Safe Taxi Service Deviation Detection via Location Tracking
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Solution Overview
Problem
Existing methods for ensuring taxi user safety, such as tracking location using cell ID or GPS, face precision issues and require manual input of information, leading to inefficiencies and increased costs.
Innovation Solution
A system and method for a safe taxi service that enables communication between a taxi user's mobile device and a vehicle information system, allowing for periodic location updates and deviation alerts, reducing the need for manual input and improving location tracking precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If cell ID or GPS is used for location tracking, then location information can be obtained, but location precision is insufficient
Solution Approach 1:
The patent combines cell ID tracking and GPS tracking into a unified location determination system. The mobile device integrates both methods, using cell ID for general location estimation and GPS for precise location when available, thereby achieving both broad coverage and high precision simultaneously.
Solution Approach 2:
The patent introduces a server as an intermediary that receives location information from both cell ID and GPS sources, processes and validates the data, then provides unified location tracking services. This intermediary coordinates the different tracking methods to resolve their individual limitations.
2Reliability
If manual input of user information and vehicle information is required, then additional information for improved reliability can be obtained, but time and costs increase
Solution Approach 1:
The system enables automatic information collection where the mobile device automatically obtains user information (destination, preferred path) and vehicle information (registration number, driver details) without requiring manual input. The system self-configures by extracting necessary data from the tracking process and communication between mobile device and server.
Solution Approach 2:
The patent performs preliminary information collection during the initial setup and tracking process. User destination information and vehicle information are automatically captured and stored in advance, eliminating the need for manual input at later stages and reducing overall time requirements.
3Reliability
If detailed information transmission is implemented, then reliability is improved, but transmission costs increase
Solution Approach 1:
The system transmits only the necessary minimum information required for reliable tracking and safety monitoring. Location coordinates, destination information, and vehicle details are transmitted selectively based on tracking needs, avoiding unnecessary data transmission and reducing energy consumption while maintaining adequate reliability.
Solution Approach 2:
The patent dynamically adjusts transmission parameters such as transmission frequency, data volume, and information types based on tracking conditions. During normal conditions, minimal information is transmitted; during critical situations (deviation from path, emergency conditions), transmission intensity increases automatically.
Data Source
AI summary
Provided are a system and method for a safe taxi service. The method for a safe taxi service in a mobile device includes: transmitting input information regarding a destination to a vehicle information system; periodically receiving information regarding a current location of a vehicle from the vehicle information system; comparing the current location with an expected path to the destination; and transmitting state information to an external system when it is determined, according to the comparing, that the current location deviates from the expected path to the destination to an extent equal to or greater than a predetermined limit.