Multi-Link Coordination for Frequency Failover Under Interference
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Solution Overview
Problem
Multi-link devices experience frequent connection failures and interference due to the susceptibility of higher frequency links to physical obstacles and interference, leading to unstable data transmission.
Innovation Solution
Implementing link coordination techniques that shift communications from higher frequency links to lower frequency links in response to transmission failures, transmit data over multiple links to ensure quality of service, and establish higher frequency links based on device movement and quality estimates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If higher frequency links are used for data transmission, then transmission speed and bandwidth are improved, but connection stability and reliability deteriorate due to susceptibility to physical obstacles and interference
Solution Approach 1:
The system dynamically switches between different frequency links based on real-time transmission conditions. When the primary high-frequency link experiences failures, the system automatically transitions to alternative links with different frequencies, making the communication system adaptive and dynamic rather than static.
Solution Approach 2:
The system changes the frequency parameter of the transmission link in response to detected transmission failures. By modifying this key parameter, the system can transition from a high-frequency link that is susceptible to interference to a lower-frequency link that penetrates obstacles better, thus resolving the contradiction between speed and reliability.
2Reliability
If multiple links are used for data transmission, then quality of service and connection stability are improved, but system complexity increases
Solution Approach 1:
The communication system is segmented into multiple independent links operating at different frequencies. Each link can function independently, and the system divides the data transmission task across these segments, allowing failover to alternative segments when one experiences failures.
Solution Approach 2:
The multi-link device is designed with multi-functionality to operate across multiple frequency bands and links. This universal capability allows the same device to adapt to different transmission conditions by switching between links, improving reliability without requiring separate specialized devices for each frequency band.
3Reliability
If link coordination techniques are implemented to switch between frequencies, then transmission reliability is improved, but transmission delay and response time increase
Solution Approach 1:
The system performs preliminary actions by establishing and monitoring multiple links simultaneously before transmission failures occur. Link quality is assessed in advance, and alternative links are prepared and ready for immediate use, reducing the time penalty associated with switching.
Solution Approach 2:
The system implements feedback mechanisms that continuously monitor transmission conditions and automatically trigger link switching when failures are detected. This closed-loop control enables rapid response to transmission issues, minimizing the time loss associated with reliability improvements.
Data Source
AI summary
A system includes a memory and a processor communicatively coupled to the memory. The processor, in response to determining that a first number of transmissions over a first link with a first frequency has failed, selects a second link with a second frequency for transmission. The second frequency is lower than the first frequency. The processor also, in response to determining that a second number of transmissions over the second link has failed, one or more of (i) stop the transmissions over the second link or (ii) begins transmissions over a third link with a third frequency.