Hearing Device Dynamic Frequency Channel Selection
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Solution Overview
Problem
In wireless binaural hearing device systems, existing technologies face challenges in dynamically selecting the optimal frequency channel for data transmission, which adapts to environmental variations, leading to suboptimal data transfer and potential interference.
Innovation Solution
A method that involves scanning multiple frequency channels, determining packet error rates, and selecting the optimal channel based on long-term and short-term evaluations, with the option to maintain the channel if error rates remain below certain thresholds, ensuring stable data transmission and adapting to changes in the environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hearing device uses a fixed frequency channel for data transmission, then the device complexity is reduced, but the reliability of data transmission deteriorates due to environmental variations and interference
Solution Approach 1:
The patent implements dynamic frequency channel selection where the hearing device continuously monitors packet error rates on multiple frequency channels and automatically switches to the optimal channel. This dynamic adaptation to environmental changes improves transmission reliability without requiring complex manual configuration, as the system self-adjusts based on real-time channel quality assessment.
Solution Approach 2:
The patent employs feedback mechanisms where the hearing device measures packet error rates on candidate frequency channels and uses this information to select the optimal transmission channel. The feedback loop continuously monitors channel quality and adjusts the transmission frequency accordingly, resolving the contradiction between reliability and complexity through intelligent adaptive control.
2Adaptability or versatility
If the hearing device scans all frequency channels frequently to find the optimal channel, then the adaptability to environmental changes is improved, but the loss of time for data transmission increases
Solution Approach 1:
The patent performs preliminary channel quality assessment during idle periods or using redundant data transmissions, so that when actual high-priority data needs to be transmitted, the optimal channel is already identified. This preliminary action reduces the time loss during critical data transmission while maintaining environmental adaptability.
Solution Approach 2:
The patent scans a subset of frequency channels or performs partial channel assessments rather than exhaustive scanning of all possible channels. By focusing on a relevant subset of frequency bands or using simplified measurement techniques, the system achieves sufficient environmental adaptability with reduced scanning time and computational overhead.
3Reliability
If the hearing device transmits data on multiple frequency channels simultaneously, then the frequency diversity is improved, but the device complexity increases
Solution Approach 1:
The patent divides the frequency spectrum into multiple discrete channels and assigns different types of data or different priority levels to different channels. This segmentation allows the system to achieve frequency diversity while managing complexity through structured channel allocation and specialized handling of each channel type.
Solution Approach 2:
The patent implements a universal channel selection mechanism that can handle multiple frequency channels through a single integrated control algorithm. The same packet error rate measurement and selection logic is applied across all channels, providing frequency diversity benefits while avoiding the need for separate complex management systems for each channel.
4Productivity
If the hearing device maintains the current optimal frequency channel, then the productivity of data transmission is improved, but the reliability deteriorates when environmental conditions change
Solution Approach 1:
The patent implements periodic re-evaluation of the current optimal frequency channel by monitoring packet error rates at regular intervals. This periodic action allows the system to maintain high productivity by staying on a known good channel while periodically checking for environmental changes that might require channel switching, thus balancing efficiency with adaptability.
Data Source
AI summary
A method in a wireless network comprising a plurality of frequency channels and a receiving participant, the method includes: receiving data on a first subset of the plurality of frequency channels, wherein the frequency channels in the first subset are utilized at least once; receiving data on a second subset of the plurality of frequency channels; determining packet error rates for the respective frequency channels in the first and the second subsets; and selecting one of the plurality of frequency channel as an optimal frequency channel based on a result from the act of determining.