A group management scheme for an efficient location-based service

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A group management scheme for an efficient location-based service

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Symposium on Applied Computing archive
Proceedings of the 2008 ACM symposium on Applied computing table of contents

Fortaleza, Ceara, Brazil

SESSION: Adaptive techniques in operating systems table of contents

Pages 1705-1709

Year of Publication: 2008

ISBN:978-1-59593-753-7

Authors

Junghoon Lee	Cheju National University, Rep. of Korea
Gyung-Leen Park	Cheju National University, Rep. of Korea
Chang Oan Sung	Indiana University, Southeast
Sang-Wook Kim	Hanyang University, Seoul, Rep. of Korea

Sponsor

SIGAPP: ACM Special Interest Group on Applied Computing

Publisher

ACM New York, NY, USA

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ABSTRACT

This paper proposes and evaluates the performance of a cooperative position fix scheme built on top of a group management mechanism supported typically in the embedded operating system. The main goal is to enhance the accuracy of map matching and thus the quality of diverse LBSs without an extra equipment. Designed on the telematics network consist of many in-vehicle telematics devices moving on the road network, the proposed scheme enables each device to collect the GPS readings from its neighbors through the air interface when necessary. With at least 3 affirmative points having a unique segment to match, the GPS deviation can be calculated from a system of indeterminate equations, and then used to improve positioning accuracy. The performance measurement result shows that the proposed scheme can reduce ambiguous points from 32.0 % to 20.6 %, while the number of points having affirmity larger than 3.0 was also increased from 61.0 % to 71.2 %, sharpening the gap between the best two matches.

REFERENCES

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