Geographic Traffic Routing for Base Station RF Load Management
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Solution Overview
Problem
Public-safety incidents often overload communication networks, leading to excessive radio frequency (RF) loads at base stations, which can impair wireless communication services.
Innovation Solution
A method and apparatus that dynamically route vehicular or foot traffic around overloaded base stations by calculating and providing geographic routes that avoid areas with high RF load levels, using a dispatch center equipped with context-aware circuitry and processing capabilities to determine optimal routes based on traffic conditions and base station load levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If base stations handle all wireless communications during public-safety incidents, then complete communication coverage is provided, but base stations become overloaded and RF load increases
Solution Approach 1:
The patent segments the communication network into multiple base stations with defined coverage areas. By identifying and routing vehicles through less loaded base stations, the system divides the overall communication load across multiple segments rather than concentrating it at a single overloaded base station, thereby maintaining service availability while reducing individual station power consumption.
2Speed
If vehicles are routed through areas with high base station traffic, then direct routes are maintained, but RF load at base stations increases
Solution Approach 1:
The patent implements dynamic routing that adapts to real-time base station load conditions. The system continuously monitors RF load levels and dynamically adjusts vehicle routes to balance travel efficiency with network load management. This dynamic approach allows the system to select optimal routes that minimize RF load while maintaining acceptable travel times, rather than using static direct routes.
3Power
If geographic routing is implemented to avoid overloaded base stations, then RF load is reduced, but routing complexity increases
Solution Approach 1:
The patent introduces a geographic information server as an intermediary component that centralizes the complex routing calculations. This server receives vehicle location data, determines current base station load levels, and calculates optimized routes. By placing the complexity management function in a dedicated intermediary system rather than distributing it across all network components, the overall system complexity is managed more efficiently while achieving load reduction goals.
Data Source
AI summary
A method and apparatus for routing traffic around geographic location (such as an incident scene) is provided herein. During operation, base station RF load levels will be obtained. Any vehicle not part of the incident will be geographic routed around overloaded base stations. Because vehicles will be geographic routed around overloaded base stations, the overloaded base stations will not have to handle the additional RF load from the appropriately-geographic routed vehicles.