Operation method of UE (User Equipment) related to RRC (Radio Resource Control) reconfiguration under multipath relay operation in wireless communication system
By implementing the RRC connection between the remote UE and the BS and the relay UE in the wireless communication system, and reporting the ID and measurement results of the candidate relay UE when the RLF occurs, the problem related to RRC reconfiguration in multipath relay operation is solved, and the recovery speed and reliability of the system are improved.
CN119856568APending Publication Date: 2025-04-18LG ELECTRONICS INC
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Patent Information
- Application Number
- CN202380065631.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-09-13
- Filing Date
- 2023-09-13
- Publication Date
- 2025-04-18
AI Technical Summary
Technical Problem
In multipath relay operations, the RRC reconfiguration-related issues have not been effectively resolved.
Method used
The remote UE establishes an RRC connection with the base station (BS) and establishes a PC5 RRC connection with the relay UE. The remote UE sends data to the BS through a direct or indirect path, detects a radio link failure (RLF), and reports RLF to the BS. Based on the occurrence of RLF on the indirect path, the remote UE reports the ID of at least one candidate relay UE and its measurement results.
Benefits of technology
By quickly reporting measurement results of candidate paths, it helps to achieve rapid recovery and improves system reliability and efficiency.
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Figure CN119856568A_ABST
Abstract
One embodiment relates to an operation method of a remote user equipment (UE) related to multipath relay in a wireless communication system, the method comprising the steps of: establishing a radio resource control (RRC) connection with a base station by the remote UE; establishing a PC5RRC connection with the relay UE; sending data to the base station through the direct path and / or the indirect path; detecting a radio link failure (RLF); and reporting the RLF to the base station. Wherein, based on the occurrence of the RLF on the indirect path, the remote UE reports the ID of the one or more candidate relay UEs and the measurement results for the one or more candidate relay UEs to the base station along with the RLF report.
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