Phase-Controlled Multi-Antenna Wireless Module for Protocol Interference

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Solution Overview

Problem

Heterogeneous wireless communication protocols, such as Wi-Fi and Bluetooth, experience signal interference due to overlapping frequency bands, leading to decreased data transmission speed and coverage, especially when multiple antennas are used.

Innovation Solution

A wireless communication module is designed with specific phase differences between antennas to mitigate interference, featuring phase control elements that generate 180 degrees and 90 degrees phase differences between signals of different protocols, allowing orthogonal signal operation and minimizing interference in overlapping frequency bands.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a user equipment simultaneously supports multiple wireless communication technologies (e.g., Wi-Fi, Bluetooth, Cellular), then the device can communicate with a wider variety of networks and devices, but the device complexity and power consumption increase significantly

Engineering Contradiction:
Improvecommunication compatibilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple wireless communication modules (Wi-Fi, Bluetooth, Cellular) into a single integrated device structure. The housing encompasses all modules, and the control unit coordinates them as a unified system, reducing overall device complexity while maintaining multi-technology support.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The control unit is designed to manage multiple communication technologies simultaneously, making the device universally compatible with various networks and devices. The single device performs multiple communication functions that would traditionally require separate devices.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If a user equipment simultaneously supports multiple wireless communication technologies, then the device can communicate with a wider variety of networks and devices, but the power consumption increases

Engineering Contradiction:
Improvecommunication compatibilityVSAvoidpower consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The control unit dynamically manages power consumption by activating only the necessary communication modules based on current operational requirements. The system can switch between different communication technologies depending on availability and power constraints, optimizing energy usage while maintaining versatility.

Inventive Principle:
Principle #15Dynamics

3Reliability

If existing communication standards are used, then device compatibility is maintained, but the standards are becoming increasingly complex and harder to implement

Engineering Contradiction:
ImprovecompatibilityVSAvoidstandard complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the communication functionality into separate modules (Wi-Fi module, Bluetooth module, Cellular module), each handling a specific communication standard. This modular approach simplifies the implementation of complex standards by isolating them in dedicated components while maintaining overall system compatibility.

Inventive Principle:
Principle #1Segmentation

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

The solution effectively reduces signal interference, enhancing transmission speed and coverage by ensuring that signals from different protocols operate with specific phase differences, thereby reducing noise and improving communication efficiency.

Implementation Method 1

a phase control element disposed on at least one of the transmission lines, the phase control element generating a phase difference between both ends thereof

Methodology Applied
Scientific EffectPhase difference:

Data Source

PatentEP4376311A1Heterogeneous complex wireless communication device
Publication Date: 2024.05.29 LG INNOTEK CO LTD
  • EP4376311A1 patent drawingFigure 1~2
  • EP4376311A1 patent drawingFigure 3~4
  • EP4376311A1 patent drawingFigure 5

AI summary

The present invention relates to a heterogeneous complex wireless communication device capable of mitigating interference between heterogeneous wireless communication protocols having similar frequency bands in supporting the heterogeneous wireless communication protocols together. A wireless communication module according to an embodiment of the present invention may comprise: a signal processing device; a (1-1)-th antenna which is connected to the signal processing device and transmits or receives a (1-1)-th signal; a (1-2)-th antenna which is connected to the signal processing device and transmits or receives a (1-2)-th signal; a second antenna which is connected to the signal processing device and transmits or receives a second signal; a first phase control element disposed between the (1-1)-th antenna and the signal processing device; a (1-2)-th phase control element disposed between the (1-2)-th antenna and the signal processing device; and a second phase control element disposed between the second antenna and the signal processing device, wherein the (1-1)-th signal output from the (1-1)-th phase control element and the (1-2)-th signal output from the (1-2)-th phase control element have a phase difference of 180 degrees from each other, and the second signal output from the second phase control element has a phase difference of 90 degrees from each of the (1-1)-th signal and the (1-2)-th signal.