WO2021052194A1 - 直接通信接口承载配置变更方法及终端 - Google Patents

直接通信接口承载配置变更方法及终端 Download PDF

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Publication number
WO2021052194A1
WO2021052194A1 PCT/CN2020/113402 CN2020113402W WO2021052194A1 WO 2021052194 A1 WO2021052194 A1 WO 2021052194A1 CN 2020113402 W CN2020113402 W CN 2020113402W WO 2021052194 A1 WO2021052194 A1 WO 2021052194A1
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Prior art keywords
terminal
slrb
direct communication
communication interface
configuration information
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PCT/CN2020/113402
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English (en)
French (fr)
Inventor
赵亚利
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大唐移动通信设备有限公司
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Publication date
Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Priority to EP24156527.4A priority Critical patent/EP4344340A3/en
Priority to KR1020227013094A priority patent/KR20220065029A/ko
Priority to US17/761,144 priority patent/US20230354459A1/en
Priority to EP20864412.0A priority patent/EP4033853B1/en
Priority to JP2022517981A priority patent/JP2022549614A/ja
Publication of WO2021052194A1 publication Critical patent/WO2021052194A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/23Manipulation of direct-mode connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/231Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
    • 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
    • H04W76/00Connection management
    • H04W76/30Connection release
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/18Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method and terminal for changing the bearer configuration of a direct communication interface.
  • the protocol in the related technology stipulates that the configuration information of the direct communication interface radio bearer (Sidelink Radio Bearer, SLRB) is related to the state of the direct communication sending terminal, among which:
  • the terminal For the terminal with the Uu interface in the radio resource control connection (Radio Resource Control CONNECTED, RRC_CONNECTED) state, the terminal needs to request the configuration information of the direct communication interface SLRB from the network through dedicated signaling;
  • the terminal For a terminal whose Uu interface is in the radio resource control IDLE (Radio Resource Control IDLE, RRC_IDLE) state or the radio resource control inactive (Radio Resource Control INACTIVE, RRC_INACTIVE) state, the terminal needs to obtain the network through the System Information Block (SIB) Configuration information of the configured direct communication interface SLRB;
  • SIB System Information Block
  • the terminal For a terminal in an Out Of Coverage (OOC) state, the terminal needs to obtain configuration information of the direct communication interface SLRB through pre-configuration information.
  • OOC Out Of Coverage
  • the terminal In the actual communication system, the terminal is constantly moving, and the state of the terminal on the Uu interface may continue to change. Once the state of the terminal changes, how to deal with the currently established direct communication interface SLRB has become an urgent need in related technologies. A problem solved.
  • the purpose of the present disclosure is to provide a direct communication interface bearer configuration change method and terminal, so as to solve the problem of how to deal with the currently established direct communication interface SLRB when the state of the terminal changes in the related art.
  • embodiments of the present disclosure provide a method for changing the bearer configuration of a direct communication interface, which is applied to a first terminal, and the first terminal is a direct communication interface sending terminal, including:
  • the first terminal When the state of the first terminal changes, obtain the first terminal from the first network-side device serving the first terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal's direct communication interface The corresponding SLRB configuration information after the status change;
  • the first network side device serving the first terminal or the protocol layer responsible for the management of the wireless bearer SLRB configuration information of the direct communication interface of the first terminal obtains the first terminal.
  • the corresponding SLRB configuration information after the terminal status changes including:
  • the obtained information is obtained from the first network side device serving the first terminal or from the protocol layer responsible for the management of the wireless bearer SLRB configuration information of the direct communication interface of the first terminal.
  • the SLRB configuration information corresponding to the state change of the first terminal includes:
  • the state of the first terminal is changed to the RRC_CONNECTED state
  • the corresponding SLRB configuration information after the state change of the first terminal is obtained from the first network side device served by the first terminal through RRC dedicated signaling ;or,
  • the first terminal is acquired from the first network side device served by the first terminal through the system message block SIB The corresponding SLRB configuration information after the status change; or,
  • the SLRB configuration information corresponding to the state of the first terminal is obtained from the protocol layer responsible for the management of the SLRB configuration information of the first terminal through inter-layer interaction.
  • the state of the first terminal is changed, including one of the following situations:
  • the first terminal in the RRC_IDLE state is reselected from one cell to another cell;
  • the first terminal in the RRC_CONNECTED state is handed over from one cell to another cell.
  • the releasing the SLRB that has been established by the current direct communication interface, or performing the SLRB remapping of the direct communication interface according to the corresponding SLRB configuration information after the state of the first terminal is changed includes:
  • the SLRB configuration information corresponding to the state change of the first terminal is obtained from the first network side device serving the first terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal direct communication interface Later, the method further includes:
  • Send instruction information to a second terminal where the second terminal is a communication peer that forms a direct communication link with the first terminal, and the instruction information includes: for releasing the currently established SLRB or releasing the currently established SLRB
  • the SLRB establishes the first type of indication information of the new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface.
  • the first type of indication information includes one of the following:
  • the media access control control unit (Medium Access Control Control Element, MAC CE) of the direct communication interface;
  • a protocol data unit (Protocol Data Unit, PDU) of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • PDU Protocol Data Unit
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with the full configuration identifier
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • a PDU of a direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the method further includes:
  • the releasing the SLRB that has been established by the current direct communication interface, or performing the SLRB remapping of the direct communication interface according to the corresponding SLRB configuration information after the state of the first terminal is changed includes:
  • the method further includes:
  • a target SLRB is established.
  • the first network side device is a serving base station, a serving distributed unit (DU) or a serving centralized unit (CU) of the first terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal direct communication interface is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • embodiments of the present disclosure also provide a method for changing the bearer configuration of a direct communication interface, which is applied to a second terminal, and the second terminal is a direct communication interface receiving terminal, including:
  • the second terminal When the state of the second terminal changes, obtain the second terminal from the second network side device serving the second terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal The corresponding SLRB configuration information after the status change.
  • the indication information includes the first type of indication information used to release the currently established SLRB or release the currently established SLRB and establish a new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface ;
  • releasing the SLRB that has been established by the current direct communication interface, or performing an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal includes:
  • an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is performed.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with full configuration instructions
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer ID or logical channel ID corresponding to the SLRB to be released between the first terminal and the second terminal; wherein the radio bearer ID or logical channel ID corresponding to the SLRB is a complete ID or is numbered according to the ID
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer information of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the indication information is the first type of indication information
  • the method further includes:
  • the first type of indication information includes SLRB configuration information for establishing an SLRB
  • the SLRB is established according to the SLRB configuration information.
  • the execution of the operation corresponding to the SLRB remapping of the direct communication interface of the first terminal includes at least one of the following:
  • the performing the operation corresponding to the SLRB remapping of the first terminal direct communication interface further includes at least the following: One item:
  • the corresponding SLRB and corresponding SDAP, PDCP, and RLC entities are established.
  • the execution of the operation corresponding to the SLRB remapping of the direct communication interface of the first terminal includes at least one of the following:
  • the second type of indication information after receiving the End Marker Control PDU corresponding to the SLRB, perform SLRB reconfiguration.
  • the method further includes:
  • the second network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the second terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • the embodiments of the present disclosure also provide a terminal, including: a transceiver, a memory, a processor, and a program stored on the memory and running on the processor; the processor is used for When the state of a terminal changes, obtain the state change of the first terminal from the first network-side device serving the first terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the first terminal After the corresponding SLRB configuration information;
  • processor is also used for:
  • processor is also used for:
  • the state of the first terminal is changed to the RRC_CONNECTED state
  • the corresponding SLRB configuration information after the state change of the first terminal is obtained from the first network side device served by the first terminal through RRC dedicated signaling ;or,
  • the first terminal is acquired from the first network side device served by the first terminal through the system message block SIB The corresponding SLRB configuration information after the status change; or,
  • the SLRB configuration information corresponding to the state of the first terminal is obtained from the protocol layer responsible for the management of the SLRB configuration information of the first terminal through inter-layer interaction.
  • the state of the first terminal is changed, including one of the following situations:
  • the first terminal in the RRC_IDLE state is reselected from one cell to another cell;
  • the first terminal in the RRC_CONNECTED state is handed over from one cell to another cell.
  • processor is also used for:
  • the transceiver is used for:
  • Send instruction information to a second terminal where the second terminal is a communication peer that forms a direct communication link with the first terminal, and the instruction information includes: for releasing the currently established SLRB or releasing the currently established SLRB
  • the SLRB establishes the first type of indication information of the new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with the full configuration identifier
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the transceiver is also used for:
  • processor is also used for:
  • processor is also used for:
  • a target SLRB is established.
  • the first network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the first terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal direct communication interface is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • an embodiment of the present disclosure further provides a terminal, where the terminal is a first terminal, and the first terminal is a direct communication interface sending terminal, including:
  • the first acquisition module is configured to, when the state of the first terminal changes, from the first network side device serving the first terminal or from the protocol responsible for the management of the wireless bearer SLRB configuration information of the first terminal direct communication interface Acquiring the SLRB configuration information corresponding to the first terminal state change by the layer;
  • the first processing module is configured to release the existing SLRB of the current direct communication interface, or perform the SLRB remapping of the direct communication interface according to the corresponding SLRB configuration information after the state of the first terminal is changed.
  • embodiments of the present disclosure also provide a terminal, including: a transceiver, a memory, a processor, and a program stored in the memory and running on the processor, and the processor is used to read the Program, perform the following process:
  • the processor is configured to receive the instruction information sent by the first terminal; according to the instruction information, release the currently established SLRB of the direct communication interface, or perform an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal; or,
  • the second terminal When the state of the second terminal changes, obtain the second terminal from the second network side device serving the second terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal The corresponding SLRB configuration information after the status change.
  • the indication information includes the first type of indication information used to release the currently established SLRB or release the currently established SLRB and establish a new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface ;
  • the processor is also used for:
  • an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is performed.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with full configuration instructions
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer information of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the indication information is the first type of indication information
  • the processor is further configured to:
  • the first type of indication information includes SLRB configuration information for establishing an SLRB
  • the SLRB is established according to the SLRB configuration information.
  • processor is also used for:
  • processor is also used for:
  • the corresponding SLRB and corresponding SDAP, PDCP, and RLC entities are established.
  • processor is also used for:
  • the second type of indication information after receiving the End Marker Control PDU corresponding to the SLRB, perform SLRB reconfiguration.
  • the transceiver is used for:
  • the second network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the second terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • an embodiment of the present disclosure further provides a terminal, where the second terminal is a direct communication interface receiving terminal, and includes:
  • the second processing module is configured to receive the instruction information sent by the first terminal; according to the instruction information, release the SLRB that has been established by the current direct communication interface, or perform the SLRB remapping corresponding to the direct communication interface of the first terminal Operation; or,
  • the second acquisition module is used to, when the state of the second terminal changes, from the second network side device serving the second terminal or from the protocol responsible for the management of the wireless bearer SLRB configuration information of the second terminal’s direct communication interface
  • the layer obtains the SLRB configuration information corresponding to the state change of the second terminal.
  • embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the computer program When executed by a processor, it implements the direct communication interface bearer configuration change method described in the foregoing embodiment. step.
  • the SLRB configuration is performed from the first network side device serving the first terminal or from the direct communication interface responsible for the first terminal.
  • the protocol layer of information management obtains the corresponding SLRB configuration information after the state of the first terminal is changed; releases the SLRB established by the current direct communication interface, or executes direct communication according to the corresponding SLRB configuration information after the state of the first terminal is changed SLRB remapping of the interface, in this way, when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • FIG. 1 is one of the schematic flowcharts of the method for changing the bearer configuration of a direct communication interface according to an embodiment of the present disclosure
  • FIG. 2 is the second schematic diagram of the method for changing the bearer configuration of a direct communication interface according to an embodiment of the present disclosure
  • FIG. 3 is one of the structural block diagrams of the terminal according to the embodiment of the disclosure.
  • FIG. 4 is one of the schematic diagrams of modules of the terminal according to an embodiment of the disclosure.
  • FIG. 5 is the second structural block diagram of the terminal according to the embodiment of the disclosure.
  • Fig. 6 is a second schematic diagram of a terminal module according to an embodiment of the disclosure.
  • a schematic flowchart of a method for changing the bearer configuration of a direct communication interface provided by an embodiment of the present disclosure is applied to a first terminal, and the first terminal is a direct terminal interface sending terminal, including:
  • Step 101 When the status of the first terminal changes, obtain the said network side device from the first network side device serving the first terminal or from the protocol layer responsible for the management of the wireless bearer SLRB configuration information of the direct communication interface of the first terminal. The corresponding SLRB configuration information after the state of the first terminal is changed;
  • this step may specifically include:
  • the request information is sent to the first network side device serving the first terminal or to the protocol layer responsible for the management of the SLRB configuration information of the first terminal;
  • the first network side device or the protocol layer responsible for the management of the SLRB configuration information of the first terminal returns the corresponding SLRB configuration information after the state of the first terminal is changed based on the request information.
  • this step may specifically include:
  • the state of the first terminal is changed to the RRC_CONNECTED state
  • the corresponding SLRB configuration information after the state change of the first terminal is obtained from the first network side device served by the first terminal through RRC dedicated signaling ;or,
  • the first terminal is acquired from the first network side device served by the first terminal through the system message block SIB The corresponding SLRB configuration information after the status change; or,
  • the SLRB configuration information corresponding to the state of the first terminal is obtained from the protocol layer responsible for the management of the SLRB configuration information of the first terminal through inter-layer interaction.
  • the first terminal when the state of the first terminal changes to the RRC_CONNECTED state, the first terminal requests the first network side device to obtain the first network side device through radio resource control (Radio Resource Control, RRC) dedicated signaling.
  • RRC Radio Resource Control
  • the first terminal obtains the first terminal configured by the first network side device by reading the System Information Block (SIB) The corresponding SLRB configuration information after the status change;
  • SIB System Information Block
  • the protocol layer responsible for the management of the SLRB configuration information of the first terminal that obtains the corresponding SLRB configuration information after the state change of the first terminal specifically refers to the RRC layer Or other protocol layers that store SLRB configuration information.
  • the status of the first terminal is changed, including one of the following situations:
  • the first terminal in the RRC_IDLE state is reselected from one cell to another cell;
  • the first terminal in the RRC_CONNECTED state is handed over from one cell to another cell.
  • the first network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the first terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal direct communication interface is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • Step 102 Release the existing SLRB of the current direct communication interface, or execute the SLRB remapping of the direct communication interface according to the corresponding SLRB configuration information after the state of the first terminal is changed.
  • this step may specifically include:
  • the time when the execution of this step is triggered is after the SLRB configuration information corresponding to the state change of the first terminal is obtained.
  • the method for changing the bearer configuration of the direct communication interface of the embodiment of the present disclosure is achieved by wireless
  • the protocol layer carrying SLRB configuration information management obtains the corresponding SLRB configuration information after the first terminal status changes; releases the SLRB that has been established by the current direct communication interface, or, according to the corresponding SLRB configuration information after the first terminal status changes, Perform the SLRB remapping of the direct communication interface, so that when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the method may further include:
  • Send instruction information to a second terminal where the second terminal is a communication peer that forms a direct communication link with the first terminal, and the instruction information includes: for releasing the currently established SLRB or releasing the currently established SLRB
  • the SLRB establishes the first type of indication information of the new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with the full configuration identifier
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released may be a complete identifier.
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released can also be the identifier using the bit mapping indication according to the ascending or descending order of the identifier number.
  • the radio bearer corresponding to the SLRB to be released can be indicated through the bitmap bitmap or Logical channel.
  • the so-called bit mapping means that 1 bit corresponds to a radio bearer identifier or logical channel identifier. If the value is 1, the identifier needs to release the SLRB.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • a new logical channel identifier is introduced into the MAC subheader corresponding to the MAC CE to identify that the MAC CE is a MAC CE used for direct communication interface bearer release.
  • the direct communication interface receiving terminal can use the indication information to release the current direct communication interface that has been established. SLRB.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the method may further include:
  • step 102 of the method may specifically include:
  • step 102 of this method may also be after the response message sent by the second terminal is received.
  • the method may further include:
  • a target SLRB is established.
  • a new SLRB is established according to the corresponding SLRB configuration information after the state of the first terminal is changed.
  • the method for changing the bearer configuration of the direct communication interface of the embodiment of the present disclosure is achieved by wirelessly changing from the first network side device serving the first terminal or from the direct communication interface responsible for the first terminal when the state of the first terminal changes.
  • the protocol layer that bears the SLRB configuration information management obtains the corresponding SLRB configuration information after the state of the first terminal is changed; releases the SLRB that has been established by the current direct communication interface, or, according to the corresponding SLRB configuration information after the state of the first terminal is changed, Perform SLRB remapping of the direct communication interface, so that when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • a schematic flow chart of the method for changing the bearer configuration of a direct communication interface provided by an embodiment of the present disclosure is applied to a second terminal, and the second terminal is a direct communication interface receiving terminal, including:
  • Step 201 Receive instruction information sent by the first terminal
  • the indication information includes the first type of indication information used to release the currently established SLRB or release the currently established SLRB and establish a new SLRB or the second type used to indicate the SLRB remapping of the direct communication interface Instructions.
  • Step 202 According to the instruction information, release the SLRB established by the current direct communication interface, or perform an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal.
  • this step may specifically include:
  • an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is performed.
  • the indication information includes the first type of indication information
  • the SLRB that has been established by the current direct communication interface is released.
  • the indication information includes the second type of indication information, an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is performed.
  • the method of the embodiment of the present disclosure includes:
  • the second terminal When the state of the second terminal changes, obtain the second terminal from the second network side device serving the second terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal The corresponding SLRB configuration information after the status change.
  • the second network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the second terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • the method for changing the bearer configuration of the direct communication interface of the embodiment of the present disclosure receives the instruction information sent by the first terminal; according to the instruction information, releases the SLRB established by the current direct communication interface, or performs direct communication with the first terminal.
  • the operation corresponding to the SLRB remapping of the interface so that when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with full configuration instructions
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released may be a complete identifier.
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released can also be the identifier using the bit mapping indication according to the ascending or descending order of the identifier number. Specifically, the radio bearer corresponding to the SLRB to be released can be indicated through the bitmap bitmap or Logical channel.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • a new logical channel identifier is introduced in the MAC subheader corresponding to the MAC CE to identify that the MAC CE is a MAC CE used for direct communication interface bearer release.
  • the second terminal can use the indication information to release the SLRB that has been established on the current direct communication interface.
  • the physical layer information of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the indication information is the first type of indication information
  • the method may further include:
  • the first type of indication information includes SLRB configuration information for establishing an SLRB
  • the SLRB is established according to the SLRB configuration information.
  • the first type of indication information is RRC signaling of a direct communication interface
  • the RRC signaling carries the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal
  • SLRB configuration information of the SLRB to be established between the first terminal and the second terminal can be performed.
  • performing the operation corresponding to the SLRB remapping of the first terminal direct communication interface in step 202 includes at least one of the following:
  • performing the operation corresponding to the SLRB remapping of the direct communication interface of the first terminal may also include the following At least one of:
  • the corresponding SLRB and corresponding SDAP, PDCP, and RLC entities are established.
  • the foregoing operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is applicable to the transmission type of the direct communication being multicast, broadcast or unicast.
  • performing the operation corresponding to the SLRB remapping of the first terminal direct communication interface in step 202 includes at least one of the following:
  • the second type of indication information after receiving the End Marker Control PDU corresponding to the SLRB, perform SLRB reconfiguration.
  • the foregoing operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is applied to the transmission type of the direct communication as unicast.
  • other transmission types such as multicast or broadcast, are not excluded.
  • the method may further include:
  • the SLRB that has been established by the current direct communication interface is released, or the operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is performed.
  • the terminal When the status changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the method for changing the bearer configuration of the direct communication interface of the embodiment of the present disclosure receives the instruction information sent by the first terminal; according to the instruction information, releases the SLRB established by the current direct communication interface, or performs direct communication with the first terminal.
  • the operation corresponding to the SLRB remapping of the interface so that when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the method for changing the bearer configuration of the direct communication interface in this embodiment may specifically include:
  • the direct communication sending terminal judges whether the RRC state change of its Uu interface occurs
  • the RRC status change includes but is not limited to any of the following:
  • the direct communication sending terminal wirelessly bears the SLRB configuration information management function node for its direct communication interface (that is, the first network side device that serves the direct communication sending terminal, such as The base station) or the protocol layer responsible for the SLRB configuration information management of the sending terminal in direct communication to request new SLRB configuration information;
  • the SLRB configuration information management function node refers to the serving base station, the serving distributed unit DU, or the serving centralized unit CU;
  • the protocol layer responsible for SLRB configuration information management refers to the RRC layer directly communicating with the sending terminal itself;
  • the protocol layer responsible for the management of the SLRB configuration information refers to the RRC layer of the directly communicating terminal itself or other protocol layers that store pre-configuration information.
  • the indication information includes the first type of indication information used to release the currently established SLRB or release the currently established SLRB and establish a new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface.
  • the first type of indication information may be but not limited to one of the following:
  • RRC signaling of the direct communication interface for example, PC5-RRC reconfiguration message
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the direct communication receiving terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with full configuration instructions
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the radio bearer ID or logical channel ID corresponding to the SLRB to be released between the direct communication sending terminal and the direct communication receiving terminal; wherein the radio bearer ID or logical channel ID corresponding to the SLRB is a complete ID or in ascending order of ID numbers or The descending order uses the identity indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the direct communication sending terminal and the direct communication receiving terminal.
  • the second type of indication information may be but not limited to one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the direct communication sending terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the direct communication sends SLRB configuration information before the terminal state is changed
  • the direct communication sends the SLRB configuration information after the terminal state is changed.
  • the direct communication receiving terminal After receiving the indication information, the direct communication receiving terminal releases the SLRB that has been established by the current direct communication interface, or performs an operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal.
  • instruction information is the instruction information in the above S3 step, and will not be repeated here.
  • the direct communication receiving terminal receives the first type of indication information, it releases the SLRB that has been established by the current direct communication interface;
  • the direct communication receiving terminal first executes the SLRB release, and then executes the SLRB establishment.
  • the first type of indication information only includes the identification information for releasing the SLRB, only the SLRB release is performed.
  • the direct communication receiving terminal receives the second type of indication information, the operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal is performed.
  • the direct communication receiving terminal after receiving the indication information, performs an operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal, which may specifically include:
  • performing an operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal includes at least one of the following:
  • the SLRB corresponding to the End Marker Control PDU is released.
  • performing an operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal may further include at least one of the following:
  • performing operations corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal may include at least one of the following in addition to the above operations:
  • the SLRB reconfiguration is performed.
  • the direct communication receiving terminal sends a response message to the direct communication sending terminal.
  • the direct communication sending terminal may release the SLRB established by the current direct communication interface, or according to the corresponding new SLRB configuration information after the state changes Execute the SLRB remapping of the direct communication interface, or establish a new SLRB according to the new SLRB configuration information corresponding to the state change.
  • the direct communication sending terminal can also release the SLRB established by the current direct communication interface after receiving the response message sent by the direct communication receiving terminal, or execute the SLRB of the direct communication interface according to the new SLRB configuration information corresponding to the state change. Remapping, or establishing a new SLRB according to the new SLRB configuration information corresponding to the state change.
  • the direct communication sending terminal can use the new SLRB configuration and the direct communication receiving terminal to communicate with the direct communication interface.
  • the method for changing the direct communication bearer configuration in this embodiment may specifically include:
  • S11 The direct communication sending terminal judges whether a cell reselection occurs
  • the user equipment User Equipment, UE
  • the cell reselection conditions due to its movement, when the cell reselection conditions are met, the cell reselection will occur on the Uu interface. Specifically, it will be reselected from one cell to another.
  • a community There should be noted that the user equipment (User Equipment, UE) in the RRC_IDLE state, due to its movement, when the cell reselection conditions are met, the cell reselection will occur on the Uu interface. Specifically, it will be reselected from one cell to another. A community.
  • UE User Equipment
  • the direct communication sending terminal If a cell reselection occurs in the direct communication sending terminal, the direct communication sending terminal requests new SLRB configuration information from the protocol layer responsible for the SLRB configuration information management of the direct communication sending terminal after the reselection.
  • the protocol layer responsible for SLRB configuration information management is the RRC layer of the UE itself.
  • the UE in the RRC_IDLE state will obtain the new direct communication dedicated SIB from the new serving cell and store it in its RRC layer.
  • the new direct communication dedicated SIB includes new SLRB configuration information of the network configuration.
  • the instruction information in this step is the same as the instruction information described in the first embodiment. For details, please refer to the first embodiment, which will not be repeated here.
  • the direct communication receiving terminal After receiving the indication information, the direct communication receiving terminal releases the SLRB that has been established by the current direct communication interface, or performs an operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal.
  • instruction information is the instruction information in step S13 above, and will not be repeated here.
  • the direct communication receiving terminal sends a response message to the direct communication sending terminal.
  • the direct communication sending terminal may release the SLRB established by the current direct communication interface, or according to the corresponding new SLRB configuration information after the state changes Execute the SLRB remapping of the direct communication interface, or establish a new SLRB according to the new SLRB configuration information corresponding to the state change.
  • the direct communication sending terminal can also release the SLRB established by the current direct communication interface after receiving the response message sent by the direct communication receiving terminal, or execute the SLRB of the direct communication interface according to the new SLRB configuration information corresponding to the state change. Remapping, or establishing a new SLRB according to the new SLRB configuration information corresponding to the state change.
  • the direct communication sending terminal can use the new SLRB configuration and the direct communication receiving terminal to communicate with the direct communication interface.
  • the method for changing the direct communication bearer configuration in this embodiment may specifically include:
  • S111 The direct communication sending terminal judges whether a cell handover occurs
  • a UE in the RRC_CONNECTED state due to its movement, will undergo a cell handover on the Uu interface when the cell handover conditions are met, specifically handover from one cell to another.
  • the direct communication sending terminal If the cell switching of the direct communication sending terminal occurs, the direct communication sending terminal requests new SLRB configuration information from the corresponding network side device serving the direct communication sending terminal after the handover.
  • the corresponding network side device after the handover is the serving base station of the UE.
  • the UE in the RRC_CONNECTED state will obtain the new SLRB configuration information from the new serving cell through dedicated signaling, and store it in the RRC layer of the UE.
  • the instruction information in this step is the same as the instruction information described in the first embodiment. For details, please refer to the first embodiment, which will not be repeated here.
  • the direct communication receiving terminal After receiving the indication information, the direct communication receiving terminal releases the SLRB that has been established by the current direct communication interface, or performs an operation corresponding to the SLRB remapping of the direct communication interface of the direct communication sending terminal.
  • instruction information is the instruction information in step S113 above, and will not be repeated here.
  • S115 The direct communication receiving terminal sends a response message to the direct communication sending terminal.
  • the direct communication sending terminal may release the SLRB established by the current direct communication interface, or according to the corresponding new SLRB configuration information after the state changes Execute the SLRB remapping of the direct communication interface, or establish a new SLRB according to the new SLRB configuration information corresponding to the state change.
  • the direct communication sending terminal can also release the SLRB established by the current direct communication interface after receiving the response message sent by the direct communication receiving terminal, or execute the SLRB of the direct communication interface according to the new SLRB configuration information corresponding to the state change. Remapping, or establishing a new SLRB according to the new SLRB configuration information corresponding to the state change.
  • the direct communication sending terminal can use the new SLRB configuration and the direct communication receiving terminal to communicate with the direct communication interface.
  • the method for changing the bearer configuration of the direct communication interface in this embodiment may specifically include:
  • the direct communication receiving terminal can be obtained from the network side device serving the direct communication receiving terminal or the protocol layer responsible for the management of the SLRB configuration information of the direct communication receiving terminal.
  • the corresponding SLRB configuration information after the state of the communication receiving terminal changes.
  • the network side device serving the direct communication receiving terminal refers to the base station
  • the protocol layer responsible for the management of the SLRB configuration information of the direct communication receiving terminal is the RRC layer of the direct communication receiving terminal itself;
  • the protocol layer responsible for the management of SLRB configuration information of the direct communication receiving terminal refers to the RRC layer of the direct communication receiving terminal or other protocol layers storing pre-configuration information.
  • the bearer configuration of the direct communication interface can be updated in time.
  • an embodiment of the present disclosure also provides a terminal.
  • the terminal includes a memory 320, a processor 300, a transceiver 310, a bus interface, and is stored in the memory 320 and can run on the processor 300.
  • the processor 300 is used to read the program in the memory 320 and execute the following process:
  • the first terminal When the state of the first terminal changes, obtain the first terminal from the first network-side device serving the first terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal's direct communication interface The corresponding SLRB configuration information after the status change;
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 300 and various circuits of the memory represented by the memory 320 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 310 may be a plurality of elements, including a transmitter and a transceiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 330 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 300 when performing operations.
  • the processor 300 is further configured to:
  • the processor 300 is further configured to:
  • the state of the first terminal is changed to the RRC_CONNECTED state
  • the corresponding SLRB configuration information after the state change of the first terminal is obtained from the first network side device served by the first terminal through RRC dedicated signaling ;or,
  • the first terminal is acquired from the first network side device served by the first terminal through the system message block SIB The corresponding SLRB configuration information after the status change; or,
  • the SLRB configuration information corresponding to the state of the first terminal is obtained from the protocol layer responsible for the management of the SLRB configuration information of the first terminal through inter-layer interaction.
  • the state of the first terminal is changed, including one of the following situations:
  • the first terminal in the RRC_IDLE state is reselected from one cell to another cell;
  • the first terminal in the RRC_CONNECTED state is handed over from one cell to another cell.
  • the processor 300 is further configured to:
  • the transceiver 310 is used to:
  • Send instruction information to a second terminal where the second terminal is a communication peer that forms a direct communication link with the first terminal, and the instruction information includes: for releasing the currently established SLRB or releasing the currently established SLRB
  • the SLRB establishes the first type of indication information of the new SLRB or the second type of indication information used to indicate the remapping of the SLRB of the direct communication interface.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with the full configuration identifier
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the transceiver 310 is also used for:
  • the processor 300 is further configured to:
  • the processor 300 is further configured to:
  • a target SLRB is established.
  • the first network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the first terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal direct communication interface is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • the embodiment of the present disclosure also provides a terminal, which is the first terminal. Since the principle of the first terminal to solve the problem is similar to the method for changing the bearer configuration of the direct communication interface in the embodiment of the present disclosure, the implementation of the terminal can refer to the method The implementation of the repetition will not be repeated.
  • the terminal of the embodiment of the present disclosure when the state of the first terminal changes, from the first network side device serving the first terminal or from the wireless bearer SLRB configuration information management of the direct communication interface of the first terminal
  • the protocol layer obtains the SLRB configuration information corresponding to the first terminal state change; releases the SLRB that the current direct communication interface has established, or executes the SLRB configuration information of the direct communication interface according to the corresponding SLRB configuration information after the first terminal state change Remapping, in this way, when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the terminal provided by the embodiment of the present disclosure is the first terminal capable of executing the above-mentioned method for changing the direct communication interface bearer configuration, and all the above-mentioned embodiments corresponding to the method for changing the direct communication interface bearer configuration on the first terminal side are applicable to The terminal can achieve the same or similar beneficial effects.
  • an embodiment of the present disclosure also provides a terminal, where the terminal is a first terminal, and the first terminal is a direct communication interface sending terminal, including:
  • the first acquiring module 401 is configured to, when the state of the first terminal changes, from the first network side device serving the first terminal or from the controller responsible for the wireless bearer SLRB configuration information management of the direct communication interface of the first terminal
  • the protocol layer acquires the SLRB configuration information corresponding to the state change of the first terminal
  • the first processing module 402 is configured to release the existing SLRB of the current direct communication interface, or, according to the corresponding SLRB configuration information after the state of the first terminal is changed, perform the SLRB remapping of the direct communication interface.
  • the first obtaining module 401 may include:
  • the first acquiring unit is configured to send request information to the first network side device serving the first terminal or to the protocol layer responsible for the management of the SLRB configuration information of the first terminal when the state of the first terminal changes , Request to obtain the SLRB configuration information corresponding to the state change of the first terminal.
  • the first obtaining module 401 may include:
  • the second acquiring unit is configured to acquire the state of the first terminal from the first network side device served by the first terminal through RRC dedicated signaling when the state of the first terminal changes to the RRC_CONNECTED state The corresponding SLRB configuration information after the change;
  • the third acquiring unit is configured to use the system message block SIB from the first network side served by the first terminal when the state of the first terminal changes to the radio resource control idle RRC_IDLE state or the radio resource control inactive RRC_INACTIVE state
  • the device obtains the SLRB configuration information corresponding to the state change of the first terminal
  • the fourth obtaining unit is configured to obtain the corresponding state change of the first terminal from the protocol layer responsible for the management of SLRB configuration information of the first terminal through inter-layer interaction when the state of the first terminal changes to the offline state.
  • SLRB configuration information is configured to obtain the corresponding state change of the first terminal from the protocol layer responsible for the management of SLRB configuration information of the first terminal through inter-layer interaction when the state of the first terminal changes to the offline state.
  • the status of the first terminal is changed, including one of the following situations:
  • the first terminal in the RRC_IDLE state is reselected from one cell to another cell;
  • the first terminal in the RRC_CONNECTED state is handed over from one cell to another cell.
  • the first processing module 402 may include:
  • the first processing unit is configured to release the SLRB established by the current direct communication interface after obtaining the SLRB configuration information corresponding to the state change of the first terminal, or according to the corresponding SLRB configuration after the state change of the first terminal Information, perform the SLRB remapping of the direct communication interface.
  • the first sending module is configured to send instruction information to a second terminal, where the second terminal is a communication peer that forms a direct communication link with the first terminal, and the instruction information includes:
  • the SLRB either releases the currently established SLRB and establishes the first type of indication information of a new SLRB or the second type of indication information used to indicate the SLRB remapping of the direct communication interface.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with the full configuration identifier
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the second sending module is configured to receive the response message sent by the second terminal.
  • the first processing module 402 may include:
  • the second processing unit is configured to release the SLRB that has been established by the current direct communication interface after receiving the response message sent by the second terminal, or execute the direct operation according to the corresponding SLRB configuration information after the state of the first terminal is changed. SLRB remapping of the communication interface.
  • the first establishment module is configured to establish a target SLRB according to the SLRB configuration information.
  • the first network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the first terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal direct communication interface is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • the embodiment of the present disclosure also provides a terminal, which is the first terminal. Since the principle of the first terminal to solve the problem is similar to the method for changing the direct communication interface bearer configuration in the embodiment of the present disclosure, the implementation of the terminal can refer to the method The implementation of the repetition will not be repeated.
  • the SLRB when the state of the first terminal changes through the first acquisition module, the SLRB is wirelessly carried from the first network side device serving the first terminal or from the direct communication interface responsible for the first terminal.
  • the protocol layer of configuration information management obtains the corresponding SLRB configuration information after the state of the first terminal is changed; the first processing module releases the SLRB established by the current direct communication interface, or according to the corresponding SLRB configuration after the state of the first terminal is changed Information, perform the SLRB remapping of the direct communication interface, so that when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the terminal provided by the embodiment of the present disclosure is the first terminal capable of executing the above-mentioned method for changing the direct communication interface bearer configuration, and all the above-mentioned embodiments corresponding to the method for changing the direct communication interface bearer configuration on the first terminal side are applicable to The terminal can achieve the same or similar beneficial effects.
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:
  • the first terminal When the state of the first terminal changes, obtain the first terminal from the first network-side device serving the first terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the first terminal's direct communication interface The corresponding SLRB configuration information after the status change;
  • an embodiment of the present disclosure also provides a terminal.
  • the terminal includes a memory 520, a processor 500, a transceiver 510, a bus interface, and is stored in the memory 520 and can run on the processor 500.
  • the processor 500 is used to read the program in the memory 520 and execute the following process:
  • the second terminal When the state of the second terminal changes, obtain the second terminal from the second network side device serving the second terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal The corresponding SLRB configuration information after the status change.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 500 and various circuits of the memory represented by the memory 520 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 510 may be a plurality of elements, that is, including a transmitter and a transceiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 530 may also be an interface capable of externally connecting internally required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the indication information includes the first type of indication information used to release the currently established SLRB or release the currently established SLRB and establish a new SLRB or the second type used to indicate the SLRB remapping of the direct communication interface Indication information; the processor 500 is further configured to:
  • an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal is performed.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with full configuration instructions
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer information of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the indication information is the first type of indication information
  • the processor 500 is further configured to:
  • the first type of indication information includes SLRB configuration information for establishing an SLRB
  • the SLRB is established according to the SLRB configuration information.
  • processor 500 is further configured to:
  • processor 500 is further configured to:
  • the corresponding SLRB and corresponding SDAP, PDCP, and RLC entities are established.
  • processor 500 is further configured to:
  • the second type of indication information after receiving the End Marker Control PDU corresponding to the SLRB, perform SLRB reconfiguration.
  • the transceiver 510 is used to:
  • the second network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the second terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • the embodiment of the present disclosure also provides a terminal, which is a second terminal. Since the principle of the second terminal to solve the problem is similar to the method for changing the direct communication interface bearer configuration in the embodiment of the present disclosure, the implementation of the terminal may refer to the method The implementation of the repetition will not be repeated.
  • the terminal of the embodiment of the present disclosure receives the instruction information sent by the first terminal; according to the instruction information, releases the SLRB that has been established by the current direct communication interface, or executes the SLRB remapping corresponding to the direct communication interface of the first terminal In this way, when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the terminal provided in the embodiments of the present disclosure is a second terminal capable of executing the above-mentioned direct communication interface bearer configuration change method, and all the above-mentioned embodiments corresponding to the direct communication interface bearer configuration change method on the second terminal side are applicable to The terminal can achieve the same or similar beneficial effects.
  • the implementation of the present disclosure also provides a terminal, the terminal is a second terminal, and the second terminal is a direct communication interface receiving terminal, including:
  • the second processing module 601 is configured to receive the instruction information sent by the first terminal; according to the instruction information, release the SLRB established by the current direct communication interface, or perform the SLRB remapping corresponding to the direct communication interface of the first terminal The operation; or,
  • the second acquisition module is used to, when the state of the second terminal changes, from the second network side device serving the second terminal or from the protocol responsible for the management of the wireless bearer SLRB configuration information of the second terminal’s direct communication interface
  • the layer obtains the SLRB configuration information corresponding to the state change of the second terminal.
  • the indication information includes the first type of indication information used to release the currently established SLRB or release the currently established SLRB and establish a new SLRB or indicate the remapping of the SLRB of the direct communication interface
  • the second type of indication information; the second processing module 601 may include:
  • the third processing unit is configured to release the currently established SLRB of the direct communication interface according to the first type of instruction information; or,
  • the fourth processing unit is configured to perform an operation corresponding to the SLRB remapping of the direct communication interface of the first terminal according to the second type of indication information.
  • the first type of indication information includes one of the following:
  • the protocol data unit PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to instruct the second terminal to release the currently established SLRB of the direct communication interface.
  • the RRC signaling of the direct communication interface carries at least one of the following information:
  • the direct communication interface is fully configured with the full configuration identifier
  • the first terminal identifier
  • the second terminal identifier
  • the payload of the MAC CE of the direct communication interface is empty, or the payload of the MAC CE includes at least one of the following information:
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal; wherein, the radio bearer identifier or logical channel identifier corresponding to the SLRB is a complete identifier or is numbered according to the identifier
  • the ascending or descending order uses the identifier indicated by the bitmap.
  • the MAC subheader corresponding to the MAC CE includes a logical channel identifier, and the logical channel identifier is used to identify that the MAC CE is a MAC CE used for SLRB release.
  • the physical layer signaling of the direct communication interface includes at least one of the following information:
  • 1bit indication information used to indicate that all SLRBs of the current direct communication interface are to be released
  • the first terminal identifier
  • the second terminal identifier
  • the radio bearer identifier or the logical channel identifier corresponding to the SLRB to be released between the first terminal and the second terminal.
  • the second type of indication information includes at least one of the following:
  • the PDU of the direct communication interface where the PDU is a data PDU or a control PDU, and the PDU is used to indicate that the first terminal has performed SLRB remapping.
  • the content of the RRC signaling of the direct communication interface includes at least one of the following:
  • the indication information is the first type of indication information
  • the terminal of the embodiment of the present disclosure may further include:
  • the release module is configured to release the SLRB that has been established by the current direct communication interface according to the first type of instruction information
  • the second establishment module is configured to establish an SLRB according to the SLRB configuration information when the first type of indication information includes SLRB configuration information for establishing the SLRB.
  • the second processing module 601 may include:
  • the first release unit is configured to receive the second type of indication information and release the SLRB corresponding to the direct communication interface;
  • the second release unit is configured to release the SLRB corresponding to the End Marker Control PDU when the end marker control protocol data unit End Marker Control PDU of the service data adaptation protocol layer corresponding to the SLRB is received.
  • the second processing module 601 may include:
  • the first establishment unit is used to establish the corresponding SLRB and corresponding service data adaptation protocol SDAP, packet data convergence protocol PDCP and wireless link when receiving the first data packet corresponding to the combination of source address, destination address and logical channel identifier Road control RLC entity;
  • the second establishment unit is used to establish the corresponding SLRB and the corresponding SDAP, PDCP and RLC entities when the first data packet corresponding to the combination of the source address, the destination address, the transmission type and the logical channel identifier is received.
  • the second processing module 601 may include:
  • the first reconfiguration unit is configured to perform SLRB reconfiguration according to the second type of indication information
  • the second reconfiguration unit is configured to perform SLRB reconfiguration after receiving the End Marker Control PDU corresponding to the SLRB according to the second type of indication information.
  • the third sending module is configured to send a response message to the first terminal.
  • the second network side device is a serving base station, a serving distributed unit DU, or a serving centralized unit CU of the second terminal;
  • the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal is an RRC layer or another protocol layer that stores the SLRB configuration information.
  • the embodiment of the present disclosure also provides a terminal, which is a second terminal. Since the principle of the second terminal to solve the problem is similar to the method for changing the direct communication interface bearer configuration in the embodiment of the present disclosure, the implementation of the terminal may refer to the method The implementation of the repetition will not be repeated.
  • the terminal of the embodiment of the present disclosure receives the instruction information sent by the first terminal through the second processing module; according to the instruction information, releases the SLRB that has been established by the current direct communication interface, or executes the direct communication interface with the first terminal The operation corresponding to the SLRB remapping, so that when the state of the terminal changes, the currently established SLRB can be effectively processed, and the direct communication interface bearer configuration can be updated in time.
  • the terminal provided in the embodiments of the present disclosure is a second terminal capable of executing the above-mentioned direct communication interface bearer configuration change method, and all the above-mentioned embodiments corresponding to the direct communication interface bearer configuration change method on the second terminal side are applicable to The terminal can achieve the same or similar beneficial effects.
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:
  • the second terminal When the state of the second terminal changes, obtain the second terminal from the second network side device serving the second terminal or from the protocol layer responsible for the management of the SLRB configuration information of the radio bearer of the direct communication interface of the second terminal The corresponding SLRB configuration information after the status change.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • 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, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure can be embodied in the form of a software product in essence or a part that contributes to the related technology.
  • the computer software product is stored in a storage medium and includes a number of instructions to make a A computer device (which may be a personal computer, a server, or a network device, etc.) executes all or part of the steps of the methods described in the various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
  • the program can be stored in a computer readable storage medium. When executed, it may include the procedures of the above-mentioned method embodiments.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.
  • modules, units, and sub-units can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSP Device, DSPD) ), programmable logic devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, used to execute the present disclosure Described functions in other electronic units or combinations thereof.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processor
  • DSP Device Digital Signal Processing Device
  • DSPD Digital Signal Processing Device
  • PLD programmable logic devices
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.

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Abstract

本公开提供一种直接通信接口承载配置变更方法及终端。本公开的方法包括:在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。

Description

直接通信接口承载配置变更方法及终端
相关申请的交叉引用
本申请主张在2019年9月20日在中国提交的中国专利申请号No.201910895272.5的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域,尤其涉及一种直接通信接口承载配置变更方法及终端。
背景技术
相关技术中的协议约定直接通信接口无线承载(Sidelink Radio Bearer,SLRB)配置信息和直接通信发送终端的状态相关,其中:
对于Uu接口处于无线资源控制连接(Radio Resource Control CONNECTED,RRC_CONNECTED)态的终端,终端需要通过专用信令向网络请求直接通信接口SLRB的配置信息;
对于Uu接口处于无线资源控制空闲(Radio Resource Control IDLE,RRC_IDLE)态或者无线资源控制非激活(Radio Resource Control INACTIVE,RRC_INACTIVE)态的终端,终端需要通过系统信息块(System Information Block,SIB)获取网络配置的直接通信接口SLRB的配置信息;
对于脱网(Out Of Coverage,OOC)状态的终端,终端需要通过预配置信息获取直接通信接口SLRB的配置信息。
而实际通信系统中,终端是不断移动的,终端在Uu接口的状态是可能会不断发生变化的,而一旦终端的状态发生变更,如何处理当前已经建立的直接通信接口SLRB,成为相关技术中亟待解决的一个问题。
发明内容
本公开的目的在于提供一种直接通信接口承载配置变更方法及终端,用以解决相关技术中终端的状态发生变更时,如何处理当前已建立的直接通信 接口SLRB的问题。
为了实现上述目的,本公开实施例提供一种直接通信接口承载配置变更方法,应用于第一终端,所述第一终端为直接通信接口发送终端,包括:
在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息,包括:
在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
其中,所述在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息,包括:
若所述第一终端的状态变更为无线资源控制连接RRC_CONNECTED状态,则通过RRC专用信令从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为无线资源控制空闲RRC_IDLE状态或者无线资源控制非激活RRC_INACTIVE状态,则通过系统消息块SIB从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为脱网状态,则通过层间交互从负责所述第一终端SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息。
其中,所述第一终端的状态发生变更,包括以下情况中的一种:
由脱网状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
由RRC_IDLE状态或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
由RRC_CONNECTED状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
处于RRC_IDLE状态的所述第一终端由一个小区重选到另一个小区;
处于RRC_CONNECTED状态的所述第一终端由一个小区切换到另一个小区。
其中,所述释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,包括:
在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息后,所述方法还包括:
向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
其中,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元(Medium Access Control Control Element,MAC CE);
直接通信接口的物理层信令;
直接通信接口的协议数据单元(Protocol Data Unit,PDU),所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
其中,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration标识;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
其中,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
其中,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
其中,所述直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
其中,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
其中,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
其中,在向第二终端发送指示信息之后,所述方法还包括:
接收所述第二终端发送的响应消息。
其中,所述释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,包括:
在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,在释放当前直接通信接口已经建立的SLRB之后,所述方法还包括:
根据所述SLRB配置信息,建立目标SLRB。
其中,所述第一网络侧设备为所述第一终端的服务基站、服务分布式单元(Distributed Unit,DU)或者服务集中式单元(Central Unit,CU);
所述负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
为了实现上述目的,本公开实施例还提供一种直接通信接口承载配置变更方法,应用于第二终端,所述第二终端为直接通信接口接收终端,包括:
接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
其中,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;
根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,包括:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB; 或者,
根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
其中,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
其中,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration指示;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
其中,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
其中,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
其中,所述直接通信接口的物理层信息包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
其中,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
其中,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
其中,所述指示信息为所述第一类指示信息,所述方法还包括:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;
在所述第一类指示信息包括建立SLRB的SLRB配置信息时,根据所述SLRB配置信息,建立SLRB。
其中,所述执行与所述第一终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
其中,在释放所述直接通信接口对应的SLRB或者释放所述End Marker Control PDU对应的SLRB之后,所述执行与所述第一终端直接通信接口的SLRB重映射对应的操作还包括以下中的至少一项:
接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议(Service Data Adaptation Protocol,SDAP)、分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)和无线链路控制(Radio Link Control,RLC)实体;
接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
其中,所述执行与所述第一终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
根据所述第二类指示信息,执行SLRB重配置;
根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
其中,所述方法还包括:
向所述第一终端发送响应消息。
其中,所述第二网络侧设备为所述第二终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
为了实现上述目的,本公开实施例还提供一种终端,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序;所述处理器用于在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,所述处理器还用于:
在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
其中,所述处理器还用于:
若所述第一终端的状态变更为无线资源控制连接RRC_CONNECTED状态,则通过RRC专用信令从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为无线资源控制空闲RRC_IDLE状态或者无线资源控制非激活RRC_INACTIVE状态,则通过系统消息块SIB从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配 置信息;或者,
若所述第一终端的状态变更为脱网状态,则通过层间交互从负责所述第一终端SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息。
其中,所述第一终端的状态发生变更,包括以下情况中的一种:
由脱网状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
由RRC_IDLE状态或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
由RRC_CONNECTED状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
处于RRC_IDLE状态的所述第一终端由一个小区重选到另一个小区;
处于RRC_CONNECTED状态的所述第一终端由一个小区切换到另一个小区。
其中,所述处理器还用于:
在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,所述收发机用于:
向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
其中,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
其中,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration标识;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
其中,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
其中,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
其中,所述直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
其中,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
其中,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
其中,所述收发机还用于:
接收所述第二终端发送的响应消息。
其中,所述处理器还用于:
在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,所述处理器还用于:
根据所述SLRB配置信息,建立目标SLRB。
其中,所述第一网络侧设备为所述第一终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
为了实现上述目的,本公开实施例还提供一种终端,所述终端为第一终端,所述第一终端为直接通信接口发送终端,包括:
第一获取模块,用于在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
第一处理模块,用于释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
为了实现上述目的,本公开实施例还提供了一种终端,包括:收发机、存储器、处理器及存储在存储器上并可在处理器上运行的程序,所述处理器用于读取存储器中的程序,执行下列过程:
所述处理器用于接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设 备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
其中,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;所述处理器还用于:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
其中,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
其中,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration指示;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
其中,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标 识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
其中,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
其中,所述直接通信接口的物理层信息包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
其中,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
其中,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
其中,所述指示信息为所述第一类指示信息,所述处理器还用于:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;
在所述第一类指示信息包括建立SLRB的SLRB配置信息时,根据所述SLRB配置信息,建立SLRB。
其中,所述处理器还用于:
接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
其中,所述处理器还用于:
接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
其中,所述处理器还用于:
根据所述第二类指示信息,执行SLRB重配置;
根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
其中,所述收发机用于:
向所述第一终端发送响应消息。
其中,所述第二网络侧设备为所述第二终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
为了实现上述目的,本公开实施例还提供了一种终端,所述第二终端为直接通信接口接收终端,包括:
第二处理模块,用于接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
第二获取模块,用于在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
为了实现上述目的,本公开实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该计算机程序被处理器执行时实现如上述实施例所述的直接通信接口承载配置变更方法的步骤。
本公开的上述技术方案至少具有如下有益效果:
本公开实施例的上述技术方案中,通过在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;释放当前直接通信接口已经建立的SLRB,或者,根 据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
附图说明
图1为本公开实施例的直接通信接口承载配置变更方法流程示意图之一;
图2为本公开实施例的直接通信接口承载配置变更方法流程示意图之二;
图3为本公开实施例的终端的结构框图之一;
图4为本公开实施例的终端的模块示意图之一;
图5为本公开实施例的终端的结构框图之二;
图6为本公开实施例的终端的模块示意图之二。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
如图1所示,为本公开实施例提供的一种直接通信接口承载配置变更方法的流程示意图,应用于第一终端,所述第一终端为直接终端接口发送终端,包括:
步骤101:在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
作为一较优的实现方式,本步骤可具体包括:
在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
也就是说,在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息;获取所述第一网络侧设备或者负责所述第一终端SLRB配置信息管理的协议层基于所述请求信息返回的所述第一终端状态变更后对应的 SLRB配置信息。
作为另一较优的实现方式,本步骤可具体包括:
若所述第一终端的状态变更为无线资源控制连接RRC_CONNECTED状态,则通过RRC专用信令从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为无线资源控制空闲RRC_IDLE状态或者无线资源控制非激活RRC_INACTIVE状态,则通过系统消息块SIB从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为脱网状态,则通过层间交互从负责所述第一终端SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息。
需要说明的是,在所述第一终端的状态变更为RRC_CONNECTED状态的情况下,所述第一终端通过无线资源控制(Radio Resource Control,RRC)专用信令向第一网络侧设备请求获得所述第一终端状态变更后对应的SLRB配置信息;
在所述第一终端的状态变更为RRC_IDLE状态或者RRC_INACTIVE状态的情况下,所述第一终端通过读取系统消息块(System Information Block,SIB)获取第一网络侧设备配置的所述第一终端状态变更后对应的SLRB配置信息;
在所述第一终端的状态变更为脱网状态的情况下,获取所述第一终端状态变更后对应的SLRB配置信息的负责所述第一终端SLRB配置信息管理的协议层具体是指RRC层或者存储SLRB配置信息的其他协议层。
可选地,所述第一终端的状态发生变更,包括以下情况中的一种:
由脱网状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
由RRC_IDLE状态或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
由RRC_CONNECTED状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
处于RRC_IDLE状态的所述第一终端由一个小区重选到另一个小区;
处于RRC_CONNECTED状态的所述第一终端由一个小区切换到另一个小区。
这里,可选地,所述第一网络侧设备为所述第一终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
步骤102:释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
作为一较优的实现方式,本步骤可具体包括:
在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
也就是说,触发执行本步骤的时刻是在获取到所述第一终端状态变更后对应的SLRB配置信息后。
本公开实施例的直接通信接口承载配置变更方法,通过在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
基于图1所示的实施例,作为一可选地实现方式,在步骤102之后,所述方法还可包括:
向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
可选地,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
其中,可选地,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration标识;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
可选地,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
这里,要释放的SLRB对应的无线承载标识或者逻辑信道标识可为完整的标识。要释放的SLRB对应的无线承载标识或者逻辑信道标识也可以为按照标识编号的升序或者降序顺序使用比特映射指示的标识,具体的,可通过比特映射bitmap方式指示要释放的SLRB对应的无线承载或者逻辑信道。所谓比特映射就是1个bit对应一个无线承载标识或者逻辑信道标识,如果取值为1,则标识需要释放所述SLRB。
进一步地,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
也就是说,在所述MAC CE对应的MAC子头中引入一个新的逻辑信道标识,用于标识所述MAC CE是用于直接通信接口承载释放的MAC CE。
当直接通信接口接收终端接收到的指示信息中包括MAC CE对应的MAC子头中包含该新的逻辑信道标识,则该直接通信接口接收终端可通过该指示信息,释放当前直接通信接口已经建立的SLRB。
可选地,所述直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选地,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
进一步地,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
基于此,作为一可选地实现方式,在向第二终端发送指示信息之后,所述方法还可包括:
接收所述第二终端发送的响应消息。
基于此,作为一较优的实现方式,本方法的步骤102可具体包括:
在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
也就是说,触发执行本方法步骤102的时刻还可以是在接收到所述第二终端发送的响应消息后。
需要说明的是,无论是在获取到所述第一终端状态变更后对应的SLRB配置信息后释放当前直接通信接口已经建立的SLRB,还是在接收到所述第二终端发送的响应消息后释放当前直接通信接口已经建立的SLRB,在释放当前直接通信接口已经建立的SLRB之后,所述方法还可包括:
根据所述SLRB配置信息,建立目标SLRB。
也就是说,根据所述第一终端状态变更后对应的SLRB配置信息,建立新的SLRB。
本公开实施例的直接通信接口承载配置变更方法,通过在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
如图2所示,为本公开实施例提供的直接通信接口承载配置变更方法的流程示意图,应用于第二终端,所述第二终端为直接通信接口接收终端,包括:
步骤201:接收第一终端发送的指示信息;
本步骤中,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
步骤202:根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
针对步骤201中指示信息包括的第一类指示信息或者第二类指示信息,相应的,本步骤可以具体包括:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
也就是说,若指示信息包括所述第一类指示信息,则释放当前直接通信接口已经建立的SLRB。
若指示信息包括所述第二类指示信息,则执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
或者,本公开实施例的方法,包括:
在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
这里,可选地,所述第二网络侧设备为所述第二终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
本公开实施例的直接通信接口承载配置变更方法,通过接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
可选地,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
其中,可选地,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration指示;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
可选地,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
这里,要释放的SLRB对应的无线承载标识或者逻辑信道标识可为完整的标识。要释放的SLRB对应的无线承载标识或者逻辑信道标识也可以为按照标识编号的升序或者降序顺序使用比特映射指示的标识,具体的,可通过比特映射bitmap方式指示要释放的SLRB对应的无线承载或者逻辑信道。
进一步地,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
也就是说,在所述MAC CE对应的MAC子头中引入一个新的逻辑信道标识,用于标识所述MAC CE是用于直接通信接口承载释放的MAC CE。
当第二终端接收到的指示信息中包括MAC CE对应的MAC子头中包含该新的逻辑信道标识,则该第二终端可通过该指示信息,释放当前直接通信接口已经建立的SLRB。
可选地,所述直接通信接口的物理层信息包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选地,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
进一步地,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
基于图2所示的实施例,作为一可选地实现方式,所述指示信息为所述第一类指示信息,所述方法还可包括:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;
在所述第一类指示信息包括建立SLRB的SLRB配置信息时,根据所述SLRB配置信息,建立SLRB。
举例说明,若第一类指示信息为直接通信接口的RRC信令,且RRC信令携带有所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识,以及所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息,该情形下,可执行上述步骤。
基于图2所示的实施例,作为一可选地实现方式,步骤202中执行与所述第一终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
基于此,进一步地,在释放所述直接通信接口对应的SLRB或者释放所述End Marker Control PDU对应的SLRB之后,执行与所述第一终端直接通信接口的SLRB重映射对应的操作还可包括以下中的至少一项:
接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
需要说明的是,上述执行与所述第一终端直接通信接口的SLRB重映射 对应的操作适用于直接通信的传输类型为组播、广播或单播。
基于图2所示的实施例,作为另一可选地实现方式,步骤202中执行与所述第一终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
根据所述第二类指示信息,执行SLRB重配置;
根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
较优地,上述执行与所述第一终端直接通信接口的SLRB重映射对应的操作适用于直接通信的传输类型为单播。当然,也并不排除其他的传输类型,比如,组播或者广播。
基于图2所示的实施例,作为一可选地实现方式,所述方法还可包括:
向所述第一终端发送响应消息。
通过接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
本公开实施例的直接通信接口承载配置变更方法,通过接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
下面就以下实施例具体说明本公开方法在直接通信接口发送终端与直接通信接口之间(即第一终端和第二终端之间)的实施过程。
实施例一
对于直接通信发送终端RRC状态变更的情形,本实施例中直接通信接口承载配置变更方法可具体包括:
S1:直接通信发送终端判断其Uu接口是否发生RRC状态变更;
本步骤中,RRC状态变更,包括但不限于如下任一一种:
1)由脱网状态变更为RRC_IDLE状态;
2)由RRC_IDLE或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
3)由RRC_CONNECTED状态变更为RRC_IDLE或者RRC_INACTIVE状态。
S2:若直接通信发送终端Uu接口发生RRC状态变更,则直接通信发送终端向其直接通信接口无线承载SLRB配置信息管理功能节点(也就是,为直接通信发送终端服务的第一网络侧设备,如基站)或直接通信发送终端负责SLRB配置信息管理的协议层请求新的SLRB配置信息;
需要说明的是,若变更后的RRC状态为RRC_CONNECTED状态,则SLRB配置信息管理功能节点指的是服务基站、服务分布式单元DU或者服务集中式单元CU;
若变更后的RRC状态为RRC_IDLE或者RRC_INACTIVE状态,则负责SLRB配置信息管理的协议层指的是直接通信发送终端自身的RRC层;
若变更后的RRC状态为OOC状态,则负责SLRB配置信息管理的协议层指的是直接通信发送终端自身的RRC层或者其他存储预配置信息的协议层。
S3:当直接通信发送终端在接收到新的SLRB配置信息时,向直接通信接收终端发送指示信息;
具体的,指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
可选地,第一类指示信息可以是但不限于以下中的一项:
直接通信接口的RRC信令,例如,PC5-RRC重配消息;
直接通信接口的MAC CE;
直接通信接口的物理层信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示直接通信接收终端释放当前直接通信接口已经建立的SLRB。
可选地,直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration指示;
直接通信发送终端标识;
直接通信接收终端标识;
直接通信发送终端与直接通信接收终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
直接通信发送终端与直接通信接收终端之间要建立的SLRB的SLRB配置信息。
可选地,直接通信接口的MAC CE的净荷为空,或者,MAC CE的净荷包括以下信息中的至少一项:
直接通信发送终端标识;
直接通信接收终端标识;
直接通信发送终端与直接通信接收终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
需要说明的是,所述MAC CE对应的MAC子头中包含逻辑信道标识,该逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
可选地,直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
直接通信发送终端标识;
直接通信接收终端标识;
直接通信发送终端与直接通信接收终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选地,第二类指示信息可以是但不限于以下中的一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示直接通信发送终端已执行SLRB重映射。
具体的,直接通信接口的RRC信令的内容包括以下至少一项:
所述直接通信发送终端状态变更前的SLRB配置信息;
所述直接通信发送终端状态变更后的SLRB配置信息。
S4:直接通信接收终端接收到指示信息后,释放当前直接通信接口已经建立的SLRB,或者,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作。
需要说明的是,指示信息即为上述S3步骤中的指示信息,这里不再赘述。
这里,若直接通信接收终端接收到第一类指示信息,则释放当前直接通信接口已经建立的SLRB;
可选地,当第一类指示信息包括释放SLRB的标识信息和建立SLRB的SLRB配置信息时,直接通信接收终端先执行SLRB释放,再执行SLRB建立。
当第一类指示信息仅包括释放SLRB的标识信息时,仅执行SLRB释放。
若直接通信接收终端接收到第二类指示信息,则执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作。
可选地,直接通信接收终端接收到指示信息后,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作,可以具体包括:
对于直接通信接口组播、广播或者单播,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
接收到第二类指示信息,释放该直接通信接口对应的SLRB;
接收到SLRB对应的SDAP层的End Marker Control PDU时,释放该End Marker Control PDU对应的SLRB。
进一步地,在释放该直接通信接口对应的SLRB或者释放该End Marker Control PDU对应的SLRB之后,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作还可包括以下中的至少一项:
接收到新的源地址、目的地址和LCID组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体;
接收到新的源地址、目的地址传输类型和LCID组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
需要说明的是,对于直接通信接口单播来说,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作,除了包括上述操作以外,还可包括以下中的至少一项:
根据第二类指示信息,执行SLRB重配置;
根据第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
当然,也不排除后续版本,对于传输类型为广播或组播的直接通信接口也可以使用上述单播相关操作。
S5:直接通信接收终端向直接通信发送终端发送响应消息。
这里,可选地,直接通信发送终端可以在接收到新的SLRB配置信息(即步骤S2)之后,释放当前直接通信接口已经建立的SLRB,或者,根据其状态变更后对应的新的SLRB配置信息,执行直接通信接口的SLRB重映射,或者,根据其状态变更后对应的新的SLRB配置信息,建立新的SLRB。
直接通信发送终端也可以在接收到直接通信接收终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据其状态变更后对应的新的SLRB配置信息,执行直接通信接口的SLRB重映射,或者,根据其状态变更后对应的新的SLRB配置信息,建立新的SLRB。
最后,直接通信发送终端可以利用新的SLRB配置和直接通信接收终端进行直接通信接口的通信。
实施例二
对于处于RRC_IDLE状态的直接通信发送终端发生小区重选的情形,本实施例中直接通信承载配置变更方法可具体包括:
S11:直接通信发送终端判断是否发生小区重选;
需要说明的是,处于RRC_IDLE状态的用户终端(User Equipment,UE),由于其移动,当满足小区重选条件时,其在Uu接口会发生小区重选,具体的是由一个小区重选到另一个小区。
S12:若直接通信发送终端发生小区重选,则直接通信发送终端向重选后的直接通信发送终端负责SLRB配置信息管理的协议层请求新的SLRB配置信息。
这里,对于处于RRC_IDLE状态的UE,其负责SLRB配置信息管理的协议层为UE自身的RRC层。
需要说明的是,小区重选后,处于RRC_IDLE状态的UE会从新的服务 小区获取新的直接通信专用SIB后存储在其RRC层。
这里,新的直接通信专用SIB包括网络配置的新的SLRB配置信息。
S13:当直接通信发送终端在接收到新的SLRB配置信息时,向直接通信接收终端发送指示信息;
本步骤中的指示信息同上述实施例一中所述的指示信息相同,具体详见实施例一,这里不再赘述。
S14:直接通信接收终端接收到指示信息后,释放当前直接通信接口已经建立的SLRB,或者,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作。
需要说明的是,指示信息即为上述S13步骤中的指示信息,这里不再赘述。
本步骤中其详细实施过程可参见上述实施例一中的步骤S4部分,这里不再赘述。
S15:直接通信接收终端向直接通信发送终端发送响应消息。
这里,可选地,直接通信发送终端可以在接收到新的SLRB配置信息(即步骤S12)之后,释放当前直接通信接口已经建立的SLRB,或者,根据其状态变更后对应的新的SLRB配置信息,执行直接通信接口的SLRB重映射,或者,根据其状态变更后对应的新的SLRB配置信息,建立新的SLRB。
直接通信发送终端也可以在接收到直接通信接收终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据其状态变更后对应的新的SLRB配置信息,执行直接通信接口的SLRB重映射,或者,根据其状态变更后对应的新的SLRB配置信息,建立新的SLRB。
最后,直接通信发送终端可以利用新的SLRB配置和直接通信接收终端进行直接通信接口的通信。
实施例三
对于处于RRC_CONNECTED状态的直接通信发送终端发生小区切换的情形,本实施例中直接通信承载配置变更方法可具体包括:
S111:直接通信发送终端判断是否发生小区切换;
需要说明的是,处于RRC_CONNECTED状态的UE,由于其移动,当满 足小区切换条件时,其在Uu接口会发生小区切换,具体的是由一个小区切换到另一个小区。
S112:若直接通信发送终端发生小区切换,则直接通信发送终端向其切换后对应的为该直接通信发送终端服务的网络侧设备请求新的SLRB配置信息。
这里,对于处于RRC_CONNECTED状态的UE,其切换后对应的网络侧设备为UE的服务基站。
需要说明的是,小区切换后,处于RRC_CONNECTED状态的UE会从新的服务小区通过专用信令方式获取新的SLRB配置信息,并存储在UE的RRC层。
S113:当直接通信发送终端在接收到新的SLRB配置信息时,向直接通信接收终端发送指示信息;
本步骤中的指示信息同上述实施例一中所述的指示信息相同,具体详见实施例一,这里不再赘述。
S114:直接通信接收终端接收到指示信息后,释放当前直接通信接口已经建立的SLRB,或者,执行与直接通信发送终端直接通信接口的SLRB重映射对应的操作。
需要说明的是,指示信息即为上述S113步骤中的指示信息,这里不再赘述。
本步骤中其详细实施过程可参见上述实施例一中的步骤S4部分,这里不再赘述。
S115:直接通信接收终端向直接通信发送终端发送响应消息。
这里,可选地,直接通信发送终端可以在接收到新的SLRB配置信息(即步骤S112)之后,释放当前直接通信接口已经建立的SLRB,或者,根据其状态变更后对应的新的SLRB配置信息,执行直接通信接口的SLRB重映射,或者,根据其状态变更后对应的新的SLRB配置信息,建立新的SLRB。
直接通信发送终端也可以在接收到直接通信接收终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据其状态变更后对应的新的SLRB配置信息,执行直接通信接口的SLRB重映射,或者,根据其状 态变更后对应的新的SLRB配置信息,建立新的SLRB。
最后,直接通信发送终端可以利用新的SLRB配置和直接通信接收终端进行直接通信接口的通信。
实施例四
对于直接通信接收终端RRC状态变更的情形,本实施例中直接通信接口承载配置变更方法可具体包括:
若直接通信发送终端RRC状态没有变更,仅直接通信接收终端RRC状态变更,则从为该直接通信接收终端服务的网络侧设备或者从负责该直接通信接收终端SLRB配置信息管理的协议层获取该直接通信接收终端状态变更后对应的SLRB配置信息。
这里,若直接通信接收终端变更后的RRC状态是RRC_CONNECTED状态,则为该直接通信接收终端服务的网络侧设备指的是基站;
若直接通信接收终端变更后的RRC状态是RRC_IDLE/RRC_INACTIVE,则负责该直接通信接收终端SLRB配置信息管理的协议层是该直接通信接收终端自身的RRC层;
若直接通信接收终端变更后的RRC状态是OOC,则负责该直接通信接收终端SLRB配置信息管理的协议层指的是该直接通信接收终端的RRC层或者其他存储预配置信息的协议层。
本实施例中,接通信接收终端的状态变更后,通过获取新的SLRB配置信息,能够及时更新直接通信接口的承载配置。
如图3所示,本公开实施例还提供了一种终端,所述终端包括:包括存储器320、处理器300、收发机310、总线接口及存储在存储器320上并可在处理器300上运行的程序,所述处理器300用于读取存储器320中的程序,执行下列过程:
在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
其中,在图3中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器300代表的一个或多个处理器和存储器320代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机310可以是多个元件,即包括发送机和收发机,提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备,用户接口330还可以是能够外接内接需要设备的接口,连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器300负责管理总线架构和通常的处理,存储器320可以存储处理器300在执行操作时所使用的数据。
可选的,所述处理器300还用于:
在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
可选的,所述处理器300还用于:
若所述第一终端的状态变更为无线资源控制连接RRC_CONNECTED状态,则通过RRC专用信令从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为无线资源控制空闲RRC_IDLE状态或者无线资源控制非激活RRC_INACTIVE状态,则通过系统消息块SIB从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
若所述第一终端的状态变更为脱网状态,则通过层间交互从负责所述第一终端SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息。
可选的,所述第一终端的状态发生变更,包括以下情况中的一种:
由脱网状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
由RRC_IDLE状态或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
由RRC_CONNECTED状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
处于RRC_IDLE状态的所述第一终端由一个小区重选到另一个小区;
处于RRC_CONNECTED状态的所述第一终端由一个小区切换到另一个小区。
可选的,所述处理器300还用于:
在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
可选的,所述收发机310用于:
向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
可选的,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
可选的,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration标识;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
可选的,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE 的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
可选的,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
可选的,所述直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选的,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
可选的,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
可选的,所述收发机310还用于:
接收所述第二终端发送的响应消息。
可选的,所述处理器300还用于:
在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
可选的,所述处理器300还用于:
根据所述SLRB配置信息,建立目标SLRB。
可选的,所述第一网络侧设备为所述第一终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
本公开实施例中还提供了一种终端,该终端为第一终端,由于第一终端解决问题的原理与本公开实施例中直接通信接口承载配置变更方法相似,因此该终端的实施可以参见方法的实施,重复之处不再敷述。
本公开实施例的终端,通过在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
需要说明的是,本公开实施例提供的终端是能够执行上述直接通信接口承载配置变更方法的第一终端,则上述对应第一终端侧的直接通信接口承载配置变更方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
如图4所示,本公开实施例还提供了一种终端,所述终端为第一终端,所述第一终端为直接通信接口发送终端,包括:
第一获取模块401,用于在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
第一处理模块402,用于释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
本公开实施例的终端,所述第一获取模块401可包括:
第一获取单元,用于在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
本公开实施例的终端,所述第一获取模块401可包括:
第二获取单元,用于在所述第一终端的状态变更为无线资源控制连接RRC_CONNECTED状态时,通过RRC专用信令从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;
第三获取单元,用于在所述第一终端的状态变更为无线资源控制空闲RRC_IDLE状态或者无线资源控制非激活RRC_INACTIVE状态时,通过系统消息块SIB从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;
第四获取单元,用于在所述第一终端的状态变更为脱网状态时,通过层间交互从负责所述第一终端SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息。
可选地,所述第一终端的状态发生变更,包括以下情况中的一种:
由脱网状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
由RRC_IDLE状态或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
由RRC_CONNECTED状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
处于RRC_IDLE状态的所述第一终端由一个小区重选到另一个小区;
处于RRC_CONNECTED状态的所述第一终端由一个小区切换到另一个小区。
本公开实施例的终端,第一处理模块402可包括:
第一处理单元,用于在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
本公开实施例的终端,还可包括:
第一发送模块,用于向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
可选地,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
可选地,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration标识;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
可选地,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
可选地,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
可选地,所述直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选地,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
可选地,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
本公开实施例的终端,还可包括:
第二发送模块,用于接收所述第二终端发送的响应消息。
本公开实施例的终端,所述第一处理模块402可包括:
第二处理单元,用于在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
本公开实施例的终端,还可包括:
第一建立模块,用于根据所述SLRB配置信息,建立目标SLRB。
可选地,所述第一网络侧设备为所述第一终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
本公开实施例中还提供了一种终端,该终端为第一终端,由于第一终端解决问题的原理与本公开实施例中直接通信接口承载配置变更方法相似,因此该终端的实施可以参见方法的实施,重复之处不再敷述。
本公开实施例的终端,通过第一获取模块在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信 接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;第一处理模块释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
需要说明的是,本公开实施例提供的终端是能够执行上述直接通信接口承载配置变更方法的第一终端,则上述对应第一终端侧的直接通信接口承载配置变更方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
在本公开的一些实施例中,还提供了一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现以下步骤:
在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
该程序被处理器执行时能实现上述应用于如1图所示的终端侧的方法实施例中的所有实现方式,为避免重复,此处不再赘述。
如图5所示,本公开实施例还提供了一种终端,所述终端包括:包括存储器520、处理器500、收发机510、总线接口及存储在存储器520上并可在处理器500上运行的程序,所述处理器500用于读取存储器520中的程序,执行下列过程:
接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
其中,在图5中,总线架构可以包括任意数量的互联的总线和桥,具体 由处理器500代表的一个或多个处理器和存储器520代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机510可以是多个元件,即包括发送机和收发机,提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备,用户接口530还可以是能够外接内接需要设备的接口,连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
可选地,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;所述处理器500还用于:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
可选地,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
可选地,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration指示;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
可选地,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE 的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
可选地,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
可选地,所述直接通信接口的物理层信息包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选地,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
可选地,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
可选地,所述指示信息为所述第一类指示信息,所述处理器500还用于:
根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;
在所述第一类指示信息包括建立SLRB的SLRB配置信息时,根据所述SLRB配置信息,建立SLRB。
可选地,所述处理器500还用于:
接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元 End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
可选地,所述处理器500还用于:
接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
可选地,所述处理器500还用于:
根据所述第二类指示信息,执行SLRB重配置;
根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
可选地,所述收发机510用于:
向所述第一终端发送响应消息。
可选地,所述第二网络侧设备为所述第二终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
本公开实施例中还提供了一种终端,该终端为第二终端,由于第二终端解决问题的原理与本公开实施例中直接通信接口承载配置变更方法相似,因此该终端的实施可以参见方法的实施,重复之处不再敷述。
本公开实施例的终端,通过接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
需要说明的是,本公开实施例提供的终端是能够执行上述直接通信接口承载配置变更方法的第二终端,则上述对应第二终端侧的直接通信接口承载配置变更方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
如图6所示,本公开实施还提供了一种终端,所述终端为第二终端,所述第二终端为直接通信接口接收终端,包括:
第二处理模块601,用于接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
第二获取模块,用于在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
本公开实施例的终端,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;所述第二处理模块601可包括:
第三处理单元,用于根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
第四处理单元,用于根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
可选地,所述第一类指示信息包括以下中的一项:
直接通信接口的RRC信令;
直接通信接口的媒体接入控制控制单元MAC CE;
直接通信接口的物理层信令;
直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
可选地,所述直接通信接口的RRC信令携带以下信息中的至少一项:
直接通信接口完全配置full configuration标识;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识 或者逻辑信道标识;
所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
可选地,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
可选地,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
可选地,所述直接通信接口的物理层信令包括以下信息中的至少一项:
1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
第一终端标识;
第二终端标识;
所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
可选地,所述第二类指示信息包括以下至少一项:
直接通信接口的RRC信令;
直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
可选地,所述直接通信接口的RRC信令的内容包括以下至少一项:
所述第一终端状态变更前的SLRB配置信息;
所述第一终端状态变更后的SLRB配置信息。
可选地,所述指示信息为所述第一类指示信息,本公开实施例的终端,还可包括:
释放模块,用于根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;
第二建立模块,用于在所述第一类指示信息包括建立SLRB的SLRB配置信息时,根据所述SLRB配置信息,建立SLRB。
本公开实施例的终端,第二处理模块601可包括:
第一释放单元,用于接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
第二释放单元,用于接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
本公开实施例的终端,第二处理模块601可包括:
第一建立单元,用于接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
第二建立单元,用于接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
本公开实施例的终端,第二处理模块601可包括:
第一重配置单元,用于根据所述第二类指示信息,执行SLRB重配置;
第二重配置单元,用于根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
本公开实施例的终端,还可包括:
第三发送模块,用于向所述第一终端发送响应消息。
可选地,所述第二网络侧设备为所述第二终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
所述负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
本公开实施例中还提供了一种终端,该终端为第二终端,由于第二终端解决问题的原理与本公开实施例中直接通信接口承载配置变更方法相似,因此该终端的实施可以参见方法的实施,重复之处不再敷述。
本公开实施例的终端,通过第二处理模块接收第一终端发送的指示信息; 根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,如此,在终端的状态发生变更时,能够有效处理当前已经建立的SLRB,并及时更新直接通信接口承载配置。
需要说明的是,本公开实施例提供的终端是能够执行上述直接通信接口承载配置变更方法的第二终端,则上述对应第二终端侧的直接通信接口承载配置变更方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
在本公开的一些实施例中,还提供了一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现以下步骤:
接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
该程序被处理器执行时能实现上述应用于如2图所示的终端侧的方法实施例中的所有实现方式,为避免重复,此处不再赘述。
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公开的范围。
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。
在本申请所提供的实施例中,应该理解到,所揭露的装置和方法,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,在本公开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,本公开的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来,该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)执行本公开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、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程,是可以通过计算机程序来控制相关的硬件来完成,所述的程序可存储于计算机可读取存储介质中,该程序在执行时,可包括如上述各方法的实施例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储器(Read-Only Memory,ROM)或随机存取存储器(Random Access Memory,RAM)等。
可以理解的是,本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,模块、单元、子单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processor,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控 制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现,可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
在本公开的各种实施例中,应理解,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本公开实施例的实施过程构成任何限定。
以上所述是本公开的可选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本公开所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本公开的保护范围。

Claims (63)

  1. 一种直接通信接口承载配置变更方法,应用于第一终端,所述第一终端为直接通信接口发送终端,包括:
    在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
    释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  2. 根据权利要求1所述的方法,其中,在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息,包括:
    在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
  3. 根据权利要求1所述的方法,其中,所述在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息,包括:
    若所述第一终端的状态变更为无线资源控制连接RRC_CONNECTED状态,则通过无线资源控制RRC专用信令从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
    若所述第一终端的状态变更为无线资源控制空闲RRC_IDLE状态或者无线资源控制非激活RRC_INACTIVE状态,则通过系统消息块SIB从所述第一终端服务的第一网络侧设备获取所述第一终端状态变更后对应的SLRB配置信息;或者,
    若所述第一终端的状态变更为脱网状态,则通过层间交互从负责所述第一终端SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的 SLRB配置信息。
  4. 根据权利要求1所述的方法,其中,所述第一终端的状态发生变更,包括以下情况中的一种:
    由脱网状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
    由RRC_IDLE状态或者RRC_INACTIVE状态变更为RRC_CONNECTED状态;
    由RRC_CONNECTED状态变更为RRC_IDLE状态或者RRC_INACTIVE状态;
    处于RRC_IDLE状态的所述第一终端由一个小区重选到另一个小区;
    处于RRC_CONNECTED状态的所述第一终端由一个小区切换到另一个小区。
  5. 根据权利要求1所述的方法,其中,所述释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,包括:
    在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  6. 根据权利要求1所述的方法,其中,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息后,所述方法还包括:
    向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
  7. 根据权利要求6所述的方法,其中,所述第一类指示信息包括以下中的一项:
    直接通信接口的RRC信令;
    直接通信接口的媒体接入控制控制单元MAC CE;
    直接通信接口的物理层信令;
    直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
  8. 根据权利要求7所述的方法,其中,所述直接通信接口的RRC信令携带以下信息中的至少一项:
    直接通信接口完全配置full configuration标识;
    第一终端标识;
    第二终端标识;
    所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
    所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
  9. 根据权利要求7所述的方法,其中,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
    第一终端标识;
    第二终端标识;
    所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
  10. 根据权利要求9所述的方法,其中,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
  11. 根据权利要求7所述的方法,其中,所述直接通信接口的物理层信令包括以下信息中的至少一项:
    1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
    第一终端标识;
    第二终端标识;
    所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识 或者逻辑信道标识。
  12. 根据权利要求6所述的方法,其中,所述第二类指示信息包括以下至少一项:
    直接通信接口的RRC信令;
    直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
  13. 根据权利要求12所述的方法,其中,所述直接通信接口的RRC信令的内容包括以下至少一项:
    所述第一终端状态变更前的SLRB配置信息;
    所述第一终端状态变更后的SLRB配置信息。
  14. 根据权利要求6所述的方法,其中,在向第二终端发送指示信息之后,所述方法还包括:
    接收所述第二终端发送的响应消息。
  15. 根据权利要求14所述的方法,其中,所述释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射,包括:
    在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  16. 根据权利要求5或15所述的方法,其中,在释放当前直接通信接口已经建立的SLRB之后,所述方法还包括:
    根据所述SLRB配置信息,建立目标SLRB。
  17. 根据权利要求1所述的方法,其中,所述第一网络侧设备为所述第一终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
    所述负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
  18. 一种直接通信接口承载配置变更方法,应用于第二终端,所述第二终端为直接通信接口接收终端,包括:
    接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信 接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
    在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
  19. 根据权利要求18所述的方法,其中,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;
    根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作,包括:
    根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
    根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
  20. 根据权利要求19所述的方法,其中,所述第一类指示信息包括以下中的一项:
    直接通信接口的RRC信令;
    直接通信接口的媒体接入控制控制单元MAC CE;
    直接通信接口的物理层信令;
    直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
  21. 根据权利要求20所述的方法,其中,所述直接通信接口的RRC信令携带以下信息中的至少一项:
    直接通信接口完全配置full configuration指示;
    第一终端标识;
    第二终端标识;
    所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;
    所述第一终端与所述第二终端之间要建立的SLRB的SLRB配置信息。
  22. 根据权利要求20所述的方法,其中,所述直接通信接口的MAC CE的净荷为空,或者,所述MAC CE的净荷包括以下信息中的至少一项:
    第一终端标识;
    第二终端标识;
    所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识;其中,所述SLRB对应的无线承载标识或者逻辑信道标识为完整标识或者为按照标识编号的升序或者降序顺序使用比特映射指示的标识。
  23. 根据权利要求22所述的方法,其中,所述MAC CE对应的MAC子头中包含逻辑信道标识,所述逻辑信道标识用于标识所述MAC CE是用于SLRB释放的MAC CE。
  24. 根据权利要求20所述的方法,其中,所述直接通信接口的物理层信息包括以下信息中的至少一项:
    1bit指示信息,用于指示要释放当前直接通信接口的所有SLRB;
    第一终端标识;
    第二终端标识;
    所述第一终端与所述第二终端之间要释放的SLRB对应的无线承载标识或者逻辑信道标识。
  25. 根据权利要求19所述的方法,其中,所述第二类指示信息包括以下至少一项:
    直接通信接口的RRC信令;
    直接通信接口的PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第一终端已执行SLRB重映射。
  26. 根据权利要求25所述的方法,其中,所述直接通信接口的RRC信令的内容包括以下至少一项:
    所述第一终端状态变更前的SLRB配置信息;
    所述第一终端状态变更后的SLRB配置信息。
  27. 根据权利要求19所述的方法,其中,所述指示信息为所述第一类指 示信息,所述方法还包括:
    根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;
    在所述第一类指示信息包括建立SLRB的SLRB配置信息时,根据所述SLRB配置信息,建立SLRB。
  28. 根据权利要求19所述的方法,其中,所述执行与所述第一终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
    接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
    接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
  29. 根据权利要求28所述的方法,其中,在释放所述直接通信接口对应的SLRB或者释放所述End Marker Control PDU对应的SLRB之后,所述执行与所述第一终端直接通信接口的SLRB重映射对应的操作还包括以下中的至少一项:
    接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
    接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
  30. 根据权利要求19所述的方法,其中,所述执行与所述第一终端直接通信接口的SLRB重映射对应的操作包括以下中的至少一项:
    根据所述第二类指示信息,执行SLRB重配置;
    根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
  31. 根据权利要求18所述的方法,还包括:
    向所述第一终端发送响应消息。
  32. 根据权利要求18所述的方法,其中,所述第二网络侧设备为所述第二终端的服务基站、服务分布式单元DU或者服务集中式单元CU;
    所述负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层为RRC层或者存储SLRB配置信息的其他协议层。
  33. 一种终端,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序;所述处理器用于读取存储器中的程序,执行下列过程:
    所述处理器用于在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
    释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  34. 根据权利要求33所述的终端,其中,所述处理器还用于:
    在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
  35. 根据权利要求33所述的终端,其中,所述处理器还用于:
    在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  36. 根据权利要求33所述的终端,其中,所述收发机用于:
    向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
  37. 根据权利要求36所述的终端,其中,所述第一类指示信息包括以下中的一项:
    直接通信接口的RRC信令;
    直接通信接口的媒体接入控制控制单元MAC CE;
    直接通信接口的物理层信令;
    直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
  38. 根据权利要求36所述的终端,其中,所述收发机还用于:
    接收所述第二终端发送的响应消息。
  39. 根据权利要求38所述的终端,其中,所述处理器还用于:
    在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  40. 根据权利要求35或39所述的终端,其中,所述处理器还用于:
    根据所述SLRB配置信息,建立目标SLRB。
  41. 一种终端,所述终端为第一终端,所述第一终端为直接通信接口发送终端,包括:
    第一获取模块,用于在第一终端的状态发生变更时,从为所述第一终端服务的第一网络侧设备或者从负责所述第一终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第一终端状态变更后对应的SLRB配置信息;
    第一处理模块,用于释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  42. 根据权利要求41所述的终端,其中,所述第一获取模块包括:
    第一获取单元,用于在所述第一终端状态发生变更时,向为所述第一终端服务的第一网络侧设备或者向负责所述第一终端SLRB配置信息管理的协议层发送请求信息,请求获得所述第一终端状态变更后对应的SLRB配置信息。
  43. 根据权利要求41所述的终端,其中,所述第一处理模块包括:
    第一处理单元,用于在获取到所述第一终端状态变更后对应的SLRB配置信息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  44. 根据权利要求41所述的终端,还包括:
    第一发送模块,用于向第二终端发送指示信息,所述第二终端为与所述第一终端组成直接通信链路的通信对端,所述指示信息包括:用于释放当前 已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息。
  45. 根据权利要求44所述的终端,其中,所述第一类指示信息包括以下中的一项:
    直接通信接口的RRC信令;
    直接通信接口的媒体接入控制控制单元MAC CE;
    直接通信接口的物理层信令;
    直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
  46. 根据权利要求44所述的终端,还包括:
    第二发送模块,用于接收所述第二终端发送的响应消息。
  47. 根据权利要求46所述的终端,其中,所述第一处理模块包括:
    第二处理单元,用于在接收到所述第二终端发送的响应消息后,释放当前直接通信接口已经建立的SLRB,或者,根据所述第一终端状态变更后对应的SLRB配置信息,执行直接通信接口的SLRB重映射。
  48. 根据权利要求43或47所述的终端,还包括:
    第一建立模块,用于根据所述SLRB配置信息,建立目标SLRB。
  49. 一种终端,包括:收发机、存储器、处理器及存储在存储器上并可在处理器上运行的程序,所述处理器用于读取存储器中的程序,执行下列过程:
    所述处理器用于接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
    在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
  50. 根据权利要求49所述的终端,其中,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第 一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;所述处理器还用于:
    根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
    根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
  51. 根据权利要求50所述的终端,其中,所述第一类指示信息包括以下中的一项:
    直接通信接口的RRC信令;
    直接通信接口的媒体接入控制控制单元MAC CE;
    直接通信接口的物理层信令;
    直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
  52. 根据权利要求50所述的终端,其中,所述处理器还用于:
    接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
    接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
  53. 根据权利要求52所述的终端,其中,所述处理器还用于:
    接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
    接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
  54. 根据权利要求50所述的终端,其中,所述处理器还用于:
    根据所述第二类指示信息,执行SLRB重配置;
    根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
  55. 根据权利要求49所述的终端,其中,所述收发机用于:
    向所述第一终端发送响应消息。
  56. 一种终端,所述终端为第二终端,所述第二终端为直接通信接口接收终端,包括:
    第二处理模块,用于接收第一终端发送的指示信息;根据所述指示信息,释放当前直接通信接口已经建立的SLRB,或者,执行与所述第一终端直接通信接口的SLRB重映射对应的操作;或者,
    第二获取模块,用于在第二终端的状态发生变更时,从为所述第二终端服务的第二网络侧设备或者从负责所述第二终端直接通信接口无线承载SLRB配置信息管理的协议层获取所述第二终端状态变更后对应的SLRB配置信息。
  57. 根据权利要求56所述的终端,其中,所述指示信息包括用于释放当前已经建立的SLRB或者释放当前已经建立的SLRB并建立新的SLRB的第一类指示信息或者用于指示直接通信接口的SLRB重映射的第二类指示信息;所述第二处理模块包括:
    第三处理单元,用于根据所述第一类指示信息,释放当前直接通信接口已经建立的SLRB;或者,
    第四处理单元,用于根据所述第二类指示信息,执行与所述第一终端直接通信接口的SLRB重映射对应的操作。
  58. 根据权利要求57所述的终端,其中,所述第一类指示信息包括以下中的一项:
    直接通信接口的RRC信令;
    直接通信接口的媒体接入控制控制单元MAC CE;
    直接通信接口的物理层信令;
    直接通信接口的协议数据单元PDU,所述PDU为数据PDU或者控制PDU,所述PDU用于指示所述第二终端释放当前直接通信接口已经建立的SLRB。
  59. 根据权利要求57所述的终端,其中,所述第二处理模块包括:
    第一释放单元,用于接收到所述第二类指示信息,释放所述直接通信接口对应的SLRB;
    第二释放单元,用于接收到SLRB对应的业务数据适配协议层的结束标识控制协议数据单元End Marker Control PDU时,释放所述End Marker Control PDU对应的SLRB。
  60. 根据权利要求59所述的终端,其中,所述第二处理模块包括:
    第一建立单元,用于接收到源地址、目的地址和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的业务数据适配协议SDAP、分组数据汇聚协议PDCP和无线链路控制RLC实体;
    第二建立单元,用于接收到源地址、目的地址、传输类型和逻辑信道标识组合对应的第一个数据包时,建立对应的SLRB以及对应的SDAP、PDCP和RLC实体。
  61. 根据权利要求57所述的终端,其中,第二处理模块包括:
    第一重配置单元,用于根据所述第二类指示信息,执行SLRB重配置;
    第二重配置单元,用于根据所述第二类指示信息,在接收到SLRB对应的End Marker Control PDU后,执行SLRB重配置。
  62. 根据权利要求56所述的终端,还包括:
    第三发送模块,用于向所述第一终端发送响应消息。
  63. 一种计算机可读存储介质,其上存储有计算机程序,该计算机程序被处理器执行时实现如权利要求1至17中任一项所述的直接通信接口承载配置变更方法,或者,如权利要求18至32中任一项所述的直接通信接口承载配置变更方法。
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