Beamforming Sounding Feedback Using System-Parameter-Aware Matrices

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Solution Overview

Problem

Existing wireless communications systems face challenges in achieving optimal beamforming sounding feedback due to unknown reasons, leading to suboptimal communication performance.

Innovation Solution

A method and apparatus that perform beamforming sounding feedback in a system-parameter-aware manner by checking system parameters, generating optimized beamforming feedback matrices using predetermined mapping rules, and sending these matrices for improved communication performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional beamforming feedback is used without system parameter awareness, then the system architecture remains simple, but communication performance is suboptimal

Engineering Contradiction:
Improvecommunication performanceVSAvoidsystem architecture complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by modifying the beamforming feedback matrix based on system parameters. The access point checks multiple system parameters (such as channel conditions, interference levels, and signal quality metrics) and adjusts the beamforming feedback matrix accordingly to optimize communication performance for different system states

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent implements preliminary action by having the access point check system parameters before generating the beamforming feedback matrix. This preliminary parameter checking and matrix optimization ensures that the beamforming feedback is pre-adjusted to match current system conditions, improving communication reliability before data transmission begins

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If beamforming feedback is optimized based on system parameters, then receiver sensitivity improves, but processing complexity increases

Engineering Contradiction:
Improvereceiver sensitivityVSAvoidprocessing complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent optimizes receiver sensitivity by dynamically adjusting the beamforming feedback matrix based on checked system parameters. The access point modifies matrix elements according to parameter values, enabling precise beamforming that enhances signal reception quality and receiver sensitivity

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent implements feedback mechanisms where the access point checks system parameters, generates optimized beamforming feedback matrices, and sends these matrices to stations. The stations use this feedback to adjust their transmission, creating a closed-loop system that continuously optimizes receiver sensitivity based on real-time parameter monitoring

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12537581B2Method for performing beamforming sounding feedback in system-parameter-aware manner, and associated apparatus
Publication Date: 2026.01.27 MEDIATEK INC
  • US12537581B2 patent drawing
  • US12537581B2 patent drawing
  • US12537581B2 patent drawing

AI summary

A method for performing beamforming sounding feedback in a system-parameter-aware manner and associated apparatus are provided. The method applicable to a wireless transceiver device within a wireless communications system may include: checking a plurality of system parameters of the wireless communications system to generate a plurality of checking results of the plurality of system parameters, respectively, wherein any checking result among the plurality of checking results indicates a current value of a corresponding system parameter among the plurality of system parameters; modifying a first beamforming feedback matrix according to the plurality of checking results to generate a second beamforming feedback matrix; and sending beamforming sounding feedback information carrying the second beamforming feedback matrix to another device within the wireless communications system, for further processing of the other device.