Multilink Communication Apparatus Link Priority Selection
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Solution Overview
Problem
Existing communication apparatuses struggle to effectively select an external apparatus suitable for communication connection when using multiple links across various frequency bands, due to variations in radio wave intensity and signal/noise ratio.
Innovation Solution
A communication apparatus equipped with a receiving unit, a discrimination unit, and a deciding unit, capable of performing multilink communications compliant with the IEEE 802.11 standard. The apparatus receives frames from external apparatuses, discriminates the transmission source based on frame parameters, and decides the priority for communication connection based on the communication states of the frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multilink communications are used across multiple frequency bands, then communication throughput is improved, but the reliability of connection selection deteriorates due to varying radio wave intensity and SN ratio across bands
Solution Approach 1:
The patent implements feedback mechanisms where the communication apparatus continuously monitors communication states (radio wave intensity, SN ratio) across multiple frequency bands and uses this information to dynamically adjust link selection and priority decisions, thereby maintaining reliable connection selection while utilizing multiple bands for high throughput
Solution Approach 2:
The patent introduces dynamic priority assignment and link selection mechanisms that adapt to changing communication conditions in real-time, allowing the system to optimize its operation based on current radio environment characteristics while maintaining the ability to select reliable connections
2Productivity
If multiple frequency bands are utilized for communication, then communication capacity is increased, but the complexity of determining suitable connection targets increases
Solution Approach 1:
The patent segments the connection selection process into distinct functional components: receiving units for different frequency bands, discrimination units for identifying transmission sources, and deciding units for priority assignment. This modular segmentation reduces overall system complexity by dividing the complex task of multi-band connection selection into manageable sub-tasks
Solution Approach 2:
The patent introduces intermediary processing structures that mediate between the raw communication data from multiple frequency bands and the final connection decisions. These intermediary units (discrimination units, priority deciding units) process and contextualize the data from various bands before making connection target determinations, simplifying the overall selection logic
3Speed
If radio waves are transmitted at higher frequencies, then communication speed is improved, but the reachable distance decreases and obstacle circumvention capability deteriorates
Solution Approach 1:
The patent segments the communication system into multiple frequency band links (e.g., 2.4 GHz, 5 GHz, 6 GHz bands), allowing the system to select appropriate frequency bands based on distance and obstacle conditions. This segmentation enables the use of high frequencies for short-distance high-speed communication while falling back to lower frequencies for long-distance or obstacle-prone environments
Solution Approach 2:
The patent dynamically changes the frequency parameter based on communication conditions, including distance to the target device and presence of obstacles. The system adjusts which frequency bands are active and their priorities based on real-time measurements of radio wave propagation characteristics, optimizing both speed and reach according to the specific transmission scenario
Data Source
AI summary
A communication apparatus configured to be able to perform multilink communications compliant with an IEEE 802.11 standard using a plurality of links, receives one or more frames transmitted through one or more links from each of a plurality of external apparatuses, discriminates an external apparatus that is a transmission source of the one or more frames based on a parameter included in each of the one or more frames, the discrimination unit discriminating, when two or more frames are received from one of the external apparatuses through two or more different links, the one of the external apparatus as the transmission source of the two or more frames, and decides a priority, in terms of communication connection, for the plurality of external apparatuses based on communication states of the two or more frames.