Communication Signal Conditioning with Feedback-Based Interference Detection

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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 network coverage and capacity are improved, but interference levels and system complexity increase

Engineering Contradiction:

Improvenetwork capacityVSAvoidinterference levels

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system continuously monitors interference levels and SINR measurements, using this feedback to dynamically adjust filtering parameters and initiate corrective actions when thresholds are breached, creating a closed-loop control system that adapts to changing interference conditions

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system dynamically changes signal processing parameters including adaptive filter coefficients, SINR thresholds, and resource block allocations based on measured interference levels and channel conditions, allowing the system to optimize performance under varying interference scenarios

Inventive Principle:

Principle #35Parameter changes

2Reliability

If adaptive filtering and signal conditioning are applied to reduce interference, then SINR measurements are improved, but device complexity and processing requirements increase

Engineering Contradiction:

ImproveSINR measurement accuracyVSAvoidsignal processing complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The signal processing is divided into distinct functional blocks including interference detection modules, adaptive filtering stages, and SINR measurement units, allowing independent optimization and implementation of each processing stage

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The adaptive filtering system automatically adjusts its own parameters and initiates corrective actions based on measured interference conditions, eliminating the need for manual configuration and reducing operational complexity

Inventive Principle:

Principle #25Self-service

3Reliability

If corrective actions are initiated to improve SINR measurements, then communication reliability is enhanced, but processing time and system response overhead increase

Engineering Contradiction:

Improvecommunication reliabilityVSAvoidprocessing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system pre-configures filtering parameters and corrective actions based on predicted interference scenarios, allowing rapid response when interference is detected without requiring extensive real-time computation

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system performs interference detection and SINR measurements at periodic intervals, triggering corrective actions only when necessary, thereby reducing overall processing overhead while maintaining reliable communication

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS20250301414A1Method and apparatus for performing signal conditioning to mitigate interference detected in a communication system

Publication Date: 2025.09.25 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.