Backhaul Link Traffic Flow Control via Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In wireless communication networks, backhaul links experience frequent variations in capacity and state, leading to data packet loss and inefficient utilization, as well as increased costs due to unawareness of these changes by controllers and Base Transceiver Stations.
Innovation Solution
Implementing a system that analyzes and controls traffic flow in backhaul links by communicating messages between controllers and Base Transceiver Stations, using analyzing, messaging, and controlling modules to monitor and adjust traffic based on capacity variations and failures in backhaul uplinks and downlinks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the controller and BTS continue to allow traffic flow without awareness of backhaul link variations, then the system maintains simple operation, but data packet loss and link under/over utilization occur
Solution Approach 1:
The patent implements feedback mechanisms where the controller and BTS exchange messages about backhaul link status and capacity variations. The controller receives feedback about link state changes and adjusts traffic flow accordingly, while BTS provides feedback about actual link conditions. This closed-loop feedback system resolves the contradiction by enabling reliable packet delivery through active monitoring and adjustment, while keeping the complexity manageable through standardized feedback protocols.
Solution Approach 2:
The system enables self-service by allowing the controller and BTS to autonomously detect and respond to backhaul link variations without external intervention. The controller automatically adjusts traffic flow based on received feedback, and the BTS independently monitors link conditions and reports changes. This self-managing capability improves reliability while avoiding the need for complex external control systems.
2Reliability
If the controller and BTS are made aware of backhaul link variations through analysis and messaging, then data packet loss is prevented, but the system complexity increases due to additional analyzing and messaging modules
Solution Approach 1:
The patent segments the traffic control functionality into distinct modules: analyzing modules that monitor link conditions, messaging modules that communicate status information, and controlling modules that adjust traffic flow. This segmentation allows each module to perform its specific function independently, improving reliability through specialized processing while managing overall system complexity through modular design. The controller and BTS each contain these segmented functional blocks, enabling coordinated operation without requiring complete system redesign.
3Productivity
If traffic flow is controlled based on backhaul link analysis, then resource utilization is optimized, but the cost of implementation increases due to additional messaging and control mechanisms
Solution Approach 1:
The patent implements universal messaging mechanisms that serve multiple functions: the same messaging infrastructure is used for both detecting link variations and controlling traffic flow. The analyzing modules and controlling modules share common communication protocols and data structures, allowing the system to achieve optimized resource utilization through a single integrated implementation rather than separate specialized systems. This multi-functionality reduces the overall implementation complexity while maintaining high productivity.
Data Source
AI summary
A method, system, and apparatus for controlling traffic flow in one or more backhaul links in a wireless communication network is provided. Each backhaul link of the one or more backhaul links includes a backhaul uplink and a backhaul downlink. The method includes analyzing one or more backhaul uplinks and one or more backhaul downlinks between a controller and one or more Base Transceiver Stations (BTSs). The method further includes communicating one or more messages between the controller and the one or more BTSs. The one or more messages include analysis of one or more analysis of one of the one or more backhaul uplinks and the one or more backhaul downlinks. The method further includes controlling the traffic flow in at least one of the one or more backhaul uplinks and the one or more backhaul downlinks based on the one or more messages.