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CN-116566457-B - Method and apparatus for wireless communication

CN116566457BCN 116566457 BCN116566457 BCN 116566457BCN-116566457-B

Abstract

A method and apparatus for wireless communication includes receiving first signaling for configuring a first bearer and a second bearer, both the first bearer and the second bearer being associated with a first cell group, the first cell group being a primary cell group, detecting a target bearer failure, performing a first set of operations in response to the act detecting a target bearer failure, the first set of operations being related to whether the target bearer is the first bearer or the second bearer. The application is helpful for network optimization by detecting the target bearing failure and executing the first operation set, improves the reliability of communication and avoids communication interruption.

Inventors

  • CHEN YU
  • ZHANG XIAOBO

Assignees

  • 上海朗帛通信技术有限公司

Dates

Publication Date
20260512
Application Date
20220124

Claims (20)

  1. 1. A first node for wireless communication, comprising: the first receiver receives first signaling, wherein the first signaling is used for configuring a first bearer and a second bearer, and the first bearer and the second bearer are both associated with a first cell group; A first processor that performs a first set of operations in response to the first receiver detecting a failure of a target bearer, the first set of operations relating to whether the target bearer is the first bearer or the second bearer; Wherein the second bearer is associated with a first relay, the first relay being an L2U 2N (Layer-2 UE to Network) relay UE (User Equipment), wherein when the target bearer is the first bearer, the first set of operations includes at least one of sending an RRC message and receiving an RRC message, the first set of operations includes at least one of cell selection and relay selection, and when the target bearer is the second bearer, the first set of operations includes sending first information indicating that the target bearer is failed.
  2. 2. The first node of claim 1, wherein the first node, SRB1 of the first node is associated with only the first bearer of the first bearer and the second bearer.
  3. 3. The first node of claim 1, wherein the first node, The SRB1 of the first node is associated with both the first bearer and the second bearer.
  4. 4. The first node of claim 1, wherein the first node, The first set of operations includes releasing the second bearer, suspending SRB1 associated with the target bearer, the first set of operations including performing either cell selection or relay selection; The first operation set includes sending an RRC reestablishment request message, and the target bearer is the first bearer.
  5. 5. The first node of claim 2, wherein the first node, The first set of operations includes releasing the second bearer, suspending SRB1 associated with the target bearer, the first set of operations including performing either cell selection or relay selection; The first operation set includes sending an RRC reestablishment request message, and the target bearer is the first bearer.
  6. 6. The first node of claim 1, wherein the first node, The first set of operations includes performing at least one operation of a second set of operations for only a former of the first bearer and the second bearer; the second operation set comprises suspending, reestablishing and releasing, and the target bearing is the first bearing.
  7. 7. The first node of claim 5, wherein the first node, The first set of operations includes performing at least one operation of a second set of operations for only a former of the first bearer and the second bearer; the second operation set comprises suspending, reestablishing and releasing, and the target bearing is the first bearing.
  8. 8. The first node of claim 1, wherein the first node, Whether the first set of operations includes initiating a random access is related to whether the target bearer is the first bearer or the second bearer, when the target bearer is the first bearer, the first set of operations includes initiating a random access procedure, and when the target bearer is the second bearer, the first set of operations does not include initiating a random access procedure.
  9. 9. The first node of claim 5, wherein the first node, Whether the first set of operations includes initiating a random access is related to whether the target bearer is the first bearer or the second bearer, when the target bearer is the first bearer, the first set of operations includes initiating a random access procedure, and when the target bearer is the second bearer, the first set of operations does not include initiating a random access procedure.
  10. 10. The first node of claim 7, wherein the first node, Whether the first set of operations includes initiating a random access is related to whether the target bearer is the first bearer or the second bearer, when the target bearer is the first bearer, the first set of operations includes initiating a random access procedure, and when the target bearer is the second bearer, the first set of operations does not include initiating a random access procedure.
  11. 11. The first node of claim 1, comprising: the first receiver receives a second signaling and starts a first timer as a response to receiving the second signaling; The first timer is in an operation state when the first receiver detects that a target bearer failure is executed, the second signaling comprises a first domain, the first domain is reconfigurationWithSync, the first domain is used for indicating path conversion for the second bearer, the target bearer is the first bearer, and the first timer is a timer except T304.
  12. 12. A first node according to claim 3, comprising: the first receiver receives a second signaling and starts a first timer as a response to receiving the second signaling; The first timer is in an operation state when the first receiver detects that a target bearer failure is executed, the second signaling comprises a first domain, the first domain is reconfigurationWithSync, the first domain is used for indicating path conversion for the second bearer, the target bearer is the first bearer, and the first timer is a timer except T304.
  13. 13. The first node of claim 1, comprising: The first receiver starts a first timer as a response of receiving the second sub-signaling, suspends a third bearer and configures the second bearer; The first set of operations includes at least one of suspending the second bearer, releasing the second bearer, reestablishing the second bearer, the first signaling including first, second and third sub-signaling, the first sub-signaling being used to configure the first bearer, the third sub-signaling being used to configure the third bearer, the second sub-signaling being used to configure the second bearer, the third bearer being associated with a second relay, the second relay being one L2U 2N relay UE, the first relay being different from the second relay, the third bearer being associated with the first cell group, the target bearer being the second bearer, the second sub-signaling including a first domain, the first domain being ReconfigurationWithSync, the first domain being used to indicate a path switch for the third bearer, the first timer being the out-of-target timer 304, the first timer being the timer for detecting expiration of the first timer.
  14. 14. The first node of claim 1, comprising: the first receiver receiving third signaling, the third signaling being used to indicate path switching for the target bearer; Wherein the first set of operations includes performing the third signaling, the third signaling received earlier than a target bearer failure was detected, the target bearer being the first bearer, the third signaling being used to indicate a transition from a direct path to an indirect path.
  15. 15. The first node of claim 1, comprising: The first receiver receives fourth signaling, wherein the fourth signaling is used for configuring a fourth bearer, and the configuring of the fourth bearer comprises setting the fourth bearer to be in an inactive state; the first operation set comprises activating the fourth bearer, the first operation set comprises at least one of suspending the second bearer, deactivating the second bearer and releasing the second bearer, and the target bearer is the second bearer.
  16. 16. The first node of claim 1, wherein the first node, The first bearer is a direct path and the second bearer is a non-direct path.
  17. 17. The first node of claim 2, wherein the first node, The first bearer is a direct path and the second bearer is a non-direct path.
  18. 18. The first node of claim 5, wherein the first node, The first bearer is a direct path and the second bearer is a non-direct path.
  19. 19. The first node of claim 8, wherein the first node, The first bearer is a direct path and the second bearer is a non-direct path.
  20. 20. A method in a first node for wireless communication, comprising: Receiving a first signaling, wherein the first signaling is used for configuring a first bearer and a second bearer, and the first bearer and the second bearer are both associated with a first cell group; In response to detecting a failure of a target bearer, performing a first set of operations, the first set of operations relating to whether the target bearer is the first bearer or the second bearer; wherein the second bearer is associated with a first relay, the first relay being an L2U 2N relay UE, wherein when the target bearer is the first bearer, the first set of operations includes at least one of sending an RRC message and receiving an RRC message, the first set of operations includes at least one of cell selection and relay selection, and when the target bearer is the second bearer, the first set of operations includes sending first information, the first information being used to indicate that the target bearer is failed.

Description

Method and apparatus for wireless communication Technical Field The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a method and apparatus for optimizing a network in communication, improving service quality, relaying communication, and the like. Background Future wireless communication systems have more and more diversified application scenes, and different application scenes have different performance requirements on the system. To meet the different performance requirements of various application scenarios, a New air interface technology (NR) is decided to be researched in 3GPP (3 rd Generation Partner Project, third Generation partnership project) RAN (Radio Access Network ) #72 full-time, and a standardization Work for NR is started in 3GPP RAN #75 full-time with NR's WI (Work Item). In Communication, both LTE (Long Term Evolution ) and 5G NR can be involved in reliable accurate reception of information, optimized energy efficiency ratio, determination of information validity, flexible resource allocation, scalable system structure, efficient non-access layer information processing, lower service interruption and disconnection rate, support for low power consumption, which is important for normal Communication of base stations and user equipments, reasonable scheduling of resources, balancing of system load, so-called high throughput, meeting Communication requirements of various services, improving spectrum utilization, improving base stone of service quality, whether eMBB (ehanced Mobile BroadBand, enhanced mobile broadband), URLLC (Ultra Reliable Low Latency Communication, ultra-high reliability low-latency Communication) or eMTC (ENHANCED MACHINE TYPE Communication ) are indispensable. Meanwhile, in the internet of things in the industrial field IIoT (Industrial Internet of Things), in V2X (vehicle to X) communication (Device to Device) between devices, in communication of unlicensed spectrum, in user communication quality monitoring, in network planning optimization, in NTN (Non Territerial Network, non-terrestrial network communication), in TN (TERRITERIAL NETWORK, terrestrial network communication), in dual connectivity (Dual connectivity) system, in radio resource management and codebook selection of multiple antennas, there is a wide demand in signaling design, neighbor management, service management, and beamforming, and the transmission modes of information are both broadcast and unicast, and are both indispensable for 5G system, because they are very helpful to meet the above demands. With the increasing of the scene and complexity of the system, the system has higher requirements on reducing the interruption rate, reducing the time delay, enhancing the reliability, enhancing the stability of the system, and the flexibility of the service, and saving the power, and meanwhile, the compatibility among different versions of different systems needs to be considered in the system design. The 3GPP standardization organization performs related standardization work for 5G to form a series of standards, and the standard content can be referred to: https://www.3gpp.org/ftp/Specs/archive/38_series/38.211/38211-g60.zip https://www.3gpp.org/ftp/Specs/archive/38_series/38.213/38213-g60.zip https://www.3gpp.org/ftp/Specs/archive/38_series/38.331/38331-g60.zip Disclosure of Invention In various communication scenarios, the use of relay may be involved, for example, when one UE (User Equipment) is at the cell edge and coverage is poor, the network may be accessed through the relay, and the relay node may be another UE. The relay mainly comprises a layer 3 relay and a layer 2 relay (L2U 2N relay), which are used for providing network access service for a remote node (U2N remote UE) through a relay node, wherein the layer 3 relay is transparent to the access network, namely the remote UE only establishes connection with a core network, the access network cannot identify whether data come from the remote node or the relay node, and the layer 2 relay, the remote node (U2N remote UE) and the access network (RAN) are provided with RRC connection, the access network can manage the remote node, and a radio bearer can be established between the access network and the remote node. The relay may be another UE, and in a system supporting layer 2 relay, the UE may communicate with the network through an L2 relay UE (L2U 2N relay UE), even if an indirect path (INDIRECT PATH) is used, or may communicate with the network directly without relay, even if a direct path (DIRECT PATH) is used. In some scenarios, one UE may use both the direct path and the indirect path to achieve better reliability and higher throughput. The direct path and the indirect path are different in terms of radio resource management and network optimization. The direct and indirect paths, one not using relays and one using relays, may provide traffic for multiple nodes, s