Base Station Interference Detection via Signal Portion Analysis
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Solution Overview
Problem
Communication systems face interference due to in-system collisions and random interference from multiple transmissions, which hinder effective communication, particularly in emergency scenarios where multiple devices try to communicate simultaneously, and existing methods lack a systematic approach to differentiate and mitigate these interferences.
Innovation Solution
A method and apparatus in a base station that detects interference by analyzing the constructive and destructive interference of common and non-common signal portions in registration/call requests, allowing for adaptive mitigation techniques such as regulating registration requests or changing the control channel frequency based on the interference type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple devices simultaneously transmit registration/call requests, then the communication system can handle high traffic volume, but in-system collisions occur causing interference and communication failure
Solution Approach 1:
The base station performs preliminary detection of interference type by analyzing the common portion of signals before attempting to process registration requests. This preliminary action identifies whether interference is caused by in-system collisions or out-of-system sources, enabling the system to take preventive measures before communication failure occurs, thus maintaining both high traffic capacity and reliable communication
Solution Approach 2:
The system changes operational parameters based on detected interference type: for in-system collisions, it adjusts registration request handling parameters; for out-of-system interference, it changes control channel frequency. This dynamic parameter adjustment allows the system to maintain productivity while ensuring reliability under different interference conditions
2Reliability
If the base station implements comprehensive interference detection and adaptive mitigation, then communication reliability improves, but system complexity increases
Solution Approach 1:
The interference detection process is segmented into distinct steps: detecting interference, determining its type through common portion analysis, and applying specific mitigation techniques. This segmentation allows the base station to implement comprehensive interference management through modular, manageable functions rather than a monolithic complex system
Solution Approach 2:
The base station autonomously detects interference types and applies appropriate mitigation techniques without external intervention. The system self-regulates by analyzing signal common portions and automatically adjusting its operation, reducing the need for external control while maintaining high reliability
3Object-affected harmful factors
If the base station rolls the control channel to mitigate random interference, then interference mitigation is achieved, but communication disruption occurs during the transition
Solution Approach 1:
The base station applies preliminary anti-action by detecting interference types before implementing mitigation. By identifying whether interference is from in-system collisions or out-of-system sources, the system can apply targeted countermeasures immediately, preventing the need for control channel rolling and thus avoiding communication disruption while still mitigating the harmful interference
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
Effectively identifies and mitigates interference caused by simultaneous registration/call requests, improving communication system performance by reducing collisions and ensuring reliable communication in overloaded scenarios.
Implementation Method 1
a common portion of the multiple, simultaneous transmissions can be decoded, while a non-common portion of the multiple, simultaneous transmissions cannot be decoded
Implementation Method 2
a common portion of the multiple, simultaneous transmissions can be decoded, while a non-common portion of the multiple, simultaneous transmissions cannot be decoded
Data Source
AI summary
a method and apparatus for detecting interference within a communication system is provided herein. During operation, a base station will determine whether the interference is caused by in-system excessive collisions (e.g. multiple simultaneous registration and/or call requests). An appropriate mitigation technique will be applied by the base station based on a type of interference detected.