Millimeter-Wave Antenna Codebook Generation for Power-Saving Beamforming

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Solution Overview

Problem

Existing millimeter-wave modules lack customized codebook designs, leading to suboptimal performance and power saving effects due to the use of black-box algorithms, resulting in standard format codebooks.

Innovation Solution

A method to generate an optimized codebook by collecting electric field information from multiple antenna units, generating full and sub chain codebooks, and applying power saving or cumulative distribution function algorithms to maximize performance while considering power saving.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a black-box codebook algorithm template is used, then codebook generation is simplified, but customization and performance optimization are lost

Engineering Contradiction:

Improvecodebook generation simplicityVSAvoidcodebook customization capability

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The codebook is segmented into multiple chains (full chain codebook, sub chain codebook) based on different antenna units and feed points. This segmentation allows customized generation of codebook entries for different antenna configurations while maintaining an organized structure that can be systematically processed, resolving the contradiction between simplicity and customization.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system performs self-measurement and self-generation of codebook data by activating feed points and collecting electric field information automatically. This eliminates the need for external black-box algorithms while enabling full customization, as the system generates its own optimized codebook based on actual antenna characteristics.

Inventive Principle:

Principle #25Self-service

2Adaptability or versatility

If a standard format codebook is used, then compatibility is maintained, but performance and power saving optimization are limited

Engineering Contradiction:

Improvecodebook format compatibilityVSAvoidtransmission throughput

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The codebook generation process changes key parameters including electric field information collection from multiple antenna units, application of power saving algorithms to optimize power consumption, and use of cumulative distribution function 50% gain loss algorithms to optimize throughput. These parameter changes create a customized codebook that maintains compatibility while achieving performance optimization.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The codebook is dynamically optimized by applying different algorithms (power saving algorithm, cumulative distribution function 50% gain loss algorithm) to different codebook chains based on specific performance requirements. This dynamic approach allows the system to adjust codebook characteristics to maximize either power saving or transmission throughput depending on operational needs.

Inventive Principle:

Principle #15Dynamics

3Reliability

If all antenna units are activated for codebook generation, then complete coverage is achieved, but power consumption increases

Engineering Contradiction:

Improvebeam coverage completenessVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The antenna array is segmented into multiple antenna units with multiple feed points each. The codebook generation process systematically activates feed points within each antenna unit to collect electric field information. This segmentation allows complete coverage to be achieved through structured activation patterns rather than simultaneous activation of all units, reducing peak power consumption.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Feed points are activated in a periodic or sequential manner rather than simultaneously. The system activates feed points based on the codebook algorithm template, collecting electric field information through systematic periodic activation. This periodic action ensures complete coverage is achieved while spreading power consumption over time, reducing instantaneous power requirements.

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS12562790B2Codebook generation method and electronic apparatus

Publication Date: 2026.02.24 ASUSTEK COMPUTER INC

AI summary

A codebook generation method and an electronic apparatus are provided. The codebook generation method includes: collecting a plurality of pieces of electric field information of a plurality of antenna units in at least one millimeter-wave antenna module based on an initial codebook; correspondingly generating a full chain codebook (Full Chain Codebook) based on the electric field information; then, extendedly generating a sub chain codebook (Sub Chain Codebook) based on the full chain codebook; and finally generating, based on the full chain codebook and the sub chain codebook, an optimized codebook (Optimized Codebook) by using a power saving algorithm or a cumulative distribution function 50% gain loss algorithm. Therefore, the electronic apparatus using the optimized codebook is more excellent in power saving efficiency and overall efficiency performance.