Location History Based Communication Group Formation
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Solution Overview
Problem
Existing communication systems lack the ability to dynamically form groups based on the location history of mobile stations, limiting the formation of communication groups related to past events or incidents.
Innovation Solution
A method and apparatus that allow for the formation of communication groups by receiving a group formation request specifying a location and time window, identifying mobile stations within a threshold area relative to the location during that time window, and creating a communication group including those stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If communication groups are formed based on current location only, then group formation is simple and fast, but groups cannot be formed related to past events or incidents
Solution Approach 1:
The system performs preliminary actions by continuously tracking and storing location history of mobile stations before group formation is needed. Location data is collected and maintained in a database in advance, so when a group formation request occurs, the system can immediately query historical location data without performing new tracking operations, thus enabling past event-related group formation without adding complex real-time tracking infrastructure
Solution Approach 2:
A location history database serves as an intermediary between mobile stations and the group formation system. The database stores location information from multiple mobile stations over time and provides it to the group formation system when needed. This intermediary component decouples the complexity of continuous location tracking from the group formation function, allowing versatile group formation based on historical data while keeping the group formation system itself relatively simple
2Measurement precision
If location history is tracked for all mobile stations, then accurate group formation based on past events is enabled, but system resources and storage requirements increase
Solution Approach 1:
The system applies local quality by storing location history data with varying detail levels based on specific needs. Instead of uniformly storing high-precision location data for all mobile stations indefinitely, the system stores location information at the granularity required for specific group formation scenarios. Location data can be stored with different precision levels (e.g., cell-level, sector-level, or specific coordinates) depending on the application requirements, thus achieving accurate group formation when needed while optimizing storage resource usage
Solution Approach 2:
The system implements partial action by tracking and storing location history for only the necessary duration and for the specific mobile stations relevant to potential group formation scenarios. Rather than indefinitely tracking all stations with maximum precision, the system retains location data for time windows sufficient to cover typical past event group formation needs (e.g., hours or days depending on application), and only for stations within relevant geographic areas, thereby achieving adequate measurement precision while limiting storage requirements to necessary minimum
Data Source
AI summary
Communication groups are formed based on mobile station location history. The process includes receiving, at a controller device, a group formation request from a requesting device, the request specifying a location and a time window, identifying one or more mobile stations determined to be within a threshold area relative to the location during the time window, and causing a communication group to be created including the identified one or more mobile stations. A further process includes a requesting device configured to identify a location and time window associated with an event, transmit a group formation request specifying the location and the time window and requesting formation of a communication group comprising mobile stations located within a threshold area relative to the location during the time window, and transmit using a communication group identifier provided to the requesting device.