Mesh Network Channel Allocation for Backhaul and Fronthaul Separation
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Solution Overview
Problem
Existing mesh network technologies face challenges in optimizing wireless communication performance due to devices contending for resources on the same channel, particularly in back-haul and front-haul networks sharing the same frequency band, leading to suboptimal bandwidth usage.
Innovation Solution
A method and device for automatically selecting and allocating channels among mesh network access points using a mesh network controller and agent devices, which detect and report wireless communication information to optimize channel selection, ensuring separate channels are used by access points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If all mesh network devices use the same channel for wireless communication, then device compatibility and simplicity are maintained, but wireless communication performance and bandwidth utilization deteriorate due to resource contention
Solution Approach 1:
The patent changes the channel parameter from a fixed common value to dynamically allocated different values. The mesh network controller assigns different channels to different mesh network agent devices based on channel scan reports, transforming the static single-channel configuration into a dynamic multi-channel allocation system, thereby resolving the contradiction between configuration simplicity and bandwidth utilization.
2Device complexity
If back-haul and front-haul networks share the same frequency band and channel, then network architecture simplicity is maintained, but communication performance deteriorates due to mutual interference
Solution Approach 1:
The patent segments the shared frequency band by allocating different channels to back-haul and front-haul networks. The mesh network controller divides the available spectrum into multiple channels and assigns specific channels to different network functions, separating their communication paths while maintaining the overall mesh network architecture, thus resolving the contradiction between architectural simplicity and communication reliability.
3Ease of manufacture
If multiple devices contend for the same channel resources, then channel allocation simplicity is maintained, but wireless communication performance and optimization capability deteriorate
Solution Approach 1:
The patent implements a feedback mechanism where mesh network agent devices send channel scan reports to the mesh network controller, which then makes informed channel allocation decisions. The controller receives feedback about channel conditions from multiple devices and uses this information to optimize channel assignment, transforming the simple contention-based approach into a feedback-driven optimized allocation system.
Data Source
AI summary
A method, a mesh network controller and a topology center device for performing channel allocation in a mesh network are provided. The method includes: utilizing the mesh network controller to send a channel scan request to multiple mesh network agent devices; utilizing the multiple mesh network agent devices to detect wireless communication information in response to the channel scan request in order to generate multiple channel scan reports, respectively; utilizing the mesh network controller to receive the multiple channel scan reports from the multiple mesh network agent devices, respectively; and utilizing the mesh network controller to send corresponding channel selection requests to the multiple mesh network agent devices according to the multiple channel scan reports, in order to make the multiple mesh network agent devices select corresponding wireless communication channels according to the corresponding channel selection requests, respectively.