Event-Based Location Tracking for Mobile Stations
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Solution Overview
Problem
Conventional wide area wireless networks experience latency and inefficient bandwidth usage due to polling for mobile station location, which can lead to failed location-based application invocations and misuse of network resources.
Innovation Solution
A method and system that track mobile station location by detecting changes in Access Network Identifier (ANID), updating a registrar database only when the ANID changes, and invoking location-based applications and user preferences accordingly, thereby conserving bandwidth by eliminating periodic polling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the network periodically polls the mobile station to determine its location, then the location-based application can be invoked, but the system experiences increased latency and inefficient bandwidth usage
Solution Approach 1:
The patent replaces periodic polling with event-driven location updates. Instead of continuously polling the mobile station at fixed time intervals, the system triggers location updates only when the mobile station actually changes its location (when ANID changes). This eliminates unnecessary periodic communications while ensuring location-based applications are invoked timely.
Solution Approach 2:
The mobile station autonomously determines its own location status by monitoring ANID changes and proactively notifies the network only when location changes occur. This self-service mechanism eliminates the need for the network to continuously poll the mobile station, reducing system latency and bandwidth consumption.
2Loss of information
If the network periodically polls the mobile station to determine its location, then the location of the mobile station can be tracked, but valuable bandwidth resources are consumed
Solution Approach 1:
The patent transforms continuous periodic polling into event-triggered updates. Location information is transmitted only when the mobile station's ANID changes, eliminating redundant bandwidth consumption associated with periodic polls when the mobile station remains stationary.
Solution Approach 2:
The patent extracts only the essential location update information (ANID changes) from the mobile station and transmits it to the network. This selective information transmission eliminates unnecessary data traffic while maintaining accurate location tracking.
3Loss of information
If a location-based application periodically polls the mobile station, then the application can determine the mobile station's location, but network bandwidth is inefficiently used when the mobile station has not moved
Solution Approach 1:
The mobile station autonomously monitors its own location status by detecting ANID changes and initiates updates only when location changes occur. This eliminates the need for application-layer polling and associated bandwidth consumption when the mobile station remains stationary.
Solution Approach 2:
The mobile station proactively detects location changes and notifies the network before the application would need to poll for updated location information. This preliminary action eliminates the need for subsequent polling cycles and associated bandwidth consumption.
Data Source
AI summary
The present invention reduces latencies in a wireless network while decreasing bandwidth usage in the wireless network for mobile stations. The wireless network monitors the current access network identifier for a mobile station. Upon detecting a change in current access network identifier due to movement of the mobile station, the wireless network generates and transmits one or more messages containing the changed current access network identifier. The messages are subsequently processed and a portion of the wireless system registrar database corresponding to the mobile station is updated to reflect the change in current access network identifier. Based upon the change in the location of the mobile station, the wireless network invokes or ends corresponding location-based options.