Wi-Fi Multi-Link Switching for Consistent Station Communication Rates
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Solution Overview
Problem
The performance of communication between two stations connected to an access point via multi-link communication can degrade due to differences in the states of communications established between the access point and the stations, leading to inconsistent communication rates and user experience degradation.
Innovation Solution
A communication apparatus controls the use of single-link or multi-link communication based on predetermined information about the second communication, ensuring consistent communication rates by aligning the communication method and link configuration with the second communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If multi-link communication is used to improve throughput and communication performance, then communication speed is improved, but communication consistency between multiple stations deteriorates due to different link states
Solution Approach 1:
The patent implements feedback mechanisms where stations exchange link state information and communication status with each other and with the access point. This feedback allows stations to adjust their communication parameters based on actual link conditions, ensuring consistent communication behavior across multiple stations while maintaining high throughput through multi-link communication.
Solution Approach 2:
The patent dynamically adjusts communication parameters such as transmission power, modulation schemes, and link selection based on real-time link state information. This dynamic adaptation allows the system to maintain optimal communication performance across varying conditions while ensuring consistency between multiple stations' communication states.
2Reliability
If link state information is exchanged between stations to ensure communication consistency, then communication reliability is improved, but device complexity increases
Solution Approach 1:
The patent leverages existing universal communication protocols and standard message formats for link state information exchange. By using standardized mechanisms already defined in wireless communication specifications, the system achieves reliable inter-station communication without requiring custom complex protocols, thus reducing overall device complexity.
Solution Approach 2:
The access point serves as an intermediary that centralizes link state management and distributes relevant information to stations. This intermediary approach simplifies direct peer-to-peer complexity by having the access point handle the coordination and information exchange, reducing the burden on individual stations while maintaining communication consistency.
Data Source
AI summary
A communication apparatus for communicating, via an access point configured to perform communication in accordance with a communication method defined in an IEEE 802.11 standard series, with another communication apparatus connected to the access point, performs first communication with the access point using one of single-link communication and multi-link communication; acquires predetermined information concerning second communication performed between the other communication apparatus and the access point; and executes, based on the predetermined information, control of which of single-link communication and multi-link communication is used to perform the first communication.