Antenna Coupling Module for Multi-Module Wireless Sharing

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Solution Overview

Problem

Wireless communication devices face challenges in accommodating multiple communication modules within a limited space due to the need for separate antennas for each module, which increases size and complexity while failing to efficiently share frequency bands and throughput.

Innovation Solution

An antenna circuit with a coupling module that allows multiple communication modules to share an antenna without interference, using spatial, electrical, or electrical direct connection plus isolation coupling methods, enabling simultaneous signal transmission and reducing the number of required antennas.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate antennas are configured for each communication module, then each module can operate independently without interference, but the device size and space occupation increase significantly

Engineering Contradiction:

Improvecommunication module independenceVSAvoiddevice space occupation

Core Design Contradiction:

ReliabilityVSArea of stationary object

Solution Approach 1:

Multiple communication modules share a common antenna through a coupling module, merging previously separate antenna resources into a shared resource that serves multiple modules simultaneously

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

A coupling module is introduced as an intermediary component between the antenna and multiple communication modules, enabling signal routing and isolation to prevent interference while allowing shared antenna usage

Inventive Principle:

Principle #24Intermediary (Mediator)

2Area of stationary object

If multiple communication modules share a common antenna, then device space is reduced, but signal interference between modules occurs

Engineering Contradiction:

Improvedevice space occupationVSAvoidsignal interference

Core Design Contradiction:

Area of stationary objectVSObject-generated harmful factors

Solution Approach 1:

The coupling module acts as an intermediary that provides signal isolation and routing functions, preventing harmful interference between modules while enabling shared antenna access

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The coupling module segments the shared antenna resource into isolated signal paths for different communication modules, allowing simultaneous operation without interference through spatial or electrical separation

Inventive Principle:

Principle #1Segmentation

3Adaptability or versatility

If more antennas are added to meet diverse communication requirements, then communication capabilities are enhanced, but device weight and complexity increase

Engineering Contradiction:

Improvecommunication capabilityVSAvoidantenna system complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A single antenna system is designed to serve multiple communication modules with different functions (2G/3G/4G wireless communication, GPS positioning, WIFI, FM, NFC), making the antenna universal for diverse communication needs

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

Multiple communication functions that previously required separate antennas are merged into a single shared antenna system, reducing overall system complexity while maintaining all communication capabilities

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS11184038B2Antenna circuit, coupling module for antenna switching, and wireless communication device

Publication Date: 2021.11.23 ZTE CORP

AI summary

Disclosed are an antenna circuit, a coupling module for antenna switching, and a wireless communication device. The antenna circuit includes: an antenna, a coupling module and at least two communication modules, wherein the coupling module is electrically connected to the at least two communication modules and is capable of realizing signal transmission with the antenna, so that the at least two communication modules are capable of sharing the antenna at the same time and the at least two communication modules do not interfere with each other while sharing the antenna at the same time.