Wireless Mesh Channel Allocation by Device Type
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Solution Overview
Problem
Wireless mesh networks face inefficiencies due to the need for communication devices to frequently switch channels, as they share channels with only a single interface, leading to suboptimal network performance.
Innovation Solution
A channel allocation method that classifies communication devices into fixed or switching types based on received information from neighboring devices, allocating channels accordingly and transmitting this information to ensure efficient connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If communication devices share channels among devices with a single interface, then network connectivity is maintained, but channel switching overhead increases and network efficiency decreases
Solution Approach 1:
The patent segments communication devices into two distinct types: fixed communication devices that remain on a single channel, and switching communication devices that can switch between multiple channels. This segmentation allows the network to optimize channel usage by assigning appropriate device types based on their capabilities and network position, thereby reducing unnecessary channel switching overhead while maintaining connectivity.
Solution Approach 2:
The patent implements dynamic channel allocation where switching communication devices can dynamically switch between multiple channels based on network conditions and traffic requirements. This dynamic approach allows the system to adapt to changing network states, improving overall efficiency by enabling selective channel switching only when necessary, rather than forcing all devices to continuously switch channels.
2Adaptability or versatility
If communication devices frequently switch channels to transmit data packets, then multi-channel utilization is achieved, but network performance deteriorates due to switching overhead
Solution Approach 1:
The patent applies local quality by assigning different channel switching characteristics to different device types based on their specific roles and capabilities in the network. Fixed communication devices maintain a simple single-channel operation suitable for their position, while switching communication devices utilize multi-channel capabilities where needed. This localized optimization ensures that multi-channel utilization is implemented only where it provides benefit, avoiding unnecessary switching overhead that would degrade network performance.
3Productivity
If all communication devices are treated equally without classification, then device simplicity is maintained, but channel allocation efficiency is suboptimal
Solution Approach 1:
The patent implements preliminary action by classifying communication devices into fixed or switching types during the initial network setup or device registration phase. This pre-classification allows the network to establish an optimized channel allocation strategy from the outset, avoiding the need for complex real-time decisions about which devices should switch channels. The classification information is then used by the channel allocation unit to assign appropriate channels, improving efficiency without requiring complex ongoing device management.
Data Source
AI summary
A channel allocation method and a communication device are provided. The channel allocation method includes determining a communication device type based on information received from neighboring communication devices, allocating a channel according to the communication device type, and transmitting the communication device type and information about the allocated channel to the neighboring communication devices.