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A Novel Passive Tracking Scheme Exploiting Adaptive Line of Sight Links

Authors:
Deockhyeon Ahn
Jungpyo Lee
Chao Sun
Youngok Kim

Keywords: positioning; active tracking; passive tracking; adaptive links

Abstract:
The wide deployment of wireless access points and smart mobile devices has been recently addressed in the research field of positioning. In traditional positioning schemes, the target is assumed to hold a tag or a transceiver for being tracked and it is regarded as active tracking. However, the target without any tags nor transceivers can be tracked by using radio frequency tomography, and it is known as passive tracking. In this paper, we propose a passive tracking scheme exploiting adaptive line-of-sight links (LOSLs). In the proposed scheme, the LOSL between each of wireless mobile device and wireless access point can be constructed adaptively to enhance the tracking performance in indoor environment. It maintains only least links while waiting for detection of a target with minimum energy consumption. However, when a target is detected with the least links, we can get a more accurate trajectory of the target by adaptively increasing the complexity of the links higher. According to the simulation results, it is shown that the proposed scheme can enhance the positioning performance remarkably.

Pages: 15 to 18

Copyright: Copyright (c) IARIA, 2017

Publication date: May 21, 2017

Published in: conference

ISSN: 2308-4006

ISBN: 978-1-61208-554-8

Location: Barcelona, Spain

Dates: from May 21, 2017 to May 25, 2017