WO2019029465A1 - 一种rna分配的方法、网络设备及终端 - Google Patents
一种rna分配的方法、网络设备及终端 Download PDFInfo
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- WO2019029465A1 WO2019029465A1 PCT/CN2018/098897 CN2018098897W WO2019029465A1 WO 2019029465 A1 WO2019029465 A1 WO 2019029465A1 CN 2018098897 W CN2018098897 W CN 2018098897W WO 2019029465 A1 WO2019029465 A1 WO 2019029465A1
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- terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/38—Reselection control by fixed network equipment
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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
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing 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
- H04W8/08—Mobility data transfer
- H04W8/14—Mobility data transfer between corresponding nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
Definitions
- the present application relates to the field of communications technologies, and in particular, to a method, a network device, and a terminal for RNA distribution.
- the Radio Resource Control (RRC) deactivation state is a newly defined terminal communication state in 5G.
- the Inactive state the core network, the network device, and the terminal all retain corresponding context information, but the terminal is in the Inactive state in the radio access network (RAN) notification area (RAN)
- RAN radio access network
- the network may not be notified, but the network needs to be notified after removing the RNA allocated by the terminal in the inactive state on the network side.
- the new network device may re-allocate the RNA for the terminal.
- These conditions may include that the new network device and the old network device belong to different RNAs, or that the new network device is at the edge of the current RNA during the periodic RNA update process.
- the redistributed RNA needs to include which cells are not solved.
- the present application provides a method, a network device, and a terminal for RNA distribution, in order to re-allocate RNA for a terminal in an Inactive state (or a connected state), according to RNA information recently accessed by the terminal (also can be understood as a terminal)
- the mobile trajectory) and/or support for the inactive state assigning RNA to the terminal device to make the allocation of RNA more reasonable, reducing non-periodic RNA updates, saving signaling overhead and power consumption.
- the present application can further enrich the movement track of the terminal according to the stay time of the terminal, so that the network side can more accurately judge the network side, so that the network side can allocate new RNA more accurately.
- a first aspect provides a method for RNA distribution, the method comprising: receiving, by a first network device, a first message sent by a terminal, the first message carrying RNA information recently accessed by the terminal; the first network device Sending, by the terminal, a reply message of the first message, where the reply message carries the RNA information allocated by the first network device to the terminal.
- the RNA information that the terminal has recently accessed is used to indicate at least one cell or at least one network device that the terminal passes before moving to the first network device.
- the representation manner of the RNA information includes the following information or a combination of multiple information: radio access network paging area information, cell identification information, base station identification information, and tracking area. Information and registration area information.
- the method further includes the first network device determining whether to re-allocate the RNA for the terminal based on RNA information recently accessed by the terminal.
- the RNA information allocated by the first network device to the terminal is allocated according to the RNA information recently accessed by the terminal.
- the first message further carries a dwell time of the terminal, where the dwell time is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the residence time of the equipment is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the RNA information allocated by the first network device to the terminal is allocated according to a dwell time of the terminal.
- the method further includes: determining whether the inactive state is supported by the first network device, where the inactive state includes at least one or a combination of the following, whether the first network device supports an inactive state, Whether the cell in which the terminal is currently in the inactive state is supported, and whether the PLMN corresponding to the cell in which the terminal is currently located supports the inactive state.
- the RNA information allocated by the first network device to the terminal is determined according to the RNA information recently accessed by the terminal, and the first network device determines whether to support inactive Status assigned.
- the method further includes: the first network device receiving a feedback message sent by the second network device, where the feedback message carries a periodic RNA update number of the terminal, where the periodic RNA update times includes the terminal The number of periodic RNA updates that have been made since the transition from the connected state to the inactive state.
- the first network device can determine whether to set the terminal to the inactive state or directly to the idle state according to the number of received RNA updates.
- the method further includes: the first network device receiving the RNA information of the second network device sent by the second network device.
- the method further includes: the first network device receiving information about whether the second network device sends an inactive state.
- a second aspect provides a method for distributing an RNA, the method comprising: a first message sent by a terminal to a first network device, where the first message carries RNA information recently accessed by the terminal; a reply message of the first message sent by the first network device, where the reply message carries the RNA information allocated by the first network device to the terminal;
- the RNA information that the terminal has recently accessed is used to indicate at least one cell or at least one network device that the terminal passes before moving to the first network device;
- the representation manner of the RNA information includes the following information or a combination of multiple information: radio access network paging area information, cell identification information, base station identification information, and tracking area. Information and registration area information.
- the first message further carries a dwell time of the terminal, where the dwell time is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the residence time of the equipment is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the third aspect provides a network device for distributing RNA, the network device includes: a receiving unit, configured to receive a first message sent by the terminal, where the first message carries RNA information recently accessed by the terminal; And sending, by the terminal, a reply message of the first message, where the reply message carries the RNA information allocated by the first network device to the terminal.
- the RNA information that the terminal has recently accessed is used to indicate at least one cell or at least one network device that the terminal passes before moving to the first network device.
- the representation manner of the RNA information includes the following information or a combination of multiple information: radio access network paging area information, cell identification information, base station identification information, and tracking area. Information and registration area information.
- the network device further includes a determining unit, configured to determine, according to the RNA information recently accessed by the terminal, whether to re-allocate the RNA for the terminal.
- the RNA information allocated by the first network device to the terminal is allocated according to the RNA information recently accessed by the terminal.
- the first message further carries a dwell time of the terminal, where the dwell time is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the residence time of the equipment is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the network device further includes: a determining unit, configured to determine whether an inactive state is supported, where the supporting the inactive state includes a combination of one or more of the following, Whether the first network device supports the inactive state, whether the cell in which the terminal is currently in the inactive state, and whether the PLMN corresponding to the cell in which the terminal is currently located supports the inactive state.
- a determining unit configured to determine whether an inactive state is supported, where the supporting the inactive state includes a combination of one or more of the following, Whether the first network device supports the inactive state, whether the cell in which the terminal is currently in the inactive state, and whether the PLMN corresponding to the cell in which the terminal is currently located supports the inactive state.
- the RNA information allocated by the first network device to the terminal is determined according to the RNA information recently accessed by the terminal and the first network device. Support for inactive state allocation.
- the receiving unit is further configured to: receive a feedback message sent by the second network device, where the feedback message carries a periodic RNA update number of the terminal, where the periodicity
- the number of RNA updates includes the number of periodic RNA updates that have been made since the terminal transitioned from the connected state to the inactive state.
- the receiving unit is further configured to receive the RNA information of the second network device that is sent by the second network device.
- the receiving unit is further configured to: receive information about whether the second network device sends an inactive state.
- the fourth aspect provides a terminal for RNA distribution, where the terminal includes: a sending unit, configured to send a first message to the first network device, where the first message carries the RNA information recently accessed by the terminal; a unit, configured to receive a reply message of the first message sent by the first network device, where the reply message carries RNA information allocated by the first network device to the terminal, where the terminal
- the recently accessed RNA information is used to indicate at least one cell or at least one network device that the terminal passed before moving to the first network device.
- the first message further carries a dwell time of the terminal, where the dwell time is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the residence time of the equipment is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- a network device for distributing RNA includes a transmitter, a receiver, and a processor: the receiver is configured to receive a first message sent by the terminal, where the first message carries the The RNA information that the terminal has recently accessed; the sender is configured to send a reply message of the first message to the terminal, where the reply message carries the RNA information allocated by the first network device to the terminal.
- the RNA information that the terminal has recently accessed is used to indicate at least one cell or at least one network device that the terminal passes before moving to the first network device.
- the representation manner of the RNA information includes the following information or a combination of multiple information: radio access network paging area information, cell identification information, base station identification information, and tracking area. Information and registration area information.
- the processor is configured to determine, according to the RNA information that the terminal has recently accessed, whether to re-allocate the RNA for the terminal.
- the RNA information allocated by the first network device to the terminal is allocated according to the RNA information that the terminal recently accessed.
- the first message further carries a dwell time of the terminal, where the dwell time is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the residence time of the equipment is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the processor is configured to determine whether an inactive state is supported, where the supporting the inactive state includes a combination of one or more of the following, the first network device Whether the inactive state is supported, whether the cell in which the terminal is currently in the inactive state is supported, and whether the PLMN corresponding to the cell in which the terminal is currently located supports the inactive state.
- the RNA information allocated by the first network device to the terminal is determined according to the RNA information recently accessed by the terminal and the first network device. Support for inactive state allocation.
- the receiver is further configured to: receive a feedback message sent by the second network device, where the feedback message carries a periodic RNA update number of the terminal, where the periodicity
- the number of RNA updates includes the number of periodic RNA updates that have been made since the terminal transitioned from the connected state to the inactive state.
- the receiver is further configured to receive the RNA information of the second network device that is sent by the second network device.
- the receiver is further configured to receive information about whether the second network device sends an inactive state.
- a sixth aspect provides a terminal for RNA distribution, the terminal comprising: a transmitter, a receiver, and a processor, the transmitter, configured to send, to the first network device, a first message, where the first message carries The RNA information that the terminal has recently accessed; the receiver is configured to receive a reply message of the first message sent by the first network device, where the reply message carries the first network device as described The RNA information allocated by the terminal; wherein the RNA information recently accessed by the terminal is used to indicate at least one cell or at least one network device that the terminal passes before moving to the first network device.
- the first message further carries a dwell time of the terminal, where the dwell time is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- the residence time of the equipment is at least one cell or at least one network indicated by the recently accessed RNA information of the terminal.
- a computer readable storage medium comprising instructions, when executed on a computer, causing the computer to perform the method of any of the above aspects.
- a computer program product comprising instructions, when executed on a computer, causing the computer to perform the method of any of the above aspects.
- a computer program which, when run on a computer, causes the computer to perform the method of any of the above aspects.
- the present application also provides a method, a network device and a terminal, which determine the state in which the terminal is placed according to the number of periodic RNA updates of the terminal. For the terminal in the inactive state, the new network device decides which state the terminal is placed according to the number of periodic RNA updates and/or whether there is data to be sent, and the number of periodic RNA updates can reflect the activity level of the terminal, combined with this The parameters determine which state the terminal is placed in to make the allocation more accurate, reduce state switching, and save signaling overhead and power consumption.
- a tenth aspect a method for setting a terminal state, the method comprising:
- the first network device receives a feedback message sent by the device, where the feedback message carries the periodic RNA update times of the terminal, where the periodic RNA update times include a periodicity that has been performed after the terminal transitions from the connected state to the inactive state.
- the first network device sends a reply message of the first message to the terminal, where the reply message is used to indicate a state in which the terminal is placed.
- the device comprises a second network device and/or the terminal.
- the reply message when the number of periodic RNA updates is greater than or equal to a preset value, the reply message is used to place the terminal in a deactivated state or an idle state.
- the first network device or the terminal is based on the received number of periodic RNA updates Continue to count.
- the first network device or the terminal sets the received periodic update number of periodic RNAs to Set a value, for example, the preset value is zero. Or delete the periodic RNA update count value.
- the first network device or the terminal re-counts the number of periodic RNA updates if the terminal is set or remains connected.
- the first network device or the terminal sets the received periodic RNA update number to a preset value.
- the preset value is zero. Or delete the periodic RNA update count value.
- the first network device or the terminal re-counts the number of periodic RNA updates if the terminal is set or remains idle.
- a method for setting a terminal state comprising
- the terminal sends an RRC message to the first network device, where the RRC message carries the number of periodic RNA updates of the terminal, where the number of periodic RNA updates includes a period that has been performed after the terminal transitions from the connected state to the inactive state.
- the number of sexual RNA updates the terminal receives a reply message, which is used to indicate what state the terminal is placed in.
- the reply message when the number of periodic RNA updates is greater than or equal to a preset value, the reply message is used to put the terminal into a deactivated state or an idle state.
- the first network device or the terminal is based on the number of periodic RNA updates received Continue to count on.
- the first network device or the terminal sets the received periodic RNA update times as default value. Or delete the periodic RNA update count value.
- the first network device or the terminal re-counts the number of periodic RNA updates if the terminal is set or remains connected.
- the first network device or the terminal sets the preset number of the periodic RNA updates received as a preset
- the value for example, the preset value is zero. Or delete the periodic RNA update count value.
- the first network device or the terminal re-counts the number of periodic RNA updates if the terminal is set or remains idle.
- a method for setting a terminal state comprising:
- the second network device sends a feedback message to the first network device, where the feedback message carries the periodic RNA update times of the terminal, where the periodic RNA update times include that the terminal has performed after transitioning from the connection state to the inactive state.
- the second network device receives a release message sent by the first network device, where the release message is used to indicate that the context of the terminal is released.
- the release message sent by the first network device includes the identifier information of the terminal device, for example, the identifier information may be a Resume ID.
- a thirteenth aspect provides a network device, the network device comprising a receiving unit and a transmitting unit, the receiving unit and the transmitting unit performing the method described in any of the above aspects.
- a fourteenth aspect provides a network device, the network device comprising a receiver, a transmitter, and the transmitter for performing the method of any of the above aspects.
- a fifteenth aspect provides a terminal, the terminal comprising a receiving unit and a transmitting unit, wherein the receiving unit and the transmitting unit are configured to perform the method described in any of the above aspects.
- a sixteenth aspect provides a terminal, the terminal comprising a receiver, a transmitter, and the transmitter for performing the method of any of the above aspects.
- a computer readable storage medium comprising instructions, when executed on a computer, causing the computer to perform the method of any of the above aspects.
- a computer program product comprising instructions, when executed on a computer, causing the computer to perform the method of any of the above aspects.
- a computer program which, when run on a computer, causes the computer to perform the method of any of the above aspects.
- the present application also provides an RPA information interaction method.
- the RPA information may be exchanged during the process of establishing an interface between the network devices or during the network device update process.
- the twentieth aspect provides a method, including: a first network device sends a third message to a second network device; the second network device sends a fourth message to the first network device, where the fourth message is a third message Reply message.
- the third message may include a message for establishing an interface and/or a message for updating.
- the third message includes an Xn interface setup request or a gNB configuration update message.
- the fourth message includes an Xn setup feedback message or a gNB configuration update acknowledgement message.
- the third message carries RPA information of the first network device
- the fourth message carries RPA information of the second network device.
- the present application also provides an inactive state interaction method.
- the interface may be established during the process of establishing an interface between the network devices or during the network device update process.
- the twenty-first aspect provides a method, including: a first network device sends a third message to a second network device; the second network device sends a fourth message to the first network device, where the fourth message is a third message The reply message of the message.
- the third message may include a message for establishing an interface and/or a message for updating.
- the third message includes an Xn interface setup request or a gNB configuration update message.
- the fourth message includes an Xn setup feedback message or a gNB configuration update acknowledgement message.
- the third message carries whether the first network device supports the inactive state; and/or the fourth message carries whether the second network device supports the inactive state.
- whether the inactive state is supported includes at least one or a combination of the following, whether the first/second network device supports an inactive state, and the terminal Whether the currently located cell supports the inactive state, and whether the PLMN corresponding to the cell in which the terminal is currently located supports the inactive state.
- FIG. 1 is a network architecture diagram of an application according to an embodiment of the present application
- FIG. 2 is a flow chart of a method for RNA distribution in the present application
- FIG. 3 is a flowchart of a method for setting a terminal state provided by the present application.
- FIG. 5 is a schematic flowchart of establishing interactive RNA information through an Xn interface according to the present application
- FIG. 6 is a schematic diagram of an RNA update process provided by the present application.
- RNA update process 7 is a schematic diagram of an RNA update process provided by the present application.
- FIG. 8 is a schematic diagram of a cell reselection process provided by the present application.
- FIG. 9 is a schematic structural diagram of an apparatus 100 provided by the present application.
- FIG. 10 is a schematic structural diagram of a base station 1000 provided by the present application.
- FIG. 11 is a schematic structural diagram of a UE2000 according to the present application.
- first, second, etc. may be used to describe various network devices or messages in the embodiments of the present application, these network devices or messages should not be limited to these terms. These terms are only used to distinguish one from another.
- the first network device may also be referred to as a second network device without departing from the scope of the embodiments of the present application.
- the second network device may also be referred to as a first network device; the messages are similar.
- the network device can be any device with wireless transceiver function. Including but not limited to: network devices (eg, network device NodeB, evolved network device eNodeB, network device (gNB) in the fifth generation (5G) communication system, network device or network device in future communication system , an access node in a WiFi system, a wireless relay node, a wireless backhaul node, and the like.
- the network device may also be a wireless controller in a cloud radio access network (CRAN) scenario.
- the network device may also be a network device in a 5G network or a network device in a future evolved network; it may also be a wearable device or an in-vehicle device or the like.
- the network device 100 may also be a small station, a transmission reference point (TRP) or the like. Of course, this application is not limited to this.
- Old network device refers to a network device that reserves the core network and the RAN side control plane for the Inactive terminal.
- the old network device can generally be understood as a network device that controls the terminal to transfer from the connection state to the Inactive state, but other conditions are not excluded.
- the Inactive terminal without data transmission is in the RNA (the notification area of the RAN, The RAN based Notification Area (RNA) remains in the inactive state after the update, and does not need to be transferred to the connection state first.
- the network device only reconfigures the terminal without state transition, the core network side The connection to the RNA side is transferred, and the network device in which the control terminal maintains the Inactive state is also referred to as the old network device.
- a new (new) network device which is a network device corresponding to the old network device, is a network device that can currently provide services for the terminal, and the terminal and the at least one cell included in the new network device may have downlink synchronization, and receive a new network device.
- the broadcast signal, and the terminal interacts with the network through the new network device.
- the terminal is a device with wireless transceiver function that can interact with the network device and can be deployed on land, including indoor or outdoor, handheld, wearable or on-board; it can also be deployed on the water surface (such as a ship); Deployed in the air (such as airplanes, balloons, satellites, etc.).
- the terminal may be a mobile phone, a tablet, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, and an industrial control (industrial) Wireless terminal in control), wireless terminal in self driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless in transport safety A terminal, a wireless terminal in a smart city, a wireless terminal in a smart home, and the like.
- the terminal can be a device that can communicate with the network device.
- the UE may also be referred to as a terminal device, an access terminal device, a user equipment (UE), a UE unit, a UE station, a mobile station, a mobile station, a remote station, a remote terminal device, a mobile device, a UE terminal device, and a wireless device.
- Communication device UE proxy or UE device, etc.
- Interaction refers to the process in which the two parties exchange information with each other, and the information transmitted here may be the same or different.
- the two parties are the network device 1 and the network device 2, or may be a network device and a UE. It may be that the network device 1 requests information from the network device 2, and the network device 2 provides the information requested by the network device 1 to the network device 1. Of course, the network device 1 and the network device 2 can also request information from each other.
- the interaction between the network device and the UE is the same as the interaction between the network device, and details are not described herein.
- the information requested here may be the same or different.
- Deactivation (state) state which can be called Inactive state, can also be called radio resource control (RRC) deactivation state, which is a newly defined communication state in 5G, which can be used as An independent communication state (an independent state other than the RRC connected (Connected/Active) state and the RRC idle (Idle) state) can also be understood as a sub-communication state of the connected state or the idle state.
- RRC radio resource control
- the Inactive state can be considered as an independent communication state, and the terminal in the Inactive state can have the following characteristics: A: The terminal information in the Access Stratum (AS) is simultaneously in the terminal and the radio access network ( The radio access network (RAN) side is reserved, wherein the AS context of the terminal may be saved in the old network device on the RAN side (the context is consistent with the RRC connection state context or part of the RRC connection state context), or may be used by the old network device The terminal context is transferred to other network devices for storage.
- B When the terminal moves from the Inactive state to the RRC connection state, it is not necessary to reactivate the link between the old network device and the core network control plane network element. For example, the link between the base station side and the core network side does not need to be reactivated.
- the RNA is composed of one cell or multiple cells. If it is composed of multiple cells, the multiple cells belong to the same network device, and may belong to different network devices.
- the different network devices may be network devices of the same RAT. It may be a network device of a different RAT, for example, the network device may be an eNB in a 4.5G network, or may be a gNB in a 5G network.
- the terminal in the Inactive state may not notify the network when moving inside the RNA, but only performs cell reselection based on the mobility of the terminal, and performs periodic RNA update. When the terminal in the Inactive state moves to a cell other than RNA, it needs to inform the network and perform RNA update.
- the RNA update is similar to the Tracking Area Update (TAU) in Long Term Evolution (LTE).
- TAU Tracking Area Update
- LTE Long Term Evolution
- the RPA information can uniquely identify the RPA to which the cell belongs, and the cell can notify the terminal of the RPA information to which the terminal belongs by broadcasting the RPA information.
- the RPA information may be an RPA Code (RPA Code), that is, a set of codes similar to TAC.
- the RPA information may also be an RPA Identifier/Identity (RPA ID).
- RPA ID may be expressed in the form of RPAC+PLMN, that is, the RPA ID may simultaneously represent the RPAC and PLMN of the cell.
- the RPA ID may also be expressed in the form of RPAC+TAI, that is, the RPA ID may simultaneously represent the RPAC and TAI of the cell.
- RPA can also be other ways of expression. Multiple cells can broadcast the same RPA information or broadcast different RPA information. If multiple cells broadcast the same RPA information, it means that the RPAs to which these cells belong are the same. Otherwise, the RPAs to which these cells belong are different.
- a cell identifier which may uniquely identify the cell within a certain range, and may be a physical cell identity or a cell global identifier (CGI).
- CGI cell global identifier
- the cell identifier can also be other representations.
- a network device identifier which may uniquely identify the network device within a certain range, for example, may be a global base station identifier, or may be other identifiers.
- tracking area information or registration area information may uniquely identify the tracking area or the registration area within a certain range, for example, the tracking area information may be a tracking area identification (TAI) or tracking The area code (TAC), the registration area information may be a Registration Area Identifier/Identity (RAI) or a Registered Area Code (RAC).
- TAI tracking area identification
- TAC tracking The area code
- RAI Registration Area Identifier/Identity
- RAC Registered Area Code
- RNA information can also be other representations, and no specific limitation is imposed in the present application.
- Periodic RNA update Generally, the network side will configure a timer for the terminal. If the timer expires, the terminal will initiate a periodic RNA update process to inform the network side terminal that it has not left the previously configured RNA. In the process of counting the number of periodic RNA updates, there is usually no data transmission process, and no data transmission process here can be understood as no uplink data packet or downlink data packet transmission. Of course, it should be understood that the present application does not limit whether there is data transmission. For example, if the terminal is in an inactive state, it may be possible to perform small data packet transmission without a state transition.
- Identification information of the terminal may be uniquely identified in the range of the RNA, for example, the identifier may be a Resume ID, or may be another identification method.
- the identifier of the inactive terminal may also indicate information of the old gNB, for example, the identifier of the old gNB may be indicated. It should be understood that the application does not limit the information of the old gNB to the information of the old gNB.
- the inactive terminal identifier is in the heterogeneous network device and cannot indicate the information about the gNB.
- the existing state transition scenario is as follows: the connection state is converted to the Inactive state, the connected state is converted to the idle state, the Inactive state is converted to the idle state, and the idle state is converted to the connection.
- the status and Inactive state are converted to the connected state.
- the terminal in the Inactive state is inevitably required to perform RNA update and communication status conversion.
- RNA update, data transmission, etc. the new service network device transferred to the device is reassigned to the terminal in the Inactive state.
- the RNA, and the terminal in the Inactive state will first move to the connected state, and then if there is no data transmission, then move to the Inactive state.
- the new network device does not need to re-allocate the RNA, and the terminal in the Inactive state does not need to perform state transition, for example, after moving to the new service network device and still moving within the original RNA, the new network Network devices may not have to redistribute RNA.
- the terminal in the Inactive state performs RNA update, if there is no data for transmission, it is not necessary to shift to the connected state.
- Multiple means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
- the character "/" generally indicates that the contextual object is an "or" relationship.
- FIG. 1 is a schematic diagram of a network architecture of a scenario applicable to the present application.
- the communication system shown in FIG. 1 includes a terminal, a network device, and a core network.
- the network device includes a first network device, a second network device, and a third network device.
- the first network device may be a new network device (such as new gNB), and the second network device may be an old network device (old gNB).
- the first network device and the second network device belong to the same wireless access type, and the wireless access type of the third network device is different from the wireless access type of the first network device and the second network device.
- the first network device and the second network device may be understood as a 5G network device (gNB), and the third network device may be understood as a 4G or 4.5G network device (eNB).
- the third network device may be connected to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) network device of the 5G core network, and may support setting the terminal to an Inactive state or the like.
- the core network may include access and Mobility Management Function (AMF).
- AMF can be understood as a core network control plane function, providing mobility management and access management functions for the terminal.
- AMF Access and Mobility Management Function
- the second network device that sets the terminal from the connection state to the inactive state is a network device that last provides service for the terminal in the connected state, wherein the network device that last provides service to the terminal in the connected state may be referred to as an old network device (or It can also be called an anchor network device, and the old network device retains the context information of the terminal.
- the terminal in the Inactive state has mobility. If the terminal in the Inactive state moves from the coverage of the second network device to the coverage of the first network device, the terminal in the Inactive state can use the first network device as the new service network device.
- the terminal maintains downlink synchronization with the first network device, or synchronizes with the cell of the first network device, receives a broadcast signal of the first network device, and can interact with the core network through the first network device.
- the first network device can perform data transmission or RNA update for the terminal in the Inactive state.
- the RNA update process can include periodic RNA updates as well as RNA updates due to positional movements.
- the first network device acquires the RNA information recently accessed by the terminal to more accurately allocate RNA to the terminal, thereby reducing the number of RNA updates and the air interface overhead.
- the network device may pre-interact with whether the cell included in the cell supports the Inactive state, and may also consider this factor when allocating the RNA to the terminal, so that the allocation is more accurate and the acquired may also be obtained.
- the latest RNA of the terminal and the acquired information supporting the Inactive state are combined to further improve the accuracy of the distribution.
- FIG. 2 is a flow chart of a method for RNA distribution in the present application, as shown in FIG. 2:
- the first network device receives a first message sent by the terminal, where the first message carries the RNA information that the terminal has recently accessed.
- the RNA information is used to indicate at least one cell or at least one network device that the terminal passes before the first network device.
- the representation manner of the RNA information includes the following information or a combination of multiple information: radio access network paging area information, cell identification information, base station identification information, tracking area information, and registration area information. If the RNA information that the terminal has recently accessed is in the form of a cell identifier or a cell identifier list, the cells corresponding to the cell identifiers may include only the cells that have served the terminal, that is, the terminal has signaling interaction or data transmission with the network side.
- RNA information that the terminal has recently accessed is expressed in the form of an RPA information or an RPA information list
- at least one cell in the RPA range corresponding to the RPA information is a cell that provides services for the terminal, that is, the terminal has signaling interaction with the network side or Data transmission
- at least one cell in the RPA range corresponding to the RPA information is a cell that has not served the terminal, but the terminal selects and camps on the cell through cell reselection, that is, the terminal only reads the cell.
- Broadcast information of the cell without any signaling or data interaction, or at least two cells in the RPA range corresponding to the RPA information include the above two cells at the same time.
- the at least one cell included in the network device corresponding to the network device identifier is a cell that provides services for the terminal, that is, the terminal and the network side have Signaling interaction or data transmission, or at least one cell included in the network device corresponding to the network device identifier is a cell that has not been served to the terminal, but the terminal selects and camps on the cell through cell reselection, that is,
- the terminal only reads the broadcast information of the cell without any signaling or data interaction, or the network device corresponding to the network device identifier includes at least two cells including the above two cells at the same time.
- RNA information recently accessed by the terminal is expressed in the form of TA/RA information or TA/RA information list
- at least one cell in the TA/RA range corresponding to the TA/RA information is a cell serving the terminal, that is, the terminal.
- There is signaling interaction or data transmission with the network side or at least one cell in the TA/RA range corresponding to the TA/RA information is a cell that has not served the terminal, but the terminal selects and camps through cell reselection (camp on Passing the cell, that is, the terminal only reads the broadcast information of the cell without any signaling or data interaction, or at least two cells in the TA/RA range corresponding to the TA/RA information include the above two cells at the same time.
- the first message is used by the terminal to request to restore the RRC connection, or to inform the network side to perform RNA update, or to send uplink data or signaling, or to receive a paging message on the network side, and to send uplink signaling, for example, It is an RRC connection recovery request in Embodiment 3 S1301 of the present application.
- the first message further carries a dwell time of the terminal, where the dwell time is a dwell time of at least one cell or at least one network device indicated by the RNA information recently accessed by the terminal.
- the dwell time refers to the time of staying in the cell corresponding to the cell identifier
- the dwell time refers to the cell to the cell through cell reselection or handover. The time elapsed after reselecting or switching to another cell, if served by a certain cell, may further carry the time served by the cell.
- the dwell time refers to the time that the terminal stays within the RPA range corresponding to the RPA information
- the dwell time refers to the cell reselection or handover to enter the RPA.
- the time elapsed from a cell to a cell that is re-selected by the cell or switched to another cell that does not belong to the RPA may further carry the time served by the RPA if it is served by at least one cell in the RPA.
- the dwell time refers to the time that the terminal stays within the coverage of the network device corresponding to the network device identifier
- the stay time refers to the cell reselection or Switching to a cell of the network device to a cell that is reselected by the cell or switched to another cell that does not belong to the network device, if served by at least one cell in the network device, may further carry the network The time of the equipment service.
- the dwell time refers to the time that the terminal stays within the RA/TA range corresponding to the RA/TA information
- the dwell time refers to the cell weight.
- RNA information uses some combination of the four methods of cell identifier, RPA information, network device identifier, and RA/TA information, the stay time may also be a combination of the above four methods.
- the first network device sends a reply message of the first message to the terminal, where the reply message carries the RNA information allocated by the first network device to the terminal.
- the RNA allocated by the first network device to the terminal can be carried in the message and sent to the terminal through the RNA information.
- the first network device allocates RNA to the terminal according to the received RNA information recently accessed by the terminal.
- the RNA allocated by the first network device to the terminal may be the same as or different from the RNA allocated by the second network device for the terminal (if the same, the RNA information may not be carried in the reply message of the first message), according to the allocation RNA information recently accessed by the terminal (also known as the movement trajectory of the terminal) allocates RNA to the terminal to make RNA distribution more reasonable and reduce non-periodic RNA updates.
- the reply message may be an RRC connection suspension message (RRC Connection Suspend), an RRC connection reconfiguration message (RRC Connection Reconfiguration), an RRC connection recovery message (RRC Connection Resume), or an RRC connection release message. (RRC Connection Release) may also be an RRC Connection Reject message. Of course, it may be another RRC message, and we do not limit it here.
- the method further includes: S202, the first network device determining, according to the RNA information recently accessed by the terminal, whether to re-allocate the RNA for the terminal. If the RNA information needs to be re-allocated, the re-allocated RNA information is carried in S205, and if it is not necessary to redistribute the RNA, the RNA information may not be carried in S205.
- the S203 may be, the network device determines, according to one or more of the following information, whether to re-allocate the RNA for the terminal, the information includes: the RNA information recently accessed by the terminal, the dwell time of the terminal, and whether the inactive is supported. status.
- the method further includes: S203, the first network device determines whether an inactive state is supported. Whether the inactive state is supported may include whether the first network device supports the inactive state, or whether the cell currently in the terminal supports the inactive state, or whether the PLMN corresponding to the cell currently in the terminal supports the inactive state. And comprehensively consider whether the first network device, cell or PLMN supports the inactive state. The first network device may pre-acquire whether to support the inactive state by interacting with other network devices or by other means.
- the S204 may be that the first network device allocates an RNA to the terminal according to the RNA information recently accessed by the terminal and whether the inactive state is supported.
- the method further includes: S204, the first network device receives a feedback message sent by the second network device, where the feedback message carries the periodic RNA update times of the terminal.
- the number of periodic RNA updates includes the number of periodic RNA updates that have been performed after the terminal transitions from the connected state to the inactive state.
- the terminal moves from the fourth network device to the second network device (the fourth network device may be the same device as the second network device, or may be the same device as the third network device, and is not limited herein), if the fourth The network device sets the terminal to the inactive state, and the second network device still sets the terminal to the inactive state.
- the number of periodic RNA updates may include the number of previous statistics, that is, the second network device counts in the fourth network device.
- the statistics of the number of periodic RNA updates are continued.
- the fourth network device sets the terminal from the connected state to the inactive state, and after the terminal moves to the second network device, the terminal is still in the inactive state, and the second network device performs periodic RNA update on the terminal, and the periodicity needs to be re-stated.
- the number of RNA updates which is based on the number of periodic RNA updates counted by the fourth network device.
- the number of periodic RNA updates needs to be re-stated at this time. It is based on the number of periodic RNA updates counted by the fourth network device and the second network device. In general, the number of statistics is the number of periodic RNA updates that the terminal performs after switching from the connected state to the inactive state, regardless of whether the terminal moves through several network devices and passes through several cells. If the terminal performs multiple periodic RNA updates but no data transmission, the terminal's activity is not high. In some cases, the terminal's context may be released. For example, these situations may include: when the network is congested.
- the first network device may continue to perform statistics on the basis of the number of periodic RNA updates counted by the second network device, if in the process, the new gNB will be placed in the terminal In the connection state, the first network device can reset the number of periodic RNA updates (ie, the number of times is reset to 0), of course, this situation can also be reset according to the actual situation, or the number of periodic RNA updates is deleted, this application The embodiment does not limit this.
- the network device can determine the activity level of the terminal according to the number of periodic RNA updates, thereby more accurately determining the state in which the terminal is placed, reducing state switching, saving signaling overhead, and reducing power consumption.
- the method of the present application may further include: the first network device receiving the RNA information of the second network device sent by the second network device.
- the first network device receiving the RNA information of the second network device sent by the second network device.
- the method of the present application may further include: the first network device receiving information about whether the second network device sends an inactive state.
- the first network device receiving information about whether the second network device sends an inactive state.
- FIG. 3 is a flowchart of a method for setting a terminal state according to the present application. As shown in FIG. 3, the method includes:
- the first network device receives a feedback message sent by the device, where the feedback message carries the periodic RNA update times of the terminal, where the periodic RNA update times include that the terminal has performed after transitioning from the connection state to the inactive state.
- the number of periodic RNA updates For an understanding of the number of periodic RNA updates, reference may be made to the description of the number of periodic RNA updates in S203, and details are not described herein.
- the first network device sends a reply message to the terminal, where the reply message is used to indicate a state in which the terminal is placed.
- the device comprises a second network device and/or the terminal.
- the specific implementation manner may refer to the description of Embodiment 4 of the present application. , will not repeat them here.
- the number of periodic RNA updates can reflect the activity level of the terminal.
- the network device combines this parameter to determine which state the terminal is placed in, which can make the allocation more accurate, reduce state switching, and save signaling overhead and power consumption.
- the 5G network scenario in the wireless communication network is taken as an example for description. It should be noted that the solution in the embodiment of the present application can also be applied to other wireless communication networks, and the corresponding name can also be used in other wireless communication networks. The name of the function is replaced.
- the interaction may be established during the interface establishment process, for example, Xn interface establishment (ie, establishing an interface between two 5G base stations), X2 interface establishment (ie, establishing an interface between two 4.5G base stations), and Xx interface establishment (ie, 5G base station and 4.5)
- the G base stations establish an interface, and may also interact during the base station update process, for example, a 5G base station (gNB) configuration update.
- the following takes the Xn interface as an example to describe how the base stations (and/or cells) interact with each other to support the Inactive state.
- FIG. 4 is a schematic flowchart of a method for establishing an inactive state by establishing an interaction through an Xn interface according to the present application, as shown in FIG. 4:
- the gNB1 sends an Xn interface setup request to the gNB2 or sends a gNB configuration update message, where the indication information indicates whether the gNB1 supports the Inactive state, or indicates whether each cell included in the gNB1 supports the Inactive state, or indicates that each gNB1 supports Whether the Public Land Mobile Network (PLMN) corresponding to each cell supports the Inactive state.
- PLMN Public Land Mobile Network
- the indication information may be in the form of Table 1, Table 2, and Table 3 as follows:
- the gNB2 sends an Xn establishment feedback message to the gNB1 or sends a gNB configuration update confirmation message.
- the message may also include indication information, where the indication information is used to indicate whether the gNB2 supports the Inactive state, or indicates each cell included in the gNB2. Whether to support the Inactive state, or whether the PLMN corresponding to each cell in gNB2 supports the Inactive state.
- the indication information can be expressed in the form of S1101. For details, refer to the description in S1101, and details are not described herein again.
- the RPA information needs to be interactively exchanged between the base stations, so that the terminal can be more accurately allocated RNA when needed. Similar to whether the interaction supports the Inactive state, the interaction RPA information may be in the process of establishing an interface between the base stations or in the process of updating the base station. For details, refer to the description of whether the interaction supports the Inactive state, and details are not described herein.
- FIG. 5 is a schematic flowchart of establishing interactive RNA information through an Xn interface according to the present application, as shown in FIG. 5:
- the gNB1 sends an Xn interface setup request to the gNB2 or sends a gNB configuration update message, where the request includes the RPA information of the gNB1, and the form of the RPA information may include:
- the RPA information may be an RPA code (RPA code) corresponding to all the cells to which the gNB1 belongs, and the RPAC is a string of bit information used to identify the unique RPA (similar to the function of TAC to TA).
- the RPA information may also be an RPA ID, the RPA ID may further indicate a PLMN (ie, the RPA ID may indicate a PLMN and an RPAC), and the RPA ID may further indicate a TA (ie, the RPA ID may indicate a PLMN, an RPAC, and a TAC, or The RPA ID can indicate RPAC and TAC).
- RPA code RPA code
- Table 4 Table 4 below:
- RPA information is for each cell included in gNB1
- the RPA information may be the RPAC corresponding to the cell
- the RPAC may be similar to the RPAC in the type 1 above, and details are not described herein.
- RPAC can be expressed in the form shown in Table 5 below:
- the RPA information may be an RPA ID corresponding to the cell, and the RPA ID may be similar to the RPA ID in the first type, and details are not described herein.
- the RPA ID can be expressed as shown in Table 6 below:
- the RPA information is for each PLMN corresponding to each cell included in the gNB1, the RPA information may be an RPA ID, and the RPA ID may be similar to the RPA ID in the first type, and details are not described herein.
- the RPA ID can be expressed as shown in Table 7 below:
- RPA information may also include other forms, and is not limited in this application.
- the gNB2 sends an Xn setup feedback message to the gNB1 or sends a gNB configuration update confirmation message.
- the message may also include the RNA information of the gNB2.
- the RNA information can be expressed in the form of S1201. For details, refer to the description in S1201, and details are not described herein again.
- the following describes the possible interaction of the terminal from the old gNB to the new gNB.
- FIG. 6 is a schematic diagram of an RNA update process provided by the present application, as shown in FIG. 6:
- the terminal sends an RRC connection resume request to the new (g) gNB, where the request includes the identification information of the terminal (for example, Resume ID information) and the RNA information recently accessed by the terminal.
- This RNA information allows the new gNB to assign RNA to the terminal more accurately.
- the RRC connection recovery request further carries a dwell time of the terminal, where the dwell time is a dwell time of at least one cell or at least one network device indicated by the RNA information recently accessed by the terminal.
- S1302 The new gNB determines whether it supports the Inactive state or whether the cell currently in the terminal supports the Inactive state, or whether the PLMN corresponding to the cell currently in the terminal supports the Inactive state. If not, jump to S1305 and put the terminal in an idle state.
- the new gNB sends a request for acquiring a context request to the old gNB, which may include the identification information of the terminal.
- the old gNB sends a get UE context response to the new gNB, where the terminal context request feedback includes the security context of the terminal.
- the acquiring terminal context feedback may also carry the number of periodic RNA updates that the terminal has performed. The number of periodic RNA updates can be in S1306, and the new gNB decides what information to send to which state the terminal is placed.
- the new gNB determines whether to re-allocate the RNA for the terminal according to the RNA information recently accessed by the terminal. If it is decided to re-allocate the RNA, the corresponding message sent in S1306 may include the newly allocated RAN information. If it is decided not to reallocate the RNA, the corresponding message sent in S1306 may not include the newly allocated RAN information. In this step, the new gNB can also combine the terminal context information, the RNA information recently accessed by the terminal, and one or more of the terminal's dwell time to determine whether to re-allocate the RNA for the terminal.
- the new gNB determines, according to whether the Inactive state is supported and the terminal sends an RRC connection reply request, what state the terminal is placed, and sends a corresponding message.
- the message may also include newly assigned RNA information.
- the new gNB can also determine the state of the terminal in combination with the number of periodic RNA updates.
- the new gNB sends an RRC Connection Reject or RRC Connection Release to the terminal.
- the new gNB sends one of the following messages to the terminal to set the terminal to the Inactive state, and the RRC connection rejects (RRC Connection Reject). ), RRC Connection Reconfiguration, RRC Connection Resume, RRC Connection Release, RRC Connection Suspend.
- the new gNB when the new gNB sends other messages, these messages need to carry indication information for indicating that the terminal is placed in the Inactive state. It should be understood that, of course, the terminal can be placed in the Inactive state by other messages, and the present application does not limit the comparison. If the terminal sends an RRC connection reply request for data transmission, the new gNB can restore the terminal to the connected state through the RRC connection.
- the new gNB sends a UE context release message to the old gNB.
- the message includes the identifier information of the terminal.
- FIG. 7 is a schematic diagram of an RNA update process provided by the present application.
- the difference between the fourth embodiment and the third embodiment mainly lies in the number of periodic RNA update statistics of the terminal and is in the RRC connection recovery complete message or in the RRC connection recovery request message. carry. As shown in Figure 7:
- the old gNB sends an RRC message (for example, an RRC connection reconfiguration message, an RRC connection release message, and the like) to the UE.
- the message may carry a preset number of periodic updates. If the number of periodically updated RNAs of the terminal is greater than or equal to the preset number of times, the number of periodic RNA updates in the following steps S1402 and S1406 may be replaced.
- the indication information is used to indicate that the terminal is expected to enter the idle state, and further may indicate that the terminal wishes to enter the idle state because the number of periodic updates exceeds or equals the preset update times.
- the reason that the terminal is expected to enter the idle state and the terminal wants to enter the idle state by using one indication information is that the number of periodic updates exceeds or equals the preset number of updates, and the two indications respectively indicate that the terminal desires to enter.
- the reason that the idle state and the terminal want to enter the idle state is that the number of periodic updates exceeds or equals the preset number of updates.
- S1402 The UE sends an RRC connection recovery request to the new gNB, where the request includes identifier information of the terminal.
- the message can also carry the number of periodic RNA updates. The effect of the number of periodic RNA update times is similar to that described in the third embodiment, and will not be described herein.
- the new gNB sends a get terminal context request to the old gNB, where the request includes the identifier information of the terminal.
- S1405 The new gNB sends an RRC connection recovery to the UE.
- S1406 The UE sends an RRC connection recovery completion to the new gNB.
- the message carries the number of periodic RNA updates in this step.
- the effect of the number of periodic RNA update times is similar to that described in the third embodiment, and will not be described herein.
- the new gNB sends an RRC message to the UE, and sets the terminal to a connected state, an idle state, or an inactive state.
- the specific RRC message is as described in step S1305, and details are not described herein again. .
- the new gNB sends a terminal context release to the old gNB, where the message carries the identifier information of the terminal.
- FIG. 8 is a schematic diagram of a cell reselection process provided by the present application, which emphasizes an inter-RAT cell reselection interaction process, as shown in FIG. 8 :
- the terminal sends an RRC connection recovery request to the new eNB, where the request carries the identifier information (Resume ID). Because the identification information (Resume ID) is allocated by the old gNB (optionally, the encoding of the ASN.1 of the gNB may be adopted), the old gNB and the new eNB do not belong to the same RAT, so the new eNB may not correctly analyze the identification information (Resume ID) ). That is, the new eNB may not be able to obtain the old gNB, that is, it may not be able to obtain the gNB to which the context of the terminal is reserved. In this case, we need to carry the identity of the old gNB or the identity of at least one cell of the old gNB to indicate where the context of the new eNB terminal remains.
- S1502 is the same as S1403, and S1503 is the same as S1404.
- S1403 and S1404 are not described herein.
- the new eNB sends an RRC connection setup message to the terminal.
- the reason why the RRC connection recovery message is not sent is because the RRC connection recovery message is sent on the SRB1, but since the new eNB cannot understand the configuration information of the old gNB to the SRB1 of the terminal, the new eNB does not know that the SRB1 reserved by the terminal is How to configure, for example, the configuration of the RLC (the configuration of the RNB is different between the gNB and the eNB, for example, the RLC in the gNB has no aggregation function), so it is difficult to successfully transmit the RRC connection first message on the SRB1.
- the RRC connection setup message is sent to the terminal, and the connection setup message is sent on the SRB0, and the message includes the configuration information of the SRB1 of the new eNB to the terminal, and the terminal will receive the configuration of the SRB1 after the terminal The reserved configuration is completely replaced.
- S1505 The terminal sends an RRC connection setup complete message to the new eNB.
- the new eNB sends an RRC connection reconfiguration message to the terminal, where the reconfiguration message includes the RB (Radio Bearer) information configured by the new eNB, and the message further includes the indication information of the full configuration, because the new eNB cannot
- the RB configuration information of the old gNB to the terminal is understood (that is, the AS configuration information in the terminal context in step S1503 is not understood), so the new eNB cannot be modified according to the configuration of the old gNB, and therefore can only be used according to its own situation and in step S1503.
- the information of the core network for example, the session/flow to be established and the QoS information corresponding to the session/flow, configure the RB on the terminal itself, and inform the terminal to adopt full configuration (full configuration indication is carried in step S1506), and the terminal is full.
- the configuration indication will completely delete the previous configuration, and then perform RB configuration according to the configuration sent by the new eNB in step S1506.
- FIG. 9 is a schematic structural diagram of a device 100 provided by the present application, and the device 100 is applicable to implement a second network device, a first network device, or a terminal of the present application.
- the device 100 includes a receiving unit 101 and a transmitting unit 102.
- the receiving unit 101 is configured to receive the first message sent by the terminal, and the sending unit 102 is configured to send the reply message of the first message to the terminal.
- the sending unit 102 is configured to send the RNA information of the second network device; and/or whether the information of the inactive state is supported.
- the sending unit 102 is configured to send the first message to the first network device, and the receiving unit 101 is configured to receive the reply message of the first message sent by the first network device. It should be understood that, in combination with the method of any one or more of the above, the first network device, the second network device, and the terminal may further include more functional units for implementing more functions to achieve reasonable allocation of RNA. , reducing signaling overhead.
- the receiving unit can be implemented through a communication interface, a receiver, a receiving circuit, and the like.
- the transmitting unit can be implemented through a communication interface, a transmitter, a transmitting circuit, and the like. It should be understood that the functions of the receiving unit and the transmitting unit can also be integrated and implemented by the communication interface, the transceiver, and the transceiver circuit.
- the communication interface is a collective name and may include one or more interfaces.
- the hardware for implementing the second network device, the first network device, or the terminal is not limited to the foregoing structure, and may further include a processor, a memory, and an antenna.
- the processor may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), and a field programmable gate array ( Field Programmable Gate Array (FPGA) or other programmable logic device, hardware component, or any combination thereof.
- CPU central processing unit
- DSP digital signal processor
- ASIC application-specific integrated circuit
- FPGA Field Programmable Gate Array
- the processor can also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
- the memory can be set in the processor or it can exist separately.
- a duplexer is used to implement an antenna array for both transmitting signals and receiving signals.
- the transmitter is used to convert between the RF signal and the baseband signal.
- the transmitter can include a power amplifier, a digital-to-analog converter and a frequency converter.
- the receiver can include a low noise amplifier, an analog to digital converter and a frequency converter. Among them, the receiver and the transmitter may also be collectively referred to as a transceiver.
- the baseband processing section is used to implement processing of transmitted or received signals, such as layer mapping, precoding, modulation/demodulation, encoding/decoding, etc., and for physical control channels, physical data channels, physical broadcast channels, reference signals, etc. Perform separate processing.
- the functions of the receiver and the transmitter can be implemented by a dedicated chip through a transceiver circuit or a transceiver.
- the processor can be implemented by a dedicated processing chip, a processing circuit, a processor, or a general purpose chip.
- program code that implements processor, receiver, and transmitter functions is stored in a memory that implements the functions of the processor, receiver, and transmitter by executing code in memory.
- a base station 1000 is provided.
- the base station 1000 includes: a processor 1001, a memory 1004, a receiver 1003, and a transmitter 1002.
- the device 1003 and the transmitter 1002 are configured to communicate with other network elements, and the memory 1004 is configured to store a program executable by the processor 1001, the program including the method, the step or the process for implementing the above embodiments. Instructions.
- specific methods, procedures, steps, and beneficial effects refer to the description of the foregoing in the foregoing embodiments, and details are not described herein again.
- a terminal 2000 includes: a processor 2001, a memory 2003, and a transceiver 2002, where the transceiver 2002 is configured to communicate with other network elements (through an antenna)
- the memory 2003 is for storing programs executable by the processor 2001, the programs including instructions for implementing the methods, steps or processes described in the various embodiments above.
- the second network device, the first network device, or the terminal is implemented by software
- the concepts, explanations, detailed descriptions and other steps related to the present application are referred to the descriptions of the foregoing methods.
- it may be implemented in whole or in part in the form of a computer program product.
- the computer program product includes one or more computer instructions.
- the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
- the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
- the computer instructions can 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 computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL), or wireless (eg, infrared, wireless, microwave, etc.).
- the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
- the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a solid state disk (SSD)) or the like.
- the storage medium shown may be integrated into a device, module, or processor, or may be separately configured.
- the present application further provides a communication system including the foregoing second network device, a first network device, and a terminal. Or a communication system comprising a second network device and a first network device.
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Abstract
Description
Claims (41)
- 一种RNA分配的方法,其特征在于,所述方法包括:第一网络设备接收终端发送的第一消息,所述第一消息携带所述终端最近访问过的RNA信息;所述第一网络设备向所述终端发送所述第一消息的回复消息,所述回复消息携带所述第一网络了设备为所述终端分配的RNA信息。
- 根据权利要求1所述的方法,其特征在于,所述终端最近访问过的RNA信息用于指示所述终端移动到所述第一网络设备之前经过的至少一个小区或至少一个网络设备。
- 根据权利要求1或2所述的方法,其特征在于,所述RNA信息的表示方式包括以下一种信息或者多种信息的组合:无线接入网络寻呼区域信息、小区标识信息、基站标识信息、跟踪区信息和注册区信息。
- 根据权利要求1至3任一项所述的方法,其特征在于,在所述第一网络设备接收终端发送的第一消息之后,在所述第一网络设备向所述终端发送所述第一消息的回复消息之前,所述方法还包括:所述第一网络设备根据所述终端最近访问过的RNA信息,确定是否为所述终端重新分配RNA。
- 根据权利要求1至4任一项所述的方法,其特征在于,所述第一消息还携带所述终端的停留时间,所述停留时间是所述终端最近访问过的RNA信息所指示的至少一个小区或至少一个网络设备的停留时间。
- 根据权利要求1至5任一项所述的方法,其特征在于,在所述第一网络设备接收终端发送的第一消息之后,在所述第一网络设备向所述终端发送所述第一消息的回复消息之前,所述方法还包括:所述第一网络设备确定是否支持inactive状态;其中,所述是否支持inactive状态包括下述至少一种或者多种的组合,所述第一网络设备是否支持inactive状态,所述终端当前所处的小区是否支持inactive状态,和所述终端当前所处的小区对应的PLMN是否支持inactive状态。
- 根据权利要求1至6任一项所述的方法,其特征在于,在所述第一网络设备接收终端发送的第一消息之后,在所述第一网络设备向所述终端发送回复消息之前,所述方法还包括:所述第一网络设备接收第二网络设备发送的反馈消息,所述反馈消息携带所述终端的周期性RNA更新次数;其中,所述周期性RNA更新次数包括,所述终端从连接状态转换至inactive状态后已经进行的周期性RNA更新的次数。
- 根据权利要求1至7任一项所述的方法,其特征在于,所述方法还包括:所述第一网络设备接收第二网络设备发送的第二网络设备的RAN寻呼区域信息RPA信息;和/或,所述第一网络设备接收第二网络设备发送的是否支持inactive状态的信息;
- 一种RNA分配的方法,其特征在于,所述方法包括:终端向第一网络设备发送的第一消息,所述第一消息携带所述终端最近访问过的RNA 信息;所述终端接收所述第一网络设备发送的所述第一消息的回复消息,所述回复消息携带所述第一网络了设备为所述终端分配的RNA信息;
- 根据权利要求9所述的方法,其特征在于,所述终端最近访问过的RNA信息用于指示所述终端移动到所述第一网络设备之前经过的至少一个小区或至少一个网络设备。
- 根据权利要求10或9所述的方法,所述RNA信息的表示方式包括以下一种信息或者多种信息的组合:无线接入网络寻呼区域信息、小区标识信息、基站标识信息、跟踪区信息和者注册区信息。
- 根据权利要求9至11任一项所述的方法,其特征在于,所述第一消息还携带所述终端的停留时间,所述停留时间是所述终端最近访问过的RNA信息所指示的至少一个小区或至少一个网络设备的停留时间。
- 一种RNA分配的网络设备,其特征在于,所述网络设备包括:接收单元,用于接收终端发送的第一消息,所述第一消息携带所述终端最近访问过的RNA信息;发送单元,用于向所述终端发送所述第一消息的回复消息,所述回复消息携带所述第一网络了设备为所述终端分配的RNA信息。
- 根据权利要求13所述的网络设备,其特征在于,所述第一消息还携带所述终端的停留时间,所述停留时间是所述终端最近访问过的RNA信息所指示的至少一个小区或至少一个网络设备的停留时间。
- 根据权利要求14或13所述的网络设备,其特征在于,所述网络设备还包括确定单元,所述确定单元用于,根据所述终端最近访问过的RNA信息,确定是否为所述终端重新分配RNA。
- 根据权利要求13至15任一项所述的网络设备,其特征在于,所述网络设备还包括:确定单元,用于确定是否支持inactive状态;其中,所述是否支持inactive状态包括下述一种或者多种的组合,所述第一网络设备是否支持inactive状态,所述终端当前所处的小区是否支持inactive状态,和所述终端当前所处的小区对应的PLMN是否支持inactive状态。
- 根据权利要求13至16任一项所述的网络设备,其特征在于,所述接收单元还用于:接收第二网络设备发送的反馈消息,所述反馈消息携带所述终端的周期性RNA更新次数,其中所述周期性RNA更新次数包括,所述终端从连接状态转换至inactive状态后已经进行的周期性RNA更新的次数。
- 根据权利要求13至17任一项所述的网络设备,其特征在于,所述接收单元还用于,接收第二网络设备发送的第二网络设备的RNA信息;和/或,接收第二网络设备发送的是否支持inactive状态的信息。
- 一种RNA分配的终端,其特征在于,所述终端包括:发送单元,用于向第一网络设备发送的第一消息,所述第一消息携带所述终端最近访 问过的RNA信息;接收单元,用于接收所述第一网络设备发送的所述第一消息的回复消息,所述回复消息携带所述第一网络了设备为所述终端分配的RNA信息;其中,所述所述终端最近访问过的RNA信息用于指示所述终端移动到所述第一网络设备之前经过的至少一个小区或至少一个网络设备。
- 根据权利要求19所述的终端,其特征在于,所述第一消息还携带所述终端的停留时间,所述停留时间是所述终端最近访问过的RNA信息所指示的至少一个小区或至少一个网络设备的停留时间。
- 一种RNA分配的网络设备,其特征在于,所述网络设备包括发送器,接收器和处理器:所述接收器,用于接收终端发送的第一消息,所述第一消息携带所述终端最近访问过的RNA信息;所述发送器,用于向所述终端发送所述第一消息的回复消息,所述回复消息携带所述第一网络了设备为所述终端分配的RNA信息。
- 根据权利要求21所述的网络设备,其特征在于,所述第一消息还携带所述终端的停留时间,所述停留时间是所述终端最近访问过的RNA信息所指示的至少一个小区或至少一个网络设备的停留时间。
- 根据权利要求21或22所述的网络设备,其特征在于,所述处理器,用于根据所述终端最近访问过的RNA信息,确定是否为所述终端重新分配RNA。
- 根据权利要求21至23任一项所述的网络设备,其特征在于,所述处理器,用于确定是否支持inactive状态;其中,所述是否支持inactive状态包括下述一种或者多种的组合,所述第一网络设备是否支持inactive状态,所述终端当前所处的小区是否支持inactive状态,和所述终端当前所处的小区对应的PLMN是否支持inactive状态。
- 根据权利要求21至24任一项所述的网络设备,其特征在于,所述接收器还用于:接收第二网络设备发送的反馈消息,所述反馈消息携带所述终端的周期性RNA更新次数,其中所述周期性RNA更新次数包括,所述终端从连接状态转换至inactive状态后已经进行的周期性RNA更新的次数。
- 根据权利要求21至25任一项所述的网络设备,其特征在于,所述接收器还用于,接收第二网络设备发送的第二网络设备的RNA信息;和/或,接收第二网络设备发送的是否支持inactive状态的信息。
- 一种RNA分配的终端,其特征在于,所述终端包括:发送器,接收器和处理器,所述发送器,用于向第一网络设备发送的第一消息,所述第一消息携带所述终端最近访问过的RNA信息;所述接收器,用于接收所述第一网络设备发送的所述第一消息的回复消息,所述回复消息携带所述第一网络了设备为所述终端分配的RNA信息;
- 根据权利要求27所述的终端,其特征在于,所述第一消息还携带所述终端的停留 时间,所述停留时间是所述终端最近访问过的RNA信息所指示的至少一个小区或至少一个网络设备的停留时间。
- 一种无线接入网络寻呼区域RPA信息传输的方法,其特征在于,所述方法包括:第一网络设备接收第二网络设备发送的第二消息,所述第二消息携带所述第二网络设备的RPA信息,所述RPA信息用于标识RPA;所述第一网络设备向第二网络设备发送第三消息。
- 根据权利要求29所述的方法,其特征在于,所述RPA信息包括所述第一网络设备所属的一个小区对应的PRA编码Code;和/或,所述RPA信息包括所述第二网络设备所属的一个小区对应的PRA Code。
- 根据权利要求30所述的方法,其特征在于,所述PRA Code是一串bit信息。
- 根据权利要求29至31任一项所述的方法,其特征在于,所述第三消息携带所述第一网络设备的RPA信息
- 根据权利要求29至32任一项所述的方法,其特征在于,所述第二消息是Xn接口建立请求或者配置更新消息;或者,所述第三消息是Xn建立反馈消息或者配置更新确认消息。
- 一种网络设备,其特征在于,所述网络设备包括:收发器,所述收发器用于接收第二网络设备发送的第二消息,所述第二消息携带所述第二网络设备的网络寻呼区域RPA信息,所述RPA信息用于标识RPA;所述收发器还用于,向第二网络设备发送第三消息。
- 根据权利要求34所述的网络设备,其特征在于,所述RPA信息包括所述第一网络设备所属的一个小区对应的PRA编码Code;和/或,所述RPA信息包括所述第二网络设备所属的一个小区对应的PRA Code。
- 根据权利要求35所述的网络设备,其特征在于,所述PRA Code是一串bit信息。
- 根据权利要求34至36任一项所述的网络设备,其特征在于,所述第三消息携带所述网络设备的RPA信息
- 根据权利要求34至37任一项所述的网络设备,其特征在于,所述第二消息是Xn接口建立请求或者配置更新消息;或者,所述第三消息是Xn建立反馈消息或者配置更新确认消息。
- 一种网络设备,其特征在于,所述网络设备包括:处理器,收发器和存储器,所述存储器用于存储计算机指令,当所述处理器运行所述计算机指令时,使得所述网络设备执行权利要求1至12或者29-33任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质包括指令,当其在计算机上运行时,使得计算机执行权利要求1至12或者29-33任一项所述的方法。
- 一种程序产品,其特征在于,所述程序产品包括指令,当其在计算机上运行时,使得计算机执行权利要求1至12或者29-33任一项所述的方法。
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CN110381496B (zh) | 2020-10-27 |
EP3668203A4 (en) | 2020-11-11 |
AU2018314879A1 (en) | 2020-03-19 |
CN109392035A (zh) | 2019-02-26 |
EP3668203A1 (en) | 2020-06-17 |
US20200178209A1 (en) | 2020-06-04 |
US11653330B2 (en) | 2023-05-16 |
CA3072521A1 (en) | 2019-02-14 |
AU2018314879B2 (en) | 2021-08-19 |
CN109392035B (zh) | 2022-04-22 |
CA3072521C (en) | 2024-01-16 |
EP3668203B1 (en) | 2022-11-16 |
BR112020002641A2 (pt) | 2020-08-18 |
CN110381496A (zh) | 2019-10-25 |
JP2020530245A (ja) | 2020-10-15 |
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