Tracking multiple mobile objects using IEEE 802.15.4-based ultrasonic sensor devices

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Tracking multiple mobile objects using IEEE 802.15.4-based ultrasonic sensor devices

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Symposium on Applied Computing archive
Proceedings of the 2007 ACM symposium on Applied computing table of contents

Seoul, Korea

SESSION: Ubiquitous computing: digital spaces, services and content table of contents

Pages: 1638 - 1639

Year of Publication: 2007

ISBN:1-59593-480-4

Authors

Shinyoung Yi	Yonsei University, Seoul, Korea
Jiyoung Yi	Yonsei University, Seoul, Korea
Hojung Cha	Yonsei University, Seoul, Korea

Sponsor

SIGAPP: ACM Special Interest Group on Applied Computing

Publisher

ACM New York, NY, USA

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ABSTRACT

An ultrasound tracking system is an inexpensive and accurate technique for indoor object tracking. In this paper, we describe an IEEE 802.15.4-based active tracking system that tracks multiple mobile objects effectively. We analyze the problems of the active tracking system with multiple objects and propose an adaptive beaconing algorithm as the solution. In our algorithm, mobile nodes overhear the beacon messages of other mobile nodes and adaptively adjust their beaconing periods to avoid a simultaneous ultrasound pulse. We implemented the tracking system in a real environment and measured the performance of the system. The experimental results show that our algorithm successfully works with multiple mobile nodes and improves performance on the success rate.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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