a distributed unit.
- the communication system includes a centralized unit and a distributed unit.
- the centralized unit CU sends a paging message to the distributed unit DU, where the paging message carries indication information indicating that the paging is based on a page generated by the core network or a paging generated based on the radio access network; the distributed unit Upon receiving the paging message, the indication information carried in the pageable message is learned that the paging is based on a page generated by the core network or the paging is based on a paging generated by the radio access network.
- the DU can be informed whether the received paging message is from the core network or from the RAN side (such as a page generated by the CU), so that the paging can be correctly broadcasted in the air interface.
- An optional design according to the first aspect includes: the indication information is information derived from the identity of the paged terminal device of the core network, and the indication information is used to indicate that the page is based on a page generated by the core network And being used to cause the distributed unit to know that the page is based on a page generated by the core network; or, the indication information is information of an identifier of a paged terminal device configured by the radio access network, then the indication Information is used to indicate that the page is based on a page generated by the radio access network and is used to cause the distributed unit to know that the page is based on a page generated by the radio access network.
- the paging is based on the core network generated by the information of the identifier of the paged terminal device originating from the core network carried in the paging message transmitted on the interface between the CU and the DU.
- the information of the identifier of the paged terminal device (or other information capable of identifying the terminal) configured by the radio access network side carried in the paging message transmitted on the interface between the CU and the DU may be represented.
- the page is based on a page generated by the radio access network.
- An optional design according to the first aspect comprises: the paging message further comprising information of the identity of the paged terminal device, or information capable of identifying the paged terminal device.
- the indication information carried in the paging message may be used to indicate or indicate that the paging involved is based on a page generated by the core network or the paging is based on a paging generated by the radio access network, and the distributed unit receives the After the indication information, it can be known that the paging involved is based on the paging generated by the core network or the paging involved is based on the paging generated by the radio access network, for example, if the indication information indicates or indicates the homing The paging is based on the paging generated by the core network, and the distributed unit may learn, according to the indication information, that the paging involved is based on a page generated by the core network; or if the indication information indicates or indicates the seeking The call is based on the paging generated by the radio access network, and after receiving the indication information
- An optional design according to the first aspect includes: the paging message includes information of the identity of the paged terminal device; the indication information indicates that the page is generated based on a page generated by the core network or based on a wireless access network Paging, the indication information is used to enable the distributed unit to learn that the paging is based on a page generated by the core network or the paging is based on a paging generated by the radio access network, including: the indication information indicates that the paging is The information indicating the identity of the paging terminal device is originated from the core network, and the indication information indicates that the paging is based on the paging generated by the core network, and is used to enable the distributed unit to learn that the paging is based on the core network.
- the generated paging; or the indication information indicates that the information of the identified identity of the paged terminal device is configured by the radio access network, the indication information indicates that the paging is based on a paging generated by the radio access network, and It is used to cause the distributed unit to know that the page is based on a page generated by the wireless access network.
- the paging message transmitted between the CU and the DU carries the indication information, and the CU can notify the information of whether the identifier of the UE carried in the PU paging message is from the core network or the RAN side. So that the DU can know whether the page originated from the paging generated by the core network or from the paging generated by the RAN side.
- An optional design according to the first aspect includes: the indication information includes: information of the identity of the paged terminal device originating from the core network or information of the identity of the paged terminal device configured by the radio access network; When the indication information includes the information of the identifier of the paged terminal device originating from the core network, the indication information indicates that the page is based on the page generated by the core network, and is used to enable the distributed unit to learn the information.
- the paging is based on the paging generated by the core network; or, when the indication information includes the information of the identifier of the paging terminal device configured by the radio access network, the indication information indicates that the paging is based on the wireless connection
- the incoming network generates a page and is used to cause the distributed unit to know that the page is based on a page generated by the wireless access network.
- the paging message between the CU and the DU may include two cells, one cell for carrying information of the identity of the paged terminal device originating from the core network, and another cell for carrying wireless information.
- the information of the identifier of the paged terminal device configured by the access network may optionally send the contents of the two cells when the method is executed.
- An optional design according to the first aspect includes the distributed unit having at least one of the following: a radio link control layer, a medium access control layer, and a physical layer; the centralized unit having at least one of the following: a radio resource control layer, a service data adaptation protocol layer, and a packet data convergence layer protocol layer; the distributed unit and the centralized unit belong to the radio access network, and are communication nodes in the radio access network; the distributed The unit and the centralized unit may constitute a base station in a logical sense.
- the embodiment of the present application provides a communication method, which is implemented in a communication system, to help solve the problem that the access control mechanism is imperfect and the system may be in error during the process of the UE accessing the network.
- the communication system includes a centralized unit and a distributed unit.
- an exemplary operation may be performed: the centralized unit rejects an access request of the terminal device; the centralized unit sends the indication information to the distributed unit; The indication information is used to indicate that the distributed unit needs to delete context information of the terminal device.
- An optional design according to the second aspect includes the indication information including: an indication of denying access by the terminal device and/or information rejecting the reason for access by the terminal device.
- An alternative design according to the second aspect includes the centralized unit receiving a notification message from the distributed unit regarding access to the terminal device.
- the present application provides a communication device, including: at least one processor and a communication interface, the communication interface is used for information interaction between the communication device and other communication devices, when the program instruction is in the at least one process When executed in the device, the communication device is enabled to implement the functions of the centralized unit or the distributed unit in the first or second aspect and its various alternative designs.
- the present application provides a computer program product having program instructions that, when executed directly or indirectly, are made in a first or second aspect and various alternative designs thereof The functions on a centralized unit or a distributed unit are implemented.
- the present application provides a computer program storage medium having program instructions, such as the first or second aspect and various optional thereof, when the program instructions are directly or indirectly executed.
- program instructions such as the first or second aspect and various optional thereof, when the program instructions are directly or indirectly executed.
- the functionality of the design on a centralized or distributed unit is achieved.
- the present application provides a chip system including at least one processor, such as the first or second aspect and various alternatives thereof, when program instructions are executed in the at least one processor
- the functionality of the design on a centralized or distributed unit is achieved.
- the present application provides a communication system comprising the communication device of the third aspect.
- FIG. 1 is a schematic block diagram of a 5G system provided by an embodiment of the present application.
- FIG. 2 is a schematic block diagram of a 5G system provided by an embodiment of the present application.
- FIG. 3 is a schematic block diagram of a 5G system according to an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of a communication system and method according to an embodiment of the present application.
- FIG. 5 is a schematic diagram of a communication system and method according to an embodiment of the present application.
- FIG. 6 is a schematic diagram of a communication system and method according to an embodiment of the present application.
- FIG. 7 is a schematic diagram of a communication system and method according to an embodiment of the present application.
- FIG. 8 is a schematic block diagram of a communication device according to an embodiment of the present application.
- first, “second” and the like in the present application are only intended to distinguish different objects, and “first” and “second” do not limit the actual order or function of the objects to which they are modified.
- first and “second” in “first indication” and “second indication” are merely meant to distinguish that the two are different indications, and “first” and “second” themselves are not The actual sequence or function is limited.
- the expressions “exemplary”, “example”, “such as”, “optional design” or “a design” appearing in the present application are merely used to denote examples, illustrations or illustrations. Any embodiment or design described in the application as “exemplary”, “example”, “such as”, “optional design” or “a design” should not be construed as The design is more preferred or more advantageous.
- upstream and downstream appearing in this application are used to describe the direction of data/information transmission in a specific scenario.
- uplink generally refers to the direction in which data/information is transmitted from the terminal device to the network side, or The direction in which the distributed unit transmits to the centralized unit
- downstream generally refers to the direction in which data/information is transmitted from the network side to the terminal device, or the direction in which the centralized unit transmits to the distributed unit.
- upstream and Downlink is only used to describe the transmission direction of data/information, and the specific starting and ending devices of the data/information transmission are not limited.
- the terminal device may include the following forms: user equipment (UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal , a wireless communication device, a user agent, or a user device.
- the terminal device can be a station in the WLAN (STAION, ST), which can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, and a personal digital processing.
- WLAN STAION, ST
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, in-vehicle device, wearable device, and next-generation communication system, for example, a terminal device in a 5G network or Terminal equipment in the future evolution of the Public Land Mobile Network (PLMN) network.
- PLMN Public Land Mobile Network
- the terminal device can also be a wearable device.
- a wearable device which can also be called a wearable smart device, is a general term for applying wearable technology to intelligently design and wear wearable devices such as glasses, gloves, watches, clothing, and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories.
- the terminal device can also be a terminal device in the Internet of Things (IoT) system.
- IoT Internet of Things
- Its main technical feature is to connect items to the network through communication technology, thereby realizing mutual interaction. Even, the intelligent network of physical interconnection.
- the terminal device uses the UE as an example to describe the solution in the embodiment, but it can be understood that the terminal device in the embodiment of the present application is not limited to the UE.
- the CU and the DU in the embodiment of the present application are also not limited to the NR gNB, and may also include the LTE base station being divided into CU and DU, or the CU is further divided into two parts, CP and UP.
- the protocol layer does not include an SDAP layer.
- the UE On the RAN side, the UE generally has an RRC-connected status (RRC-connected status) and an RRC-inactive status (RRC-inactive status), and may also have an RRC-inactive status.
- RRC-connected status RRC-connected status
- RRC-inactive status RRC-inactive status
- Three states When the UE is in an inactive state (for example, the terminal does not have uplink and/or downlink data transmission exceeds a set time), the base station may notify the UE to enter the RRC inactive state through an RRC message. After the UE accesses the cell, the base station establishes a corresponding UE context for the UE.
- the RRC state of the UE changes, the base station processes the UE context of the UE accordingly. For example, the UE transitions from the RRC connected state to the RRC idle state.
- the base station may release the UE context of the UE.
- the UE transitions from the RRC connected state to the RRC inactive state, one possible process is to maintain or suspend the UE.
- the UE context for example, keeps the UE context of the UE on the RAN side at the base station and/or the UE.
- the CU therein generally has an RRC layer with a function of managing the RRC state of the UE.
- RRC idle state and the RRC inactive state there are two cases of CN-based paging and RAN-based paging, respectively.
- the network side knows at the time that the UE is in the RRC idle state, and the network side also passes the core network-based paging. Paging the UE.
- the core network-based paging referred to herein may be regarded as a paging initiated by the core network, and the paging based on the radio access network referred to herein may be regarded as a paging initiated by the radio access network, such as a radio access network.
- For the core network based paging it is generally required to forward through the base station.
- One difference between the paging initiated by the core network and the paging initiated by the base station is that the originator of the paging is different. For the UE, it is necessary to distinguish whether the received page is based on a core network or a RAN based page.
- the UE's final discontinuous reception cycle may be: a UE-specific DRX cycle sent by the core network, and a default DRX cycle of the cell broadcast.
- a smaller value (which may also be a value corresponding to the smaller value obtained) is taken in (default DRX cycle).
- the final DRX cycle of the UE may be: the UE specific DRX cycle sent by the core network, and the RAN-side UE DRX cycle carried in the RRC message received by the UE and the default DRX cycle of the cell broadcast are smaller.
- the value (which can also be a value corresponding to the smaller value obtained).
- a special case is if the remaining DRX cycle does not exist, the remaining one or more DRX cycles take a smaller value.
- the paging message sent by the CU to the DU may carry the cell of the paging DRX, which may be the smaller of the following: UE specific CN DRX cycle and UE specific RAN DRX cycle.
- the paging message sent by the CU to the DU does not distinguish whether the paging is a paging originating from the CN or a paging originating from the RAN, nor how to handle the paging when the UE enters the RRC inactive state.
- the CU when the UE enters the inactive state, in general, the CU notifies the DU to release the UE context of the UE, but the mechanism still has defects, such as whether the DU can interfere with the CU's decision about releasing the UE context, and for example, the DU receives the release.
- the RRC connection release message sent by the CU to the UE has not been forwarded to the UE, and the UE has uplink data arrival (UL data arrival), for example, the UE sends a scheduling request to the base station (DU and/or CU). (scheduling request, SR) or buffer status report (BSR), which may cause system errors.
- SR scheduling request
- BSR buffer status report
- the UE requests to establish an RRC connection with the RAN.
- the DU or CU in the base station may reject the request of the UE to establish an RRC connection.
- the UE sends a message 3 (MSG3) to request to establish an RRC connection (which may be any of the new, restored, or reestablished RRC connections), and the DU sends the RRC message in the MSG3 to the CU, and the MSG3 carries the UE for the UE.
- MSG3 message 3
- the RRC information includes the layer 1 (L1) and/or layer 2 (L2) parameters of the signaling radio bearer 1 (SRB1) configured by the DU, for example, the RRC information in the NR includes a cell group. Configure CellGroupConfig. If the CU receives the DU to CU RRC information sent by the DU, it determines that the DU allows the UE to access, otherwise it considers that the DU does not allow the UE to access.
- the CU may perform admission control on the access of the UE. For example, if the CU rejects the UE accessing the RAN, the CU may send a response to the UE, where the response is directed to the UE.
- the RRC message carried in the MSG3 sent by the base station is made, and the response is used to indicate that the UE desires to establish an RRC connection is rejected.
- the RRC message is sent to the DU in the RRC Container carried in the MSG3, but the DU does not analyze whether the content in the RRC Container accepts the RRC connection setup request or rejects the RRC connection setup request.
- the DU will establish a protocol stack entity (such as an RLC entity, a logical channel of the MAC, etc.) for transmitting the SRB1 for the UE, and
- the UE establishes a context, where the context of the UE includes a C-RNTI of the UE, an F1 interface ID (for example, a DU UE F1AP ID and/or a CU UE F1SP ID); in addition, the DU or the CU may also be a subsequent RRC message of the UE ( For example, MSG5) performs scheduling.
- the first case includes: the DU starts a timer after sending the message 3.
- the DU After the timer expires, the DU still does not receive the UE context setup request message sent by the CU, and the DU The relevant configuration and UE context can be deleted.
- the second case includes: the DU reads the type of the RRC message included in the msg3, determines whether the CU rejects according to the RRC message type, or rejects the RRC connection/reconstruction/recovery request initiated by the UE, thereby determining whether to delete the DU.
- the configuration and/or the context of the UE In the first case, if the timer is not set properly, it will cause a system error.
- the DU receives the UE context setup request message sent by the CU again.
- the DU has been deleted.
- the configuration and/or UE context will result in unsuccessful UE context establishment.
- the assumption that the RRC layer is in the CU in the 5G RAN system is not met.
- the CU rejects the UE access, the CU needs to display the indicated DU, so that the DU deletes the above configuration and the UE context.
- the embodiment of the present application provides a communication system and a method for operating the same, to solve the problem that the paging mechanism based on the CU-DU architecture is imperfect, for example, when paging a UE in an RRC inactive state, The paging mechanism can lead to system errors.
- the CU provides indication information to the DU, and the indication information is used to indicate that a page is a core network based paging and/or a RAN based paging, so that the DU
- the UE can be informed and informed that the page is a core network based paging or a RAN based paging.
- system 400 includes CUs, DUs, and UEs, where CUs and DUs are functional nodes in the RAN architecture.
- System 400 can operate in the following exemplary manner:
- Operation 401 The CU sends indication information for indicating a paging type to the DU.
- the indication information for indicating the type of the paging may be generated by the CU, and the indication information of the paging type may be carried in a paging message sent by the CU to the F1 application protocol (F1AP) of the DU.
- F1AP F1 application protocol
- the indication information for indicating the paging type is information of the identifier of the paged UE originating from the core network, and the indication information is used to indicate that the paging involved is based on a page generated by the core network, and used to enable the distributed unit to learn that the page is based on a page generated by the core network; or, the indication information is information of the identity of the paged UE configured by the radio access network, The indication information is then used to indicate that the page is based on a page generated by the wireless access network and is used to cause the distributed unit to know that the page is based on a page generated by the wireless access network.
- the indication information may be referred to as a resume ID, or other identifier information derived based on the recovery identifier, where the recovery identifier may be used in an RRC inactive state.
- the UE may also be used to indicate that the paging involved is based on RAN-based paging, and the recovery identifier may also be used to acquire the context of the UE.
- an exemplary implementation includes: the paging message of the F1AP sent by the CU to the DU may carry the UE Identity Index value and the UE Paging identity.
- Information element IE
- the UE Identity Index value may be a UE_ID
- the UE paging identifier of the core network in the NR system may be other names, and no limitation is imposed herein.
- the above two values can be used to calculate a paging frame (PF) and a paging occasion (PO).
- the identity information of the UE (such as the paging identifier of the UE) provided by the CU to the DU is originated from the core network, and the paging identifier information of the UE is The core network S-TMSI and/or the IMSI may be; when the paging is based on the RAN-based paging, the paging identifier information of the UE provided by the CU is a resume ID or a RAN in the RAN. Information generated by the side for the UE identity of the paging procedure.
- the UE paging identifier may be actively provided by the DU to the CU, or sent to the CU based on the CU request.
- the DU identifies, according to the preset configuration, information about the paging identifier of the UE generated by the core network (for example, the core network TMSI or IMSI), or the paging identifier information of the UE generated on the RAN side (for example, Is the resume ID or a message generated on the RAN side for the UE identity of the paging procedure).
- the DU may determine a discontinuous reception period of the UE according to the paging type.
- the determining that the final discontinuous reception period of the UE by the DU may include: a UE-specific DRX period sent by the core network, and a smaller default DRX period of the cell broadcast.
- the value (which can also be a value corresponding to the smaller value obtained).
- the DU determines that the UE's final DRX cycle may include: the UE specific DRX cycle sent by the core network, and the RAN side UE carried in the RRC message received by the UE.
- the DRX cycle and the default DRX cycle of the cell broadcast take a smaller value (which may also be a value corresponding to the smaller value obtained).
- One possibility is that if one of the individual DRX cycles does not exist, the remaining one or more DRX cycles take a smaller value.
- the DU may optionally send the indication information for indicating the paging type to the UE in operation 402.
- the information of the paging identifier of the UE may be placed.
- the broadcast paging message (such as carried in the cell PagingRecord) is broadcast in the air interface, and/or the indication is carried in the broadcast paging message to the UE to enable the UE to know that the paging is based on the paging generated by the RAN side. It is also based on the paging generated by the CN.
- the UE may determine whether to be based on a paging of the core network or a paging based on the radio access network based on the indication. Similar to the DU, the UE can determine the final discontinuous reception period according to the paging type.
- an alternative design operation 401 2 comprising: transmitting a paging message to the DU CU includes information identifying the paged UE; it is, for indicating when the paging indication information indicates the type of paging is directed Based on the paging generated by the core network or the paging generated based on the radio access network, the indication information is used to cause the DU to know that the paging involved is based on a page generated by the core network or the paging is generated based on the radio access network.
- the specific process of paging including:
- the indication information indicates that the information of the identifier of the paged UE is from the core network, it indicates that the page is based on a page generated by the core network, and the indication information is used to enable the DU to know that the page involved is Based on the paging generated by the core network; or, the indication information indicates that the information of the identifier of the paged UE is configured by the radio access network, indicating that the paging is based on a paging generated by the radio access network, and the indication information is Used to cause the DU to know that the page is based on a page generated by the radio access network.
- the CU may set the displayed cell to indicate, in addition to the UE Paging identity cell, the F1AP paging message sent by the DU, for example, the indication may be a RAN based Paging indication.
- the indication may be a CN based Paging indication.
- the indication is 0, the paging is based on a paging generated by the radio access network, and when the indication is 1, the paging is based on the core network. Generated pages.
- the indication information for indicating the paging type includes: information of the identifier of the paged terminal device originating from the core network or the paging terminal device configured by the radio access network. Identification of the information.
- two information cells may be set in the indication information, where one cell is used to carry the information of the identifier of the paged terminal device originating from the core network, and another cell is used to carry the radio access network configuration. The information of the identified identity of the terminal device, but when the indication information is sent, the information carried by the two cells may be sent.
- the indication information when the indication information includes information of an identifier of a paged terminal device originating from a core network, the indication information indicates that the page is based on a page generated by the core network, and is used for Having the distributed unit knowing that the paging is based on a page generated by the core network; or, when the indication information includes information of an identifier of a paged terminal device configured by a radio access network, The indication information indicates that the page is based on a page generated by the radio access network and is used to cause the distributed unit to learn that the page is based on a page generated by the radio access network.
- one of the paging messages of the F1AP sent by the CU to the DU carries the identification information of the UE configured on the CN side, indicating that the paging is based on the paging generated by the CN side, or is sent to the DU through the CU.
- the other cell in the paging message of the F1AP carries the ID information of the UE configured on the RAN side, indicating that the paging is based on the paging generated by the RAN side.
- the paging message sent by the CU to the F1AP of the DU includes the UE paging identifier, and the UE Paging identity may carry the UE allocated by the CN side.
- Identification information if it is based on RAN-based paging, the paging message sent by the CU to the F1AP of the DU includes the newly set cell, for example, the cell is a UE radio access network paging.
- the UE Paging Identity for RAN based Paging
- the cell may carry the identifier information of the UE allocated by the RAN side.
- a new IE may be separately set in the F1AP paging message sent by the CU to the DU, and the new IE is used to enable the CU to provide the resume ID or the information of the UE identity generated by the RAN side for the paging process.
- the new IE may be UE Paging Identity for RAN based paging.
- the DU may select the received resume ID or the information of the UE identifier generated by the RAN side for the paging process.
- the UE Paging Identity for RAN based paging is sent to the UE in the paging message broadcasted by the air interface (for example, in the PagingRecord), or carries an indication in the broadcast paging message to the UE to enable the UE to learn the The paging is based on whether the paging generated by the RAN side or the paging generated by the CN.
- an indication of whether or not the RAN based paging can be given in the PagingRecord for example, 0 indicates CN based paging, and 1 indicates RAN based paging.
- the operation 402 is enabled to perform the DU to transmit indication information for indicating the paging type to the UE.
- the operation 401 is an optional operation, that is, the CU may not send the indication information of the paging category to the DU, and the specific paging type is determined by the DU.
- the identification information of the UE originating from the core network may be used between the CU and the DU, but the DU is in the air interface to the CN based paging and the RAN based paging. The situation is differentiated.
- the broadcast paging message sent by the DU carries an indication of whether it is RAN based paging.
- the indication bit when the value of the bit is 0, indicates that the page is CN based paging, and when the value of the bit is 1, it indicates that the page is RAN based paging. It can be understood that the meaning of the specific value may be different. For example, when the value of the bit is 1, it indicates that the paging is CN based paging. When the value of the bit is 0, the paging is RAN. Based paging.
- the CU in the system 400 can be further divided into a CP and an UP according to the manner of FIG. 3.
- the functions of the foregoing CU in the system 400 can be implemented by the CP, of course, in the system 400.
- the functions of the aforementioned CU can also be implemented in UP.
- the information about the identity of the UE configured on the RAN side in any of the foregoing designs may also be other information that can be used to identify the UE that is configured on the RAN side, as long as the related information of the configured UE can identify the UE, or Helps find the context of the UE or helps identify the type of paging for that UE.
- the RAN side configuration that is, the CU in the RAN side performs the configuration, or the DU performs the configuration, or the CU and the DU complete the configuration through negotiation, for example, initiated by the RAN side.
- Paging by the CU or by the DU or by the CU in conjunction with the DU, to configure the paging with a message capable of identifying the UE, to help identify that the type of the paging is initiated by the core network on the DU side. Still on the radio access network initiated paging.
- the embodiment of the present application further provides a communication system and a method for operating the same, to help solve the problem that the CU notifies the DU to release the UE context of the UE when the UE enters the inactive state. Defects.
- the system 500 has CUs and DUs that, when the system 500 is running, exchange messages between the CUs and the DUs to perform the following exemplary method 500:
- the CU sends a message for releasing the UE context to the DU, for example, the message may be a UE context release message, and the message includes a reason value indicating that the UE enters the RRC inactive state (UE enter into inactive).
- the CU sends a message to the UE to release the UE context, for example, the message may be a UE context release message, where the message may be sent to the UE for releasing the RRC connection, for example, RRC connection release message; or the CU may also carry an RRC connection release in another F1AP message, such as a DL RRC message transfer message, which may also include a cause value (eg, UE enter into inactive) and / Or RRC message type.
- the UE can learn that the UE enters the RRC inactive state, so the context of the UE is released.
- the DU learns that the UE enters the RRC inactive state, reserves the UE context, and suspends the wireless signaling and/or the wireless data bearer.
- An optional design includes: for a scenario in which an uplink data arrival (UL data arrival) occurs: when the DU has not forwarded the RRC release message sent by the CU to the UE, the SR/BSR sent by the UE is received, and the DU learns the UL data arrival.
- the DU notifies the CU to refuse to release the UE context.
- the notification message includes a cause value of UL data arrival.
- the information that the DU can be carried to determine the UE to enter the inactive state, and the implementation manner of the notification message may be an active/inactive indication, or an indication that the inactive timer expires.
- the DU sends a notification message to notify the CU UE to enter the inactive state, and has not received the CU reply, and finds that there is uplink data arrival (UL data arrival), the DU notifies the CU of the situation (ie, UL data arrival), so that the CU can make the timely
- the correct decision for example, the CU can decide that the UE cannot enter the RRC inactive state.
- An optional design includes: for a scenario in which DL data arrival occurs: after the CU sends a UE context release and/or an RRC release message to the DU, a downlink data arrival (DL data arrival) occurs, optionally The CU determines that the DU may have not released the UE context and/or forwards the RRC release message. Optionally, the CU sends a UE context release cancel message and/or a DL RRC message transfer cancel message to the DU, where the message includes the cause value.
- the message may further include at least one of paging information (for example, resume ID, paging DRX, UE Identity Index value, Paging priority, and UE paging identity, or three operations of the foregoing operation 401).
- paging information for example, resume ID, paging DRX, UE Identity Index value, Paging priority, and UE paging identity, or three operations of the foregoing operation 401).
- an optional design includes: the CP (CU-CP) in the CU sends a UE context release message to the DU and/or the UP (CU-UP) in the CU, and the message includes the reason.
- the CU-CP may also carry an RRC connection release in another F1AP message, such as a DL RRC message transfer message, and the message may also include a reason value of the UE enter into inactive or an RRC message type.
- the subsequent DU receives the UE context release message sent by the CU, and it can be presumed that the UE needs to release the UE context because the UE enters into inactive.
- An optional design includes: for the case of uplink data arrival (UL data arrival): reference can be made to the description of the foregoing CU-DU architecture, and the function of the CU can be implemented in the CP.
- An optional design includes: for the occurrence of downlink data arrival (DL data arrival): assuming that the CU-UP notifies the CU-CP that the UE is in an inactive state, the CU-UP can provide the timer to the time through the CU-CP. It is determined whether the UE enters an inactive state. If the CU-UP has not received the indication that the UE sent by the CU-CP has entered the inactive state or the UE context release, then:
- Optional operation 1 The CU-UP sends a DL data arrival indication to the CU-CP, for example, the E1 interface UE identifier, such as gNB-CU-UP UE E1APID, DL data arrival indication, etc., is included in the E1 interface message.
- the subsequent operations may refer to the description of the foregoing CU-DU architecture, and the function of the CU is implemented in the CU-CP.
- the CU-CP notifies the DU and knows that the UE has not entered the inactive state, the CU-CP notifies the CU-UP that the downlink data DL data can be sent to the DU.
- Optional operation 2 The CU-UP directly sends the DL data arrival indication or the downlink data DL data to the DU. If the DU receives the DL data arrival or the DL data, the RRC connection release message is cancelled and sent to the UE. Optionally, the DU notifies the CU. - The CP does not release the UE context or the UE does not enter the inactive state, and the notification message may also include a DL data arrival indication.
- An optional design includes the CU monitoring the downlink transmission status, and the DU monitoring the uplink transmission status and reporting the uplink transmission status to the active/inactive to the CU.
- the timer may be used when the DU determines the uplink transmission state. The timer may be set by the DU itself, or the CU may provide a timer to the DU.
- the DU reports the uplink transmission status, it can follow the UE granularity, PDU session granularity, slice granularity, or DRB granularity.
- the DU may report, for example, a UE identity and an active/inactive indication.
- the DU may report, for example, the UE identity, the PDU session identifier/slice identifier/DRB identifier, and the active/inactive state of the corresponding PDU session/slice/DRB.
- the timer may also be PDU session/slice/DRB granularity, that is, each PDU session identifier/slice identifier/DRB identifier corresponds to a timer.
- An optional design includes the DU monitoring the uplink transmission status and the downlink transmission status, and reporting the uplink transmission status and the downlink transmission status to the CU.
- the timer can be directed to the uplink and to the downlink. Either the uplink timer is for uplink transmission and the downlink timer is for downlink transmission.
- the timer may be set by the DU itself, or the CU may provide a timer to the DU.
- the DU reports the uplink transmission state, it may be according to the UE granularity, the PDU session granularity, the slice granularity, or the DRB granularity.
- the DU reports the downlink transmission status, it can also follow the UE granularity, PDU session granularity, slice granularity, or DRB granularity.
- the embodiment of the present application further provides a communication method, where the communication method runs in a communication system, where the communication system includes a centralized unit and a distributed unit.
- the following exemplary operations can be performed: centralized The unit rejects the access request of the terminal device; the centralized unit sends the indication information to the distributed unit; the indication information is used to indicate that the distributed unit needs to delete the context information of the terminal device.
- the optional design includes: the indication information includes: an indication of denying access by the terminal device and/or information rejecting the reason for access by the terminal device.
- An optional design includes: the centralized unit receives a notification message sent by the distributed unit about allowing the terminal device to access.
- the embodiment of the present application provides a communication system and method 600, where the system includes three network nodes: a CU, a DU, and a UE, where the CU and the DU constitute a base station system.
- the system and method 600 includes:
- Optional operation 601 The UE sends a message 3 to the base station system.
- the message 3 may contain an RRCConnectionRequest, or an RRCConnectionResumeRequest (or may be other similar messages, the message name may be different), or an RRCConnectionRestablishmentRequest.
- Optional operation 602 The DU sends a message 3 to the CU.
- the DU sends a CU-DU interface message, such as an F1AP message, to the CU, where the F1AP message may include the message 3 of the UE.
- the foregoing F1AP message may further include a container of the DU to the CU, where the L1/L2 configuration of the SRB1 carrying the UE, for example, the cell group configuration CellGroupConfig.
- the foregoing F1AP message may be an Initial UL RRC Message.
- the DU determines whether the access of the UE is allowed.
- the F1AP message includes the container for the CU to the CU, for example, DU to CU RRC information, which includes the cell group configuration; otherwise, if the DU does not If the access of the UE is allowed, the F1AP message does not include the container of the DU to the CU.
- the CU can know whether the DU allows access by the UE.
- the CU may reply to the message 4 (the process is optional operations 603 and 604 as shown in FIG. 6).
- the CU determines whether the access of the UE is allowed. If the access of the UE is denied, the message 4 includes an RRC message corresponding to the content of the message 3, indicating that the UE is denied access, such as RRCConnectionReject, RRCConnectionReestablishmentReject.
- the CU sends an F1AP message to the DU, where the acknowledgment indication and/or the refusal cause value is used to notify the DU, and the CU rejects the access of the UE, thereby triggering the DU to delete the context of the UE (as shown in FIG.
- the action of deleting the context of the UE by the DU includes at least one of the following: the DU releases the C-RNTI/Temp CRNTI allocated for the UE, the DU releases the resource reserved for the UE, and the DU deletes the L1/L2 of the UE. Configure, and the DU releases the DU UE F1AP ID assigned to the UE.
- the foregoing F1AP message is DL RRC Message Transfer.
- the reason that the CU decides to reject the access of the UE may be a DU rejection, or the CU rejects itself.
- a possible situation is that if the CU knows that the DU rejects the access of the UE, the CU does not need to send a reject indication to the DU; optionally, if the CU knows that the DU allows the UE to access, and the CU does not allow the UE to access, The CU needs to send a reject indication to the DU, thereby notifying the DU to delete the context of the UE.
- the embodiment of the present application provides a communication system and method 700, where the system includes three network nodes: a CU, a DU, and a UE, where the CU and the DU constitute a base station system.
- the operation of the system and method 700 helps to solve the problem that the access control mechanism is imperfect and the system is faulty when the UE accesses the network in the prior art.
- one example of the operation of the system and method 700 includes:
- Optional operation 701 The UE sends a message 3 to the base station system.
- the message 3 may contain an RRCConnectionRequest, or an RRCConnectionResumeRequest (or other similar message, the name may be different), or an RRCConnectionRestablishmentRequest.
- Optional operation 702 The DU sends a message 3 to the CU. After receiving the above message 3 sent by the UE, the DU sends the message 3 to the CU.
- the DU sends an F1AP message to the CU, where the F1AP message includes the message 3 of the UE.
- the foregoing F1AP message further includes a container of the DU to the CU, where the L1/L2 configuration of the SRB1 of the UE is carried.
- the foregoing F1AP message may be an Initial UL RRC Message.
- the DU informs the CU whether to allow access by the UE.
- the DU determines whether the access of the UE is allowed, and if so, the container of the CU is included in the F1AP message; otherwise, if the DU does not allow access by the UE, the F1AP message is not Contains the container for the DU to the CU.
- the CU can know whether the DU allows access by the UE.
- Optional operation 703 After receiving the message 3 sent by the UE, the CU replies to the message 4 to the UE.
- the CU determines whether the access of the UE is allowed. If the access of the UE is denied, the message 4 may include an RRC message corresponding to the content in the message 3, indicating that the UE is denied access, such as RRCConnectionReject, RRCConnectionReestablishmentReject.
- the CU sends an F1AP message to the DU, where the message 4 is carried.
- the above F1AP message may be DL RRC Message Transfer.
- the CU sends a reject indication and/or a reject cause value to the DU, to notify the DU to delete the context of the UE.
- the CU sends an F1AP message to the DU, where the refusal indication and/or the rejection reason value are included.
- the F1AP message is a UE Context Release.
- the action of deleting the context of the UE by the DU includes at least one of the following: the DU releases the C-RNTI/Temp CRNTI allocated to the UE, the DU releases the resource reserved for the UE, and the DU deletes the L1/L2 configuration of the UE. And the DU releases the DU UE F1AP ID assigned to the UE.
- the reason that the CU determines to reject the access of the UE may be at least one of the following: the DU rejects the UE access, and the CU side rejects the UE access by itself.
- the CU knows that the DU rejects the access of the UE, the CU does not need to send a reject indication to the DU; if the CU knows that the DU allows the UE to access, and the CU does not allow the UE to access, the CU needs to A rejection indication is sent to the DU, thereby informing the DU to delete the context of the UE.
- the CU-UP can be physically deployed separately from the CU-CP and the DU, or can be deployed in a centralized manner.
- any of the designs shown above may be understood as a technical solution designed for a specific scenario or a specific technical problem, but it is not necessary to implement the technical content described in the present application, and any one of the designs may be required according to needs. Implemented in conjunction with other designs to more specifically address specific objective technical issues.
- the distributed unit DU has the functions of the RLC, MAC, and PHY protocol layers
- the centralized unit CU has the functions of the RRC, SDAP, and/or PDCP protocol layers
- the DU and CU The protocol layers that are formed together constitute the RRC, SDAP, PDCP, RLC, MAC and PHY or RRC, PDCP, RLC, MAC and PHY protocol layer architecture settings that the base station has.
- RRC Secure Digital Access
- PDCP Radio Resource Control Protocol
- RLC radio link control protocol
- MAC and PHY protocol layer architecture settings that the base station has.
- the DU has a MAC and a PHY
- the CU has RRC, SDAP, PDCP and RLC or RRC, PDCP and RLC, where Not limited.
- the DU can be physically integrated with the radio system as two parts of a communication device, and the DU and CU can also be physically part of a communication device to integrate the two, or The RF system and the DU and CU can also be physically part of the same network node so that the three can be integrated.
- the hardware platform having the processor and the communication interface can execute program instructions to respectively implement any of the foregoing embodiments in the present application.
- the function involved in the design, based on this, as shown in FIG. 8 the embodiment of the present application provides a schematic block diagram of a communication device 800, where the communication device 800 includes:
- At least one processor 801 optionally including a communication interface 802 for supporting communication interaction between the communication device 800 and other devices; when the program instructions are executed in the at least one processor 801, the foregoing embodiment of the present application
- the functionality of any of the following devices operating on any of the following devices is implemented: UE, CU, DU, CP, and UP.
- the communication device 800 may further include a memory 803 for storing program instructions necessary for implementing the above-described device functions or process data generated during program execution.
- the communication device 800 can also include an internal interconnecting line to implement communication interaction between the at least one processor 801, the communication interface 802, and the memory 803.
- the at least one processor 801 can be implemented by a dedicated processing chip, a processing circuit, a processor, or a general purpose chip.
- a dedicated circuit/chip may be provided in the at least one processor.
- the implementation can also be implemented by using a general-purpose processor provided in the at least one processor 801 to execute a program instruction related to a PHY function, an F1 port or an E1 port communication function; for example, the embodiment of the present application relates to a MAC in the device.
- the at least one processor 801 may comprise a communication processing chip, by performing MAC layer, RLC layer, PDCP layer, SDAP layer and RRC layer.
- the relevant functions of the program instructions are implemented. It can be understood that the various methods, processes, operations or steps involved in the embodiments of the present application can be combined in one-to-one correspondence by computer software, electronic hardware, or a combination of computer software and electronic hardware. A corresponding implementation. Whether these functions are executed in hardware or software depends on the specific application and design constraints of the technical solution. For example, considering the generality, low cost, low hardware and software decoupling, etc., it can be implemented by means of executing program instructions, for example. Considering system performance and reliability, it can be implemented using dedicated circuits. A person skilled in the art can use different methods for implementing the described functions for each specific application, which is not limited herein.
- the communication interface 802 generally has the function of performing information interaction between two communication peers.
- the communication interface may be designed as an interface circuit or include the same.
- the hardware module of the interface circuit supports the wired form communication interaction between the communication peers.
- the F1 port between the DU and the CU involved in the present application and the communication function of the E1 port between the CP and the UP can be adopted.
- This type of interface design for the case where the wireless communication information interaction is performed between the communication peers, the communication interface may be an interface circuit having a radio frequency transceiving function, or a hardware system including the interface circuit having the radio frequency transceiving function.
- the communication interface of the DU and the UE can adopt this design.
- the CU, DU, the CP, or the UP can also be implemented by directly or indirectly executing the implementation program instructions of the embodiment related design by using a general hardware platform (having processing resources and storage resources). Or the function of UP in each design of the embodiment of the present application.
- An actual deployment method may be that the CU, the CP, or the UP may be close to the core network device, or may be deployed cooperatively, and may be physically separated or combined; the functions of the CU, CP, or UP may also be used as part of the core network device.
- the embodiment of the present application further provides a computer program product having program instructions, when the program instructions are directly or indirectly executed, for example, when executed in the communication device 800 in the foregoing embodiment,
- the functions of any of the following devices in any of the design embodiments are implemented: UE, CU, CP, UP, and DU.
- the program instructions may be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the program instructions may be from a website site, a computer
- the server or data center is transported to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line) or wireless (eg, infrared, wireless, microwave, etc.).
- a program instruction When a program instruction is executed, considering that a specific network device generally includes a hardware layer, an operating system layer and/or an intermediate layer running on the hardware layer, when program instructions related to the embodiment of the present application are executed, The invocation and execution of layer software, so the program instructions can be an indirect execution process in a hardware device (general purpose processing circuit or dedicated processing circuit).
- the embodiment of the present application further provides a chip system, the chip system including at least one processor, when program instructions are executed in the at least one processor, such that the design is as described in the first aspect and any of the The functions on any of the following devices are implemented: UE, CU, DU, CP, and UP.
- the present application also provides the following embodiments. It should be noted that the numbering manner of the following embodiments is not based on the numbering manner of the foregoing embodiments.
- Embodiment 1 A communication method includes: a centralized unit sends a paging message to a distributed unit, where the paging message carries a page indicating that the paging is generated based on a core network or the paging is based on The indication information of the paging generated by the radio access network;
- the indication information is used to cause the distributed unit to learn that the page is based on a page generated by a core network or that the page is based on a page generated by a wireless access network.
- Embodiment 2 The communication method as described in Embodiment 1, comprising: the indication information is information originating from an identifier of a paged terminal device of a core network, and the indication information is used to indicate that the paging is And generating, according to the paging generated by the core network, the distributed unit, that the paging is based on a page generated by the core network; or the indication information is configured by a radio access network Paging information identifying the terminal device, the indication information being used to indicate that the page is based on a page generated by the radio access network, and used to cause the distributed unit to learn the page It is based on a page generated by the radio access network.
- Embodiment 3 The communication method according to Embodiment 1, wherein the paging message further includes information of an identifier of the paged terminal device; the indication information indicates that the paging is based on a page generated by a core network or The paging is based on a paging generated by a radio access network, the indication information being used to cause the distributed unit to learn that the paging is based on a page generated by a core network or the paging is based on a wireless connection
- the paging generated by the network includes: the indication information indicates that the paging is based on a page generated by the core network, and is used to enable the distributed unit to learn that the paging is based on the core network Generating a page; or, the indication information indicates that the page is based on a page generated by the radio access network, and is used to cause the distributed unit to learn that the page is based on the wireless connection The page generated by the network.
- Embodiment 4 The communication method as described in Embodiment 1, wherein the paging message further includes information of an identifier of the paged terminal device; the indication information indicates that the paging is based on a page generated by a core network or The paging is based on a paging generated by a radio access network, the indication information being used to cause the distributed unit to learn that the paging is based on a page generated by a core network or the paging is based on a wireless connection
- the paging generated by the network includes: the indication information indicates that the information of the identifier of the paged terminal device originates from a core network, and the indication information indicates that the paging is based on a page generated by the core network. And being used to cause the distributed unit to learn that the paging is based on a page generated by the core network; or,
- the indication information indicates that the information of the identifier of the paged terminal device is configured by the radio access network, and the indication information indicates that the paging is based on a paging generated by the radio access network, and is used Having the distributed unit know that the page is based on a page generated by the wireless access network.
- Embodiment 5 The communication method as described in Embodiment 1, wherein the indication information includes: information of an identifier of a paged terminal device originating from a core network or an identifier of a paged terminal device configured by a radio access network Information; when the indication information includes information of an identifier of a paged terminal device originating from a core network, the indication information indicates that the page is based on a page generated by the core network, and is used for Having the distributed unit knowing that the paging is based on a page generated by the core network; or, when the indication information includes information of an identifier of a paged terminal device configured by a radio access network, The indication information indicates that the page is based on a page generated by the radio access network and is used to cause the distributed unit to learn that the page is based on a page generated by the radio access network.
- Embodiment 6 A communication method, comprising: a distributed unit receiving a paging message from a centralized unit, the paging message carrying a page indicating that the paging is based on a core network or the paging Is the indication information of the paging generated by the radio access network; the distributed unit is configured to learn, according to the indication information, that the paging is based on a paging generated by a core network, or the paging is generated based on a radio access network. Paging.
- Embodiment 7 the communication method as described in Embodiment 6, comprising: the indication information is information derived from an identifier of a paged terminal device of the core network, and the indication information is used to indicate that the paging is Based on the paging generated by the core network, the distributed unit learns, according to the indication information, that the paging is based on a page generated by the core network; or, the indication information is a configuration of a radio access network configuration. Paging information of the identifier of the terminal device, wherein the indication information is used to indicate that the paging is based on a page generated by the radio access network, and the distributed unit learns the paging according to the indication information It is based on a page generated by the radio access network.
- Embodiment 8 The communication method according to Embodiment 6, wherein the paging message further includes information of an identifier of the paged terminal device; the indication information indicates that the paging is based on a page generated by a core network or The paging is based on a paging generated by the radio access network, and the distributed unit learns, according to the indication information, that the paging is based on a paging generated by a core network, or the paging is generated based on a radio access network.
- the paging includes: the indication information indicates that the paging is based on a page generated by the core network, and the distributed unit learns, according to the indication information, that the paging is based on the core network generated Or the indication information indicates that the paging is based on a paging generated by the radio access network, and the distributed unit learns, according to the indication information, that the paging is generated based on the radio access network. Paging.
- Embodiment 9 The communication method as described in Embodiment 6, wherein the paging message further includes information of an identifier of the paged terminal device; the indication information indicates that the paging is based on a page generated by a core network or The paging is based on a paging generated by the radio access network, and the distributed unit learns, according to the indication information, that the paging is based on a paging generated by a core network, or the paging is generated based on a radio access network.
- the paging includes: the indication information indicates that the information of the identifier of the paged terminal device is derived from a core network, and the indication information indicates that the paging is based on a page generated by the core network,
- the distributed unit learns, according to the indication information, that the paging is based on a page generated by the core network; or, the indication information indicates that the information of the identifier of the paged terminal device is configured by the radio access network, And the indication information indicates that the paging is based on a paging generated by the radio access network, and the distributed unit learns, according to the indication information, that the paging is based on a paging generated by the radio access network. .
- Embodiment 10 The communication method as described in Embodiment 6, wherein the indication information includes: information of an identifier of a paged terminal device originating from a core network or an identifier of a paged terminal device configured by a radio access network Information; when the indication information includes information of an identifier of a paged terminal device originating from a core network, the indication information indicates that the paging is based on a page generated by the core network, the distributed Determining, according to the indication information, that the paging is based on a page generated by the core network; or, when the indication information includes information of an identifier of a paging terminal device configured by a radio access network, The indication information indicates that the paging is based on a page generated by the radio access network, and the distributed unit learns, according to the indication information, that the paging is based on a page generated by the radio access network.
- Embodiment 11 A communication method, comprising: a centralized unit rejecting an access request of a terminal device; the centralized unit sending indication information to the distributed unit; the indication information is used to indicate that the distributed unit needs to delete the The context information of the terminal device.
- Embodiment 13 The communication method as described in Embodiment 10 or 11, comprising: the centralized unit receiving a notification message sent by the distributed unit about allowing access by the terminal device.
- Embodiment 14 a communication method, including: in a case where an access request of a terminal device is rejected by a centralized unit,
- the distributed unit receives the indication information sent by the centralized unit; the indication information is used to indicate that the distributed unit needs to delete the context information of the terminal device.
- the communication method of embodiment 14, comprising: the indication information comprising: an indication of denying access by the terminal device and/or information rejecting a reason for access by the terminal device.
- Embodiment 16 The communication method of embodiment 14 or 15, comprising: the distributed unit transmitting a notification message to the centralized unit about allowing access by the terminal device.
- the distributed unit has at least one of: a radio link control layer, a medium access control layer, and a physical layer;
- the formula unit has at least one of the following: a radio resource control layer, a service data adaptation protocol layer, and a packet data convergence layer protocol layer; the distributed unit and the centralized unit belong to the radio access network or belong to one Base station.
- Embodiment 18 A communication device, comprising: at least one processor and a communication interface, wherein the communication interface is used for information interaction between the communication device and other communication devices, when program instructions are in the at least one processing When executed in the apparatus, the communication device is caused to implement the functions of any of the methods of any of embodiments 1-17 on any of the following: the distributed unit and the centralized unit.
- Embodiment 19 A computer program storage medium having program instructions, when the program instructions are directly or indirectly executed, such that the method of any of embodiments 1-17 is as follows The functionality on either device is achieved: the distributed unit and the centralized unit.
- Embodiment 20 A chip system, the chip system comprising at least one processor, when program instructions are executed in the at least one processor, such that the method according to any one of embodiments 1-17 is as follows The functionality on either device is achieved: the distributed unit and the centralized unit.
- Embodiment 21 A communication system, comprising: the communication device as described in Embodiment 18.
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Abstract
Description
Claims (33)
- 一种通信方法,其特征在于,包括:分布式单元接收集中式单元发送的寻呼消息,所述寻呼消息中携带指示信息,所述指示信息用于表明所述寻呼是源于核心网的寻呼或所述寻呼是源于无线接入网的寻呼;所述分布式单元根据所述指示信息获知所述寻呼是源于所述核心网的寻呼或所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求1所述的通信方法,其特征在于,所述方法还包括:所述分布式单元将所述指示信息发向被寻呼终端设备。
- 如权利要求1或2所述的通信方法,其特征在于,所述指示信息包括:源于所述核心网的被寻呼终端设备的标识或所述无线接入网配置的被寻呼终端设备的标识。
- 如权利要求1或2所述的通信方法,其特征在于:所述指示信息是源于所述核心网的所述被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述核心网的寻呼,所述分布式单元根据所述指示信息获知所述寻呼是源于所述核心网的寻呼;或者,所述指示信息是所述无线接入网配置的所述被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述无线接入网的寻呼,所述分布式单元根据所述指示信息获知所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求1-4中任一所述的通信方法,其特征在于,所述源于核心网的被寻呼终端设备的标识为所述被寻呼终端设备的临时移动用户标识TMSI或者国际移动用户识别码IMSI。
- 一种通信方法,其特征在于,包括:集中式单元向分布式单元发送寻呼消息,所述寻呼消息中携带指示信息,所述指示信息用于表明所述寻呼是源于核心网的寻呼或所述寻呼是源于无线接入网的寻呼;所述指示信息被用于使得所述分布式单元获知所述寻呼是源于所述核心网的寻呼或所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求6所述的通信方法,其特征在于,所述指示信息被所述分布式单元发向所述被寻呼终端设备。
- 如权利要求6或7所述的通信方法,其特征在于,所述指示信息包括:源于核心网的被寻呼终端设备的标识或所述无线接入网配置的被寻呼终端设备的标识。
- 如权利要求6或7所述的通信方法,其特征在于:所述指示信息是源于所述核心网的被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述核心网的寻呼,并被用于使得所述分布式单元获知所述寻呼是源于所述核心网的寻呼;或者,所述指示信息是所述无线接入网配置的被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述无线接入网的寻呼,并被用于使得所述分布式单元获知所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求6-9中任一所述的通信方法,其特征在于,所述源于核心网的被寻呼终端设备的标识为所述被寻呼终端设备的临时移动用户标识TMSI或者国际移动用户识别码IMSI。
- 一种通信方法,其特征在于,包括:集中式单元拒绝终端设备的接入请求;所述集中式单元向分布式单元发送指示信息;所述指示信息用于表明所述分布式单元需要删除所述终端设备的上下文信息。
- 如权利要求11所述的通信方法,其特征在于,包括:所述指示信息包含:拒绝所述终端设备接入的指示和/或拒绝所述终端设备接入的原因的信息。
- 如权利要求10或11所述的通信方法,其特征在于,包括:所述集中式单元接收来自于所述分布式单元发送的关于允许所述终端设备接入的通知消息。
- 一种通信方法,其特征在于,包括:在终端设备的接入请求被集中式单元拒绝的情况下,分布式单元接收来自于所述集中式单元发送的指示信息;所述指示信息用于表明所述分布式单元需要删除所述终端设备的上下文信息。
- 如权利要求14所述的通信方法,其特征在于,包括:所述指示信息包含:拒绝所述终端设备接入的指示和/或拒绝所述终端设备接入的原因的信息。
- 如权利要求14或15所述的通信方法,其特征在于,包括:所述分布式单元向所述集中式单元发送关于允许所述终端设备接入的通知消息。
- 如权利要求1-16中任一所述的通信方法,其特征在于,所述分布式单元具有如下中一个或多个:无线链路控制层功能,媒体接入控制层功能,以及物理层功能;所述集中式单元具有如下中一个或多个:无线资源控制层功能,业务数据适配协议层功能,以及分组数据汇聚层协议层功能;所述分布式单元和所述集中式单元属于所述无线接入网或属于同一个基站。
- 一种通信设备,其特征在于,所述通信设备包括:至少一个处理器和通信接口,所述通信接口用于所述通信设备与其他通信设备进行信息交互,当程序指令在所述至少一个处理器中执行时,使得所述通信设备实现如权利要求1-17中任一所述的方法中在如下任一设备上的功能:所述分布式单元和所述集中式单元。
- 一种计算机程序存储介质,其特征在于,所述计算机程序存储介质具有程序指令,当所述程序指令被直接或者间接执行时,使得如权利要求1-17中任一所述的方法中在如下任一设备上的功能得以实现:所述分布式单元和所述集中式单元。
- 一种芯片系统,其特征在于,所述芯片系统包括至少一个处理器,当程序指令在所述至少一个处理器中执行时,使得如权利要求1-17中任一所述的方法中在如下任一设备上的功能得以实现:所述分布式单元和所述集中式单元。
- 一种通信装置,其特征在于,包括:一个模块,用于接收集中式单元发送的寻呼消息,所述寻呼消息中携带指示信息,所述指示信息用于表明所述寻呼是源于核心网的寻呼或所述寻呼是源于无线接入网的寻呼;一个模块,用于根据所述指示信息获知所述寻呼是源于所述核心网的寻呼或所述寻呼 是源于所述无线接入网的寻呼。
- 如权利要求21所述的通信装置,其特征在于,所述通信装置还包括:一个模块,用于将所述指示信息发向被寻呼终端设备。
- 如权利要求21或22所述的通信装置,其特征在于,所述指示信息包括:源于所述核心网的被寻呼终端设备的标识或所述无线接入网配置的被寻呼终端设备的标识。
- 如权利要求21或22所述的通信装置,其特征在于:所述指示信息是源于所述核心网的所述被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述核心网的寻呼,所述通信装置根据所述指示信息获知所述寻呼是源于所述核心网的寻呼;或者,所述指示信息是所述无线接入网配置的所述被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述无线接入网的寻呼,所述通信装置根据所述指示信息获知所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求21-24中任一所述的通信装置,其特征在于,所述源于核心网的被寻呼终端设备的标识为所述被寻呼终端设备的临时移动用户标识TMSI或者国际移动用户识别码IMSI。
- 一种通信装置,其特征在于,包括:一个模块,用于向分布式单元发送寻呼消息,所述寻呼消息中携带指示信息,所述指示信息用于表明所述寻呼是源于核心网的寻呼或所述寻呼是源于无线接入网的寻呼;所述指示信息被用于使得所述分布式单元获知所述寻呼是源于所述核心网的寻呼或所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求26所述的通信装置,其特征在于,所述指示信息被所述分布式单元发向所述被寻呼终端设备。
- 如权利要求26或27所述的通信装置,其特征在于,所述指示信息包括:源于核心网的被寻呼终端设备的标识或所述无线接入网配置的被寻呼终端设备的标识。
- 如权利要求26或27所述的通信装置,其特征在于,包括:所述指示信息是源于所述核心网的被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述核心网的寻呼,并被用于使得所述分布式单元获知所述寻呼是源于所述核心网的寻呼;或者,所述指示信息是所述无线接入网配置的被寻呼终端设备的标识的信息,则所述指示信息被用于表明所述寻呼是源于所述无线接入网的寻呼,并被用于使得所述分布式单元获知所述寻呼是源于所述无线接入网的寻呼。
- 如权利要求26-29中任一所述的通信装置,其特征在于,所述源于核心网的被寻呼终端设备的标识为所述被寻呼终端设备的临时移动用户标识TMSI或者国际移动用户识别码IMSI。
- 一种通信装置,其特征在于,所述通信装置执行如权利要求1-17中任一所述的方法中在如下设备的操作:所述分布式单元或所述集中式单元。
- 一种通信系统,其特征在于,所述通信系统包括如下中任一种:如权利要求18所述的通信设备,如权利要求19所述的计算机程序存储介质,如权利要求20所述的芯片系统,或者,如权利要求21-31中任一所述的通信装置。
- 一种计算机程序产品,其特征在于,所述计算机程序产品具有程序指令,当所述 程序指令被直接或者间接执行时,使得如权利要求1-17中任一所述的方法中在如下任一设备上的功能得以实现:所述分布式单元和所述集中式单元。
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KR102619369B1 (ko) * | 2021-11-26 | 2023-12-29 | 주식회사 블랙핀 | 무선 이동 통신 시스템에서 단말이 페이징 메시지를 처리하는 방법 및 장치 |
CN117693074A (zh) * | 2022-09-02 | 2024-03-12 | 中兴通讯股份有限公司 | 通信方法、网元设备、介质及程序产品 |
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RU2020126718A (ru) | 2022-02-14 |
BR112020014067A2 (pt) | 2020-12-01 |
CN110035498B (zh) | 2022-08-26 |
AU2019207029B2 (en) | 2022-03-31 |
US11722987B2 (en) | 2023-08-08 |
AU2019207029A1 (en) | 2020-07-30 |
CN110035498A (zh) | 2019-07-19 |
KR20200105512A (ko) | 2020-09-07 |
RU2020126718A3 (zh) | 2022-03-17 |
EP3737172A4 (en) | 2021-02-24 |
EP3737172A1 (en) | 2020-11-11 |
JP7106653B2 (ja) | 2022-07-26 |
JP2021510273A (ja) | 2021-04-15 |
US20200344719A1 (en) | 2020-10-29 |
CA3088224A1 (en) | 2019-07-18 |
EP3737172B1 (en) | 2024-01-10 |
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