WO2024011638A1 - 一种路径切换方法、装置、设备及存储介质 - Google Patents

一种路径切换方法、装置、设备及存储介质 Download PDF

Info

Publication number
WO2024011638A1
WO2024011638A1 PCT/CN2022/106122 CN2022106122W WO2024011638A1 WO 2024011638 A1 WO2024011638 A1 WO 2024011638A1 CN 2022106122 W CN2022106122 W CN 2022106122W WO 2024011638 A1 WO2024011638 A1 WO 2024011638A1
Authority
WO
WIPO (PCT)
Prior art keywords
target
node
relay
identity
cell
Prior art date
Application number
PCT/CN2022/106122
Other languages
English (en)
French (fr)
Inventor
熊艺
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/106122 priority Critical patent/WO2024011638A1/zh
Priority to CN202280002576.4A priority patent/CN117716730A/zh
Publication of WO2024011638A1 publication Critical patent/WO2024011638A1/zh

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to path switching methods, devices, equipment and storage media.
  • user equipment In a communication system, user equipment (User Equipment, UE) can be directly connected to the base station, or it can communicate with the base station through the relay of another UE without being directly connected to the base station.
  • UE User Equipment
  • the UE that is not connected to the base station is called a remote UE (remote UE), and the UE that provides the relay function is called a relay UE (relay UE).
  • the remote UE and the relay UE communicate through sidelink (SL).
  • the UE's direct connection with the base station is called a direct link (Direct Link)
  • the UE's connection with the base station through a relay is called an indirect link (Indirect Link).
  • connection path of the UE will be switched.
  • path switching between base stations will be introduced. For example, from the indirect link: remote UE ⁇ ->relay UE A ⁇ ->base station X to the direct link: UE ⁇ ->base station Y; or from the direct link: UE ⁇ ->base station X to Indirect link: remote UE ⁇ ->relay UE A ⁇ ->base station Y; or, switch from indirect link: remote UE ⁇ ->relay UE A ⁇ ->base station X to indirect link: remote UE ⁇ ->relay UE B ⁇ ->base station Y.
  • the existing path switching process in the related art does not involve the change of the base station, so there is no signaling interaction between multiple base stations in the path switching process. Therefore, the path switching method in the related art cannot be suitable for the above-mentioned path switching process involving inter-base station handover (inter-gNB).
  • inter-gNB inter-base station handover
  • the path switching method, device, equipment and storage medium proposed in this disclosure are to provide a path switching method suitable for the path switching process of inter-base station handover (inter-gNB).
  • embodiments of the present disclosure provide a path switching method, which is executed by a target node and includes:
  • a path switching method is provided.
  • the target node will receive a request message sent by the source node, where the request message is used to request the target node to prepare for path switching, and the target node will also send a reply message to the source node.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • embodiments of the present disclosure provide a path switching method, which is executed by a source node and includes:
  • an embodiment of the present disclosure provides a communication device, which is configured in a target node and includes:
  • a transceiver module configured to receive a request message sent by the source node, where the request message is used to request the target node to prepare for path switching;
  • the transceiver module is used to send a reply message to the source node.
  • an embodiment of the present disclosure provides a communication device, which is configured in a source node and includes:
  • a transceiver module configured to send a request message to the target node, where the request message is used to request the target node to prepare for path switching;
  • the transceiver module is used to receive the reply message sent by the target node.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the second aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication system, which includes the communication device described in the third aspect to the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect to The communication device according to the sixth aspect, or the system includes the communication device according to the seventh aspect to the communication device according to the eighth aspect, or the system includes the communication device according to the ninth aspect to the tenth aspect. the above-mentioned communication device.
  • embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the above-mentioned network device and/or the above-mentioned terminal device.
  • the network device is caused to execute the above-mentioned The method described in the first aspect, and/or causing the terminal device to perform the method described in the second aspect.
  • the present disclosure also provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in any one of the above first to second aspects.
  • the present disclosure provides a chip system.
  • the chip system includes at least one processor and an interface, and is used to support a network device to implement the functions involved in the method described in the first aspect, and/or to support a terminal device.
  • Implement the functions involved in the method described in the second aspect for example, determine or process at least one of the data and information involved in the above method.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data of the source secondary node.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present disclosure provides a computer program that, when run on a computer, causes the computer to perform the method described in any one of the above first to second aspects.
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart of a path switching method provided by another embodiment of the present disclosure.
  • Figure 3 is a schematic flowchart of a path switching method provided by yet another embodiment of the present disclosure.
  • Figure 4 is a schematic flowchart of a path switching method provided by yet another embodiment of the present disclosure.
  • Figures 5a-5b are flowcharts of a path switching method provided by another embodiment of the present disclosure.
  • Figure 6 is a schematic flowchart of a path switching method provided by yet another embodiment of the present disclosure.
  • Figure 7 is a schematic flowchart of a path switching method provided by yet another embodiment of the present disclosure.
  • Figure 8 is a schematic flowchart of a path switching method provided by yet another embodiment of the present disclosure.
  • Figure 9 is a schematic flowchart of a path switching method provided by yet another embodiment of the present disclosure.
  • Figure 10 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
  • Figure 11 is a schematic structural diagram of a communication device provided by another embodiment of the present disclosure.
  • Figure 12 is a block diagram of a communication device provided by an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • a link for direct communication between end devices is
  • the UE may switch from the current direct link to the indirect link. That is: although it is currently directly connected to the base station, it can be indirectly connected to the base station through other UEs in the future.
  • a UE used to implement relay communications between other UEs and base stations.
  • FIG. 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
  • the communication system may include but is not limited to a network device, a remote terminal device and a relay terminal device.
  • the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation on the embodiments of the present disclosure. In actual applications, It can include two or more network devices and two or more terminal devices.
  • the communication system shown in Figure 1 includes a network device 11, a network device 12, a relay terminal device 13, and a terminal device to be switched 14 as an example.
  • LTE long term evolution
  • 5th generation fifth generation
  • 5G new radio (NR) system 5th generation new radio
  • the network device 11 and the network device 12 in the embodiment of the present disclosure are entities on the network side that are used to transmit or receive signals.
  • the network device 11 may be an evolved base station (evolved NodeB, eNB), a transmission reception point (TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or other base stations in future mobile communication systems.
  • the embodiments of the present disclosure do not limit the specific technologies and specific equipment forms used by network equipment.
  • the network equipment provided by the embodiments of the present disclosure may be composed of a centralized unit (CU) and a distributed unit (DU).
  • the CU may also be called a control unit (control unit).
  • the structure can separate the protocol layers of network equipment, such as base stations, and place some protocol layer functions under centralized control on the CU. The remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the DU.
  • the relay terminal device 13 and the terminal device 14 to be switched in the embodiment of the present disclosure may be an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
  • the embodiments of the present disclosure do not limit the specific technology and specific equipment form used by the terminal equipment.
  • Figure 2 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a target node. As shown in Figure 2, the path switching method may include the following steps:
  • Step 201 Receive a request message sent by the source node, which is used to request the target node to prepare for path switching; and/or send a reply message to the source node.
  • both the source node and the target node mentioned above may be base stations.
  • the target node receives the request message sent by the source node, so as to subsequently establish a connection with the UE connected to the source node when the UE performs handover. It should be understood that the source node and the UE may be directly connected or indirectly connected through one or more relay UEs.
  • the above-mentioned request message may be, for example, a handover request message (HANDOVER REQUEST).
  • the request message may include one or more of the following:
  • the first indication information is used to indicate the connection mode with the target node requested by the source node for the UE to be switched;
  • the above identification of the target relay UE and the identification of the target cell may be directly recommended by the source node to the target node, or may be recommended by the source node to the target node based on the recommendation of the UE to be switched.
  • the above request message requesting the target node to prepare for path switching can be understood as requesting the target node to allocate resources for path switching to the UE to be switched.
  • connection mode requested by the UE to be switched may be a direct connection and/or an indirect connection.
  • the direct connection means the UE directly connects to the base station;
  • the indirect connection means the UE connects to the base station through a relay UE.
  • the UE to be switched may be a UE directly connected to the source node, or a UE indirectly connected to the source node.
  • the above-mentioned first indication information may instruct the source node to request a direct connection, an indirect connection, or any connection method from the target node.
  • the specific indication method may include any of the following:
  • Type 1 The first indication information takes different values to instruct the source node to request a direct connection, an indirect connection, or any connection method from the target node.
  • the above request message instructs the source node to request any connection method from the target node, which can be understood as: the request message indicates that the source node requests a connection with the target node for the UE to be switched, but does not request information about the UE to be switched and the target node.
  • the specific connection method that is, the specific connection method between the UE to be switched and the target node is not required. If the request message indicates that the source node requests a direct connection and/or an indirect connection from the target node, it means that the request message not only indicates that the source node requests a connection with the target node for the UE to be switched, but also indicates a specific connection method.
  • the first indication information may include an N-bit bit code, where N is a positive integer. Therefore, the first indication information can instruct the source node to request a direct connection, an indirect connection, or any connection method from the target node by taking different values.
  • the first indication information may include one bit.
  • the first indication information is a first value, it indicates that the source node requests a direct connection from the target node.
  • the first indication information is a second value, it indicates The source node requests an indirect connection from the target node
  • the first indication information may include two bits; when the first indication information is a first value, it indicates that the source node requests a direct connection from the target node; when the first indication information is a second value, then The source node is instructed to request an indirect connection from the target node. When the first indication information is the third value, the source node is instructed to request any connection mode from the target node (that is, either a direct connection or an indirect connection).
  • the first indication information may include one bit.
  • the first indication information is a first value, it indicates that the source node requests a direct connection from the target node. Otherwise, it indicates that the source node requests an indirect connection or request from the target node.
  • the first indication information may include a bit.
  • the first indication information is a first value, it indicates that the source node requests an indirect connection from the target node. Otherwise, it indicates that the source node requests a direct connection or request from the target node.
  • the first indication information may include one or more of the following:
  • the first sub-instruction information is used to instruct the source node to request a direct connection from the target node;
  • the second sub-instruction information is used to instruct the source node to request an indirect connection from the target node
  • the third sub-instruction information is used to instruct the source node to request any connection method from the target node (that is, it can be either a direct connection or an indirect connection).
  • the request message when the request message includes the first sub-instruction information, it means that the request message is used to request a direct connection to the target node; when the request message includes the second sub-instruction information, it means that the request message is used to request a direct connection to the target node.
  • the target node requests an indirect connection.
  • the request message includes the third sub-instruction information, it means that the request message is used to request any connection method from the target node.
  • the request message when the request message includes the first sub-instruction information and the second sub-instruction information, it means that the request message is used to request a direct connection or an indirect connection from the target node.
  • the request message includes the first sub-instruction information and the third sub-instruction information, it means that the request message is used to request a direct connection or any connection mode from the target node.
  • the request message includes the second sub-instruction information and the third sub-instruction information, it means that the request message is used to request an indirect connection and any connection method from the target node.
  • the above request message may not include the first indication information.
  • the source node requests the target node for the first specific connection method.
  • the first specific connection method may be pre-agreed, and the first specific connection method may be Includes one or more of the following:
  • the request message when the request message does not include the first indication information, the request message may also be determined based on whether the request message includes the identity of the target relay UE and/or the identity of the target cell.
  • the connection method requested by the request message Specifically, in response to the request message not including the first indication information, if the request message includes the identification of the target relay UE, the source node is implicitly instructed to request an indirect connection or any connection method from the target node. In response to the request message not including the first indication information, if the request message includes the identifier of the target cell but does not include the identifier of the relay UE, the source node is implicitly instructed to request a direct connection or any connection mode from the target node.
  • the above identification of the UE to be switched may include one or more of the following:
  • the corresponding identifier of the UE to be switched on the target node is the corresponding identifier of the UE to be switched on the target node.
  • the above target relay UE may be a U2N relay UE or a U2U relay UE.
  • the above identification of the target relay UE may include one or more of the following:
  • the identity of the UE to be switched and the identity of the target relay UE may be, for example, UE XnAP ID.
  • the target cell may include one or more of the following: kind:
  • the serving cell of the target relay UE (that is, the cell serving the target relay UE in the connected state);
  • the residential cell of the target relay UE (that is, the residential cell of the target relay UE in the non-connected state);
  • Possible serving cells of the target relay UE i.e., possible serving cells of the target relay UE in the connected state
  • Possible cells where the target relay UE may camp ie, the cells where the target relay UE may camp in the non-connected state).
  • the target cell may be one or more of the above cells.
  • the target cell should be the serving cell of the target relay UE or the cell where the target relay UE resides.
  • the target cell can be any one of the cells corresponding to the target node. Or any number of them.
  • the target cell means: the UE to be switched can switch to this target cell to directly connect with the target node. If the request message requests an indirect connection, the target cell means that the UE to be switched can switch to this target cell and indirectly connect to the target node through the relay UE.
  • the above-mentioned identity of the target cell may be one or more of a global identity Global ID, E-UTRA CGI (Cell global ID, global cell identity), and NR CGI.
  • the request message includes both the identity of the target cell and the identity of the target relay UE
  • one target cell can also correspond to one or more target cells.
  • Multiple target relay UEs may be included in the same information element (Information Element, IE).
  • the identity of the target cell and the identity of one or more target relay UEs corresponding to the target cell may be included in the same IE.
  • the target node can determine the target cell and one or more target relay UEs corresponding to the target cell by parsing the same IE, or can determine the target relay UE and one or more target relay UEs corresponding to the target relay UE. target neighborhood.
  • the reply message may include one or more of a confirmation message and a failure message.
  • the confirmation message may be used to indicate that the source node's request is successful (that is, the target node successfully prepared for path switching), and the failure message may be used to indicate that the source node's request failed (that is, the target node did not successfully prepare for path switching).
  • the method of sending a reply message to the source node may include the following steps:
  • Step 1 Configure resources for path switching based on the request message.
  • the target node may first determine the connection mode requested by the source node based on the request message, and determine the connection mode allowed by the target node (i.e., the UE to be switched) from the connection mode requested by the source node. The final way to access this target node).
  • the method of determining the connection mode requested by the source node may include:
  • the connection mode requested by the source node is determined based on the first indication information, that is, one or more connection modes indicated by the first indication information are determined as the connection mode requested by the source node.
  • the method of determining the connection mode requested by the source node may include:
  • the connection mode requested by the source node is determined based on whether the request message includes the identity of the target relay UE and/or the identity of the target cell.
  • the request message includes the identity of the target relay UE, it means that the connection mode requested by the source node is an indirect connection or any connection mode; if the request message includes the identity of the target cell, but does not include the identity of the relay UE. mark, it indicates that the connection mode requested by the source node is direct connection or any connection mode.
  • the request message sent by the source node to the target node may only contain the identity of the target cell, instead of the identity of the target relay UE uniquely corresponding to the target cell, and after the target node receives the request message,
  • the corresponding target relay UE can be uniquely determined based on the target cell included in the request message, and then resources for path switching can be subsequently configured to the target relay UE and/or the target cell.
  • the request message includes the identity of the target cell but does not include the identity of the relay UE, and the target cell corresponds to a target relay UE, it means that the source node requested
  • the connection method is indirect connection or any connection method.
  • the target node determines the connection method requested by the source node, it can select any one of the connection methods requested by the source node as the connection method allowed by the target node based on the implementation, or the target node may not use the source node to connect the connection method requested by the source node.
  • the connection mode requested by the node is used as the connection mode allowed by the target node, and any connection mode different from that requested by the source node is selected as the connection mode allowed by the target node.
  • the connection mode allowed by the target node can be direct connection or indirect connection.
  • the target node in response to the determination that the connection mode allowed by the target node is: indirect connection, performs one or more of the following operations:
  • the target cell with successful resource configuration (for example, determine one or more target cells corresponding to the target relay UE with successful resource configuration as the target cell with successful resource configuration) target community);
  • the target relay UE with successful resource configuration (such as determining one or more target relay UEs corresponding to the target cell with successful resource configuration as resource configuration Successful target relay UE);
  • One or more target cells are independently determined, and resources for path switching are configured for the independently determined target cells.
  • the target node in response to the connection mode allowed by the target node being: direct connection, performs one or more of the following operations:
  • One or more target cells are independently determined, and resources for path switching are configured for the independently determined target cells.
  • Step 2 Send a reply message to the source node based on the resource allocation situation.
  • a failure message in response to a resource allocation failure, is sent to the source node, and in response to a successful resource configuration, a confirmation message is sent to the source node.
  • the confirmation message may be a handover request confirmation (HANDOVER REQUEST ACKNOWLEDGE) message.
  • the confirmation message may include one or more of the following:
  • the second indication information is used to indicate the connection mode allowed by the target node
  • the method for the above-mentioned second indication information to indicate the connection mode allowed by the target node may specifically include any of the following:
  • Method 1 The second indication information takes different values to indicate that the connection mode allowed by the target node is direct connection or indirect connection.
  • the first indication information may be a bit value.
  • the first indication information is the fourth value, it indicates that the connection mode allowed by the target node is direct connection.
  • the first indication information is the fifth value, It indicates that the connection mode allowed by the target node is indirect connection.
  • the second indication information may include any of the following:
  • the fourth sub-instruction information is used to instruct the target node to allow the UE to be switched to be directly connected;
  • the fifth sub-instruction information is used to instruct the target node to allow the UE to be switched to be indirectly connected.
  • the confirmation message when the confirmation message includes the fourth sub-instruction information, it means that the target node allows the UE to be switched to be directly connected; when the confirmation message includes the fifth sub-instruction information, it means that the target node allows the UE to be switched to be indirectly connected.
  • the above-mentioned confirmation message may not include the second indication information.
  • the connection mode allowed by the target node will be defaulted. It is: a second specific connection method; the second specific connection method may be agreed in advance, and the second specific connection method may include direct connection or indirect connection.
  • the target when the request message does not include the first indication information, the target may also be determined based on whether the confirmation message includes the identity of the target relay UE and/or the identity of the target cell.
  • the connection methods allowed by the node Specifically, in response to the confirmation message not including the second indication information, if the confirmation message includes the identification of the target relay UE, it is implicitly indicated that the connection mode allowed by the target node is: indirect connection. In response to the confirmation message not including the second indication information, if the confirmation message includes the identification of the target cell but does not include the identification of the target relay UE, it is implicitly indicated that the connection mode allowed by the target node is: direct connection.
  • the implicit indication is The connection mode allowed by the target node is: indirect connection.
  • the above identification of the UE to be switched may include one or more of the following:
  • the corresponding identifier of the UE to be switched on the target node is the corresponding identifier of the UE to be switched on the target node.
  • the above target relay UE may be a U2N relay UE or a U2U relay UE.
  • the above identification of the target relay UE may include one or more of the following:
  • the identity of the UE to be switched and the identity of the target relay UE may be the UE XnAP ID.
  • the target cell may include one or more of the following: kind:
  • the serving cell of the target relay UE (that is, the cell serving the target relay UE in the connected state);
  • the residential cell of the target relay UE (that is, the residential cell of the target relay UE in the non-connected state);
  • Possible serving cells of the target relay UE i.e., possible serving cells of the target relay UE in the connected state
  • Possible cells where the target relay UE may camp ie, the cells where the target relay UE may camp in the non-connected state).
  • the target cell may be one or more of the above cells.
  • the target cell should be the serving cell of the target relay UE or the camped cell of the target relay UE.
  • the target cell may be one of the cells corresponding to the target node or Multiple.
  • the target cell means: the UE to be switched can switch to this target cell to directly connect with the target node.
  • the confirmation message indicates that the connection mode allowed by the target node is: indirect connection
  • the target cell means that the UE to be switched can be switched to this target cell to indirectly connect to the target node through the relay UE.
  • the above-mentioned identity of the target cell may be one or more of a global identity Global ID, E-UTRA CGI (Cell global ID, global cell identity), and NR CGI.
  • the confirmation message includes both the identity of the target cell and the identity of the target relay UE
  • one target cell can also correspond to one or more target cells.
  • Multiple target relay UEs the identity of the target relay UE and the identity of one or more target cells corresponding to the target relay UE may be included in the same information element (Information Element, IE).
  • the identity of the target cell and the identity of one or more target relay UEs corresponding to the target cell may be included in the same IE.
  • the source node can determine the target cell with successful resource configuration and one or more target relay UEs corresponding to the target cell by parsing the same IE, or can determine the target relay UE with successful resource configuration and the target relay UE.
  • the above-mentioned failure message may be a handover preparation failure (HANDOVER PREPARATION FAILURE) message, where the failure message may include one or more of the following:
  • the third indication information is used to indicate the connection mode in which the target node fails to switch; wherein, the connection mode in which the target node fails to switch can be any one or several connection modes requested by the source node.
  • the method for the target node to send a failure message to the source node can also be: in response to the target node receiving the request message sent by the source node, if the target node directly determines to refuse to prepare for path switching, it can directly send a message to the source node. The node sends the failure message. At this time, the failure message may only include third indication information to instruct the target node to reject the path switch requested by the source node.
  • the target node receives a request message sent by the source node, where the request message is used to request the target node to prepare for path switching, and/or the target node A reply message is also sent to the source node.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • Figure 3 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a target node. As shown in Figure 3, the path switching method may include the following steps:
  • Step 301 Receive a request message sent by the source node.
  • the request message is used to request the target node to prepare for path switching.
  • the target node receives a request message sent by the source node, where the request message is used to request the target node to prepare for path switching.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • Figure 4 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a target node. As shown in Figure 4, the path switching method may include the following steps:
  • Step 401 Send a reply message to the source node.
  • the target node in response to the target node making corresponding preparations or configurations for the switching operation of the UE to be switched, the target node may send a reply message to the source node to inform the source of the result. node.
  • the target node may send a confirmation message to the source node, where the confirmation message indicates that the source node request is successful;
  • the target node may send a failure message to the source node, wherein the failure message indicates that the source node request failed.
  • inter-gNB inter-base station handover
  • Figure 5a is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a target node. As shown in Figure 5a, the path switching method may include the following steps:
  • Step 501a Receive a request message sent by the source node.
  • the request message is used to request the target node to prepare for path switching.
  • Step 502a Send a reply message to the source node.
  • steps 501a-502a please refer to the above embodiment description, and the embodiments of the present disclosure will not be described again here.
  • the target node receives the request message sent by the source node, where the request message is used to request the target node to prepare for path switching, and then sends the request message to the source node.
  • Send reply message It can be seen from this that the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • Figure 5b is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by the target node. As shown in Figure 5b, the path switching method may include the following steps:
  • Step 501b Receive a request message sent by the source node.
  • the request message is used to request the target node to prepare for path switching.
  • Step 502b Configure resources for path switching based on the request message.
  • Step 503b Send a reply message to the source node based on the resource allocation situation.
  • steps 501b-503b please refer to the above embodiment description, and the embodiments of the disclosure will not be described again here.
  • the target node receives the request message sent by the source node, where the request message is used to request the target node to prepare for path switching, and then sends the request message to the source node.
  • Send reply message It can be seen from this that the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • Figure 6 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a source node. As shown in Figure 6, the path switching method may include the following steps:
  • Step 601 Send a request message to the target node, where the request message is used to request the target node to prepare for path switching; and/or receive a reply message sent by the target node.
  • step 601 For a detailed introduction to step 601, reference may be made to the description of the above embodiments, and the embodiments of the present disclosure will not be described in detail here.
  • the source node sends a request message to the target node, where the request message is used to request the target node to prepare for path switching, and/or the source node will also Receive the reply message sent by the target node.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • Figure 7 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a source node. As shown in Figure 7, the path switching method may include the following steps:
  • Step 701 Send a request message to the target node, where the request message is used to request the target node to prepare for path switching.
  • step 701 For a detailed introduction to step 701, please refer to the description of the above embodiments, and the embodiments of the present disclosure will not be described again here.
  • the source node sends a request message to the target node, where the request message is used to request the target node to prepare for path switching.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • Figure 8 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a source node. As shown in Figure 8, the path switching method may include the following steps:
  • Step 801 Receive the reply message sent by the target node.
  • step 801 For a detailed introduction to step 801, reference may be made to the description of the above embodiments, and the embodiments of the present disclosure will not be described in detail here.
  • the source node receives the reply message sent by the target node.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved
  • inter-gNB inter-base station handover
  • Figure 9 is a schematic flowchart of a path switching method provided by an embodiment of the present disclosure. The method is executed by a source node. As shown in Figure 9, the path switching method may include the following steps:
  • Step 901 Send a request message to the target node, where the request message is used to request the target node to prepare for path switching.
  • Step 902 Receive the reply message sent by the target node.
  • steps 901-902 please refer to the description of the above embodiments, and the embodiments of this disclosure will not be described again here.
  • the source node sends a request message to the target node, where the request message is used to request the target node to prepare for path switching. After that, the source node receives the request message from the target node. Reply message sent by the node.
  • inter-gNB inter-base station handover
  • the source node sends a request message to the target node, requesting to prepare resources for path switching.
  • the request message may be a handover request message (HANDOVER REQUEST).
  • the UE identity (2.2/2.3) described in 2 is the UE identity on the source node and/or the target node, such as UE XnAP ID
  • the cell identifier (2.4) mentioned in 2 is Global ID (E-UTRA CGI or NR CGI)
  • the relay UE may be a U2N relay UE or a U2U relay UE.
  • the source node and the target node may be gNB
  • the indication information, used to indicate direct links and/or indirect links may be:
  • the indication information described in 2.1 can be one indication information, and different values can indicate that the requested path switching is to directly connect the target node, to indirectly connect the target node (through a relay connection), or not. Do one or more of the requirements (i.e., can be connected directly or indirectly).
  • the indication information described in 2.1 may be multiple indication information, and different indication information may indicate that the requested path switching is to directly connect the target node or to indirectly connect the target node, without any requirement (i.e., can be directly connected or indirectly connected).
  • the requested path switching is by default directly connected to the target node, or indirectly connected to the target node, or there is no requirement (that is, it can be connected directly or indirectly).
  • the UE identifier may be:
  • the identity of the UE may also be the identity of the remote UE. That is, the network device can be connected through the relay UE.
  • it may contain one or more target relay UE identifiers.
  • 5.1 For example, if one or more target relay UE identifiers are included, it implicitly indicates that the requested path switch is to indirectly connect the target node or does not require it.
  • the target relay UE is a target relay node recommended by the source node for the requested indirect connection.
  • 6.1 For example, if only 2.4 is included and 2.3 is not included, it implicitly indicates that the requested path switch is to directly connect to the target node or does not require it.
  • the target cell is the UE in 2.2 and can be switched to be directly connected to this target cell.
  • the target cell is the UE described in 2.2.
  • the UE may be switched to be indirectly connected to the target cell through a relay UE.
  • the target cell is the serving cell or the cell where the relay UE resides.
  • the target cell in 2.4 is the serving cell of the relay UE (the relay UE is a connected UE) or the cell where the relay UE resides (the relay UE is in a connected state). is an idle or inactive UE), or a possible serving cell of the relay UE (the relay UE is a connected UE) or a possible camped cell (the relay UE is an idle or inactive UE) .
  • a target relay UE may correspond to one or more target cells.
  • a target relay UE and its corresponding one or more target cells may be included in an IE, and this IE indicates the target of path switching.
  • one target cell may also correspond to one or more target relay UEs.
  • a target cell and its corresponding one or more target relay UEs may be included in an IE, and this IE indicates the target of path switching.
  • the corresponding relationship between the target cell and the target relay UE can be indicated through the corresponding relationship IE.
  • one target relay UE may correspond to multiple target cells, and the multiple target cells may be serving (residing) cells and/or potential serving (residing) cells for this relay UE.
  • the potential serving (camping) cell refers to a cell that subsequent relay UEs can access (camp on).
  • a target relay UE may correspond to a target cell, and the target cell is the serving (camping) cell of the relay UE.
  • the target node When the target node receives the request message sent by the source node, it includes one or more of the following steps:
  • the target node prepares path switching according to the request message.
  • the target node preparing path switching according to the request message includes one or more of the following:
  • the type of path switching that can be prepared is determined based on the indication information and/or whether it is included in 2.3 and 2.4. If both are possible, the target node determines the path switching type based on the implementation
  • the target relay UE and/or the target cell need to be determined.
  • the received request message sent by the source node contains one or more target relay UE identifiers, then determine the target relay UE from the one or more target relay UEs included in the request message. . And confirm the target cell according to one or more target cells corresponding to the relay UE in the request message.
  • the target relay UE and the corresponding target cell are determined based on the base station implementation.
  • the target cell In response to the direct link being ready, the target cell needs to be determined.
  • a failure message is sent, otherwise a confirmation message is sent.
  • the target node sends a reply message to the source node, including.
  • the reply message may be a confirmation message (response message) informing the source node of the resources prepared by the target node for path switching or a failure message (rejection message)
  • the response message may be a handover request confirmation (HANDOVER REQUEST ACKNOWLEDGE) message.
  • the reply message may be a failure message (rejection message) informing the source node that the path switching preparation has failed or rejecting the path switching.
  • the failure message may be a handover preparation failure (HANDOVER PREPARATION FAILURE) message.
  • the confirmation message described in 10.1 contains one or more of the following:
  • the UE identity (11.2/11.3) described in 11 is the UE identity on the source node and/or the target node, such as UE XnAP ID
  • the cell identifier (11.4) mentioned in 11 is Global ID (E-UTRA CGI or NR CGI)
  • the relay UE may be a U2N relay UE or a U2U relay UE.
  • the source node and the target node may be gNB
  • the indication information is used to indicate a direct link or an indirect link, and the indication is the way in which the UE finally accesses this node as confirmed by the target node in 9.2:
  • the indication information described in 11.1 may be one indication information, and different values may indicate whether the confirmed path switch is to directly connect to the target node or to indirectly connect to the target node.
  • the indication information described in 11.1 may be multiple indication information, and different indication information may indicate that the confirmed path switching is to directly connect the target node or indirectly connect the target node, wherein the multiple indication information There can only be one.
  • the requested path switching is by default directly connected to the target node, or indirectly connected to the target node.
  • the confirmation message is based on whether the target relay UE identifier is included. If included, it is an indirect connection; otherwise, it is a direct connection.
  • the UE identifier may be:
  • the identity of the UE may also be the identity of the remote UE. That is, the network device can be connected through the relay UE.
  • it may contain one or more target relay UE identifiers, which are the target relay UE selected in 9.
  • the target cell is 11.2.
  • the UE can switch to be directly connected to this target cell.
  • the target cell is the UE in 11.2.
  • the UE can be switched to be indirectly connected to this target cell through a relay UE.
  • the target cell is the serving cell or the cell where the relay UE resides.
  • the target cell in 11.4 is the serving cell of the relay UE (the relay UE is a connected UE) or the cell where it is camped (the relay UE is a connected UE). is an idle or inactive UE), or a possible serving cell of the relay UE (the relay UE is a connected UE) or a possible camped cell (the relay UE is an idle or inactive UE) .
  • a target relay UE may correspond to one or more target cells.
  • a target relay UE and its corresponding one or more target cells may be included in an IE, and this IE indicates the target of path switching.
  • one target cell may also correspond to one or more target relay UEs.
  • a target cell and its corresponding one or more target relay UEs may be included in an IE, and this IE indicates the target of path switching.
  • the corresponding relationship between the target cell and the target relay UE can be indicated through the corresponding relationship IE.
  • one target relay UE may correspond to multiple target cells, and the multiple target cells may be serving (residing) cells and/or potential serving (residing) cells for this relay UE.
  • the potential serving (camping) cell refers to a cell that subsequent relay UEs can access (camp on).
  • a target relay UE may correspond to a target cell, and the target cell is the serving (camping) cell of the relay UE.
  • the failure message described in 10.2 contains one or more of the following information:
  • the indication information indicates that the target node is ready to switch to the direct link and/or the indirect link fails.
  • Figure 10 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure. As shown in Figure 10, the device may include:
  • a transceiver module configured to receive a request message sent by the source node, where the request message is used to request the target node to prepare for path switching;
  • the transceiver module is also used to send a reply message to the source node.
  • the target node will receive the request message sent by the source node, where the request message is used to request the target node to prepare for path switching, and the target node will also send a request message to the source node. Send reply message.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • the reply message includes at least one of the following:
  • confirmation message indicates that the source node request is successful
  • a failure message wherein the failure message indicates that the source node request failed.
  • the request message includes at least one of the following:
  • First indication information used to indicate the connection mode with the target node requested by the source node for the user equipment UE to be switched
  • the device is also used for:
  • the transceiver module is also used to:
  • connection method includes at least one of the following:
  • the first indication information instructs the source node to request a direct connection, an indirect connection, or any connection method from the target node.
  • the device is also used for:
  • the source node In response to the request message not including the first indication information, by default the source node requests the first specific connection mode from the target node;
  • the first specific connection method includes at least one of the following:
  • the target cell in response to the request message including the identity of the target relay UE and the identity of the target cell; the target cell includes at least one of the following:
  • the serving cell of the target relay UE The serving cell of the target relay UE
  • the target relay UE may reside in a cell.
  • the identity of the target relay UE and the identity of one or more target cells corresponding to the target relay UE are included in the same information element IE.
  • the identity of the target cell and the identity of one or more target relay UEs corresponding to the target cell are included in the same IE.
  • the device is also used for at least one of the following:
  • connection mode allowed by the target node includes direct connection or indirect connection
  • connection mode allowed by the target node being: indirect connection
  • connection mode allowed by the target node being: direct connection
  • One or more target cells are independently determined, and resources used for path switching are configured for the independently determined target cells.
  • the device is also used for at least one of the following:
  • the connection mode requested by the source node is determined based on whether the request message includes the identity of the target relay UE and/or the identity of the target cell.
  • the transceiver module is also used for at least one of the following:
  • a confirmation message is sent to the source node.
  • the confirmation message includes at least one of the following:
  • the second indication information is used to indicate the connection mode allowed by the target node
  • the second indication information indicates that the connection mode allowed by the target node is a direct connection or an indirect connection.
  • the device is also used for:
  • the default connection mode allowed by the target node is: the second specific connection mode
  • the second specific connection method includes direct connection or indirect connection.
  • the target cell in response to the confirmation message including the identity of the target relay UE and the identity of the target cell; the target cell includes at least one of the following:
  • the serving cell of the target relay UE The serving cell of the target relay UE
  • the target relay UE may reside in a cell.
  • the identity of the target relay UE and the identity of one or more target cells corresponding to the target relay UE are included in the same IE.
  • the identity of the target cell and the identity of one or more target relay UEs corresponding to the target cell are included in the same IE.
  • the failure message includes at least one of the following:
  • the third indication information is used to indicate the connection mode in which the target node fails to switch
  • Figure 11 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure. As shown in Figure 11, the device may include:
  • a transceiver module configured to send a request message to the target node, where the request message is used to request the target node to prepare for path switching;
  • the transceiver module is also used to receive the reply message sent by the target node.
  • the source node sends a request message to the target node, where the request message is used to request the target node to prepare for path switching, and/or the source node will also receive Reply message sent by the target node.
  • the embodiments of the present disclosure involve interactions between different nodes in the path switching process, so the method of the present disclosure can be applied to the path switching process involving inter-base station handover (inter-gNB), so that the base stations involved The path switching process of inter-gNB can be executed successfully.
  • inter-gNB inter-base station handover
  • the reply message includes at least one of the following:
  • confirmation message indicates that the source node request is successful
  • a failure message wherein the failure message indicates that the source node request failed.
  • the request message includes at least one of the following:
  • First indication information used to indicate the connection mode with the target node requested by the source node for the UE to be switched
  • connection method includes at least one of the following:
  • the first indication information instructs the source node to request a direct connection, an indirect connection, or any connection method from the target node.
  • the device is also used for:
  • the source node In response to the request message not including the first indication information, by default the source node requests the first specific connection mode from the target node;
  • the first specific connection method includes at least one of the following:
  • the target cell in response to the request message including the identity of the target relay UE and the identity of the target cell; the target cell includes at least one of the following:
  • the serving cell of the target relay UE The serving cell of the target relay UE
  • the target relay UE may reside in a cell.
  • the identity of the target relay UE and the identity of one or more target cells corresponding to the target relay UE are included in the same IE.
  • the identity of the target cell and the identity of one or more target relay UEs corresponding to the target cell are included in the same IE.
  • the confirmation message includes at least one of the following:
  • the second indication information is used to indicate the connection mode allowed by the target node
  • the second indication information indicates that the connection mode allowed by the target node is a direct connection or an indirect connection.
  • the device is also used for:
  • the default connection mode allowed by the target node is: the second specific connection mode
  • the second specific connection method includes direct connection or indirect connection.
  • the target cell in response to the confirmation message including the identity of the target relay UE and the identity of the target cell; the target cell includes at least one of the following:
  • the serving cell of the target relay UE The serving cell of the target relay UE
  • the target relay UE may reside in a cell.
  • the identity of the target relay UE and the identity of one or more target cells corresponding to the target relay UE are included in the same IE.
  • the identity of the target cell and the identity of one or more target relay UEs corresponding to the target cell are included in the same IE.
  • the failure message includes at least one of the following:
  • the third indication information is used to indicate the connection mode in which the target node fails to switch
  • FIG 12 is a schematic structural diagram of a communication device 1200 provided by an embodiment of the present application.
  • the communication device 1200 may be a network device, a terminal device, a chip, a chip system, or a processor that supports a network device to implement the above method, or a chip, a chip system, or a processor that supports a terminal device to implement the above method. Processor etc.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • Communication device 1200 may include one or more processors 1201.
  • the processor 1201 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
  • the communication device 1200 may also include one or more memories 1202, on which a computer program 1204 may be stored.
  • the processor 1201 executes the computer program 1204, so that the communication device 1200 performs the steps described in the above method embodiments. method.
  • the memory 1202 may also store data.
  • the communication device 1200 and the memory 1202 can be provided separately or integrated together.
  • the communication device 1200 may also include a transceiver 1205 and an antenna 1206.
  • the transceiver 1205 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 1205 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the communication device 1200 may also include one or more interface circuits 1207.
  • the interface circuit 1207 is used to receive code instructions and transmit them to the processor 1201 .
  • the processor 1201 executes the code instructions to cause the communication device 1200 to perform the method described in the above method embodiment.
  • the processor 1201 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor 1201 may store a computer program 1203, and the computer program 1203 runs on the processor 1201, causing the communication device 1200 to perform the method described in the above method embodiment.
  • the computer program 1203 may be solidified in the processor 1201, in which case the processor 1201 may be implemented by hardware.
  • the communication device 1200 may include a circuit, which may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited by FIG. 12 .
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 13 refer to the schematic structural diagram of the chip shown in FIG. 13 .
  • the chip shown in Figure 13 includes a processor 1301 and an interface 1302.
  • the number of processors 1301 may be one or more, and the number of interfaces 1302 may be multiple.
  • the chip also includes a memory 1303, which is used to store necessary computer programs and data.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
  • the corresponding relationships shown in each table in this application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
  • Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本公开提出一种路径切换方法、装置、设备及存储介质,所述方法包括:接收源节点发送的请求消息,所述请求消息用于请求目标节点进行路径切换准备;向所述源节点发送回复消息。本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。

Description

一种路径切换方法、装置、设备及存储介质 技术领域
本公开涉及通信技术领域,尤其涉及路径切换方法、装置、设备及存储介质。
背景技术
在通信系统中,用户设备(User Equipment,UE)可以直接连接至基站,也可以不直接与基站连接而通过另外一个UE的中继实现与基站的通信。其中,与基站没有连接的UE称为远端UE(remote UE),提供中继功能的UE称为中继UE(relay UE),远端UE与中继UE之间通过sidelink(SL)通信。以及,UE直接与基站连接称为直接链路(Direct Link),UE通过中继UE与基站连接称为间接链路(Indirect Link)。
相关技术中,会对UE的连接路径进行切换,其中,在R18版本中,会引入基站间的路径切换。如,由间接链路:远端UE<->中继UE A<->基站X切换至直接链路:UE<->基站Y;或者,由直接链路:UE<->基站X切换至间接链路:远端UE<->中继UE A<->基站Y;或者,由间接链路:远端UE<->中继UE A<->基站X切换至间接链路:远端UE<->中继UE B<->基站Y。
但是,相关技术现存的路径切换流程不涉及到基站的改变,因此在路径切换流程中不存在多个基站间的信令交互。从而相关技术的路径切换方法无法适于上述的涉及到基站间切换(inter-gNB)的路径切换流程。
发明内容
本公开提出的路径切换方法、装置、设备及存储介质,以提供一种适用于基站间切换(inter-gNB)的路径切换流程的路径切换方法。
第一方面,本公开实施例提供一种路径切换方法,该方法被目标节点执行,包括:
接收源节点发送的请求消息,所述请求消息用于请求目标节点进行路径切换准备;
向所述源节点发送回复消息。
本公开中,提供了一种路径切换方法,目标节点会接收源节点发送的请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,目标节点也会向源节点发送回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
第二方面,本公开实施例提供一种路径切换方法,该方法被源节点执行,包括:
向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备;
接收所述目标节点发送的回复消息。
第三方面,本公开实施例提供一种通信装置,该装置被配置在目标节点中,包括:
收发模块,用于接收源节点发送的请求消息,所述请求消息用于请求目标节点进行路径切换准备;
所述收发模块,用于向所述源节点发送回复消息。
第四方面,本公开实施例提供一种通信装置,该装置被配置在源节点中,包括:
收发模块,用于向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备;
所述收发模块,用于接收所述目标节点发送的回复消息。
第五方面,本公开实施例提供一种通信装置,该通信装置包括处理器,当该处理器调用存储器中的计算机程序时,执行上述第一方面所述的方法。
第六方面,本公开实施例提供一种通信装置,该通信装置包括处理器,当该处理器调用存储器中的计算机程序时,执行上述第二方面所述的方法。
第七方面,本公开实施例提供一种通信装置,该通信装置包括处理器和存储器,该存储器中存储有计算机程序;所述处理器执行该存储器所存储的计算机程序,以使该通信装置执行上述第一方面所述的 方法。
第八方面,本公开实施例提供一种通信装置,该通信装置包括处理器和存储器,该存储器中存储有计算机程序;所述处理器执行该存储器所存储的计算机程序,以使该通信装置执行上述第二方面所述的方法。
第九方面,本公开实施例提供一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第一方面所述的方法。
第十方面,本公开实施例提供一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第二方面所述的方法。
第十一方面,本公开实施例提供一种通信系统,该系统包括第三方面所述的通信装置至第四方面所述的通信装置,或者,该系统包括第五方面所述的通信装置至第六方面所述的通信装置,或者,该系统包括第七方面所述的通信装置至第八方面所述的通信装置,或者,该系统包括第九方面所述的通信装置至第十方面所述的通信装置。
第十二方面,本发明实施例提供一种计算机可读存储介质,用于储存为上述网络设备和/或上述终端设备所用的指令,当所述指令被执行时,使所述网络设备执行上述第一方面所述的方法,和/或,使所述终端设备执行上述第二方面所述的方法。
第十三方面,本公开还提供一种包括计算机程序的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面至第二方面的任一方面所述的方法。
第十四方面,本公开提供一种芯片系统,该芯片系统包括至少一个处理器和接口,用于支持网络设备实现第一方面至所述的方法所涉及的功能,和/或,支持终端设备实现第二方面所述的方法所涉及的功能,例如,确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中,所述芯片系统还包括存储器,所述存储器,用于保存源辅节点必要的计算机程序和数据。该芯片系统,可以由芯片构成,也可以包括芯片和其他分立器件。
第十五方面,本公开提供一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面至第二方面的任一方面所述的方法。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解,其中:
图1为本公开实施例提供的一种通信系统的架构示意图;
图2为本公开另一个实施例所提供的路径切换方法的流程示意图;
图3为本公开再一个实施例所提供的路径切换方法的流程示意图;
图4为本公开又一个实施例所提供的路径切换方法的流程示意图;
图5a-5b为本公开另一个实施例所提供的路径切换方法的流程示意图;
图6为本公开再一个实施例所提供的路径切换方法的流程示意图;
图7为本公开又一个实施例所提供的路径切换方法的流程示意图;
图8为本公开又一个实施例所提供的路径切换方法的流程示意图;
图9为本公开又一个实施例所提供的路径切换方法的流程示意图;
图10为本公开一个实施例所提供的通信装置的结构示意图;
图11为本公开另一个实施例所提供的通信装置的结构示意图;
图12是本公开一个实施例所提供的一种通信装置的框图;
图13为本公开一个实施例所提供的一种芯片的结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表 与本公开实施例相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开实施例范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本公开的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。
为了便于理解,首先介绍本申请涉及的术语。
1、侧行链路(Sidelink,SL)
终端设备之间直接通信的链路。
2、远端UE
未与基站直接通信而通过其他UE与基站通信的UE。
3、潜在的远端UE
可能会从当前的直接链路切换至间接链路的UE。即:虽然当前是与基站直接连接的,但是后续可以通过其他UE与基站间接连接。
4、中继UE
用于实现其他UE与基站之间的中继通信的UE。
需要说明的是,本申请中,任一个实施例提供的方法可以单独执行,实施例中任一实现方式也可以单独执行,或是结合其他实施例,或其他实施例中的可能的实现方法一起被执行,还可以结合相关技术中的任一种技术方案一起被执行
为了更好的理解本申请实施例公开的一种路径切换方法,下面首先对本申请实施例适用的通信系统进行描述。
请参见图1,图1为本公开实施例提供的一种通信系统的架构示意图。该通信系统可包括但不限于一个网络设备、一个远端终端设备和一个中继终端设备,图1所示的设备数量和形态仅用于举例并不构成对本公开实施例的限定,实际应用中可以包括两个或两个以上的网络设备,两个或两个以上的终端设备。图1所示的通信系统以包括一个网络设备11、一个网路设备12、一个中继终端设备13、一个待切换终端设备14为例。
需要说明的是,本公开实施例的技术方案可以应用于各种通信系统。例如:长期演进(long term evolution,LTE)系统、第五代(5th generation,5G)移动通信系统、5G新空口(new radio,NR)系统,或者其他未来的新型移动通信系统等。
本公开实施例中的网络设备11和网络设备12是网络侧的一种用于发射或接收信号的实体。例如,网络设备11可以为演进型基站(evolved NodeB,eNB)、发送接收点(transmission reception point,TRP)、NR系统中的下一代基站(next generation NodeB,gNB)、其他未来移动通信系统中的基站或无线保真(wireless fidelity,WiFi)系统中的接入节点等。本公开的实施例对网络设备所采用的具体技术和具体设备形态不做限定。本公开实施例提供的网络设备可以是由集中单元(central unit,CU)与分布式单元(distributed unit,DU)组成的,其中,CU也可以称为控制单元(control unit),采用CU-DU的结构可以将网络设备,例如基站的协议层拆分开,部分协议层的功能放在CU集中控制,剩下部分或全部协议层的功能分布在DU中,由CU集中控制DU。
本公开实施例中的中继终端设备13和待切换终端设备14可以是用户侧的一种用于接收或发射信号的实体,如手机。终端设备也可以称为终端设备(terminal)、用户设备(user equipment,UE)、移动 台(mobile station,MS)、移动终端设备(mobile terminal,MT)等。终端设备可以是具备通信功能的汽车、智能汽车、手机(mobile phone)、穿戴式设备、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality,VR)终端设备、增强现实(augmented reality,AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self-driving)中的无线终端设备、远程手术(remote medical surgery)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备等等。本公开的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
可以理解的是,本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案,并不构成对于本公开实施例提供的技术方案的限定,本领域普通技术人员可知,随着系统架构的演变和新业务场景的出现,本公开实施例提供的技术方案对于类似的技术问题,同样适用。
下面参考附图对本公开实施例所提供的路径切换方法、装置、设备及存储介质进行详细描述。
图2为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由目标节点执行,如图2所示,该路径切换方法可以包括以下步骤:
步骤201、接收源节点发送的请求消息,该请求消息用于请求目标节点进行路径切换准备;和/或,向源节点发送回复消息。
在本公开的一个实施例之中,上述的源节点和目标节点均可以为基站。在一些可能的实施方式中,目标节点接收源节点发送的请求消息,以便后续在与源节点连接的UE进行切换时与该UE建立连接。应理解,源节点与UE可以直接连接,也可以通过一个或多个中继UE间接连接。
以及,在本公开的一个实施例之中,上述的请求消息例如可以为切换请求消息(HANDOVER REQUEST)。该请求消息可以包括以下一种或多种:
第一指示信息,用于指示源节点为待切换UE请求的与目标节点的连接方式;
待切换UE的标识;
一个或多个目标中继UE的标识;
一个或多个目标小区的标识。
其中,上述的目标中继UE的标识以及目标小区的标识可以是源节点直接推荐至目标节点的,也可以是源节点基于待切换UE的推荐向目标节点推荐的。
其中,上述的请求消息请求目标节点进行路径切换准备可以理解为:请求目标节点为待切换UE分配用于路径切换的资源。
以及,上述的待切换UE请求的连接方式可以为直接连接,和/或,间接连接。其中,直接连接为:UE直接与基站进行连接;间接连接为:UE通过中继UE与基站实现连接。该待切换UE可以与该源节点直接连接的UE,或,与该源节点间接连接的UE。
以及,在本公开的一个实施例之中,上述的第一指示信息可以指示源节点向目标节点请求直接连接或间接连接或任一种连接方式,具体指示方法可以包括以下任一种:
第一种:第一指示信息通过取不同的值来指示该源节点向目标节点请求直接连接或间接连接或任一种连接方式。
其中,上述的请求消息指示源节点向目标节点请求任一种连接方式可以理解为:请求消息指示了源节点要为待切换UE请求与目标节点连接,但是并没请求关于待切换UE和目标节点的具体连接方式,也即是,对待切换UE和目标节点的具体连接方式不做要求。而若请求消息指示源节点向目标节点请求直接连接和/或间接连接,则说明请求消息不但指示了源节点要为待切换UE请求与目标节点连接,同时还指示了具体的连接方式。
进一步地,该第一指示信息可以包括了N比特的比特码,其中,N为正整数。由此,第一指示信息通过取不同的值即可指示该源节点向目标节点请求直接连接或间接连接或任一种连接方式。
示例的,该第一指示信息可以包括一比特,当该第一指示信息为第一值时,则指示源节点向目标节点请求直接连接,当该第一指示信息为第二值时,则指示源节点向目标节点请求间接连接,
示例性的,该第一指示信息可以包含二比特;当该第一指示信息为第一值时,则指示源节点向目标 节点请求直接连接,当该第一指示信息为第二值时,则指示源节点向目标节点请求间接连接,当该第一指示信息为第三值时,则指示源节点向目标节点请求任一种连接方式(即,既可以直接连接又可以间接连接)。
示例性的,该第一指示信息可以包含一比特,当该第一指示信息为第一值时,则指示源节点向目标节点请求直接连接,否则,指示源节点向目标节点请求间接连接或者请求任一种连接方式
示例性的,该第一指示信息可以包含一比特,当该第一指示信息为第一值时,则指示源节点向目标节点请求间接连接,否则,指示源节点向目标节点请求直接连接或者请求任一种连接方式
第二种:该第一指示信息可以包括以下一种或多种:
第一子指示信息,用于指示源节点向目标节点请求直接连接;
第二子指示信息,用于指示源节点向目标节点请求间接连接;
第三子指示信息,用于指示源节点向目标节点请求任一种连接方式(即,既可以直接连接又可以间接连接)。
其中,当请求消息中包括有第一子指示信息时,则说明该请求消息用于向目标节点请求直接连接,当请求消息中包括有第二子指示信息时,则说明该请求消息用于向目标节点请求间接连接,当请求消息中包括有第三子指示信息时,则说明该请求消息用于向目标节点请求任一种连接方式。以及,当请求消息中包括第一子指示信息和第二子指示信息时,则说明该请求消息用于向目标节点请求直接连接和间接连接。当请求消息中包括第一子指示信息和第三子指示信息时,则说明该请求消息用于向目标节点请求直接连接和任一种连接方式。当请求消息中包括第二子指示信息和第三子指示信息时,则说明该请求消息用于向目标节点请求间接连接和任一种连接方式。
进一步地,在本公开的一个实施例之中,上述请求消息也可以不包括第一指示信息。其中,当请求消息中未包括第一指示信息时,则默认该源节点向目标节点请求第一特定连接方式,该第一特定连接方式可以是预先约定好的,以及该第一特定连接方式可以包括以下一种或多种:
直接连接;
间接连接;
任一种连接方式。
以及,在本公开的另一个实施例之中,当请求消息中不包括第一指示信息时,也可以基于该请求消息中是否包括目标中继UE的标识和/或目标小区的标识来确定该请求消息所请求的连接方式。具体的,响应于请求消息中未包括第一指示信息,若该请求消息中包括有目标中继UE的标识,则隐式指示源节点向目标节点请求间接连接或者任一连接方式。响应于请求消息中未包括第一指示信息,若请求消息中包括有目标小区的标识,但未包括中继UE的标识,则隐式指示源节点向目标节点请求直接连接或者任一连接方式。
再进一步地,上述的待切换UE的标识可以包括以下一种或多种:
待切换UE在源节点上对应的标识;
待切换UE在目标节点上对应的标识。
以及,上述的目标中继UE可以为U2N中继UE或者U2U中继UE。上述的目标中继UE的标识可以包括以下一种或多种:
目标中继UE在源节点上对应的标识;
目标中继UE在目标节点上对应的标识。
其中,该待切换UE的标识和目标中继UE的标识例如可以为UE XnAP ID。
以及,在本公开的一个实施例之中,针对于上述的目标小区而言,若请求消息中包括有目标中继UE的标识和目标小区的标识,则该目标小区可以包括以下一种或多种:
目标中继UE的服务小区(即服务于连接态下的目标中继UE的小区);
目标中继UE的驻留小区(即非连接态下的目标中继UE的驻留小区);
目标中继UE的可能服务小区(即连接态下的目标中继UE的可能服务小区);
目标中继UE的可能驻留小区(即非连接态下的目标中继UE的可能驻留小区)。
需要说明的是,当目标中继UE对应有一个或多个目标小区时,则该目标小区可以为上述小区中的一种或多种。当目标中继UE对应一个目标小区时,则该目标小区应当为目标中继UE的服务小区或目标中继UE的驻留小区。
在本公开的另一个实施例之中,若请求消息中未包括有目标中继UE的标识,而仅包括有目标小区的标识,则该目标小区可以为该目标节点对应的小区中的任一个或任多个。
以及,在本公开的一个实施例之中,若请求消息请求直接连接,则该目标小区意为:待切换UE可以切换到此目标小区来与目标节点直接连接。若请求消息请求间接连接,则该目标小区意为:待切换UE可以切换到此目标小区并通过中继UE来与目标节点间接连接。
此外,在本公开的一个实施例之中,上述的目标小区的标识可以为全局标识Global ID、E-UTRA CGI(Cell global ID,全球小区标识)、NR CGI中的一种或多种。
需要说明的是,当请求消息中同时包括有目标小区的标识和目标中继UE的标识时,由于一个目标中继UE可以对应一个或多个目标小区,同时,一个目标小区也可以对应一个或多个目标中继UE。基于此,在本公开的一个实施例之中,可以将目标中继UE的标识与该目标中继UE对应的一个或多个目标小区的标识包含于同一信息元素(Information Element,IE)中。或者,可以将目标小区的标识与目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。由此,目标节点通过解析同一IE即可确定出目标小区和该目标小区对应的一个或多个目标中继UE,或者,可以确定出目标中继UE和该目标中继UE对应的一个或多个目标小区。
上述内容为对步骤202中的“接收源节点发送的请求消息”的相关介绍内容。以及,以下对步骤202中的“向源节点发送回复消息”进行详细介绍。
其中,在本公开的一个实施例之中,该回复消息可以包括确认消息、失败消息中的一个或多个。该确认消息可以用于指示源节点请求成功(即目标节点成功进行了路径切换准备),该失败消息可以用于指示源节点请求失败(即目标节点未成功进行路径切换准备)。
以及,在本公开的一个实施例之中,向源节点发送回复消息的方法可以包括以下步骤:
步骤一:基于请求消息配置用于路径切换的资源。
具体的,在本公开的一个实施例之中,目标节点可以先基于请求消息确定源节点请求的连接方式,并从源节点请求的连接方式中确定出目标节点允许的连接方式(即待切换UE最终接入此目标节点的方式)。
具体的,在本公开的一个实施例之中,确定源节点请求的连接方式的方法可以包括:
响应于该请求消息中包括第一指示信息,则基于第一指示信息确定源节点请求的连接方式,即将第一指示信息指示的一种或多种连接方式确定为源节点请求的连接方式。
在本公开的一个实施例之中,确定源节点请求的连接方式的方法可以包括:
响应于该请求消息中未包括第一指示信息,基于请求消息是否包括目标中继UE的标识和/或目标小区的标识,确定源节点请求的连接方式。
其中,若请求消息中包括有目标中继UE的标识,则说明源节点请求的连接方式为间接连接或者任一连接方式;若请求消息中包括有目标小区的标识,但未包括中继UE的标识,则说明源节点请求的连接方式为直接连接或者任一连接方式。此外,需要说明的是,在本公开的一个实施例之中,存在一特殊情况:若某一目标小区仅对应一个目标中继UE,则当源节点要请求的连接方式为间接连接或者任一连接方式时,源节点发送至目标节点的请求消息中可以仅包含目标小区的标识,而不用再包含该目标小区唯一对应的目标中继UE的标识,以及,目标节点接收到该请求消息之后,基于该请求消息中包括的目标小区即可唯一确定出对应的目标中继UE,则后续可以向该目标中继UE和/或目标小区配置用于路径切换的资源。基于此,在本公开的一个实施例之中,若请求消息中包括有目标小区的标识,但未包括中继UE的标识,且该目标小区对应一个目标中继UE,则说明源节点请求的连接方式为间接连接或者任一连接方式。
以及,当目标节点确定出源节点请求的连接方式之后,可以基于实现从该源节点请求的连接方式中任选一种连接方式作为目标节点允许的连接方式,或者,目标节点也可以不将源节点请求的连接方式作 为目标节点允许的连接方式,而选择任一不同于源节点请求的连接方式作为目标节点允许的连接方式。其中,该目标节点允许的连接方式可以直接连接或间接连接。
进一步地,在本公开的一个实施例之中,响应于确定的目标节点允许的连接方式为:间接连接,则目标节点执行以下一种或多种操作:
为请求消息中包括的一个或多个目标中继UE配置用于路径切换的资源;
基于资源配置成功的目标中继UE对应的一个或多个目标小区,确定资源配置成功的目标小区(如将资源配置成功的目标中继UE对应的一个或多个目标小区确定为资源配置成功的目标小区);
为请求消息中包括的一个或多个目标小区配置用于路径切换的资源;
基于资源配置成功的目标小区对应的一个或多个目标中继UE,确定资源配置成功的目标中继UE(如将资源配置成功的目标小区对应的一个或多个目标中继UE确定为资源配置成功的目标中继UE);
自主确定一个或多个目标中继UE,并为该自主确定的目标中继UE配置用于路径切换的资源;
自主确定一个或多个目标小区,并为该自主确定的目标小区配置用于路径切换的资源。
在本公开的另一个实施例之中,响应于目标节点允许的连接方式为:直接连接,目标节点执行以下一种或多种操作:
为请求消息中包括的一个或多个目标小区配置用于路径切换的资源;
自主确定一个或多个目标小区,并为该自主确定的目标小区配置用于路径切换的资源。
步骤二:基于资源分配情况向源节点发送回复消息。
其中,在本公开的一个实施例之中,响应于资源分配失败,向源节点发送失败消息,响应于资源配置成功,向源节点发送确认消息。
在本公开的一个实施例之中,该确认消息可以为切换请求确认(HANDOVER REQUEST ACKNOWLEDGE)消息。以及,该确认消息可以包括以下一种或多种:
第二指示信息,用于指示目标节点允许的连接方式;
待切换UE的标识;
资源配置成功的目标中继UE的标识;
资源配置成功的目标小区的标识。
以及,在本公开的一个实施例之中,上述的第二指示信息指示目标节点允许的连接方式的方法具体可以包括以下任一种:
方法一:第二指示信息通过取不同的值来指示目标节点允许的连接方式为直接连接或间接连接。
示例的,该第一指示信息可以为一比特值,当该第一指示信息为第四值时,则指示目标节点允许的连接方式为直接连接,当该第一指示信息为第五值时,则指示目标节点允许的连接方式为间接连接。
方法二:该第二指示信息可以包括以下任一种:
第四子指示信息,用于指示目标节点允许待切换UE直接连接;
第五子指示信息,用于指示目标节点允许待切换UE间接连接。
其中,当确认消息中包括有第四子指示信息时,则说明目标节点允许待切换UE直接连接,当确认消息中包括有第五子指示信息时,则说明目标节点允许待切换UE间接连接。
进一步地,在本公开的一个实施例之中,上述的确认消息中也可以不包括第二指示信息,其中,当请求消息中未包括第二指示信息时,则默认该目标节点允许的连接方式为:第二特定连接方式;该第二特定连接方式可以是预先约定好的,该第二特定连接方式可以包括直接连接或间接连接。
以及,在本公开的另一个实施例之中,当请求消息中不包括第一指示信息时,也可以基于该确认消息中是否包括目标中继UE的标识和/或目标小区的标识来确定目标节点允许的连接方式。具体的,响应于确认消息中未包括第二指示信息,若确认消息中包括有目标中继UE的标识,则隐式指示目标节点允许的连接方式为:间接连接。响应于确认消息中未包括第二指示信息,若确认消息中包括有目标小区的标识,但未包括目标中继UE的标识,则隐式指示所述目标节点允许的连接方式为:直接连接。响应于确认消息中未包括第二指示信息,若确认消息中包括有目标小区的标识,但未包括目标中继UE的标识,且该目标小区对应一个目标中继UE,则隐式指示所述目标节点允许的连接方式为:间接连接。
再进一步地,上述的待切换UE的标识可以包括以下一种或多种:
待切换UE在源节点上对应的标识;
待切换UE在目标节点上对应的标识。
以及,上述的目标中继UE可以为U2N中继UE或者U2U中继UE。上述的目标中继UE的标识可以包括以下一种或多种:
目标中继UE在源节点上对应的标识;
目标中继UE在目标节点上对应的标识。
其中,该待切换UE的标识和目标中继UE的标识可以为UE XnAP ID。
以及,在本公开的一个实施例之中,针对于上述的目标小区而言,若确认消息中包括有目标中继UE的标识和目标小区的标识,则该目标小区可以包括以下一种或多种:
目标中继UE的服务小区(即服务于连接态下的目标中继UE的小区);
目标中继UE的驻留小区(即非连接态下的目标中继UE的驻留小区);
目标中继UE的可能服务小区(即连接态下的目标中继UE的可能服务小区);
目标中继UE的可能驻留小区(即非连接态下的目标中继UE的可能驻留小区)。
需要说明的是,当一目标中继UE对应有一个或多个目标小区时,则该目标小区可以为上述小区中的一种或多种。当一目标中继UE对应一个目标小区时,则该目标小区应当为目标中继UE的服务小区或目标中继UE的驻留小区。
在本公开的另一个实施例之中,若确认消息中未包括有目标中继UE的标识,而仅包括有目标小区的标识,则该目标小区可以为该目标节点对应的小区中的一个或多个。
以及,在本公开的一个实施例之中,若确认消息指示目标节点允许的连接方式为:直接连接,则该目标小区意为:待切换UE可以切换到与此目标小区来与目标节点直接连接。若确认消息指示目标节点允许的连接方式为:间接连接,则该目标小区意为:待切换UE可以切换到与此目标小区通过中继UE来与目标节点间接连接。
此外,在本公开的一个实施例之中,上述的目标小区的标识可以为全局标识Global ID、E-UTRA CGI(Cell global ID,全球小区标识)、NR CGI中的一种或多种。
需要说明的是,当确认消息中同时包括有目标小区的标识和目标中继UE的标识时,由于一个目标中继UE可以对应一个或多个目标小区,同时,一个目标小区也可以对应一个或多个目标中继UE。基于此,在本公开的一个实施例之中,可以将目标中继UE的标识与该目标中继UE对应的一个或多个目标小区的标识包含于同一信息元素(Information Element,IE)中。或者,可以将目标小区的标识与目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。由此,源节点通过解析同一IE即可确定出资源配置成功的目标小区和该目标小区对应的一个或多个目标中继UE,或者,可以确定出资源配置成功的目标中继UE和该目标中继UE对应的一个或多个目标小区。
进一步地,在本公开的一个实施例之中,上述的失败消息可以为切换准备失败(HANDOVER PREPARATION FAILURE)消息,其中,该失败消息可以包括以下一种或多种:
第三指示信息,用于指示目标节点切换失败的连接方式;其中,该目标节点切换失败的连接方式可以为源节点请求的连接方式中的任一种或任几种。
待切换UE的标识;
资源配置失败的目标中继UE的标识;
资源配置失败的目标小区的标识。
以及,需要说明的是,目标节点向源节点发送失败消息的方法还可以为:响应于目标节点接收到源节点发送的请求消息,若目标节点直接确定拒绝进行路径切换准备,则可以直接向源节点发送该失败消息,此时,该失败消息可以仅包括第三指示信息,以指示目标节点拒绝源节点请求的路径切换。
综上所述,在本公开实施例提供的路径切换方法之中,目标节点会接收源节点发送的请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,和/或,目标节点也会向源节点发送回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用 到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图3为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由目标节点执行,如图3所示,该路径切换方法可以包括以下步骤:
步骤301、接收源节点发送的请求消息,请求消息用于请求目标节点进行路径切换准备。
其中,关于本步骤的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,目标节点会接收源节点发送的请求消息,其中,该请求消息用于请求目标节点进行路径切换准备。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图4为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由目标节点执行,如图4所示,该路径切换方法可以包括以下步骤:
步骤401、向源节点发送回复消息。
具体地,在本公开实施例提供的路径切换方法之中,响应于目标节点为待切换的UE的切换操作进行相应的准备或配置,目标节点可以向源节点发送回复消息,以将结果告知源节点。
例如,目标节点可以向源节点发送,确认消息,其中,所述确认消息指示所述源节点请求成功;
或者,目标节点可以向源节点发送失败消息,其中,所述失败消息指示所述源节点请求失败。
其中,关于本步骤的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图5a为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由目标节点执行,如图5a所示,该路径切换方法可以包括以下步骤:
步骤501a、接收源节点发送的请求消息,请求消息用于请求目标节点进行路径切换准备。
步骤502a、向源节点发送回复消息。
其中,关于步骤501a-502a的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,目标节点会接收源节点发送的请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,之后,会向源节点发送回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图5b为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由目标节点执行,如图5b所示,该路径切换方法可以包括以下步骤:
步骤501b、接收源节点发送的请求消息,请求消息用于请求目标节点进行路径切换准备。
步骤502b、基于所述请求消息配置用于路径切换的资源。
步骤503b、基于所述资源分配情况向所述源节点发送回复消息。
其中,关于步骤501b-503b的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,目标节点会接收源节点发送的请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,之后,会向源节点发送回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图6为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由源节点执行,如图6所示, 该路径切换方法可以包括以下步骤:
步骤601、向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备;和/或,接收所述目标节点发送的回复消息。
关于步骤601的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,源节点向目标节点发送请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,和/或,源节点也会接收目标节点发送的回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图7为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由源节点执行,如图7所示,该路径切换方法可以包括以下步骤:
步骤701、向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备。
关于步骤701的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,源节点向目标节点发送请求消息,其中,该请求消息用于请求目标节点进行路径切换准备。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图8为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由源节点执行,如图8所示,该路径切换方法可以包括以下步骤:
步骤801、接收目标节点发送的回复消息。
关于步骤801的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,源节点会接收目标节点发送的回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
图9为本公开实施例所提供的一种路径切换方法的流程示意图,该方法由源节点执行,如图9所示,该路径切换方法可以包括以下步骤:
步骤901、向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备。
步骤902、接收所述目标节点发送的回复消息。
关于步骤901-902的详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例提供的路径切换方法之中,源节点向目标节点发送请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,之后,源节点会接收到目标节点发送的回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
以下为以源节点侧和目标节点侧为视角对上述图1-图9的方法进行的可选实现方式的举例介绍,下述任一条实现方式可以单独执行,也可以结合其他实现方式组合执行。
源节点侧:
1、源节点发送请求消息给目标节点,请求为路径切换准备资源。
1.1、示例性的,所述请求消息可以为切换请求消息(HANDOVER REQUEST)。
2、基于1,1中所述请求消息包含以下一种或多种:
2.1、指示信息,用于指示直接链路和/或间接链路
2.2、UE标识
2.3、目标中继UE标识
2.4、目标小区标识
示例性的,2中所述的UE标识(2.2/2.3)为源节点和/或目标节点上的UE标识,例如UE XnAP ID
示例性的,2中所述小区标识(2.4)为Global ID(E-UTRA CGI或者NR CGI)
示例性的,所述中继UE可以为U2N中继UE或者U2U中继UE。
示例性的,所述源节点和目标节点可以为gNB
3、基于2,所述指示信息,用于指示直接链路和/或间接链路,可以为:
3.1、示例性的,所述2.1中的描述的指示信息可以为一个指示信息,不同的取值可以指示所请求的路径切换是直接连接目标节点,间接连接目标节点(通过中继连接),不做要求(即,既可以直接连接又可以间接连接)中的一种或多种。
3.2、示例性的,所述2.1中的描述的指示信息可以为多个指示信息,不同的指示信息可以指示所请求的路径切换是直接连接目标节点,间接连接目标节点,不做要求(即,既可以直接连接又可以间接连接)中的一种或多种。
3.3、示例性的,当所述指示信息不存在时,默认所请求的路径切换是直接连接目标节点,或者间接连接目标节点,或者不做要求(即,既可以直接连接又可以间接连接)
4、基于2,所述UE标识可以为:
4.1、示例性的,所述UE的标识也可以是远端UE的标识。即可以通过中继UE连接网络设备。
5、基于2,可以包含一个或多个目标中继UE标识
5.1、示例性的,若包含了一个或多个目标中继UE标识,则隐式指示了所请求的路径切换是间接连接目标节点或不做要求。
5.2、示例性的,所述目标中继UE为源节点为请求的间接连接推荐的目标中继节点。
6、基于2,可以包含一个或多个目标小区标识
6.1、示例性的,若只包含了2.4,未包含2.3,隐式指示了所请求的路径切换是直接连接目标节点或不做要求。
6.2、示例性的,对于直接链路而言,所述目标小区为2.2中所述UE可以切换到与此目标小区直接连接
6.3、示例性的,对于间接链路而言,所述目标小区为2.2中所述UE可以切换到与此目标小区通过中继UE间接连接。
6.3.1、示例性的,所述目标小区为所述中继UE的服务小区或驻留的小区
7、基于2,如果所述请求消息中同时包含2.3和2.4,2.4中所述目标小区为所述中继UE的服务小区(中继UE为连接态UE)或驻留的小区(中继UE为空闲态或非激活态UE),或者所述中继UE的可能的服务小区(中继UE为连接态UE)或可能的驻留的小区(中继UE为空闲态或非激活态UE)。
7.1、示例性的,一个目标中继UE可以与一个或多个目标小区对应。
7.1.1、示例性的,一个目标中继UE和其对应的一个或多个目标小区可以包含在一个IE中,此IE指示了路径切换的目标。
7.2、示例性的,一个目标小区也可以与一个或多个目标中继UE对应。
7.2.1、示例性的,一个目标小区和其对应的一个或多个目标中继UE可以包含在一个IE中,此IE指示了路径切换的目标。
7.3、示例性的,可以通过对应关系IE指示目标小区和目标中继UE的对应关系
示例性的,一个目标中继UE可以与多个目标小区对应,所述多个目标小区可以为此中继UE的服务(驻留)小区和/或潜在的服务(驻留)小区。其中潜在的服务(驻留)小区是指后续中继UE可以接入(驻留)的小区。
示例性的,一个目标中继UE可以与一个目标小区对应,所述此目标小区为此中继UE的服务(驻留)小区。
目标节点侧:
8、目标节点接收到源节点发送的请求消息,则有包括以下步骤中的一个或多个:
8.1、根据所述请求消息目标节点准备路径切换
8.2、发送回复消息给源节点
9、基于8.1所述根据所述请求消息目标节点准备路径切换包括以下一项或多项:
9.1、根据所述请求消息确定目标节点准备的路径切换类型(切换到直接链路或间接链路)
示例性的,根据指示信息和/或是否包含2.3 2.4确认可以准备的路径切换类型。若都可以,则目标节点基于实现确定路径切换类型
9.2、响应于可以准备间接链路,需要确定目标中继UE和/或目标小区
9.2.1、示例性的,若收到的源节点发送请求消息中包含一个或多个目标中继UE标识,则从请求消息中包含的一个或多个目标中继UE中确定目标中继UE。并根据请求消息中的此中继UE对应的一个或多个目标小区中确认目标小区
9.2.2、示例性的,若收到的源节点发送请求消息中不包含一个或多个目标中继UE标识,若包含目标小区标识,则根据目标小区选择其对应的目标中继UE。否则,基于基站实现确定目标中继UE和相应的目标小区。
9.3、响应于可以准备直接链路,需要确定目标小区
9.3.1、示例性的,根据源节点发送的请求消息中的目标小区标识确认。
9.4、响应于目标节点无法分配用于路径切换的资源,或者无法确定目标中继UE和/或目标小区,则发送失败消息,否则发送确认消息。
10、基于8.2,目标节点发送回复消息给源节点,包括。
10.1、所述回复消息可以为确认消息(应答消息)告知源节点目标节点为路径切换准备的资源或失败消息(拒绝消息)
10.1.1、示例性的,所述应答消息(确认消息)可以为切换请求确认(HANDOVER REQUEST ACKNOWLEDGE)消息。
10.2、所述回复消息可以为失败消息(拒绝消息)告知源节点路径切换准备失败或者拒绝所述路径切换
10.2.1、示例性的,所述失败消息(拒绝消息)可以为切换准备失败(HANDOVER PREPARATION FAILURE)消息。
11、基于10,10.1中所述确认消息包含以下一种或多种:
11.1、指示信息,用于指示直接链路,或间接链路
11.2、UE标识
11.3、目标中继UE标识
11.4、目标小区标识
示例性的,11中所述的UE标识(11.2/11.3)为源节点和/或目标节点上的UE标识,例如UE XnAP ID
示例性的,11中所述小区标识(11.4)为Global ID(E-UTRA CGI或者NR CGI)
示例性的,所述中继UE可以为U2N中继UE或者U2U中继UE。
示例性的,所述源节点和目标节点可以为gNB
12、基于11,所述指示信息,用于指示直接链路或间接链路,指示的为目标节点确认的9.2中所述UE最终接入此节点的方式:
12.1、示例性的,所述11.1中的描述的指示信息可以为一个指示信息,不同的取值可以指示确认的路径切换是直接连接目标节点或间接连接目标节点。
12.2、示例性的,所述11.1中的描述的指示信息可以为多个指示信息,不同的指示信息可以指示确认的路径切换是直接连接目标节点或间接连接目标节点,其中所述多个指示信息只能存在一个。
12.3、示例性的,当所述指示信息不存在时,默认所请求的路径切换是直接连接目标节点,或者间接连接目标节点。
12.4、示例性的,当所述指示信息不存在时,根据确认消息中是否包含目标中继UE标识确认,若包含为间接连接,否则为直接连接。
13、基于11,所述UE标识可以为:
13.1、示例性的,所述UE的标识也可以是远端UE的标识。即可以通过中继UE连接网络设备。
14、基于11,可以包含一个或多个目标中继UE标识,为9中选择的目标中继UE
14.1、示例性的,若包含了一个或多个目标中继UE标识,则隐式指示了所确认的路径切换是间接连接。
15、基于11,可以包含一个或多个目标小区标识,为9中选择的目标小区
15.1、示例性的,若只包含了11.4,未包含11.3,隐式指示了所确认的路径切换是直接连接目标节点。
15.2、示例性的,对于直接链路而言,所述目标小区为11.2中所述UE可以切换到与此目标小区直接连接
15.3、示例性的,对于间接链路而言,所述目标小区为11.2中所述UE可以切换到与此目标小区通过中继UE间接连接。
15.3.1、示例性的,所述目标小区为所述中继UE的服务小区或驻留的小区
16、基于11,如果所述请求消息中同时包含11.3和11.4,11.4中所述目标小区为所述中继UE的服务小区(中继UE为连接态UE)或驻留的小区(中继UE为空闲态或非激活态UE),或者所述中继UE的可能的服务小区(中继UE为连接态UE)或可能的驻留的小区(中继UE为空闲态或非激活态UE)。
16.1、示例性的,一个目标中继UE可以与一个或多个目标小区对应。
16.1.1、示例性的,一个目标中继UE和其对应的一个或多个目标小区可以包含在一个IE中,此IE指示了路径切换的目标。
16.2、示例性的,一个目标小区也可以与一个或多个目标中继UE对应。
16.2.1、示例性的,一个目标小区和其对应的一个或多个目标中继UE可以包含在一个IE中,此IE指示了路径切换的目标。
16.3、示例性的,可以通过对应关系IE指示目标小区和目标中继UE的对应关系
示例性的,一个目标中继UE可以与多个目标小区对应,所述多个目标小区可以为此中继UE的服务(驻留)小区和/或潜在的服务(驻留)小区。其中潜在的服务(驻留)小区是指后续中继UE可以接入(驻留)的小区。
示例性的,一个目标中继UE可以与一个目标小区对应,所述此目标小区为此中继UE的服务(驻留)小区。
17、基于10,10.2中所述失败消息包含以下信息中的一种或多种:
17.1、指示信息,用于指示直接链路和/或间接链路
17.1.1、示例性的,所述指示信息指示了目标节点准备切换到直接链路和/或间接链路失败
17.2、UE标识
17.3、目标中继UE标识
17.3.1、示例性的,指示了请求消息中的连接或配置失败的目标中继UE标识
17.4、目标小区标识
17.4.1、示例性的,指示了请求消息中的连接或配置失败的目标小区标识
图10为本公开实施例所提供的一种通信装置的结构示意图,如图10所示,装置可以包括:
收发模块,用于接收源节点发送的请求消息,所述请求消息用于请求目标节点进行路径切换准备;
所述收发模块,还用于向所述源节点发送回复消息。
综上所述,在本公开实施例提供的通信装置之中,目标节点会接收源节点发送的请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,目标节点也会向源节点发送回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成 功执行。
可选的,在本公开的一个实施例之中,所述回复消息包括以下中的至少一个:
确认消息,其中,所述确认消息指示所述源节点请求成功;
失败消息,其中,所述失败消息指示所述源节点请求失败。
可选的,在本公开的一个实施例之中,所述请求消息包括以下中的至少一个:
第一指示信息,用于指示所述源节点为待切换用户设备UE请求的与目标节点的连接方式;
待切换UE的标识;
一个或多个目标中继UE的标识;
一个或多个目标小区的标识。
可选的,在本公开的一个实施例之中,所述装置还用于:
基于所述请求消息配置用于路径切换的资源。
可选的,在本公开的一个实施例之中,所述收发模块还用于:
基于所述资源分配情况向所述源节点发送回复消息。
可选的,在本公开的一个实施例之中,所述连接方式包括以下中的至少一个:
直接连接;
间接连接。
可选的,在本公开的一个实施例之中,所述第一指示信息指示所述源节点向所述目标节点请求直接连接或间接连接或任一种连接方式。
可选的,在本公开的一个实施例之中,所述装置还用于:
响应于所述请求消息中未包括所述第一指示信息,默认所述源节点向所述目标节点请求第一特定连接方式;
其中,所述第一特定连接方式包括以下中的至少一个:
直接连接;
间接连接;
任一种连接方式。
可选的,在本公开的一个实施例之中,响应于所述请求消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
所述目标中继UE的服务小区;
所述目标中继UE的驻留小区;
所述目标中继UE的可能服务小区;
所述目标中继UE的可能驻留小区。
可选的,在本公开的一个实施例之中,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一信息元素IE中。
可选的,在本公开的一个实施例之中,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述装置还用于以下中的至少一个:
确定所述源节点请求的连接方式,从所述源节点请求的连接方式中确定所述目标节点允许的连接方式;所述目标节点允许的连接方式包括直接连接或间接连接;
响应于所述目标节点允许的连接方式为:间接连接,执行以下一种或多种操作:
为所述请求消息包括的一个或多个目标中继UE配置用于路径切换的资源;
基于资源配置成功的目标中继UE对应的一个或多个目标小区确定资源配置成功的目标小区;
为所述请求消息包括的一个或多个目标小区配置用于路径切换的资源;
基于资源配置成功的目标小区对应的一个或多个目标中继UE确定资源配置成功的目标中继UE;
自主确定一个或多个目标中继UE,并为所述自主确定的目标中继UE配置用于路径切换的资源;
自主确定一个或多个目标小区,并为所述自主确定的目标小区配置用于路径切换的资源;
响应于所述目标节点允许的连接方式为:直接连接,执行以下一种或多种操作:
为所述请求消息包括的一个或多个目标小区配置用于路径切换的资源;
自主确定一个或多个目标小区,并为所述自主确定的目标小区配置用于路径切换的资源。
可选的,在本公开的一个实施例之中,所述装置还用于以下中的至少一个:
响应于所述请求消息中包括第一指示信息,基于所述第一指示信息确定所述源节点请求的连接方式;
响应于所述请求消息中未包括所述第一指示信息,基于所述请求消息是否包括目标中继UE的标识和/或目标小区的标识,确定所述源节点请求的连接方式。
可选的,在本公开的一个实施例之中,所述收发模块还用于以下中的至少一个:
响应于所述资源分配失败,向所述源节点发送失败消息;
响应于所述资源分配成功,向所述源节点发送确认消息。
可选的,在本公开的一个实施例之中,所述确认消息包括以下中的至少一个:
第二指示信息,用于指示所述目标节点允许的连接方式;
待切换UE的标识;
资源配置成功的目标中继UE的标识;
资源配置成功的目标小区的标识。
可选的,在本公开的一个实施例之中,所述第二指示信息指示目标节点允许的连接方式为直接连接或间接连接。
可选的,在本公开的一个实施例之中,所述装置还用于:
响应于所述确认消息中未包括所述第二指示信息,默认所述目标节点允许的连接方式为:第二特定连接方式;
其中,所述第二特定连接方式包括直接连接或间接连接。
可选的,在本公开的一个实施例之中,响应于所述确认消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
所述目标中继UE的服务小区;
所述目标中继UE的驻留小区;
所述目标中继UE的可能服务小区;
所述目标中继UE的可能驻留小区。
可选的,在本公开的一个实施例之中,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述失败消息包括以下中的至少一个:
第三指示信息,用于指示所述目标节点切换失败的连接方式;
待切换UE的标识;
资源配置失败的目标中继UE的标识;
资源配置失败的目标小区的标识。
图11为本公开实施例所提供的一种通信装置的结构示意图,如图11所示,装置可以包括:
收发模块,用于向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备;
收发模块,还用于接收所述目标节点发送的回复消息。
综上所述,在本公开实施例提供的通信装置之中,源节点向目标节点发送请求消息,其中,该请求消息用于请求目标节点进行路径切换准备,和/或,源节点也会接收目标节点发送的回复消息。由此可知,本公开实施例在路径切换流程中涉及到了不同节点之间的交互,从而本公开的方法可以应用到涉及有基站间切换(inter-gNB)的路径切换流程中,以使得涉及基站间切换(inter-gNB)的路径切换流程能够成功执行。
可选的,在本公开的一个实施例之中,所述回复消息包括以下中的至少一个:
确认消息,其中,所述确认消息指示所述源节点请求成功;
失败消息,其中,所述失败消息指示所述源节点请求失败。
可选的,在本公开的一个实施例之中,所述请求消息包括以下中的至少一个:
第一指示信息,用于指示所述源节点为待切换UE请求的与目标节点的连接方式;
待切换UE的标识;
一个或多个目标中继UE的标识;
一个或多个目标小区的标识。
可选的,在本公开的一个实施例之中,所述连接方式包括以下中的至少一个:
直接连接;
间接连接。
可选的,在本公开的一个实施例之中,所述第一指示信息指示所述源节点向所述目标节点请求直接连接或间接连接或任一种连接方式。
可选的,在本公开的一个实施例之中,所述装置还用于:
响应于所述请求消息中未包括所述第一指示信息,默认所述源节点向所述目标节点请求第一特定连接方式;
其中,所述第一特定连接方式包括以下中的至少一个:
直接连接;
间接连接;
任一种连接方式。
可选的,在本公开的一个实施例之中,响应于所述请求消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
所述目标中继UE的服务小区;
所述目标中继UE的驻留小区;
所述目标中继UE的可能服务小区;
所述目标中继UE的可能驻留小区。
可选的,在本公开的一个实施例之中,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述确认消息包括以下中的至少一个:
第二指示信息,用于指示所述目标节点允许的连接方式;
待切换UE的标识;
资源配置成功的目标中继UE的标识;
资源配置成功的目标小区的标识。
可选的,在本公开的一个实施例之中,所述第二指示信息指示目标节点允许的连接方式为直接连接或间接连接。
可选的,在本公开的一个实施例之中,所述装置还用于:
响应于所述确认消息中未包括所述第二指示信息,默认所述目标节点允许的连接方式为:第二特定连接方式;
其中,所述第二特定连接方式包括直接连接或间接连接。
可选的,在本公开的一个实施例之中,响应于所述确认消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
所述目标中继UE的服务小区;
所述目标中继UE的驻留小区;
所述目标中继UE的可能服务小区;
所述目标中继UE的可能驻留小区。
可选的,在本公开的一个实施例之中,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
可选的,在本公开的一个实施例之中,所述失败消息包括以下中的至少一个:
第三指示信息,用于指示所述目标节点切换失败的连接方式;
待切换UE的标识;
资源配置失败的目标中继UE的标识;
资源配置失败的目标小区的标识。
请参见图12,图12是本申请实施例提供的一种通信装置1200的结构示意图。通信装置1200可以是网络设备,也可以是终端设备,也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等,还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
通信装置1200可以包括一个或多个处理器1201。处理器1201可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理,中央处理器可以用于对通信装置(如,基站、基带芯片,终端设备、终端设备芯片,DU或CU等)进行控制,执行计算机程序,处理计算机程序的数据。
可选的,通信装置1200中还可以包括一个或多个存储器1202,其上可以存有计算机程序1204,处理器1201执行所述计算机程序1204,以使得通信装置1200执行上述方法实施例中描述的方法。可选的,所述存储器1202中还可以存储有数据。通信装置1200和存储器1202可以单独设置,也可以集成在一起。
可选的,通信装置1200还可以包括收发器1205、天线1206。收发器1205可以称为收发单元、收发机、或收发电路等,用于实现收发功能。收发器1205可以包括接收器和发送器,接收器可以称为接收机或接收电路等,用于实现接收功能;发送器可以称为发送机或发送电路等,用于实现发送功能。
可选的,通信装置1200中还可以包括一个或多个接口电路1207。接口电路1207用于接收代码指令并传输至处理器1201。处理器1201运行所述代码指令以使通信装置1200执行上述方法实施例中描述的方法。
在一种实现方式中,处理器1201中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路,或者是接口,或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的,也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写,或者,上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中,处理器1201可以存有计算机程序1203,计算机程序1203在处理器1201上运行,可使得通信装置1200执行上述方法实施例中描述的方法。计算机程序1203可能固化在处理器1201中,该种情况下,处理器1201可能由硬件实现。
在一种实现方式中,通信装置1200可以包括电路,所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请中描述的处理器和收发器可实现在集成电路(integrated circuit,IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit,ASIC)、印刷电路板(printed circuit board,PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造,例如互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor,NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor,PMOS)、双极结型晶体管(bipolar junction transistor,BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络设备或者终端设备,但本申请中描述的通信装置的范围并不限于此,而且通信装置的结构可以不受图12的限制。通信装置可以是独立的设备或者可以是较大设 备的一部分。例如所述通信装置可以是:
(1)独立的集成电路IC,或芯片,或,芯片系统或子系统;
(2)具有一个或多个IC的集合,可选的,该IC集合也可以包括用于存储数据,计算机程序的存储部件;
(3)ASIC,例如调制解调器(Modem);
(4)可嵌入在其他设备内的模块;
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等;
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况,可参见图13所示的芯片的结构示意图。图13所示的芯片包括处理器1301和接口1302。其中,处理器1301的数量可以是一个或多个,接口1302的数量可以是多个。
可选的,芯片还包括存储器1303,存储器1303用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件,或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用,可以使用各种方法实现所述的功能,但这种实现不应被理解为超出本申请实施例保护的范围。
本申请还提供一种可读存储介质,其上存储有指令,该指令被计算机执行时实现上述任一方法实施例的功能。
本申请还提供一种计算机程序产品,该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,高密度数字视频光盘(digital video disc,DVD))、或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
本领域普通技术人员可以理解:本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分,并不用来限制本申请实施例的范围,也表示先后顺序。
本申请中的至少一个还可以描述为一个或多个,多个可以是两个、三个、四个或者更多个,本申请不做限制。在本申请实施例中,对于一种技术特征,通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征,该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本申请中各表所示的对应关系可以被配置,也可以是预定义的。各表中的信息的取值仅仅是举例,可以配置为其他值,本申请并不限定。在配置信息与各参数的对应关系时,并不一定要求必须配置各表中示意出的所有对应关系。例如,本申请中的表格中,某些行示出的对应关系也可以不配置。又例如,可以基于上述表格做适当的变形调整,例如,拆分,合并等等。上述各表中标题示出参数的名称也可以采用通信装置可理解的其他名称,其参数的取值或表示方式也可以通信装置可理解的其他取值或表示方式。上述各表在实现时,也可以采用其他的数据结构,例如可以采用数组、队列、容器、栈、线性表、指针、链表、树、图、结构体、类、堆、散列表或哈希表等。
本申请中的预定义可以理解为定义、预先定义、存储、预存储、预协商、预配置、固化、或预烧制。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以所述权利要求的保护范围为准。

Claims (42)

  1. 一种路径切换方法,所述方法由目标节点执行,其特征在于,所述方法包括:
    接收源节点发送的请求消息,所述请求消息用于请求目标节点进行路径切换准备;
    向所述源节点发送回复消息。
  2. 如权利要求1所述的方法,其特征在于,所述回复消息包括以下中的至少一个:
    确认消息,其中,所述确认消息指示所述源节点请求成功;
    失败消息,其中,所述失败消息指示所述源节点请求失败。
  3. 如权利要求1所述的方法,其特征在于,所述请求消息包括以下中的至少一个:
    第一指示信息,用于指示所述源节点为待切换用户设备UE请求的与目标节点的连接方式;
    待切换UE的标识;
    一个或多个目标中继UE的标识;
    一个或多个目标小区的标识。
  4. 如权利要求1所述的方法,其特征在于,所述方法还包括:
    基于所述请求消息配置用于路径切换的资源。
  5. 如权利要求4所述的方法,其特征在于,所述向所述源节点发送回复消息,包括:
    基于所述资源分配情况向所述源节点发送回复消息。
  6. 如权利要求3所述的方法,其特征在于,所述连接方式包括以下中的至少一个:
    直接连接;
    间接连接。
  7. 如权利要求3所述的方法,其特征在于,所述第一指示信息指示所述源节点向所述目标节点请求直接连接或间接连接或任一种连接方式。
  8. 如权利要求1所述的方法,其特征在于,响应于所述请求消息中未包括所述第一指示信息,默认所述源节点向所述目标节点请求第一特定连接方式;
    其中,所述第一特定连接方式包括以下中的至少一个:
    直接连接;
    间接连接;
    任一种连接方式。
  9. 如权利要求3所述的方法,其特征在于,响应于所述请求消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
    所述目标中继UE的服务小区;
    所述目标中继UE的驻留小区;
    所述目标中继UE的可能服务小区;
    所述目标中继UE的可能驻留小区。
  10. 如权利要求9所述的方法,其特征在于,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一信息元素IE中。
  11. 如权利要求9所述的方法,其特征在于,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
  12. 如权利要求4所述的方法,其特征在于,所述基于所述请求消息配置用于路径切换的资源,包括以下中的至少一个:
    确定所述源节点请求的连接方式,从所述源节点请求的连接方式中确定所述目标节点允许的连接方式;所述目标节点允许的连接方式包括直接连接或间接连接;
    响应于所述目标节点允许的连接方式为:间接连接,执行以下一种或多种操作:
    为所述请求消息包括的一个或多个目标中继UE配置用于路径切换的资源;
    基于资源配置成功的目标中继UE对应的一个或多个目标小区确定资源配置成功的目标小区;
    为所述请求消息包括的一个或多个目标小区配置用于路径切换的资源;
    基于资源配置成功的目标小区对应的一个或多个目标中继UE确定资源配置成功的目标中继UE;
    自主确定一个或多个目标中继UE,并为所述自主确定的目标中继UE配置用于路径切换的资源;
    自主确定一个或多个目标小区,并为所述自主确定的目标小区配置用于路径切换的资源;
    响应于所述目标节点允许的连接方式为:直接连接,执行以下一种或多种操作:
    为所述请求消息包括的一个或多个目标小区配置用于路径切换的资源;
    自主确定一个或多个目标小区,并为所述自主确定的目标小区配置用于路径切换的资源。
  13. 如权利要求12所述的方法,其特征在于,所述确定所述源节点请求的连接方式,包括以下中的至少一个:
    响应于所述请求消息中包括第一指示信息,基于所述第一指示信息确定所述源节点请求的连接方式;
    响应于所述请求消息中未包括所述第一指示信息,基于所述请求消息是否包括目标中继UE的标识和/或目标小区的标识,确定所述源节点请求的连接方式。
  14. 如权利要求12所述的方法,其特征在于,所述基于所述资源分配情况向所述源节点发送回复消息,包括以下中的至少一个:
    响应于所述资源分配失败,向所述源节点发送失败消息;
    响应于所述资源分配成功,向所述源节点发送确认消息。
  15. 如权利要求2所述的方法,其特征在于,所述确认消息包括以下中的至少一个:
    第二指示信息,用于指示所述目标节点允许的连接方式;
    待切换UE的标识;
    资源配置成功的目标中继UE的标识;
    资源配置成功的目标小区的标识。
  16. 如权利要求15所述的方法,其特征在于,所述第二指示信息指示目标节点允许的连接方式为直接连接或间接连接。
  17. 如权利要求15所述的方法,其特征在于,响应于所述确认消息中未包括所述第二指示信息,默认所述目标节点允许的连接方式为:第二特定连接方式;
    其中,所述第二特定连接方式包括直接连接或间接连接。
  18. 如权利要求15所述的方法,其特征在于,响应于所述确认消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
    所述目标中继UE的服务小区;
    所述目标中继UE的驻留小区;
    所述目标中继UE的可能服务小区;
    所述目标中继UE的可能驻留小区。
  19. 如权利要求18所述的方法,其特征在于,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一IE中。
  20. 如权利要求18所述的方法,其特征在于,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
  21. 如权利要求2所述的方法,其特征在于,所述失败消息包括以下中的至少一个:
    第三指示信息,用于指示所述目标节点切换失败的连接方式;
    待切换UE的标识;
    资源配置失败的目标中继UE的标识;
    资源配置失败的目标小区的标识。
  22. 一种路径切换方法,所述方法由源节点执行,其特征在于,所述方法包括:
    向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备;
    接收所述目标节点发送的回复消息。
  23. 如权利要求22所述的方法,其特征在于,所述回复消息包括以下中的至少一个:
    确认消息,其中,所述确认消息指示所述源节点请求成功;
    失败消息,其中,所述失败消息指示所述源节点请求失败。
  24. 如权利要求22所述的方法,其特征在于,所述请求消息包括以下中的至少一个:
    第一指示信息,用于指示所述源节点为待切换UE请求的与目标节点的连接方式;
    待切换UE的标识;
    一个或多个目标中继UE的标识;
    一个或多个目标小区的标识。
  25. 如权利要求24所述的方法,其特征在于,所述连接方式包括以下中的至少一个:
    直接连接;
    间接连接。
  26. 如权利要求24所述的方法,其特征在于,所述第一指示信息指示所述源节点向所述目标节点请求直接连接或间接连接或任一种连接方式。
  27. 如权利要求22所述的方法,其特征在于,响应于所述请求消息中未包括所述第一指示信息,默认所述源节点向所述目标节点请求第一特定连接方式;
    其中,所述第一特定连接方式包括以下中的至少一个:
    直接连接;
    间接连接;
    任一种连接方式。
  28. 如权利要求24所述的方法,其特征在于,响应于所述请求消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
    所述目标中继UE的服务小区;
    所述目标中继UE的驻留小区;
    所述目标中继UE的可能服务小区;
    所述目标中继UE的可能驻留小区。
  29. 如权利要求28所述的方法,其特征在于,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一IE中。
  30. 如权利要求28所述的方法,其特征在于,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
  31. 如权利要求23所述的方法,其特征在于,所述确认消息包括以下中的至少一个:
    第二指示信息,用于指示所述目标节点允许的连接方式;
    待切换UE的标识;
    资源配置成功的目标中继UE的标识;
    资源配置成功的目标小区的标识。
  32. 如权利要求31所述的方法,其特征在于,所述第二指示信息指示目标节点允许的连接方式为直接连接或间接连接。
  33. 如权利要求31所述的方法,其特征在于,响应于所述确认消息中未包括所述第二指示信息,默认所述目标节点允许的连接方式为:第二特定连接方式;
    其中,所述第二特定连接方式包括直接连接或间接连接。
  34. 如权利要求31所述的方法,其特征在于,响应于所述确认消息中包括目标中继UE的标识和目标小区的标识;所述目标小区包括以下中的至少一个:
    所述目标中继UE的服务小区;
    所述目标中继UE的驻留小区;
    所述目标中继UE的可能服务小区;
    所述目标中继UE的可能驻留小区。
  35. 如权利要求34所述的方法,其特征在于,所述目标中继UE的标识与所述目标中继UE对应的一个或多个目标小区的标识包含于同一IE中。
  36. 如权利要求34所述的方法,其特征在于,所述目标小区的标识与所述目标小区对应的一个或多个目标中继UE的标识包含于同一IE中。
  37. 如权利要求23所述的方法,其特征在于,所述失败消息包括以下中的至少一个:
    第三指示信息,用于指示所述目标节点切换失败的连接方式;
    待切换UE的标识;
    资源配置失败的目标中继UE的标识;
    资源配置失败的目标小区的标识。
  38. 一种通信装置,其特征在于,所述装置被配置于终端设备中,包括:
    收发模块,用于接收源节点发送的请求消息,所述请求消息用于请求目标节点进行路径切换准备;
    所述收发模块,用于向所述源节点发送回复消息。
  39. 一种通信装置,其特征在于,所述装置被配置于网络设备中,包括:
    收发模块,用于向目标节点发送请求消息,所述请求消息用于请求目标节点进行路径切换准备;
    所述收发模块,还用于接收所述目标节点发送的回复消息。
  40. 一种通信装置,其特征在于,所述装置包括处理器和存储器,其中,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求1至21中任一项所述的方法,或所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求22至37所述的方法。
  41. 一种通信装置,其特征在于,包括:处理器和接口电路,其中
    所述接口电路,用于接收代码指令并传输至所述处理器;
    所述处理器,用于运行所述代码指令以执行如权利要求1至21中任一项所述的方法,或用于运行所述代码指令以执行如权利要求22至37所述的方法。
  42. 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求1至21中任一项所述的方法被实现,或当所述指令被执行时,使如权利要求22至37所述的方法被实现。
PCT/CN2022/106122 2022-07-15 2022-07-15 一种路径切换方法、装置、设备及存储介质 WO2024011638A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2022/106122 WO2024011638A1 (zh) 2022-07-15 2022-07-15 一种路径切换方法、装置、设备及存储介质
CN202280002576.4A CN117716730A (zh) 2022-07-15 2022-07-15 一种路径切换方法、装置、设备及存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/106122 WO2024011638A1 (zh) 2022-07-15 2022-07-15 一种路径切换方法、装置、设备及存储介质

Publications (1)

Publication Number Publication Date
WO2024011638A1 true WO2024011638A1 (zh) 2024-01-18

Family

ID=89535289

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/106122 WO2024011638A1 (zh) 2022-07-15 2022-07-15 一种路径切换方法、装置、设备及存储介质

Country Status (2)

Country Link
CN (1) CN117716730A (zh)
WO (1) WO2024011638A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103313327A (zh) * 2012-03-14 2013-09-18 中兴通讯股份有限公司 支持中继节点切换的方法、供者基站和中继节点
CN113873586A (zh) * 2020-06-30 2021-12-31 华为技术有限公司 一种通信路径切换方法、装置及系统
WO2022073501A1 (zh) * 2020-10-10 2022-04-14 大唐移动通信设备有限公司 切换方法、终端、网络设备及中继
CN114449516A (zh) * 2020-11-05 2022-05-06 华为技术有限公司 一种通信方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103313327A (zh) * 2012-03-14 2013-09-18 中兴通讯股份有限公司 支持中继节点切换的方法、供者基站和中继节点
CN113873586A (zh) * 2020-06-30 2021-12-31 华为技术有限公司 一种通信路径切换方法、装置及系统
WO2022073501A1 (zh) * 2020-10-10 2022-04-14 大唐移动通信设备有限公司 切换方法、终端、网络设备及中继
CN114449516A (zh) * 2020-11-05 2022-05-06 华为技术有限公司 一种通信方法及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MEDIATEK INC.: "Service Continuity for L2 Relay and L3 Relay", 3GPP TSG-RAN WG2 MEETING #112 ELECTRONIC, R2-2009125, 23 October 2020 (2020-10-23), XP051942150 *

Also Published As

Publication number Publication date
CN117716730A (zh) 2024-03-15

Similar Documents

Publication Publication Date Title
EP4336902A1 (en) Method for releasing remote terminal device and apparatus therefor
WO2023102743A1 (zh) 接入控制方法及装置
WO2024065127A1 (zh) 控制中继设备信息发送的方法及其装置
WO2023225830A1 (zh) 中继连接方法及装置
WO2024011638A1 (zh) 一种路径切换方法、装置、设备及存储介质
CN116076122A (zh) 一种组定位方法、装置、设备及存储介质
CN117413566A (zh) 一种终端设备的移动性管理方法及装置
WO2024011432A1 (zh) 一种信息传输方法及其装置
WO2024011639A1 (zh) 一种路径切换方法、装置、设备及存储介质
WO2024011545A1 (zh) 切换方法及装置
WO2024060143A1 (zh) 一种上报方法/装置/设备及存储介质
WO2023245452A1 (zh) 一种系统信息配置方法/装置/设备及存储介质
WO2024016191A1 (zh) 一种限制信息确定方法/装置/设备及存储介质
WO2024026801A1 (zh) 一种侧行链路sl波束配置方法、装置、设备及存储介质
WO2024011547A1 (zh) 数据传输方法和装置
WO2023184447A1 (zh) 侧链路Sidelink通信方法、装置及存储介质
WO2024045042A1 (zh) 一种能力交互触发方法/装置/设备及存储介质
WO2023220941A1 (zh) 一种数据前转信息的传输方法及其装置
WO2024045039A1 (zh) 一种能力交互方法/装置/设备及存储介质
WO2023193274A1 (zh) 一种配置信息传输方法及其装置
WO2024092818A1 (zh) 同步源选择方法和装置
WO2023240419A1 (zh) 一种接入控制的方法及装置
WO2024011431A1 (zh) 原因指示方法、装置、设备及存储介质
US20240237141A1 (en) Method for releasing remote terminal
WO2023225826A1 (zh) 定位系统信息的获取方法和装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 202280002576.4

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22950756

Country of ref document: EP

Kind code of ref document: A1