Smart Ethernet Mesh Edge Device for WiMAX QoS
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Solution Overview
Problem
Existing Ethernet access solutions using WiMAX technology are costly and inefficient, as they separate WiMAX base stations and routers, leading to unmanaged bandwidth consumption and quality of service issues, particularly in wireless links prone to impairments like weather interference, which causes packet drops and limits network performance.
Innovation Solution
Integration of WiMAX base stations with Ethernet switches and a traffic management system, including a radio controller, forms a single network element that manages and optimizes bandwidth use, anticipates radio link performance changes, and proactively adjusts traffic flow to prevent packet loss, using MPLS label switching and a value management system to ensure quality of service and path protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If WiMAX base stations and routers are separated into separate devices, then device functionality is specialized, but bandwidth management and QoS control deteriorate
Solution Approach 1:
The patent combines the WiMAX base station and router into a single integrated network element. The router component includes a radio controller that directly interfaces with the WiMAX radio, enabling unified control of wireless bandwidth and QoS parameters. This integration allows the system to manage bandwidth allocation and prevent packet drops by coordinating radio resource management with routing decisions, resolving the contradiction between device specialization and bandwidth management effectiveness.
2Adaptability or versatility
If multiple subscribers share a base station through tunneling, then network access flexibility improves, but bandwidth consumption management deteriorates
Solution Approach 1:
The integrated router includes a radio controller that continuously monitors radio link conditions and bandwidth utilization. The system implements feedback mechanisms where the radio controller reports link quality metrics to the routing component, which then adjusts traffic flow and bandwidth allocation dynamically. This feedback loop enables the system to maintain flexible multi-subscriber access while effectively managing bandwidth consumption by preventing overutilization and optimizing resource distribution based on real-time conditions.
3Area of stationary object
If wireless links are used to reach new customers, then network coverage expands, but packet loss increases due to radio impairments
Solution Approach 1:
The system implements preliminary monitoring of radio link conditions through the integrated radio controller, which detects impairments such as weather interference before they cause significant packet loss. When link degradation is anticipated, the router proactively adjusts traffic flow, implements flow control mechanisms, and reroutes traffic through alternative paths if available. This preliminary action allows the system to maintain expanded wireless coverage while minimizing packet loss by preparing mitigation strategies before radio impairments fully manifest.
4Productivity
If separate WiMAX base stations are deployed, then network deployment speed improves, but operational costs increase
Solution Approach 1:
The integrated network element combines multiple functions including WiMAX base station operations, routing, traffic management, and QoS control into a single device. This multi-functional design eliminates the need for separate base station and router infrastructure, reducing both capital expenditure and operational costs. The system maintains rapid deployment capabilities while lowering operational costs by consolidating functions and reducing the number of network elements that require maintenance, power, and management resources.
Data Source
AI summary
A system is provided for making connections in a telecommunications system that includes a network for transporting communications between selected subscriber connections, and a wireless network for coupling connections to the network. The network and wireless network are interfaced with a traffic management element and at least one radio controller shared by connections, with the traffic management element and the radio controller forming a single integrated network element. Connections are routed from the wireless network to the network via the single integrated network element.