Fiber-connected position localization sensor networks

Shilong Pan; Dan Zhu; Jianbin Fu; Tingfeng Yao

doi:10.1117/12.2073593

3 December 2014 Fiber-connected position localization sensor networks

Shilong Pan, Dan Zhu, Jianbin Fu, Tingfeng Yao

Proceedings Volume 9267, Semiconductor Lasers and Applications VI; 92670C (2014) https://doi.org/10.1117/12.2073593
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

Position localization has drawn great attention due to its wide applications in radars, sonars, electronic warfare, wireless communications and so on. Photonic approaches to realize position localization can achieve high-resolution, which also provides the possibility to move the signal processing from each sensor node to the central station, thanks to the low loss, immunity to electromagnetic interference (EMI) and broad bandwidth brought by the photonic technologies. In this paper, we present a review on the recent works of position localization based on photonic technologies. A fiber-connected ultra-wideband (UWB) sensor network using optical time-division multiplexing (OTDM) is proposed to realize high-resolution localization and moving the signal processing to the central station. A 3.9-cm high spatial resolution is achieved. A wavelength-division multiplexed (WDM) fiber-connected sensor network is also demonstrated to realize location which is independent of the received signal format.

Citation Download Citation

Shilong Pan, Dan Zhu, Jianbin Fu, and Tingfeng Yao "Fiber-connected position localization sensor networks", Proc. SPIE 9267, Semiconductor Lasers and Applications VI, 92670C (3 December 2014); https://doi.org/10.1117/12.2073593

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KEYWORDS

Sensors

Sensor networks

Fiber optics sensors

Signal processing

Single mode fibers

Wavelength division multiplexing

Multiplexing

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