User Equipment, Access Network Node, and Methods Implemented Thereby - Patent application
By preconfiguring the link resources for user equipment (UE) in a non-terrestrial network and transmitting configuration information between the UE and the access network node, the resource configuration invalidity caused by frequent cell replacement in NTN is solved, and more efficient data transmission and lower power consumption are achieved.
Patent Information
- Application Number
- JP2024550899
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-03-18
- Filing Date
- 2023-03-06
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2043-03-06
AI Technical Summary
The prior art When configuring link resources on user equipment (UE) in non-terrestrial networks (NTNs), it faces the problems of signaling delay and increased power consumption, especially in satellite and unmanned aerial vehicle systems (UAS). Due to the short coverage time, UE needs to frequently replace cells, resulting in invalid configuration resources.
By transmitting configuration information between the UE and the access network node, the UE receives and verifys whether the preconfigured upper link resources are valid in the RRC idle state, ensuring that the resources are effectively used within the coverage range. Specific measures include: 1) The UE receives configuration information and verifys its effectiveness; 2) On new cells, use the previous configuration information to continue to use the pre-configured upper link resources; 3) During satellite coverage, maintain the validity of the configuration information and pauses the relevant timer when it is covered.
It effectively solves the problem of resource configuration invalidity caused by frequent UE replacement of cells in NTN, reduces UE's power consumption and network load, and improves the efficiency and reliability of data transmission.