Navigation Server Movement Line Data Extraction
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Solution Overview
Problem
Current systems are inefficient in providing users with guidance to revisit places or find stores they have seen while on the move, often resulting in users wandering aimlessly or giving up when they cannot locate the desired location.
Innovation Solution
A guidance system that includes a navigation server, mobile terminal, and beacon device, which collects movement line data and uses this information to generate navigation maps showing relevant places along a user's path, allowing users to search for stores or locations by keyword or route.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If users rely on memory to locate places seen while on the move, then they can revisit familiar locations, but they waste time wandering aimlessly and may give up when unable to find the place
Solution Approach 1:
The system performs preliminary actions by automatically recording the user's movement trajectory and storing location data before the user needs to revisit a place. The navigation server pre-processes the movement line data and makes it available for quick retrieval when the user issues a search request, eliminating the need for time-consuming manual searching.
Solution Approach 2:
The navigation server acts as an intermediary between the user's mobile terminal and the location data. It receives movement line data from the terminal, processes and stores the trajectory information, and then retrieves and returns relevant location data based on search requests, significantly reducing the user's search effort.
2Productivity
If the system accumulates and processes movement line data to provide navigation guidance, then users can efficiently find desired locations, but the system complexity increases with multiple components including navigation server, mobile terminal, and beacon devices
Solution Approach 1:
The mobile terminal serves multiple functions: it acts as a beacon receiving device that collects trajectory data, as a navigation client that sends search requests, and as a display device that shows results. The navigation server also performs multiple roles including data storage, processing, and response generation, reducing the need for separate dedicated devices for each function.
Solution Approach 2:
The system enables self-service navigation where the user's own movement data is automatically recorded and processed. When the user issues a search request, the system automatically retrieves the relevant trajectory data and provides guidance without requiring manual input or external assistance, making the complex system easy to use.
3Measurement precision
If the system stores detailed movement line data for accurate navigation guidance, then users can precisely locate places along their path, but the data storage and processing requirements increase
Solution Approach 1:
The navigation server extracts only the necessary trajectory data from the complete movement line data based on the user's search request. Instead of storing and processing all raw data, the system extracts relevant location information along the user's path, reducing data volume while maintaining precision for the specific navigation task.
Solution Approach 2:
The system applies different data processing quality to different segments of the movement line data. It stores complete high-precision trajectory data for locations that match search criteria, while using simplified or aggregated data for other segments, optimizing storage efficiency while maintaining navigation accuracy where needed.
Data Source
AI summary
A navigation server includes a network interface controller through which identification information and movement line information of a mobile terminal are received from the mobile terminal, the movement line information including location information and a timestamp, a storage device in which movement line data of the mobile terminal and location data of different places are stored, and a processor configured to extract the movement line data from the movement line information and record the extracted movement line data in the storage device. The processor, in response to a search criteria received from the mobile terminal through the network interface controller, generates using the movement line data and the location data of the different places, a navigation map that shows a place that is located along a route defined by the movement line data and meets the search criteria, and transmits the navigation map to the mobile terminal for display.