Co-located Receiving Node Interference Mitigation
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Solution Overview
Problem
As the number of wireless communications systems increases, defining dedicated frequency bands becomes challenging, leading to interference issues when multiple systems share the same frequency band, and obtaining detailed information about transmitter locations and transmission powers from operators is difficult, making it hard to mitigate interference effectively.
Innovation Solution
A method is introduced where a receiving node of one wireless communications system is co-located with a node of another system on a shared frequency band, allowing for identification of interfering nodes and transmission of signal strength information to control the configuration of the shared frequency band, thereby protecting the second system from interference by limiting the use of the shared band or shifting the interfering node to another frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple wireless communications systems share a frequency band, then spectrum utilization is improved, but interference between systems increases
Solution Approach 1:
A receiving node is positioned as an intermediary between transmitting nodes of different wireless communications systems. This receiving node measures interference levels and provides information to controlling entities, enabling coordinated frequency band management without direct access to operator configuration details. The intermediary facilitates spectrum sharing while mitigating interference through indirect measurement and reporting mechanisms.
2Reliability
If detailed information about transmitter locations and transmission powers is obtained, then interference mitigation is improved, but operational complexity and information security requirements increase
Solution Approach 1:
The invention extracts only the necessary interference measurement information from the receiving node without requiring access to detailed transmitter configuration data. By measuring actual interference levels directly and reporting only these measurements rather than full configuration details, the system achieves effective interference mitigation while avoiding the complexity and security issues associated with sharing comprehensive operational parameters.
3Measurement precision
If a receiving node is co-located with another system's node, then interference measurement accuracy is improved, but system vulnerability to interference increases
Solution Approach 1:
The receiving node continuously measures interference levels and provides feedback information to controlling entities. This feedback mechanism enables dynamic adjustment of transmission parameters by transmitting nodes, allowing the system to compensate for the vulnerable position of co-located receiving nodes. The continuous monitoring and feedback loop ensure that measurement accuracy is maintained while mitigation actions protect against accumulated interference damage.
Data Source
AI summary
A receiving node of a first wireless communications system is co-located with a node of a second wireless communications system, said first and second wireless communications systems are configured with frequencies on a shared frequency band. Information identifying a node of the first wireless communications system transmitting on the shared frequency band is received. The received information identifying the transmitting node as an interfering node to the co-located node of the second wireless communications system is transmitted to an entity controlling configuration of the shared frequency band.