UE-Initiated Beam Reporting for Quality-Based UL Grant Prioritization
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Solution Overview
Problem
Existing wireless communication systems face challenges in managing beam reporting efficiently, leading to outdated beam information and unnecessary reporting overhead, which can result in performance degradation due to outdated or excessive beam reporting.
Innovation Solution
Implementing a UE-initiated beam reporting mechanism that allows the user equipment to determine when to prioritize beam reporting based on quality, ensuring timely and reduced reporting by considering ongoing procedures and UL grant limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the UE transmits beam reporting information for all candidate cells via UL grant, then the network receives complete beam information, but the reporting overhead increases when UL grant cannot accommodate all information
Solution Approach 1:
The patent extracts and transmits only the most critical beam reporting information that fits within the UL grant constraints. When the UL grant cannot accommodate all candidate cell information, the UE selectively extracts and prioritizes essential beam reporting data for transmission, leaving non-critical information for subsequent reporting opportunities.
Solution Approach 2:
The patent implements partial action by transmitting a subset of beam reporting information when resources are limited. The UE determines whether to prioritize information based on quality metrics and transmission conditions, sending only the necessary portion of beam reporting data that can be accommodated within the available UL grant resources.
2Reliability
If the UE prioritizes beam reporting information based on quality, then the network receives relevant beam information, but the complexity of determining priority increases
Solution Approach 1:
The patent changes the parameter of information selection from arbitrary or sequential to quality-based prioritization. The UE evaluates beam reporting information using quality metrics (such as RSRP, SINR, or other beam quality measurements) and prioritizes transmission based on these parameter values, ensuring that the most relevant beam information is sent first.
Solution Approach 2:
The patent implements self-service by enabling the UE to autonomously determine the priority of beam reporting information based on its own measurements and assessments of beam quality. The UE independently evaluates which candidate cells have the most relevant beam information and prioritizes their transmission without requiring complex external coordination or control.
3Loss of information
If the UE transmits beam reporting frequently, then the network receives up-to-date beam information, but the reporting overhead and latency increase
Solution Approach 1:
The patent implements periodic action by transmitting beam reporting information at optimized intervals rather than continuously or excessively frequently. The UE determines appropriate reporting timing based on beam quality changes, transmission conditions, and network requirements, sending updates only when necessary to maintain information freshness while avoiding unnecessary transmissions.
Data Source
AI summary
Methods, systems, and apparatuses are provided for handling User Equipment (UE)-initiated beam reporting in a wireless communication system, wherein a method of a UE comprises triggering a UE-initiated beam reporting associated with multiple candidate cells, and determining, when an Uplink (UL) grant cannot accommodate all of one or more information associated with the multiple candidate cells for the UE-initiated beam reporting, whether to prioritize an information of a candidate cell of the multiple candidate cells to be transmitted via the UL grant based on at least a quality associated with the candidate cell.