Wireless Apparatus Multi-Link Priority Frame Selection
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Solution Overview
Problem
In multi-link wireless communication systems, the mixing of high and low priority frames can lead to increased delay and interference, deteriorating communication characteristics if appropriate link selection is not performed based on frame priority.
Innovation Solution
A wireless apparatus that acquires an index contributing to the selection of a link for transmitting high priority frames among multiple links and notifies other wireless apparatuses of information for link selection based on this index.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a link having many conflicts is selected as a link for transmitting the high priority frame, then the transmission right can be acquired, but the delay of the high priority frame is likely to increase
Solution Approach 1:
The patent applies local quality by evaluating and selecting specific links based on their individual conflict conditions and suitability for different frame priorities. The transmitting apparatus determines link quality locally for each link and selects the most appropriate link for high priority frames, rather than treating all links uniformly. This resolves the contradiction by enabling targeted link selection that balances transmission reliability with delay minimization for high priority traffic.
Solution Approach 2:
The patent implements dynamic link selection where the transmitting apparatus continuously evaluates link conditions and adjusts link selection based on current traffic patterns and conflict levels. The system dynamically determines which link is most suitable for high priority frame transmission by considering real-time factors such as conflict frequency and frame priority, thereby adapting to changing network conditions to minimize delay while maintaining transmission reliability.
2Productivity
If a link on which a high priority frame has already been transmitted is selected for transmitting a low priority frame, then the low priority frame transmission can proceed, but the transmission of the high priority frame is likely to be affected
Solution Approach 1:
The patent applies segmentation by separating the handling of high priority and low priority frame transmissions across different links. The transmitting apparatus segments the link selection process based on frame priority, directing high priority frames to links with fewer conflicts and low priority frames to other available links. This segmentation prevents high priority frame transmission from being affected by low priority frame activity, thereby maintaining high priority transmission reliability while ensuring overall system productivity.
Solution Approach 2:
The patent applies local quality by evaluating the suitability of each link for specific frame priorities. The transmitting apparatus determines the local quality of each link based on factors such as conflict frequency and current transmission status, then selects appropriate links for high or low priority frames accordingly. This ensures that low priority frame transmission does not interfere with high priority frame transmission by making informed, localized link selection decisions.
3Ease of operation
If data frames having different priorities are mixed and transmitted without performing appropriate link selection, then the transmission process is simplified, but the communication characteristics of multi-link communication deteriorate
Solution Approach 1:
The patent implements dynamic link selection that adapts to frame priority without significantly complicating the transmission process. The transmitting apparatus dynamically determines the appropriate link based on frame priority and current link conditions, automating the decision-making process. This dynamic approach maintains ease of operation by eliminating the need for manual configuration while improving communication characteristics through priority-aware link selection.
Solution Approach 2:
The patent applies self-service by enabling the transmitting apparatus to automatically evaluate link conditions and select the most appropriate link for each frame based on its priority. The system serves itself by making intelligent link selection decisions without external intervention, thereby maintaining operational simplicity while significantly improving communication characteristics through priority-based link optimization.
Data Source
AI summary
A wireless apparatus according to an aspect of the present invention includes an acquisition unit that acquires an index contributing to selection of a link for transmitting a high priority frame among a plurality of links forming multiple links with another wireless apparatus, and a notification unit that notifies the other wireless apparatus of information for selection of the link on the basis of the index.