Wireless Sounding Feedback for dRU Subcarrier Rate Limits
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Solution Overview
Problem
Distributed RU (dRU) mode in wireless communication systems results in a relatively low transmission rate due to inconsecutive subcarriers, which limits the efficiency of channel state feedback and data transmission.
Innovation Solution
A wireless communication method and device that initiates dRU-based sounding feedback using a first frame to enhance channel state information acquisition, allowing for higher transmit power and improved spectral efficiency by utilizing inconsecutive subcarriers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If dRU mode with inconsecutive subcarriers is used, then transmit power can be increased, but transmission rate becomes relatively low
Solution Approach 1:
The patent dynamically switches between dRU-based sounding feedback and rRU-based sounding feedback modes based on channel conditions and transmission requirements. The system can adaptively select the appropriate RU type and feedback mechanism to balance transmit power efficiency and data transmission rate, resolving the contradiction between power increase and rate maintenance.
2Measurement precision
If dRU-based sounding feedback is used, then channel state information accuracy is improved, but system complexity increases
Solution Approach 1:
The patent segments the sounding feedback mechanism into distinct modes (dRU-based and rRU-based), each optimized for specific scenarios. By dividing the feedback system into manageable segments with clear selection criteria, the patent reduces overall system complexity while maintaining measurement precision through appropriate mode selection.
Solution Approach 2:
The system dynamically adapts between different sounding feedback modes based on channel conditions, device capabilities, and transmission requirements. This dynamic adaptation allows the system to maintain high channel state information accuracy when needed while avoiding unnecessary complexity in scenarios where simpler mechanisms suffice.
3Productivity
If inconsecutive subcarriers are utilized, then spectral efficiency is improved, but transmission reliability decreases
Solution Approach 1:
The patent changes key parameters including RU type (dRU vs rRU), feedback mechanism, and subcarrier allocation based on channel conditions and transmission requirements. By dynamically adjusting these parameters, the system can optimize spectral efficiency through dRU while maintaining transmission reliability through appropriate feedback and adaptation mechanisms.
Solution Approach 2:
The system dynamically switches between dRU and rRU modes based on real-time channel conditions and transmission requirements. This dynamic adaptation allows the system to exploit the spectral efficiency benefits of inconsecutive subcarriers when conditions permit while falling back to more reliable consecutive subcarrier modes when transmission reliability is paramount.
Data Source
AI summary
A wireless communication method is provided. The method includes: transmitting, by a first device, a first frame to a second device. A communication device is provided. The communications device is a first device, and the communications device comprises a memory and a processor, where the memory is configured to store a computer program and the processor is configured to execute the computer program stored in the memory to cause the communication device to perform an operation of: transmitting a first frame to a second device.