Reference Beam Selection for Efficient 6G Frequency Allocation
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing and allocating frequency resources for multiple access systems, particularly in advanced communication technologies like 6G, which require improved beam management and resource allocation to support diverse usage scenarios and increased frequency bands.
Innovation Solution
The method involves measuring and selecting reference beams using a first or second scheme, where the first scheme transmits N beams with an offset at different times and the second scheme uses 2N beams with half the frequency spacing between adjacent beams, enabling efficient frequency resource allocation and improved communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional single-beam transmission is used, then device complexity is reduced, but frequency resource allocation efficiency deteriorates
Solution Approach 1:
The patent divides the frequency spectrum into multiple frequency resources and transmits multiple reference beams (N beams in first scheme, 2N beams in second scheme) across different frequency resources simultaneously or sequentially. This segmentation allows the base station to allocate frequency resources more efficiently by matching users with appropriate beams and frequency resources, resolving the contradiction between improved resource allocation efficiency and increased beam management complexity through structured organizational methods.
2Measurement precision
If multiple reference beams are transmitted with small frequency spacing, then beam selection precision is improved, but frequency resource consumption increases
Solution Approach 1:
The patent implements a two-stage beam selection process: first transmitting N reference beams with larger frequency spacing for coarse beam selection, then transmitting additional beams with smaller frequency spacing (half of original) only in the selected frequency resource for fine beam selection. This partial action approach achieves high beam selection precision while minimizing frequency resource consumption by applying fine-grained beam testing only where needed rather than across the entire spectrum.
3Productivity
If reference beams are transmitted at the same frequency resource, then frequency resource utilization is improved, but beam measurement accuracy deteriorates
Solution Approach 1:
The patent segments reference beam transmissions across multiple frequency resources, with each reference beam assigned to a different frequency resource (first frequency resource, second frequency resource, etc.). This segmentation eliminates mutual interference between reference beams, allowing accurate beam measurement while maintaining high frequency resource utilization through parallel transmissions. The structured frequency division ensures that multiple beams can be measured simultaneously without degrading measurement accuracy.
Data Source
AI summary
Provided are a method for operating a device in a wireless communication system, and a device using the method. The method comprises: measuring a plurality of reference beams; selecting at least one beam from among the plurality of reference beams; and communicating with a base station using the at least one selected beam, wherein the plurality of reference beams are beams transmitted according to a first scheme or a second scheme. In the first scheme, N (N is a natural number greater than or equal to two) reference beams are transmitted at a first transmission time, and an offset is applied to the N reference beams at a second transmission time. In the second scheme, 2N reference beams are transmitted, wherein a second frequency interval between adjacent beams of the 2N reference beams is half a first frequency interval between adjacent beams of the N reference beams.