UE Relay Target Selection Using Signal Strength Thresholds
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Solution Overview
Problem
In UE to UE relay scenarios, existing technologies face challenges in determining suitable target UEs for relay communication due to the inability to accurately assess signal strength and establish effective sidelink connections.
Innovation Solution
A method involving signal strength measurement and threshold-based determination is employed by UEs to identify target UEs, utilizing sidelink discovery signals and relay service codes to establish reliable UE to UE relay communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If signal strength measurement is performed to determine target UE, then communication reliability is improved, but measurement time and processing complexity increase
Solution Approach 1:
The patent applies preliminary action by pre-configuring threshold values and time periods before the relay selection process. The first threshold and first time period are established in advance, allowing the relay UE to quickly determine target UEs without performing complex real-time measurements, thus improving reliability while reducing measurement time.
Solution Approach 2:
The patent changes the measurement parameters by using signal strength thresholds and time period criteria instead of continuous signal monitoring. By transforming the determination process into a threshold-based evaluation with predefined time windows, the system achieves reliable target UE identification with reduced processing time and complexity.
2Adaptability or versatility
If multiple UEs are evaluated for relay function, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent segments the UE evaluation process into distinct phases: identifying neighboring UEs, measuring signal strength, evaluating threshold conditions, and determining target UE status. This segmentation allows the relay UE to systematically assess multiple candidates without overwhelming complexity, improving adaptability through structured evaluation.
Solution Approach 2:
The patent introduces threshold values and time periods as intermediary criteria that mediate between the relay UE and potential target UEs. These intermediaries simplify the decision-making process by providing clear acceptance/rejection criteria, enabling the system to adaptively select target UEs without increasing operational complexity.
Data Source
AI summary
A method for target user equipment (UE) determination in a UE to UE relay scenario is performed by a first UE. The method includes: measuring signal strength between the first UE and a second UE; and determining that the second UE with the signal strength meeting a first condition is able to be a target UE.