Coexistence of Multiple Communication Technologies on Devices
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Solution Overview
Problem
Multi-radio devices experience performance degradation due to interference between co-located radios operating in adjacent/overlapping frequency bands, leading to poor quality of service and communication link failures, with existing RF filters offering poor selectivity and high manufacturing costs.
Innovation Solution
A method and system that converts communication events from one technology to another, aligning active periods to prevent interference by emulating peer-to-peer communication links and using native methods to manage communication on real and emulated links, allowing coexistence of multiple communication technologies like WiMAX, Bluetooth, and WLAN without interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If RF filters are used to reduce interference between co-located radios, then interference is reduced, but the selectivity is poor and manufacturing cost is very high
Solution Approach 1:
The patent replaces the mechanical RF filter system with a software-based interference mitigation system. The processor identifies interference patterns and dynamically adjusts communication parameters (frequency, power, timing) to avoid interference without requiring physical filters. This substitution eliminates the need for expensive high-selectivity RF filters while maintaining interference reduction effectiveness.
Solution Approach 2:
The system dynamically changes communication parameters such as frequency selection, transmission power, and timing based on real-time interference detection. By adjusting these parameters, the system achieves interference mitigation without relying on fixed hardware filters, thereby reducing manufacturing costs while maintaining performance.
2Adaptability or versatility
If multiple radios operate simultaneously in adjacent/overlapping frequency bands, then communication capabilities are enhanced, but interference occurs causing degradation of quality of service
Solution Approach 1:
The system implements continuous feedback monitoring of interference levels between co-located radios. When interference is detected, the processor automatically adjusts communication parameters of affected radios to eliminate or reduce interference. This closed-loop feedback mechanism enables simultaneous operation of multiple radios while maintaining quality of service through dynamic parameter optimization.
Solution Approach 2:
The system dynamically adjusts communication parameters (frequency, power, timing) based on real-time interference conditions rather than using fixed configurations. This dynamic adaptation allows multiple radios to operate simultaneously in adjacent frequency bands while automatically resolving interference issues, thereby maintaining both versatility and reliability.
Data Source
AI summary
A method and apparatus for enabling coexistence of a plurality of communication technologies on a communication device is provided. The method includes receiving one or more first communication events from a first communication technology of the plurality of communication technologies. The method further includes converting the one or more first communication events to one or more second communication events for one or more second communication technologies of the plurality of communication technologies. Converting emulates one or more first peer to peer communication links of the one or more first communication technologies as one or more second peer to peer communication links of the one or more second communication technologies.