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 PDFInfo
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- 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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- slrb
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/23—Manipulation of direct-mode connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—Control 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces 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
Description
Claims (63)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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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CN112543515B (zh) | 2024-04-26 |
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EP4033853A4 (en) | 2022-11-23 |
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