Beamforming Codebook Adaptation for Wireless Frequency Alignment

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Solution Overview

Problem

Wireless communications systems face inefficiencies in beamforming performance due to devices operating at different default operating frequencies, leading to array gain deterioration and poor communications efficiency.

Innovation Solution

Implementing beamforming parameter adaptation techniques by having wireless devices receive capability messages from other devices, select codebook parameters based on these messages, and adjust their operating frequencies to a system default, thereby improving beamforming efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If wireless devices operate at different default operating frequencies, then each device can operate at its own optimal frequency, but beamforming array gain deteriorates and communication efficiency decreases

Engineering Contradiction:

Improvefrequency adaptabilityVSAvoidbeamforming performance

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent changes the operating frequency parameter of wireless devices to match a common system default frequency. The serving wireless device determines a default operating frequency for the system and adapts codebook parameters accordingly, causing all devices to operate at the same frequency to maintain beamforming array gain and communication reliability

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent establishes a universal system default operating frequency that all wireless devices in the system adopt. This universal frequency enables the beamforming system to function effectively across all devices, ensuring consistent performance and interoperability while maintaining the ability to adapt to different device capabilities

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If wireless devices use different default operating frequencies, then device diversity is maintained, but communication throughput and reliability deteriorate

Engineering Contradiction:

Improvedevice frequency diversityVSAvoidcommunication throughput

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent changes the operating frequency parameter from device-specific values to a unified system default frequency. The serving device determines the system default frequency and adapts codebook parameters, ensuring all devices communicate at the same frequency to maximize throughput and reliability

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent merges the operating frequencies of all wireless devices to a common system default frequency. This consolidation ensures that all devices operate in sync, improving communication efficiency, throughput, and reliability while maintaining device diversity through capability messaging

Inventive Principle:

Principle #5Merging (Combining)

3Ease of operation

If beamforming parameters are not adapted to a common frequency, then device independence is preserved, but array gain deteriorates

Engineering Contradiction:

Improvedevice independenceVSAvoidarray gain

Core Design Contradiction:

Ease of operationVSLoss of energy

Solution Approach 1:

The patent changes the beamforming parameters (codebook parameters) to correspond to a common system default operating frequency. The serving device determines this frequency and adapts the parameters accordingly, ensuring all devices use consistent beamforming settings to maximize array gain while preserving operational simplicity

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent implements feedback through capability messages exchanged between devices. The serving device receives capability information from other devices, determines the appropriate system default frequency based on this feedback, and adapts beamforming parameters accordingly, balancing device independence with array gain optimization

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS12335935B2Beamforming parameter adaptation techniques for wireless communications systems

Publication Date: 2025.06.17 QUALCOMM INC

AI summary

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for beamforming parameter adaptation techniques. In one aspect, a first wireless device may receive a capability message from at least a second wireless device in a wireless communications system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both. That is, the second wireless device may transmit the capability message. The first wireless device may transmit, and at least the second wireless device may receive, an indication of the one or more codebook parameters. The one or more codebook parameters may indicate a default operating frequency for the wireless communications system. The first wireless device and the second wireless device may communicate with at least the second wireless device in accordance with the one or more codebook parameters.