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학술대회 A Simple Object Tracking System Using ITDOA without Time Synchronization
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저자
박상영, 안효성, 유원필
발행일
200702
출처
International Conference on Advanced Communication Technology (ICACT) 2007, pp.2026-2028
DOI
https://dx.doi.org/10.1109/ICACT.2007.358770
협약과제
06MI1300, USN 기반 Ubiquitous Robotic Space 기술 개발, 유원필
초록
These days, there has been an increasing demand for a simple and more accurate localization technique. In this paper, we propose a simple scheme for tracking object's movement and system for tracking object. This scheme is based on the difference of signal's arrival times, which is so-called inter-node time difference-of-arrival (ITDOA). It has a similar measurement characteristic to classical time difference-of-arrival (TDOA) measurement. However, the ITDOA scheme has an advantage over TDOA; that is it does not require any time synchronization between reference nodes. We evaluate the performance of ITDOA scheme using network simulator (NS-2).
KSP 제안 키워드
Accurate Localization, Network simulator(NS), Network simulator-2(NS2), Object tracking system, Reference nodes, Simple object tracking, Time Difference of Arrival(TDOA), Time synchronization, Tracking objects, inter-node