Wireless Telephony Data for Traffic Planning
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Solution Overview
Problem
Traditional methods for collecting and analyzing traffic data for transportation planning and engineering are costly and often lead to inaccurate conclusions due to the high cost of data collection, making it difficult to capture trends in speeds and travel times, and identify causes of congestion.
Innovation Solution
A system and method that collects and processes information from wireless telephony systems to determine the location and movement of mobile stations, characterizing transportation infrastructure and parameters, which supports transportation planning and engineering by aggregating anonymous data from thousands of devices to determine real-time and historical travel times and velocities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional data collection methods (count stations, speed sensors, video cameras) are used, then traffic data can be collected, but the cost of data collection becomes excessively high
Solution Approach 1:
The patent uses wireless telephony networks as an intermediary to collect traffic data. Instead of deploying expensive physical sensors and cameras directly on roads, the system leverages the existing wireless network infrastructure to obtain location and movement data from mobile devices, thereby achieving accurate traffic measurements without the high costs of traditional methods
Solution Approach 2:
The system creates a virtual replica of physical traffic monitoring by using digital location data from mobile devices to represent physical vehicle positions. This digital copy allows traffic patterns to be analyzed without physical presence of sensors, reducing deployment and maintenance costs while maintaining measurement accuracy
2Quantity of substance
If traditional data collection methods are used, then some traffic data can be obtained, but the accuracy of traffic patterns and congestion analysis becomes insufficient
Solution Approach 1:
The patent combines multiple data sources including location data, movement data, and trip data from wireless network users to create a comprehensive traffic analysis system. By merging these different types of data, the system achieves both high quantity and high precision of traffic information, enabling accurate identification of traffic patterns and congestion causes
Solution Approach 2:
The system changes the parameters used for traffic analysis by utilizing mobile device location coordinates, movement velocities, and trip origins/destinations instead of traditional sensor-based measurements. This parameter transformation enables more precise tracking of individual vehicle trajectories and more accurate reconstruction of traffic flows
3Reliability
If extensive data collection infrastructure is deployed, then traffic measurements can be made, but the system complexity increases significantly
Solution Approach 1:
The patent makes the wireless telephony network serve multiple functions: it provides communication services while simultaneously collecting traffic data, location information, and movement patterns. This multi-functionality eliminates the need for dedicated traffic monitoring infrastructure, reducing system complexity while maintaining reliable measurements through the robustness of the existing network
Data Source
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AI summary
Using data from a wireless telephony network to support transportation planning and engineering. Data related to wireless network users is extracted from the wireless network to determine the location of a mobile station. Additional location records for the mobile station can be used to characterize the movement of the mobile station: its speed, its route, its point of origin and destination, and its primary and secondary transportation analysis zones. Aggregating data associated with multiple mobile stations allows characterizing and predicting traffic parameters, including traffic speeds and volumes along routes.