Antenna System with Phase-Shift Network for 3D Coverage

Solution Overview

Problem

The existing antenna systems require multiple antennas to achieve three-dimensional coverage, leading to high costs and difficulties in deployment and maintenance due to the need for diverse coverage areas in complex network environments.

Innovation Solution

An antenna system incorporating a power-split phase-shift network module that controls the amplitude and phase of radio frequency signals to form specific beams for three-dimensional building and ground region coverage, allowing a single antenna to cover both areas effectively.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple antennas are deployed to achieve three-dimensional coverage, then coverage capability is improved, but system cost and deployment complexity increase

Engineering Contradiction:

Improvecoverage capabilityVSAvoidsystem complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies multi-functionality by enabling a single antenna to perform multiple coverage functions simultaneously. The antenna system can generate different beam patterns (omnidirectional, sector, and directional beams) using the same physical antenna structure, eliminating the need for multiple specialized antennas while maintaining comprehensive three-dimensional coverage capability

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent implements dynamics through electronically controllable beamforming that allows real-time switching between different radiation patterns. By dynamically adjusting phase and amplitude of signals across antenna elements, the system can adapt its coverage pattern according to different service scenarios without physical reconfiguration or additional hardware

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If multiple antennas are deployed to achieve three-dimensional coverage, then coverage capability is improved, but deployment and maintenance difficulty increase

Engineering Contradiction:

Improvecoverage capabilityVSAvoiddeployment ease

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent applies multi-functionality by enabling a single antenna to perform multiple coverage functions simultaneously. The antenna system can generate different beam patterns (omnidirectional, sector, and directional beams) using the same physical antenna structure, eliminating the need for multiple specialized antennas while maintaining comprehensive three-dimensional coverage capability

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple coverage functions into a single integrated antenna system. By merging omnidirectional coverage, sector coverage, and directional building coverage capabilities into one antenna array with electronic beamforming, the system simplifies deployment to a single antenna location while maintaining the functional equivalent of multiple antennas

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If multiple antennas are deployed to achieve three-dimensional coverage, then coverage capability is improved, but cost increases

Engineering Contradiction:

Improvecoverage capabilityVSAvoidantenna quantity

Core Design Contradiction:

Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The patent applies multi-functionality by enabling a single antenna to perform multiple coverage functions simultaneously. The antenna system can generate different beam patterns (omnidirectional, sector, and directional beams) using the same physical antenna structure, eliminating the need for multiple specialized antennas while maintaining comprehensive three-dimensional coverage capability

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple coverage functions into a single integrated antenna system. By merging omnidirectional coverage, sector coverage, and directional building coverage capabilities into one antenna array with electronic beamforming, the system reduces antenna quantity from multiple units to a single multi-functional antenna while maintaining equivalent coverage performance

Inventive Principle:

Principle #5Merging (Combining)

4Measurement precision

If different antennas are used for basic coverage and three-dimensional building coverage, then coverage precision is improved, but system complexity increases

Engineering Contradiction:

Improvecoverage precisionVSAvoidantenna system complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies local quality by enabling different radiation patterns from the same antenna system tailored to specific spatial regions. The electronic beamforming can direct focused beams toward three-dimensional buildings requiring precise coverage while maintaining broader omnidirectional patterns for general ground coverage, achieving region-specific optimization without hardware differentiation

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent applies multi-functionality by enabling a single antenna to perform multiple coverage functions simultaneously. The antenna system can generate different beam patterns (omnidirectional, sector, and directional beams) using the same physical antenna structure, eliminating the need for multiple specialized antennas while maintaining comprehensive three-dimensional coverage capability

Inventive Principle:

Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution reduces the need for multiple antennas, lowering costs and simplifying deployment and maintenance by enabling a single antenna to provide comprehensive three-dimensional coverage with optimized beam directions and widths for both building and ground regions.

Implementation Method 1

a power-split phase-shift network module, configured to control an amplitude and a phase of each radio frequency signal in the antenna module

Methodology Applied

Scientific EffectPhase shift:

Implementation Method 2

control parameters for controlling an amplitude and a phase of each first radio frequency signal are configured according to a beam pointing direction and a beam width

Methodology Applied

Scientific EffectBeam forming:

Data Source

PatentUS10205236B2Antenna system

Publication Date: 2019.02.12 HUAWEI TECH CO LTD

AI summary

The present invention discloses an antenna system, where the antenna system includes an antenna module, configured to: receive and/or transmit at least one first radio frequency signal, and at least one second radio frequency signal; a power-split phase-shift network module, configured to control an amplitude and a phase of each radio frequency signal in the antenna module, where control parameters for controlling an amplitude and a phase of each first radio frequency signal are configured according to a beam pointing direction and a beam width that are required by a three-dimensional building region, and control parameters for controlling an amplitude and a phase of each second radio frequency signal are configured according to a beam pointing direction and a beam width that are required by a ground region. Therefore, a problem of high costs and difficulty in obtaining an antenna site and maintaining an antenna is resolved.