Mobile Device Power Line Communication Noise Isolation

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Solution Overview

Problem

Conventional devices struggle to stably transmit and receive data due to noise interference from simultaneous wireless and power line communications.

Innovation Solution

The proposed solution involves an electronic device that performs wireless communication during a first time period and power line communication during a second time period, ensuring these operations do not overlap to minimize noise interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If wireless communication and power line communication are performed simultaneously, then communication functionality is enhanced, but noise interference increases and data transmission stability deteriorates

Engineering Contradiction:

Improvecommunication functionalityVSAvoiddata transmission stability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The device performs wireless communication and power line communication in alternating time periods rather than simultaneously. The communication controller switches between wireless communication during a first time period and power line communication during a second time period, creating a periodic communication pattern that eliminates noise interference while maintaining both communication capabilities.

Inventive Principle:

Principle #19Periodic action

2Adaptability or versatility

If wireless communication is performed, then wireless connectivity is achieved, but noise is generated that interferes with power line communication

Engineering Contradiction:

Improvewireless connectivityVSAvoidnoise interference

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The harmful noise factor is extracted and isolated by separating the wireless communication operation from the power line communication operation in time. The communication controller extracts the noise-generating wireless communication activity and confines it to specific time periods when power line communication is not occurring, thereby eliminating the harmful interaction.

Inventive Principle:

Principle #2Taking out (Extraction)

3Reliability

If communication operations are separated into different time periods, then noise interference is reduced, but communication efficiency may decrease

Engineering Contradiction:

Improvecommunication stabilityVSAvoidcommunication efficiency

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The communication system dynamically adjusts its operation mode based on real-time conditions. The communication controller can switch between wireless and power line communication modes, and can also adjust the duration and frequency of each communication type based on data transmission requirements, power availability, and interference conditions, optimizing both reliability and efficiency.

Inventive Principle:

Principle #15Dynamics

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 approach allows for stable data transmission and reception by isolating wireless and power line communication periods, thereby reducing noise and enhancing communication reliability.

Implementation Method 1

generate a pogo voltage on a power line based on the output voltage, and perform power line communication through the power line

Methodology Applied

Scientific EffectPower line communication:

Data Source

PatentUS12302053B2Mobile device, electronic device and electronic system for power line communication

Publication Date: 2025.05.13 SAMSUNG ELECTRONICS CO LTD

AI summary

An electronic device that includes a first mobile device, and a second mobile device directly connected with the first mobile device through a power line, the second mobile device being configured to perform power line communication with the first mobile device through the power line for a first time period, and perform wireless communication with an external device for a second time period, the second time period not overlapping the first time period.