WO2019157716A1 - 通信方法、网络设备和终端设备 - Google Patents

通信方法、网络设备和终端设备 Download PDF

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Publication number
WO2019157716A1
WO2019157716A1 PCT/CN2018/076850 CN2018076850W WO2019157716A1 WO 2019157716 A1 WO2019157716 A1 WO 2019157716A1 CN 2018076850 W CN2018076850 W CN 2018076850W WO 2019157716 A1 WO2019157716 A1 WO 2019157716A1
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WO
WIPO (PCT)
Prior art keywords
network node
terminal device
anchor
rrc connection
network
Prior art date
Application number
PCT/CN2018/076850
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to KR1020207019668A priority Critical patent/KR20200120610A/ko
Priority to CN202010263554.6A priority patent/CN111526550B/zh
Priority to EP18906018.9A priority patent/EP3720242B1/en
Priority to AU2018408722A priority patent/AU2018408722A1/en
Priority to PCT/CN2018/076850 priority patent/WO2019157716A1/zh
Priority to JP2020536885A priority patent/JP7097445B2/ja
Priority to CN201880053892.8A priority patent/CN111034347A/zh
Publication of WO2019157716A1 publication Critical patent/WO2019157716A1/zh
Priority to US16/882,073 priority patent/US11265950B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/27Transitions between radio resource control [RRC] states
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0055Transmission or use of information for re-establishing the radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305Handover due to radio link failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02Arrangements for increasing efficiency of notification or paging channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/04Interfaces between hierarchically different network devices
    • H04W92/10Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08Mobility data transfer
    • H04W8/12Mobility data transfer between location registers or mobility servers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/20Interfaces between hierarchically similar devices between access points

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a communication method, a network device, and a terminal device.
  • a new Radio Resource Control (RRC) state that is, an inactive state (RRC_INACTIVE)
  • RRC_INACTIVE an inactive state
  • the network may configure a paging area for paging of a Radio Access Network (RAN).
  • RAN Radio Access Network
  • the network node for maintaining the connection between the terminal device and the RAN and the core network that is, the network node currently serving the terminal device
  • the paging message is sent to all the cells in the paging area to the terminal device, so that the terminal device in the RRC_INACTIVE state resumes the RRC connection and performs data reception.
  • the terminal device enters the RRC connected state from the RRC_INACTIVE state, and may be based on the following trigger conditions:
  • the downlink data of the terminal device arrives;
  • the terminal device initiates an update of the RAN location area
  • the terminal device has the requirement to send uplink data.
  • the context information of the terminal device needs to be acquired, and the context information of the terminal device is stored on the anchor network node of the terminal device. In this case, how to restore the RRC connection to reduce the signaling overhead of the network It is an urgent problem to be solved.
  • the embodiment of the present application provides a communication method, a network device, and a terminal device, which can reduce signaling overhead of the network.
  • a communication method which includes:
  • the first network node receives the radio resource control RRC connection recovery request sent by the terminal device in the inactive state, where the RRC connection recovery request includes indication information, where the indication information is used to indicate whether to change the anchor network node of the terminal device;
  • the first network node is a network node currently serving the terminal device, the second network node is an anchor network node of the terminal device, and the context information of the terminal device is not saved on the first network node. And saving the context information of the terminal device on the second network node; the first network node determining, according to the indication information, whether to change an anchor network node of the terminal device.
  • the terminal device may determine whether to change the anchor network node of the terminal device according to a trigger event for restoring the RRC connection, for example, if the trigger event is an RAN location area update initiated by the terminal device itself, in this case, The terminal device may determine that the anchor network node does not have to be changed, thereby reducing the signaling overhead of the network, or if the trigger event is for downlink data arrival or for uplink data to be transmitted, in this case, the terminal device may determine to change the terminal device.
  • Anchor network nodes to enable timely transmission of data.
  • the determining, by the first network node, the anchor network node of the terminal device, according to the indication information includes: if the indication information indicates to change an anchor network node of the terminal device Determining, by the first network node, an anchor network node that changes the terminal device; or if the indication information indicates not changing an anchor network node of the terminal device, the first network node determines not to change the terminal device Anchor network node.
  • the method further includes: when determining to change an anchor network node of the terminal device, the first network node acquires a context of the terminal device from the second network node The first network node recovers the RRC connection of the terminal device according to the context information of the terminal device.
  • the acquiring, by the first network node, context information of the terminal device from the second network node includes: the first network node sending a context request message to the second network node The context request message is used to request to acquire context information of the terminal device; the first network node receives context information of the terminal device that is replied by the second network node.
  • the method further includes: in determining that the anchor network node of the terminal device is not changed, the first network node forwards the RRC connection recovery to the second network node The first network node recovers the RRC connection of the terminal device according to the response message replied by the second network node.
  • a second aspect provides a communication method, including: receiving, by a first network node, a radio resource control RRC connection recovery request sent by a terminal device in an inactive state, where the first network node is currently the terminal device a network node of the service, the second network node is an anchor network node of the terminal device, the context information of the terminal device is not saved on the first network node, and the context of the terminal device is saved on the second network node
  • the first network node forwards the RRC connection recovery request to the second network node; the first network node recovers an RRC connection of the terminal device according to the response message of the second network node.
  • the first network node recovers the RRC connection of the terminal device according to the response message of the second network node, including: if the response message is the RRC connection recovery response message The first network node forwards the response message to the terminal device.
  • the first network node recovers the RRC connection of the terminal device according to the response message of the second network node, including: if the response message is context information of the terminal device And the first network node recovers an RRC connection of the terminal device according to the context information of the terminal device.
  • a communication method which includes:
  • the terminal device in an inactive state determines whether to change an anchor network node of the terminal device
  • the terminal device sends a radio resource control RRC connection recovery request to the first network node, where the RRC connection recovery request includes indication information, where the indication information is used to indicate whether to change an anchor network node of the terminal device, where
  • the first network node is a network node currently serving the terminal device, and the context information of the terminal device is not saved on the first network node.
  • the method further includes: receiving, without changing the anchor network node of the terminal device, the terminal device receiving the RRC sent by the second network device forwarded by the first network node And a connection recovery response message, where the second network node is an anchor network node of the terminal device, and the second network node saves context information of the terminal device.
  • the method further includes: in a case of changing an anchor network node of the terminal device, the terminal device receives an RRC connection recovery response message sent by the first network node.
  • the terminal device in the inactive state determines whether to change the anchor network node of the terminal device, including: if the terminal device switches from the inactive state to the connected state, the trigger event is When the incoming RAN location area is updated, the terminal device determines not to change the anchor network node of the terminal device.
  • a fourth aspect provides a communication method, including: receiving, by a second network node, a radio resource control RRC connection recovery request sent by a terminal device in an inactive state that is forwarded by a first network node, where the first network node is current a network node serving the terminal device, where the second network node is an anchor network node of the terminal device, the first network node does not save context information of the terminal device, and the second network node saves the location Context information of the terminal device; the second network node determines whether to change the anchor network node of the terminal device.
  • the method further includes: in determining that the anchor network node of the terminal device is not changed, the second network node replies to the first network node with the RRC connection recovery. And responding to the message, so that the first network node forwards the RRC connection recovery response message to the terminal device.
  • the method further includes: in determining to change an anchor network node of the terminal device, the second network node replies to the first network node with a context of the terminal device information.
  • a network device configured to perform the method of any of the first aspect or the first aspect of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a network device configured to perform the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
  • a terminal device configured to perform the method in any of the foregoing third aspect or any possible implementation of the third aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the third aspect or the third aspect described above.
  • a network device configured to perform the method of any of the above-described fourth or fourth possible implementations.
  • the apparatus comprises means for performing the method of any of the above-described fourth or fourth possible implementations of the fourth aspect.
  • a network device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is configured to store instructions, the processor being configured to execute the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect, or the second or second aspect A method in any of the possible implementations, for performing the method of any of the above-described fourth or fourth possible implementations.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is configured to store instructions configured to execute the memory stored instructions for performing the method of any of the possible implementations of the third aspect or the third aspect above.
  • a computer storage medium configured to store a method in any of the possible implementations of the first aspect or the first aspect described above, or any possible implementation of the second or second aspect above.
  • a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the above-described first aspect or any of the alternative implementations of the first aspect, or The method of any of the possible implementations of the second aspect or the second aspect, or the method of any of the foregoing third or third aspect, or any possible implementation of the fourth or fourth aspect The method in .
  • FIG. 1 is a schematic diagram of a communication system to which an embodiment of the present application is applied.
  • FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a communication method according to another embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a communication method according to still another embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a communication method according to still another embodiment of the present application.
  • FIG. 6 is a schematic diagram of a network device according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a network device according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a terminal device according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a network device according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a network device according to an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a terminal device according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UPD Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 100 can be a device that communicates with a terminal device.
  • Network device 100 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area.
  • the network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device can be a relay station, an access point, an in-vehicle device, a wearable device, A network side device in a future 5G network or a network device in a publicly available Public Land Mobile Network (PLMN) in the future.
  • PLMN Public Land Mobile Network
  • the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110.
  • Terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • FIG. 2 is a schematic flowchart of a communication method 200 provided by an embodiment of the present application.
  • the method 200 may be performed by a network device in the communication system 100 shown in FIG. 1.
  • the method 200 may include the following content. :
  • the first network node receives a radio resource control RRC connection recovery request sent by the terminal device in an inactive state, where the RRC connection recovery request includes indication information, where the indication information is used to indicate whether to change an anchor network of the terminal device. node;
  • the first network node is a network node currently serving the terminal device
  • the second network node is an anchor network node of the terminal device
  • the context information of the terminal device is not saved on the first network node. And saving the context information of the terminal device on the second network node;
  • the first network node determines, according to the indication information, whether to change an anchor network node of the terminal device.
  • the first network node is a network node currently serving the terminal device, and the context information of the terminal device is not saved on the first network node, and the context information of the terminal device is saved in an anchor of the terminal device.
  • the anchor network node of the terminal device is the network device that was connected last time before the terminal device enters the inactive state. Therefore, the anchor network node of the terminal device stores the context information of the terminal device.
  • the terminal device may switch from the inactive state to the RRC connected state when the triggering event described above occurs. Specifically, the terminal device may send an RRC connection to the currently served first network node. A recovery request for requesting restoration of an RRC connection of the terminal device.
  • the RRC connection recovery request may include indication information, which is used to indicate whether to change an anchor network node of the terminal device, and optionally, the terminal device may be triggered according to a trigger event for restoring the RRC connection. Determining whether to change the anchor network node of the terminal device.
  • the terminal device may determine that the anchor network node does not have to be changed, thereby reducing the signaling overhead of the network, or if the trigger event is downlink data. Arriving, or having uplink data to be transmitted, in this case, the terminal device can determine to change the anchor network node of the terminal device, thereby enabling timely transmission of data.
  • the RAN paging area may be pre-configured by the operator in each network device, or may be determined by the anchor network node according to the characteristics of the displacement of the terminal device. The determination of the RAN paging area by this authorization is not particularly limited.
  • the RAN location area update may be a periodic RAN location area update, that is, periodically update the RAN paging area of the terminal device, or may be a cross-region location update, that is, Move to an area other than the RAN paging area to trigger a cross-region location update or the like.
  • the first network node may determine, according to the indication information included in the RRC connection recovery request, whether to change the anchor network node of the terminal device, For example, if the indication information indicates to change an anchor network node of the terminal device, the first network node determines to change an anchor network node of the terminal device; or if the indication information indicates that the anchor of the terminal device is not changed a network node, the first network node determining not to change an anchor network node of the terminal device.
  • the method 200 further includes:
  • the first network node acquires context information of the terminal device from the second network node;
  • the first network node recovers an RRC connection of the terminal device according to the context information of the terminal device.
  • the first network node may send a context request message to the second network node, for requesting to acquire context information of the terminal device, optionally, the context request message.
  • the identifier information of the terminal device may be carried.
  • the second network node may reply the first network node with the context information of the terminal device.
  • the first network node may be configured according to the terminal device. Contextual information to restore the RRC connection of the terminal device.
  • the second network node may refuse to change the anchor network node of the terminal device.
  • the second network node may refuse to reply the first network node with the context information of the terminal device, for example, the second The network node may reply to the first network node with a reject message for indicating that the anchor network node of the terminal device is not changed, or the second network node may not reply to the first network node.
  • the first network node may determine not to change the anchor network node of the terminal device, and further, the first The network node may forward the RRC connection recovery request sent by the terminal device to the second network node. Specifically, the first network node may send the RRC connection recovery response message to the second network by using a container. node.
  • the first network node may receive the RRC connection recovery response message replied by the second network node, and further, the first network node may forward the RRC connection recovery response message sent by the second network node to the terminal device, Specifically, the first network node may send the RRC connection recovery response message to the terminal device by means of a container, for recovery of the RRC connection of the terminal device.
  • the method 200 further includes:
  • the first network node forwards the RRC connection recovery request to the second network node if it is determined that the anchor network node of the terminal device is not changed;
  • the first network node recovers the RRC connection of the terminal device according to the response message replied by the second network node.
  • FIG. 3 is a schematic flowchart of a communication method 300 provided by an embodiment of the present application.
  • the method 300 may be performed by a network device in the communication system 100 shown in FIG. 1.
  • the method 300 may include the following content. :
  • the first network node receives a radio resource control RRC connection recovery request sent by the terminal device in an inactive state, where the first network node is a network node currently serving the terminal device, and the second network node is a An anchor network node of the terminal device, the context information of the terminal device is not saved on the first network node, and the context information of the terminal device is saved on the second network node;
  • the first network node forwards the RRC connection recovery request to the second network node.
  • the first network node recovers an RRC connection of the terminal device according to the response message of the second network node.
  • the second network node may determine whether to change the anchor network node of the terminal device, that is, in this embodiment, whether the terminal is changed by the terminal.
  • the anchor network node of the device is determined by the second network node.
  • the second network node may determine, according to its own load, whether to change an anchor network node of the terminal device, for example, the second network node may determine to change the terminal device if the load thereof is large.
  • the anchor network node determines that the anchor network node of the terminal device is not changed under the condition that its own load is light, so that load balancing of the network device can be implemented.
  • the second network node may determine whether to change the anchor network node of the terminal device according to the triggering event of the terminal device to restore the RRC connection.
  • the second network node may determine whether to change the anchor network node of the terminal device according to the triggering event of the terminal device to restore the RRC connection.
  • the second network node may reply the first network node with context information of the terminal device, so that the first network node may be according to the terminal device Contextual information to restore the RRC connection of the terminal device.
  • the second network node may reply an RRC connection recovery response message to the first network node, so that the first network node may The RRC connection recovery response message is forwarded to the terminal device.
  • the first network node may send the RRC connection recovery response message to the terminal device by using a container to restore the RRC connection of the terminal device.
  • the communication method according to the embodiment of the present application is described above with reference to FIG. 2 to FIG. 3 from the perspective of the current network node.
  • the communication method according to the embodiment of the present application will be described from the perspective of the terminal device in conjunction with FIG. 4. It should be understood that the description of the network node and the description of the terminal device correspond to each other. For a similar description, refer to the above. To avoid repetition, details are not described herein again.
  • FIG. 4 is a schematic flowchart of a communication method 400 provided by an embodiment of the present application.
  • the method 400 may be performed by a terminal device in the communication system 100 shown in FIG. 1.
  • the method 400 may include the following content. :
  • the terminal device in an inactive state determines whether to change an anchor network node of the terminal device.
  • the terminal device sends a radio resource control RRC connection recovery request to the first network node, where the RRC connection recovery request includes indication information, where the indication information is used to indicate whether to change an anchor network node of the terminal device, where The first network node is a network node currently serving the terminal device, and the context information of the terminal device is not saved on the first network node.
  • the terminal device may determine, according to the trigger event of the RRC connection recovery request, whether to change the anchor network node of the terminal device, for example, if the trigger event is an RAN location area update initiated by the terminal device itself, in this case, The terminal device can determine that the anchor network node does not have to be changed, thereby reducing the signaling overhead of the network.
  • the method 400 further includes:
  • the terminal device receiving an RRC connection recovery response message sent by the second network device forwarded by the first network node, where the second network node is the terminal An anchor network node of the device, where the second network node saves context information of the terminal device.
  • the method 400 further includes:
  • the terminal device receives an RRC connection recovery response message sent by the first network node.
  • 410 may include:
  • the terminal device determines not to change the anchor network node of the terminal device.
  • the communication method according to the embodiment of the present application is described from the perspective of the currently serving network node and the terminal device.
  • the embodiment according to the present application is described. Communication method. It should be understood that the description of the anchor network node and the network node of the current service and the description of the terminal device correspond to each other. For a similar description, refer to the above. To avoid repetition, details are not described herein again.
  • FIG. 5 is a schematic interaction diagram of a communication method 10 provided by an embodiment of the present application.
  • the method 10 may be performed by a network device in the communication system 100 shown in FIG. 1.
  • the method 10 may include the following content. :
  • the second network node receives a radio resource control RRC connection recovery request sent by the terminal device in the inactive state that is forwarded by the first network node, where the first network node is a network node currently serving the terminal device, where The second network node is the anchor network node of the terminal device, the context information of the terminal device is not saved on the first network node, and the context information of the terminal device is saved on the second network node;
  • the second network node determines whether to change an anchor network node of the terminal device.
  • the method 10 further includes:
  • the second network node After determining that the anchor network node of the terminal device is not changed, the second network node replies to the first network node with the RRC connection recovery response message, so that the first network node sends the RRC A connection recovery response message is forwarded to the terminal device.
  • the method 10 further includes:
  • the second network node replies to the first network node with context information of the terminal device.
  • the embodiment of the method of the present application is described in detail below with reference to FIG. 2 to FIG. 5 .
  • the device embodiment of the present application is described in detail below with reference to FIG. 6 to FIG. 11 . It should be understood that the device embodiment and the method embodiment correspond to each other, similar to The description of the method can be referred to the method embodiment.
  • FIG. 6 shows a schematic block diagram of a network device 500 in accordance with an embodiment of the present application.
  • the network device 500 includes:
  • the communication module 510 is configured to receive a radio resource control RRC connection recovery request sent by the terminal device in an inactive state, where the RRC connection recovery request includes indication information, where the indication information is used to indicate whether to change the anchor network of the terminal device node;
  • the network device is a network node currently serving the terminal device, the second network node is an anchor network node of the terminal device, and the network device does not save context information of the terminal device, where the Saving the context information of the terminal device on the second network node;
  • the determining module 520 is configured to determine, according to the indication information, whether to change an anchor network node of the terminal device.
  • the network device 500 may correspond to the first network node in the method embodiment of the present application, and the foregoing operations and/or functions of the respective units in the network device 500 are respectively implemented to implement FIG. 2
  • the corresponding flow of the first network node in the method 200 is not described here for brevity.
  • FIG. 7 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 600 of Figure 7 includes:
  • the communication module 610 is configured to receive a radio resource control RRC connection recovery request sent by the terminal device in an inactive state, where the network device is a network node currently serving the terminal device, and the second network node is the terminal An anchor network node of the device, the context information of the terminal device is not saved on the network device, the context information of the terminal device is saved on the second network node; and the RRC connection is forwarded to the second network node Recovery request;
  • the recovery module 620 is configured to restore the RRC connection of the terminal device according to the response message of the second network node.
  • the network device 600 may correspond to (for example, may be configured or be itself) the first network node described in the foregoing method 300, and each module or unit in the network device 600 is configured to perform the foregoing method 300, respectively.
  • the detailed descriptions of the operations or processes performed by the first network node are omitted here to avoid redundancy.
  • FIG. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 700 of FIG. 8 includes:
  • a determining module 710 configured to determine whether to change an anchor network node of the terminal device, where the terminal device is in an inactive state
  • the communication module 720 is configured to send a radio resource control RRC connection recovery request to the first network node, where the RRC connection recovery request includes indication information, where the indication information is used to indicate whether to change an anchor network node of the terminal device, where The first network node is a network node currently serving the terminal device, and the context information of the terminal device is not saved on the first network node.
  • the terminal device 700 may correspond to (for example, may be configured or be itself) the terminal device described in the foregoing method 400, and each module or unit in the terminal device 700 is configured to perform the terminal in the foregoing method 400, respectively.
  • Detailed descriptions of the operations and processes performed by the device are omitted here to avoid redundancy.
  • the network device 800 of Figure 9 includes:
  • the communication module 810 is configured to receive a radio resource control RRC connection recovery request sent by the terminal device in the inactive state forwarded by the first network node, where the first network node is a network node currently serving the terminal device, and the network The device is an anchor network node of the terminal device, the context information of the terminal device is not saved on the first network node, and the context information of the terminal device is saved on the network device;
  • the determining module 820 is configured to determine whether to change the anchor network node of the terminal device.
  • the network device 800 may correspond to (for example, may be configured or itself) a second network node described in the foregoing method 10, and each module or unit in the network device 800 is configured to perform the foregoing method 10, respectively.
  • the operations or processes executed by the second network node are omitted here for the sake of avoiding redundancy.
  • the embodiment of the present application further provides a network device 900, which may be the network device 500 in FIG. 6, or the network device 600 in FIG. 7, or the network device in FIG. 800, which can be configured to perform the content of the first network node corresponding to the method 200 in FIG. 2, or the first network node corresponding to the method 300 in FIG. 3, or the second network node corresponding to the method 10 in FIG.
  • the network device 900 includes an input interface 910, an output interface 920, a processor 930, and a memory 940.
  • the input interface 910, the output interface 920, the processor 930, and the memory 940 can be connected by a bus system.
  • the memory 940 is configured to store programs, instructions or code.
  • the processor 930 is configured to execute a program, instruction or code in the memory 940 to control the input interface 910 to receive signals, control the output interface 920 to transmit signals, and perform operations in the foregoing method embodiments.
  • the processor 930 may be a central processing unit (“CPU"), and the processor 930 may also be other general-purpose processors, digital signal processors ( DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 940 can include read only memory and random access memory and provides instructions and data to the processor 930. A portion of the memory 940 can also include a non-volatile random access memory. For example, the memory 940 can also store information of the device type.
  • each content of the above method may be completed by an integrated logic circuit of hardware in the processor 930 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 940, and the processor 930 reads the information in the memory 940 and completes the contents of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the communication module 510 included in the network device 500 in FIG. 6 can be implemented by using the output interface 920 and the input interface 910 of FIG. 10, and the determining module 520 included in the network device 500 in FIG.
  • the processor 930 of 10 is implemented.
  • the communication module 610 included in the network device 600 of FIG. 7 can be implemented by using the output interface 920 and the input interface 910 of FIG. 10, and the recovery module 620 included in the network device 600 of FIG.
  • the processor 930 of 10 is implemented.
  • the communication module 810 included in the network device 800 in FIG. 9 can be implemented by using the output interface 920 and the input interface 910 of FIG. 10, and the recovery module 820 included in the network device 600 in FIG.
  • the processor 930 of 10 is implemented.
  • the embodiment of the present application further provides a terminal device 1000, which may be the terminal device 700 in FIG. 8 , which can be configured to execute a terminal device corresponding to the method 400 in FIG. 4 .
  • the device 1000 includes an input interface 1010, an output interface 1020, a processor 1030, and a memory 1040.
  • the input interface 1010, the output interface 1020, the processor 1030, and the memory 1040 may be connected by a bus system.
  • the memory 1040 is configured to store programs, instructions or code.
  • the processor 1030 is configured to execute a program, instruction or code in the memory 1040 to control the input interface 1010 to receive signals, control the output interface 1020 to transmit signals, and perform operations in the foregoing method embodiments.
  • the processor 1030 may be a central processing unit (“CPU"), and the processor 1030 may also be other general-purpose processors, digital signal processors ( DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 1040 can include read only memory and random access memory and provides instructions and data to the processor 1030. A portion of the memory 1040 may also include a non-volatile random access memory. For example, the memory 1040 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1030 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1040, and the processor 1030 reads the information in the memory 1040 and completes the contents of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the determining module 710 included in the terminal device 700 in FIG. 8 may be implemented by the processor 1030 of FIG. 11, and the communication module 720 included in the terminal device 700 in FIG. 8 may be described in FIG.
  • the output interface 1020 and the input interface 1010 are implemented.
  • the embodiment of the present application further provides a computer readable storage medium storing one or more programs, the one or more programs including instructions, when the portable electronic device is included in a plurality of applications When executed, the portable electronic device can be caused to perform the method of the embodiment shown in Figures 2 through 5.
  • the embodiment of the present application also proposes a computer program comprising instructions which, when executed by a computer, enable the computer to execute the corresponding flow of the method of the embodiment shown in Figures 2 to 5.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present application, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请实施例公开了一种通信方法、网络设备和终端设备,该方法包括:第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点;其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;所述第一网络节点根据所述指示信息,确定是否更改所述终端设备的锚网络节点。

Description

通信方法、网络设备和终端设备 技术领域
本申请实施例涉及通信领域,并且更具体地,涉及通信方法、网络设备和终端设备。
背景技术
在现有的通信系统中,为了降低空口信令和快速恢复无线连接的需要,引入了一种新的无线资源控制(Radio Resource Control,RRC)状态,即非激活态(RRC_INACTIVE),在终端设备处于RRC_INACTIVE态时,网络可以配置用于接入网(Radio Access Network,RAN)寻呼的寻呼区域,当终端设备在该寻呼区域内移动时,不必通知网络侧。当终端设备移出该寻呼区域时,若终端设备的下行数据到达,用于保持该终端设备与RAN和核心网(Core Network,CN)连接的网络节点,即当前为该终端设备服务的网络节点,会触发在该寻呼区域内的所有小区内发送寻呼消息给该终端设备,使得处于RRC_INACTIVE态的终端设备恢复RRC连接,进行数据接收。
终端设备从RRC_INACTIVE态进入RRC连接态,可以基于如下触发条件:
1、终端设备的下行数据到达;
2、终端设备发起RAN位置区域更新;
3、终端设备有发送上行数据的需求。
但是,无论哪种触发条件,都需要获取终端设备的上下文信息,而终端设备的上下文信息存储在该终端设备的锚网络节点上,此情况下,如何恢复RRC连接,以降低网络的信令开销是一项亟需解决的问题。
发明内容
本申请实施例提供了一种通信方法、网络设备和终端设备,能够降低网络的信令开销。
第一方面,提供了一种通信方法,其特征在于,包括:
第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点;其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;所述第一网络节点 根据所述指示信息,确定是否更改所述终端设备的锚网络节点。
可选地,终端设备可以根据恢复RRC连接的触发事件,确定是否更改所述终端设备的锚网络节点,例如,若该触发事件为该终端设备自身发起的RAN位置区域更新,此情况下,该终端设备可以确定不必更改锚网络节点,从而能够降低网络的信令开销,或者若该触发事件为下行数据到达,或者由上行数据待传输,此情况下,该终端设备可以确定更改该终端设备的锚网络节点,从而能够实现数据的及时传输。
在一种可能的实现方式中,所述第一网络节点根据所述指示信息,确定是否更改所述终端设备的锚网络节点,包括:若所述指示信息指示更改所述终端设备的锚网络节点,所述第一网络节点确定更改所述终端设备的锚网络节点;或若所述指示信息指示不更改所述终端设备的锚网络节点,所述第一网络节点确定不更改所述终端设备的锚网络节点。
在一种可能的实现方式中,所述方法还包括:在确定更改所述终端设备的锚网络节点的情况下,所述第一网络节点从所述第二网络节点获取所述终端设备的上下文信息;所述第一网络节点根据所述终端设备的上下文信息,恢复所述终端设备的RRC连接。
在一种可能的实现方式中,所述第一网络节点从所述第二网络节点获取所述终端设备的上下文信息,包括:所述第一网络节点向所述第二网络节点发送上下文请求消息,所述上下文请求消息用于请求获取所述终端设备的上下文信息;所述第一网络节点接收所述第二网络节点回复的所述终端设备的上下文信息。
在一种可能的实现方式中,所述方法还包括:在确定不更改所述终端设备的锚网络节点的情况下,所述第一网络节点向所述第二网络节点转发所述RRC连接恢复请求;所述第一网络节点根据所述第二网络节点回复的响应消息,恢复所述终端设备的RRC连接。
第二方面,提供了一种通信方法,包括:第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;所述第一网络节点向所述第二网络节点转发所述RRC连接恢复请求;所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接。
在一种可能的实现方式中,所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接,包括:若所述响应消息为所述RRC连接恢复响应消息,所述第一网络节点将所述响应消息转发给所述终端设备。
在一种可能的实现方式中,所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接,包括:若所述响应消息为所述终端设备的上下文信息, 所述第一网络节点根据所述终端设备的上下文信息恢复所述终端设备的RRC连接。
第三方面,提供了一种通信方法,其特征在于,包括:
处于非激活态的终端设备确定是否更改所述终端设备的锚网络节点;
所述终端设备向第一网络节点发送无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,所述第一网络节点上不保存所述终端设备的上下文信息。
在一种可能的实现方式中,所述方法还包括:在不更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点转发的第二网络设备发送的RRC连接恢复响应消息,所述第二网络节点为所述终端设备的锚网络节点,所述第二网络节点上保存所述终端设备的上下文信息。
在一种可能的实现方式中,所述方法还包括:在更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点发送的RRC连接恢复响应消息。
在一种可能的实现方式中,所述处于非激活态的终端设备确定是否更改所述终端设备的锚网络节点,包括:若所述终端设备从非激活态切换至连接态的触发事件为接入网RAN位置区域更新时,所述终端设备确定不更改所述终端设备的锚网络节点。
第四方面,提供了一种通信方法,包括:第二网络节点接收第一网络节点转发的非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;所述第二网络节点确定是否更改所述终端设备的锚网络节点。
在一种可能的实现方式中,所述方法还包括:在确定不变更所述终端设备的锚网络节点的情况下,所述第二网络节点向所述第一网络节点回复所述RRC连接恢复响应消息,以便于所述第一网络节点将所述RRC连接恢复响应消息转发给所述终端设备。
在一种可能的实现方式中,所述方法还包括:在确定变更所述终端设备的锚网络节点的情况下,所述第二网络节点向所述第一网络节点回复所述终端设备的上下文信息。
第五方面,提供了一种网络设备,配置为执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地,该设备包括用于执行上述第一方面或第一方面的任一可能的实现方式中的方法的单元。
第六方面,提供了一种网络设备,配置为执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地,该设备包括用于执行上述第二方面或第二方面的任一可 能的实现方式中的方法的单元。
第七方面,提供了一种终端设备,配置为执行上述第三方面或第三方面的任意可能的实现方式中的方法。具体地,该设备包括用于执行上述第三方面或第三方面的任一可能的实现方式中的方法的单元。
第八方面,提供了一种网络设备,配置为执行上述第四方面或第四方面的任意可能的实现方式中的方法。具体地,该设备包括用于执行上述第四方面或第四方面的任一可能的实现方式中的方法的单元。
第九方面,提供了一种网络设备,该网络设备包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器配置为存储指令,该处理器配置为执行该存储器存储的指令,用于执行上述第一方面或第一方面的任一可能的实现方式中的方法,或第二方面或第二方面的任一可能的实现方式中的方法,用于执行上述第四方面或第四方面的任一可能的实现方式中的方法。
第十方面,提供了一种终端设备,该终端设备包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器配置为存储指令,该处理器配置为执行该存储器存储的指令,用于执行上述第三方面或第三方面的任一可能的实现方式中的方法。
第十一方面,提供了一种计算机存储介质,配置为储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法,或上述第二方面或第二方面的任意可能的实现方式中的方法,或上述第三方面或第三方面的任意可能的实现方式中的方法,或上述第四方面或第四方面的任意可能的实现方式中的方法所用的计算机软件指令,其包含用于执行上述方面所设计的程序。
第十二方面,提供了一种包括指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法,或上述第二方面或第二方面的任意可能的实现方式中的方法,或上述第三方面或第三方面的任意可能的实现方式中的方法,或上述第四方面或第四方面的任意可能的实现方式中的方法。
附图说明
图1是适用本申请实施例的通信系统的示意图。
图2是本申请实施例的通信方法的示意性流程图。
图3是本申请另一实施例的通信方法的示意性流程图。
图4是本申请再一实施例的通信方法的示意性流程图。
图5是本申请再一实施例的通信方法的示意性流程图。
图6是本申请实施例的网络设备的示意图。
图7是本申请实施例的网络设备的示意图。
图8是本申请实施例的终端设备的示意图。
图9是本申请实施例的网络设备的示意图。
图10是本申请实施例的网络设备的示意图。
图11是本申请实施例的终端设备的示意图。
具体实施方式
本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,简称为“GSM”)系统、码分多址(Code Division Multiple Access,简称为“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access,简称为“WCDMA”)系统、通用分组无线业务(General Packet Radio Service,简称为“GPRS”)、长期演进(Long Term Evolution,简称为“LTE”)系统、LTE频分双工(Frequency Division Duplex,简称为“FDD”)系统、LTE时分双工(Time Division Duplex,简称为“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System,简称为“UMTS”)、全球互联微波接入(Worldwide Interoperability for Microwave Access,简称为“WiMAX”)通信系统或未来的5G系统等。
图1示出了本申请实施例应用的无线通信系统100。该无线通信系统100可以包括网络设备110。网络设备100可以是与终端设备通信的设备。网络设备100可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端设备(例如UE)进行通信。可选地,该网络设备100可以是GSM系统或CDMA系统中的基站(Base Transceiver Station,BTS),也可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolutional Node B,eNB或eNodeB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备、未来5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的网络设备等。
该无线通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。终端设备120可以是移动的或固定的。可选地,终端设备120可以指接入终端、用户设备(User Equipment,UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂 窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
图2是本申请实施例提供的通信方法200的示意性流程图,该方法200可以由图1所示的通信系统100中的网络设备执行,如图2所示,该方法200可以包括如下内容:
S210,第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点;
其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
S220,所述第一网络节点根据所述指示信息,确定是否更改所述终端设备的锚网络节点。
应理解,该第一网络节点是当前为该终端设备服务的网络节点,该第一网络节点上不保存该终端设备的上下文信息,该终端设备的上下文信息保存在该终端设备的锚(anchor)网络节点上,其中,终端设备的锚(anchor)网络节点为该终端设备进入非激活态之前上一次连接的网络设备,因此,该终端设备的锚网络节点上保存有该终端设备的上下文信息。
在本申请实施例中,该终端设备可以在发生上文所述的触发事件时,从非激活态切换至RRC连接态,具体的,该终端设备可以向当前服务的第一网络节点发送RRC连接恢复请求,用于请求恢复该终端设备的RRC连接。
可选地,在本申请实施例中,该RRC连接恢复请求可以包括指示信息,用于指示是否更改所述终端设备的锚网络节点,可选地,终端设备可以根据恢复RRC连接的触发事件,确定是否更改所述终端设备的锚网络节点。
例如,若该触发事件为该终端设备自身发起的RAN位置区域更新,此情况下,该终端设备可以确定不必更改锚网络节点,从而能够降低网络的信令开销,或者若该触发事件为下行数据到达,或者有上行数据待传输,此情况下,该终端设备可以确定更改该终端设备的锚网络节点,从而能够实现数据的及时传输。
需要说明的是,RAN寻呼区域可以由运营商预先配置在各网络设备中,也可以由锚 网络节点根据终端设备的位移的特点自行确定。本授权对于RAN寻呼区域的确定并未特别限定。
可选地,在本申请实施例中,该RAN位置区域更新可以为周期性的RAN位置区域更新,即周期性更新该终端设备的RAN寻呼区域,或者也可以为跨区域位置更新,即由于移动至该RAN寻呼区域以外的区域触发的跨区域位置更新等。
在本申请实施例中,该第一网络节点接收到终端设备发送的该RRC连接恢复请求后,可以根据该RRC连接恢复请求中包括的指示信息,确定是否更改所述终端设备的锚网络节点,例如,若所述指示信息指示更改所述终端设备的锚网络节点,所述第一网络节点确定更改所述终端设备的锚网络节点;或若所述指示信息指示不更改所述终端设备的锚网络节点,所述第一网络节点确定不更改所述终端设备的锚网络节点。
可选地,在一些实施例中,所述方法200还包括:
在确定更改所述终端设备的锚网络节点的情况下,所述第一网络节点从所述第二网络节点获取所述终端设备的上下文信息;
所述第一网络节点根据所述终端设备的上下文信息,恢复所述终端设备的RRC连接。
具体的,若确定更改所述终端设备的锚网络节点,该第一网络节点可以向第二网络节点发送上下文请求消息,用于请求获取该终端设备的上下文信息,可选地,该上下文请求消息可以携带该终端设备的标识信息,该第二网络节点接收到该上下文请求消息后,可以向该第一网络节点回复该终端设备的上下文信息,进一步地,该第一网络节点可以根据该终端设备的上下文信息,恢复该终端设备的RRC连接。
可选地,该第二网络节点可以拒绝更改该终端设备的锚网络节点,此情况下,该第二网络节点可以拒绝向该第一网络节点回复该终端设备的上下文信息,例如,该第二网络节点可以向该第一网络节点回复拒绝消息,用于指示不更改该终端设备的锚网络节点,或者,该第二网络节点也可以不回复该第一网络节点。
在该第一网络节点接收到该拒绝消息,或者未接收到第二网络节点回复的响应消息的情况下,该第一网络节点可以确定不更改该终端设备的锚网络节点,进一步地,该第一网络节点可以向该第二网络节点转发该终端设备发送的RRC连接恢复请求,具体的,该第一网络节点可以通过容器(container)的方式将该RRC连接恢复响应消息发送给该第二网络节点。然后该第一网络节点可以接收该第二网络节点回复的RRC连接恢复响应消息,进一步地,该第一网络节点可以将该第二网络节点发送的该RRC连接恢复响应消息转发给该终端设备,具体的,该第一网络节点可以通过容器(container)的方式将该 RRC连接恢复响应消息发送给该终端设备,用于该终端设备的RRC连接的恢复。
可选地,在一些实施例中,所述方法200还包括:
在确定不更改所述终端设备的锚网络节点的情况下,所述第一网络节点向所述第二网络节点转发所述RRC连接恢复请求;
所述第一网络节点根据所述第二网络节点回复的响应消息,恢复所述终端设备的RRC连接。
具体实现过程可以参考前文的相关描述,这里不再赘述。
图3是本申请实施例提供的通信方法300的示意性流程图,该方法300可以由图1所示的通信系统100中的网络设备执行,如图3所示,该方法300可以包括如下内容:
S310,第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
S320,所述第一网络节点向所述第二网络节点转发所述RRC连接恢复请求;
S330,所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接。
该实施例中,该第二网络节点接收到该第一网络节点发送的该RRC连接恢复请求后,可以确定是否更改该终端设备的锚网络节点,即在该实施例中,是否更改由该终端设备的锚网络节点,由该第二网络节点决定。
可选地,该第二网络节点可以根据自身的负荷,确定是否更改该终端设备的锚网络节点,例如,该第二网络节点可以在自身的负荷较大的情况下,确定更改该终端设备的锚网络节点,在自身的负荷较轻的情况下,确定不更改该终端设备的锚网络节点,从而能够实现网络设备的负荷均衡。
可选地,该第二网络节点可以根据终端设备恢复RRC连接的触发事件,确定是否更改该终端设备的锚网络节点,具体实现可以参考前文的相关描述,这里不再赘述。
可选地,若该第二网络节点确定更改该终端设备的锚网络节点,该第二网络节点可以向该第一网络节点回复终端设备的上下文信息,从而该第一网络节点可以根据该终端设备的上下文信息,恢复该终端设备的RRC连接。
可选地,若该第二网络节点确定不更改该终端设备的锚网络节点,则该第二网络节点可以向该第一网络节点回复RRC连接恢复响应消息,从而该第一网络节点可以将该RRC连接恢复响应消息转发给该终端设备,具体的,该第一网络节点可以通过容器 (container)的方式将该RRC连接恢复响应消息发送给终端设备,用于恢复该终端设备的RRC连接。
以上,结合图2至图3,从当前的网络节点的角度描述了根据本申请实施例的通信方法,以下,结合图4,从终端设备的角度,描述根据本申请实施例的通信方法。应理解,网络节点的描述和终端设备的描述相互对应,相似的描述可以参见上文,为避免重复,此处不再赘述。
图4是本申请实施例提供的通信方法400的示意性流程图,该方法400可以由图1所示的通信系统100中的终端设备执行,如图4所示,该方法400可以包括如下内容:
S410,处于非激活态的终端设备确定是否更改所述终端设备的锚网络节点;
S420,所述终端设备向第一网络节点发送无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,所述第一网络节点上不保存所述终端设备的上下文信息。
可选地,终端设备可以根据该RRC连接恢复请求的触发事件,确定是否更改所述终端设备的锚网络节点,例如,若该触发事件为该终端设备自身发起的RAN位置区域更新,此情况下,该终端设备可以确定不必更改锚网络节点,从而能够降低网络的信令开销。
可选地,在一些实施例中,所述方法400还包括:
在不更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点转发的第二网络设备发送的RRC连接恢复响应消息,所述第二网络节点为所述终端设备的锚网络节点,所述第二网络节点上保存所述终端设备的上下文信息。
可选地,在一些实施例中,所述方法400还包括:
在更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点发送的RRC连接恢复响应消息。
可选地,在一些实施例中,410可以包括:
若所述终端设备从非激活态切换至连接态的触发事件为接入网RAN位置区域更新时,所述终端设备确定不更改所述终端设备的锚网络节点。
以上,结合图2至图4,从当前服务的网络节点和终端设备的角度描述了根据本申请实施例的通信方法,以下,结合图5,从锚网络节点的角度,描述根据本申请实施例的通信方法。应理解,锚网络节点的描述和当前服务的网络节点,以及终端设备的描述相互对应,相似的描述可以参见上文,为避免重复,此处不再赘述。
图5是本申请实施例提供的通信方法10的示意性交互图,该方法10可以由图1所 示的通信系统100中的网络设备执行,如图5所示,该方法10可以包括如下内容:
S11,第二网络节点接收第一网络节点转发的非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
S12,所述第二网络节点确定是否更改所述终端设备的锚网络节点。
可选地,在一些实施例中,所述方法10还包括:
在确定不变更所述终端设备的锚网络节点的情况下,所述第二网络节点向所述第一网络节点回复所述RRC连接恢复响应消息,以便于所述第一网络节点将所述RRC连接恢复响应消息转发给所述终端设备。
可选地,在一些实施例中,所述方法10还包括:
在确定变更所述终端设备的锚网络节点的情况下,所述第二网络节点向所述第一网络节点回复所述终端设备的上下文信息。
上文结合图2至图5,详细描述了本申请的方法实施例,下文结合图6至图11,详细描述本申请的装置实施例,应理解,装置实施例与方法实施例相互对应,类似的描述可以参照方法实施例。
图6示出了根据本申请实施例的网络设备500的示意性框图。如图6所示,该网络设备500包括:
通信模块510,配置为接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点;
其中,所述网络设备是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述网络设备上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
确定模块520,配置为根据所述指示信息,确定是否更改所述终端设备的锚网络节点。
应理解,根据本申请实施例的网络设备500可对应于本申请方法实施例中的第一网络节点,并且网络设备500中的各个单元的上述和其它操作和/或功能分别为了实现图2所示方法200中第一网络节点的相应流程,为了简洁,在此不再赘述。
图7是根据本申请实施例的网络设备的示意性框图。图7的网络设备600包括:
通信模块610,配置为接收处于非激活态的终端设备发送的无线资源控制RRC连接 恢复请求,其中,所述网络设备是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述网络设备上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;以及向所述第二网络节点转发所述RRC连接恢复请求;
恢复模块620,配置为根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接。
具体地,该网络设备600可以对应(例如,可以配置于或本身即为)上述方法300中描述的第一网络节点,并且,该网络设备600中的各模块或单元分别配置为执行上述方法300中第一网络节点所执行的各动作或处理过程,这里,为了避免赘述,省略其详细说明。
图8是根据本申请实施例的终端设备的示意性框图。图8的终端设备700包括:
确定模块710,配置为确定是否更改所述终端设备的锚网络节点,其中,所述终端设备处于非激活态;
通信模块720,配置为向第一网络节点发送无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,所述第一网络节点上不保存所述终端设备的上下文信息。
具体地,该终端设备700可以对应(例如,可以配置于或本身即为)上述方法400中描述的终端设备,并且,该终端设备700中的各模块或单元分别配置为执行上述方法400中终端设备所执行的各动作或处理过程,这里,为了避免赘述,省略其详细说明。
图9是根据本申请实施例的网络设备的示意性框图。图9的网络设备800包括:
通信模块810,配置为接收第一网络节点转发的非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,网络设备为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述网络设备上保存所述终端设备的上下文信息;
确定模块820,配置为确定是否更改所述终端设备的锚网络节点。
具体地,该网络设备800可以对应(例如,可以配置于或本身即为)上述方法10中描述的第二网络节点,并且,该网络设备800中的各模块或单元分别配置为执行上述方法10中第二网络节点所执行的各动作或处理过程,这里,为了避免赘述,省略其详细说明。
如图10所示,本申请实施例还提供了一种网络设备900,所述网络设备900可以为 图6中的网络设备500,或图7中的网络设备600,或图9中的网络设备800,其能够配置为执行图2中方法200对应的第一网络节点,或图3中方法300对应的第一网络节点,或图5中方法10对应的第二网络节点的内容。所述网络设备900包括:输入接口910、输出接口920、处理器930以及存储器940,所述输入接口910、输出接口920、处理器930和存储器940可以通过总线系统相连。所述存储器940配置为存储包括程序、指令或代码。所述处理器930,配置为执行所述存储器940中的程序、指令或代码,以控制输入接口910接收信号、控制输出接口920发送信号以及完成前述方法实施例中的操作。
应理解,在本申请实施例中,所述处理器930可以是中央处理单元(Central Processing Unit,简称为“CPU”),所述处理器930还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者所述处理器也可以是任何常规的处理器等。
所述存储器940可以包括只读存储器和随机存取存储器,并向处理器930提供指令和数据。存储器940的一部分还可以包括非易失性随机存取存储器。例如,存储器940还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器930中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。所述存储介质位于存储器940,处理器930读取存储器940中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,图6中网络设备500包括的通信模块510可以用图10的所述输出接口920和所述输入接口910实现,图6中网络设备500包括的确定模块520可以用图10的所述处理器930实现。
一个具体的实施方式中,图7中网络设备600包括的通信模块610可以用图10的所述输出接口920和所述输入接口910实现,图7中网络设备600包括的恢复模块620可以用图10的所述处理器930实现。
一个具体的实施方式中,图9中网络设备800包括的通信模块810可以用图10的所述输出接口920和所述输入接口910实现,图7中网络设备600包括的恢复模块820可以用图10的所述处理器930实现。
如图11所示,本申请实施例还提供了一种终端设备1000,所述终端设备1000可以 为图8中的终端设备700,其能够配置为执行与图4中方法400对应的终端设备的内容。所述设备1000包括:输入接口1010、输出接口1020、处理器1030以及存储器1040,所述输入接口1010、输出接口1020、处理器1030和存储器1040可以通过总线系统相连。所述存储器1040配置为存储包括程序、指令或代码。所述处理器1030,配置为执行所述存储器1040中的程序、指令或代码,以控制输入接口1010接收信号、控制输出接口1020发送信号以及完成前述方法实施例中的操作。
应理解,在本申请实施例中,所述处理器1030可以是中央处理单元(Central Processing Unit,简称为“CPU”),所述处理器1030还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者所述处理器也可以是任何常规的处理器等。
所述存储器1040可以包括只读存储器和随机存取存储器,并向处理器1030提供指令和数据。存储器1040的一部分还可以包括非易失性随机存取存储器。例如,存储器1040还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器1030中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。所述存储介质位于存储器1040,处理器1030读取存储器1040中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,图8中终端设备700包括的确定模块710可以用图11的所述处理器1030实现,图8中的终端设备700包括的通信模块720可以用图11中的所述输出接口1020和所述输入接口1010实现。
本申请实施例还提出了一种计算机可读存储介质,该计算机可读存储介质存储一个或多个程序,该一个或多个程序包括指令,该指令当被包括多个应用程序的便携式电子设备执行时,能够使该便携式电子设备执行图2至图5所示实施例的方法。
本申请实施例还提出了一种计算机程序,该计算机程序包括指令,当该计算机程序被计算机执行时,使得计算机可以执行图2至图5所示实施例的方法的相应流程。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术 人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应所述理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者所述技术方案的部分可以以软件产品的形式体现出来,所述计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (30)

  1. 一种通信方法,包括:
    第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点;
    其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
    所述第一网络节点根据所述指示信息,确定是否更改所述终端设备的锚网络节点。
  2. 根据权利要求1所述的方法,其中,所述第一网络节点根据所述指示信息,确定是否更改所述终端设备的锚网络节点,包括:
    若所述指示信息指示更改所述终端设备的锚网络节点,所述第一网络节点确定更改所述终端设备的锚网络节点;或
    若所述指示信息指示不更改所述终端设备的锚网络节点,所述第一网络节点确定不更改所述终端设备的锚网络节点。
  3. 根据权利要求1或2所述的方法,其中,所述方法还包括:
    在确定更改所述终端设备的锚网络节点的情况下,所述第一网络节点从所述第二网络节点获取所述终端设备的上下文信息;
    所述第一网络节点根据所述终端设备的上下文信息,恢复所述终端设备的RRC连接。
  4. 根据权利要求3所述的方法,其中,所述第一网络节点从所述第二网络节点获取所述终端设备的上下文信息,包括:
    所述第一网络节点向所述第二网络节点发送上下文请求消息,所述上下文请求消息用于请求获取所述终端设备的上下文信息;
    所述第一网络节点接收所述第二网络节点回复的所述终端设备的上下文信息。
  5. 根据权利要求1或2所述的方法,其中,所述方法还包括:
    在确定不更改所述终端设备的锚网络节点的情况下,所述第一网络节点向所述第二网络节点转发所述RRC连接恢复请求;
    所述第一网络节点根据所述第二网络节点回复的响应消息,恢复所述终端设备的RRC连接。
  6. 一种通信方法,包括:
    第一网络节点接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
    所述第一网络节点向所述第二网络节点转发所述RRC连接恢复请求;
    所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接。
  7. 根据权利要求6所述的方法,其中,所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接,包括:
    若所述响应消息为所述RRC连接恢复响应消息,所述第一网络节点将所述响应消息转发给所述终端设备。
  8. 根据权利要求6所述的方法,其中,所述第一网络节点根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接,包括:
    若所述响应消息为所述终端设备的上下文信息,所述第一网络节点根据所述终端设备的上下文信息恢复所述终端设备的RRC连接。
  9. 一种通信方法,包括:
    处于非激活态的终端设备确定是否更改所述终端设备的锚网络节点;
    所述终端设备向第一网络节点发送无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,所述第一网络节点上不保存所述终端设备的上下文信息。
  10. 根据权利要求9所述的方法,其中,所述方法还包括:
    在不更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点转发的第二网络设备发送的RRC连接恢复响应消息,所述第二网络节点为所述终端设备的锚网络节点,所述第二网络节点上保存所述终端设备的上下文信息。
  11. 根据权利要求9所述的方法,其中,所述方法还包括:
    在更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点发送的RRC连接恢复响应消息。
  12. 根据权利要求9至11中任一项所述的方法,其中,所述处于非激活态的终端设备确定是否更改所述终端设备的锚网络节点,包括:
    若所述终端设备从非激活态切换至连接态的触发事件为接入网RAN位置区域更新 时,所述终端设备确定不更改所述终端设备的锚网络节点。
  13. 一种通信方法,包括:
    第二网络节点接收第一网络节点转发的非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
    所述第二网络节点确定是否更改所述终端设备的锚网络节点。
  14. 根据权利要求13所述的方法,其中,所述方法还包括:
    在确定不变更所述终端设备的锚网络节点的情况下,所述第二网络节点向所述第一网络节点回复所述RRC连接恢复响应消息,以便于所述第一网络节点将所述RRC连接恢复响应消息转发给所述终端设备。
  15. 根据权利要求14所述的方法,其中,所述方法还包括:
    在确定变更所述终端设备的锚网络节点的情况下,所述第二网络节点向所述第一网络节点回复所述终端设备的上下文信息。
  16. 一种网络设备,包括:
    通信模块,配置为接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点;
    其中,所述网络设备是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述网络设备上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;
    确定模块,配置为根据所述指示信息,确定是否更改所述终端设备的锚网络节点。
  17. 根据权利要求16所述的网络设备,其中,所述确定模块具体配置为:
    若所述指示信息指示更改所述终端设备的锚网络节点,确定更改所述终端设备的锚网络节点;或
    若所述指示信息指示不更改所述终端设备的锚网络节点,确定不更改所述终端设备的锚网络节点。
  18. 根据权利要求16或17所述的网络设备,其中,所述网络设备还包括:
    获取模块,配置为在确定更改所述终端设备的锚网络节点的情况下,所述网络设备从所述第二网络节点获取所述终端设备的上下文信息;
    恢复模块,配置为根据所述终端设备的上下文信息,恢复所述终端设备的RRC连 接。
  19. 根据权利要求18所述的网络设备,其中,所述通信模块具体配置为:
    向所述第二网络节点发送上下文请求消息,所述上下文请求消息用于请求获取所述终端设备的上下文信息;
    接收所述第二网络节点回复的所述终端设备的上下文信息。
  20. 根据权利要求16或17所述的网络设备,其中,所述通信模块还配置为:
    在确定不更改所述终端设备的锚网络节点的情况下,向所述第二网络节点转发所述RRC连接恢复请求;
    所述网络设备还包括:
    恢复模块,配置为根据所述第二网络节点回复的响应消息,恢复所述终端设备的RRC连接。
  21. 一种网络设备,包括:
    通信模块,配置为接收处于非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述网络设备是当前为所述终端设备服务的网络节点,第二网络节点为所述终端设备的锚网络节点,所述网络设备上不保存所述终端设备的上下文信息,所述第二网络节点上保存所述终端设备的上下文信息;以及向所述第二网络节点转发所述RRC连接恢复请求;
    恢复模块,配置为根据所述第二网络节点的响应消息,恢复所述终端设备的RRC连接。
  22. 根据权利要求21所述的网络设备,其中,所述通信模块还配置为:
    若所述响应消息为所述RRC连接恢复响应消息,将所述响应消息转发给所述终端设备。
  23. 根据权利要求21所述的网络设备,其中,所述恢复模块具体配置为:
    若所述响应消息为所述终端设备的上下文信息,根据所述终端设备的上下文信息恢复所述终端设备的RRC连接。
  24. 一种终端设备,包括:
    确定模块,配置为确定是否更改所述终端设备的锚网络节点,其中,所述终端设备处于非激活态;
    通信模块,配置为向第一网络节点发送无线资源控制RRC连接恢复请求,所述RRC连接恢复请求包括指示信息,所述指示信息用于指示是否更改所述终端设备的锚网络节点,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,所述第一网络节 点上不保存所述终端设备的上下文信息。
  25. 根据权利要求24所述的终端设备,其中,所述通信模块还配置为:
    在不更改所述终端设备的锚网络节点的情况下,接收所述第一网络节点转发的第二网络设备发送的RRC连接恢复响应消息,所述第二网络节点为所述终端设备的锚网络节点,所述第二网络节点上保存所述终端设备的上下文信息。
  26. 根据权利要求24所述的终端设备,其中,所述通信模块还配置为:
    在更改所述终端设备的锚网络节点的情况下,所述终端设备接收所述第一网络节点发送的RRC连接恢复响应消息。
  27. 根据权利要求24至26中任一项所述的终端设备,其中,所述确定模块具体配置为:
    若所述终端设备从非激活态切换至连接态的触发事件为接入网RAN位置区域更新时,确定不更改所述终端设备的锚网络节点。
  28. 一种网络设备,包括:
    通信模块,配置为接收第一网络节点转发的非激活态的终端设备发送的无线资源控制RRC连接恢复请求,其中,所述第一网络节点是当前为所述终端设备服务的网络节点,网络设备为所述终端设备的锚网络节点,所述第一网络节点上不保存所述终端设备的上下文信息,所述网络设备上保存所述终端设备的上下文信息;
    确定模块,配置为确定是否更改所述终端设备的锚网络节点。
  29. 根据权利要求28所述的网络设备,其中,所述通信模块还配置为:
    在确定不变更所述终端设备的锚网络节点的情况下,向所述第一网络节点回复所述RRC连接恢复响应消息,以便于所述第一网络节点将所述RRC连接恢复响应消息转发给所述终端设备。
  30. 根据权利要求29所述的网络设备,其中,所述通信模块还配置为:
    在确定变更所述终端设备的锚网络节点的情况下,向所述第一网络节点回复所述终端设备的上下文信息。
PCT/CN2018/076850 2018-02-14 2018-02-14 通信方法、网络设备和终端设备 WO2019157716A1 (zh)

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