Data Transmission Method Selection via Noise Parameter Control

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Solution Overview

Problem

Existing communication systems face challenges in optimizing data transmission quality due to varying radio channel conditions, leading to suboptimal packet error rates.

Innovation Solution

A method for selecting a data transmission method based on specific noise characteristics, such as decorrelation distance and cross-correlation coefficient, to minimize packet error rates across different radio channels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If packet duplication is used to transmit data via multiple radio channels, then transmission reliability is improved, but system complexity increases due to the need to manage multiple channels and select optimal transmission methods

Engineering Contradiction:
Improvepacket error rateVSAvoiddata transmission method selection
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent changes the parameters of the radio channels by introducing artificial noise with specific decorrelation distance and cross-correlation coefficient characteristics. By controlling these noise parameters, the system transforms the channel conditions to achieve optimal packet error rates for different data transmission methods, thereby resolving the complexity of selecting the best transmission method under varying conditions

Inventive Principle:
Principle #35Parameter changes

2Reliability

If multiple data transmission methods are available to optimize packet error rate, then transmission quality is improved, but the complexity of determining the optimal method increases

Engineering Contradiction:
Improvepacket error rateVSAvoidoptimal data transmission method determination
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent introduces artificial noise as an intermediary element that mediates between the radio channels and the data transmission methods. By controlling the noise characteristics (decorrelation distance and cross-correlation coefficient), the system creates a controlled environment that enables straightforward determination of optimal transmission methods without complex measurement and analysis procedures

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20250105952A1Method of selecting a data transmission method and method of operating a communication system
Publication Date: 2025.03.27 SEW EURODRIVE GMBH & CO KG
  • US20250105952A1 patent drawing

AI summary

In a method for selecting a data transmission method from a number of available data transmission methods in a communication system, in which the communication system includes at least a first base station, a second base station, and a terminal device, in which a wireless communication link exists between the first base station and the terminal device via a first radio channel, and in which a wireless communication link exists between the second base station and the terminal device via a second radio channel, a data packet to be transmitted is sent from the terminal device via the first radio channel to the first base station and via the second radio channel to the second base station, at least one value pair is specified that includes a decorrelation distance of a first noise of the first radio channel and a cross-correlation coefficient between the first noise of the first radio channel and a second noise of the second radio channel, a packet error rate is determined for each of the available data transmission methods for the specified value pair, and the data transmission method that has an optimum packet error rate is selected and assigned to the specified value pair.