Adaptive Signal Conditioning for Wireless Interference Mitigation

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Solution Overview

Problem

Interference from unexpected wireless sources negatively impacts communication system performance, leading to lower throughput, dropped calls, and traffic congestion in wireless communication systems.

Innovation Solution

A system and method for detecting and mitigating interference signals using adaptive filtering and signal conditioning, which includes measuring interference levels, determining Signal to Interference plus Noise Ratio (SINR) measurements, and initiating corrective actions to improve SINR when thresholds are breached.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If more communication nodes are added to address interference issues, then coverage and capacity are improved, but interference levels increase and system complexity increases

Engineering Contradiction:

Improvecommunication capacityVSAvoidinterference level

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system continuously monitors SINR measurements and interference levels, using this feedback to dynamically adjust signal conditioning parameters and corrective actions, enabling the network to adapt to changing interference conditions as more nodes are added

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent changes physical parameters of the communication signal such as power levels, modulation schemes, and resource allocation based on measured SINR and interference conditions, allowing the system to maintain performance despite increased interference from additional nodes

Inventive Principle:

Principle #35Parameter changes

2Reliability

If signal conditioning is applied to reduce interference, then SINR is improved, but processing complexity and computational requirements increase

Engineering Contradiction:

Improvesignal qualityVSAvoidprocessing complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The signal conditioning process is divided into separate functional modules including interference detection, SINR measurement, threshold comparison, and corrective action execution, allowing each module to be optimized independently and processed in a pipeline fashion

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system performs preliminary interference detection and SINR measurement before full signal processing, enabling early identification of problematic signals and allowing subsequent processing stages to be optimized based on pre-characterized interference patterns

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS12445972B2Method and apparatus for performing signal conditioning to mitigate interference detected in a communication system

Publication Date: 2025.10.14 ISCO INTERNATIONAL LLC

AI summary

A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving, via an antenna, a signal generated by a communication device, detecting an interference in the signal, the interference generated by one or more transmitters unassociated with the communication device, and the interference determined from signal characteristics associated with a signaling protocol used by the one or more transmitters, and performing signal conditioning on the signal to reduce the interference. Other embodiments are disclosed.