Wireless Mesh Network Scheduling for High-Frequency Path Loss
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Solution Overview
Problem
Current wireless mesh networks for cellular systems are inefficient in high-frequency bands due to high path loss and require dense deployments of base stations, making them costly and complex to deploy, especially in high-density population areas.
Innovation Solution
A wireless mesh network system that includes a mesh gateway and mesh nodes with processors for establishing efficient wireless backhaul and access links, scheduling transmissions, and managing airlink resources to reduce interference and optimize deployments in high-frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dense deployment of base stations is used to overcome high path loss in high frequency bands, then network reliability is improved, but deployment cost and complexity increase
Solution Approach 1:
The patent merges the functions of access points and backhaul nodes into a single mesh node that performs both access and backhaul operations. This consolidation eliminates the need for separate infrastructure components, reducing deployment complexity while maintaining network reliability through integrated functionality.
Solution Approach 2:
The mesh node is designed as a universal device that can simultaneously serve as an access point for user equipment and as a backhaul node for relay communications. This multi-functionality allows a single device to perform multiple roles in the network, reducing the overall number of components needed and simplifying deployment.
2Reliability
If dense deployment of base stations is used to provide RF link redundancy, then network reliability is improved, but deployment cost increases
Solution Approach 1:
The mesh network enables self-service deployment where mesh nodes automatically discover and connect to nearby nodes without requiring manual configuration or professional installation. The network autonomously establishes backhaul links and optimizes routing, eliminating the need for costly professional deployment services while maintaining RF link redundancy.
Solution Approach 2:
By combining access and backhaul functions in a single mesh node, the system reduces the total number of components that need to be deployed. This consolidation lowers material costs, installation expenses, and ongoing maintenance requirements while preserving network reliability through the integrated design.
3Ease of manufacture
If wireless mesh networking is used in cellular networks with licensed spectrum, then deployment cost is reduced, but spectral efficiency deteriorates
Solution Approach 1:
The patent implements dynamic scheduling mechanisms that adaptively allocate time and frequency resources based on real-time network conditions. The scheduler dynamically adjusts transmission parameters, selects optimal routes, and manages interference to maximize spectral efficiency while maintaining the cost advantages of wireless mesh deployment.
Solution Approach 2:
The mesh network incorporates feedback mechanisms where nodes report channel conditions, traffic demands, and interference levels to the scheduler. This feedback enables continuous optimization of resource allocation and routing decisions, improving spectral efficiency in response to changing network conditions while preserving the low-cost deployment architecture.
Data Source
AI summary
Among other things, aspects, features, and implementations of wireless mesh networks and wireless mesh network devices are described.