FR2 Sidelink Beam Measurement for Directional Congestion Control
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Solution Overview
Problem
In FR2 frequency band communication systems, channel congestion varies by direction due to beam directivity, necessitating improved methods to adjust beam channel congestion for enhanced communication quality.
Innovation Solution
A beam measurement method that determines channel occupancy and busy ratios for multiple beams, selecting a suitable beam based on these ratios and RSRP, ensuring only qualified beams are used for information transmission, and allowing multiple beams to share communication tasks when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If beam-based channel measurement is performed in FR2 frequency band, then channel congestion control accuracy is improved, but measurement complexity increases
Solution Approach 1:
The patent segments the channel measurement process by beam, dividing the overall measurement into multiple beam-specific measurements. Each beam's channel occupancy ratio and channel busy ratio are measured independently, allowing precise directional congestion control while managing complexity through structured segmentation of the measurement space.
2Reliability
If multiple beams are used for information transmission, then communication reliability is improved, but resource allocation complexity increases
Solution Approach 1:
The patent applies local quality by selecting different beams based on their specific channel conditions. Each beam's quality (channel occupancy ratio and channel busy ratio) is evaluated locally, and transmission resources are allocated to beams with better local conditions, thereby improving overall communication reliability while managing complexity through localized decision-making.
Data Source
AI summary
A beam measurement method, an apparatus, and a system, which are applicable to an FR2 sidelink communication system. The beam measurement method includes: determining a channel occupancy ratio and a channel busy ratio of each of N beams, where N is a positive integer greater than or equal to 1; determining a first beam from the N beams based on the channel occupancy ratio and the channel busy ratio of each beam; and sending first sidelink information by using the first beam. In the method, channel measurement is performed on each beam, to determine the channel occupancy ratio and the channel busy ratio of each beam and further select a beam used for information transmission. Channel statuses of beams in different directions can be distinguished, thereby improving channel measurement accuracy.