Mobility

ROADTRACK: Scaling Location Updates for Mobile Clients on Road Networks With Query Awareness

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Executive Summary

Mobile commerce and Location Based Services (LBS) are some of the fastest growing IT industries in the last five years. Location update of mobile clients is a fundamental capability in mobile commerce and all types of LBS. Higher update frequency leads to higher accuracy, but incurs unacceptably high cost of location management at the location servers. The authors propose ROADTRACK - a road network based, query-aware location update framework with two unique features. First, they introduce the concept of precincts to control the granularity of location update resolution for mobile clients that are not of interest to any active location query services.

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