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http://dx.doi.org/10.7840/KICS.2011.36B.10.1216

Fiber Sensor Network for Vessel Monitoring based on Code Division Multiple Access  

Kim, Young-Bok (광주과학기술원 정보통신공학과 광통신 연구실)
Lee, Seong-Ro (목포대학교 정보전자공학과)
Jeon, Sie-Wook (광주과학기술원 정보통신공학과 광통신 연구실)
Park, Chang-Soo (광주과학기술원 정보통신공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.10B, 2011 , pp. 1216-1221 More about this Journal
Abstract
We propose a multiplexed fiber Bragg grating (FBG) sensor network for vessel monitoring to measure the variation of strain and temperature by environmental perturbation based on code division multiple access (CDMA). The center wavelength of FBG was linearly changed by environmental perturbation such as strain and temperature variation so that we could be monitoring the state of sensors. A RSOA was used as optical broadband source and which was modulated by using pseudo random binary sequence (PRBS) signal. The correlation peak of reflected signal from sensor networks was measured. In this paper, we used the sliding correlation techniques for high speed response and dynamic rage of sensors.
Keywords
Vessel sensor; CDMA; Sensor network; FBG; Sliding correlation;
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