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A Simple Object Tracking System Using ITDOA without Time Synchronization
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- Authors
- Sang Young Park, Hyo-Sung Ahn, Won Pil Yu
- Issue Date
- 2007-02
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2007, pp.2026-2028
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- 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 Keywords
- 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