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학술지 Remote Fault Detection Method for Time-Slot-Violated Terminal Using Periodic Probing Signal in TDM-PON
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저자
이병탁, 이문섭
발행일
200908
출처
IEEE/OSA Journal of Lightwave Technology, v.27 no.16, pp.3498-3508
ISSN
0733-8724
출판사
IEEE, OSA
DOI
https://dx.doi.org/10.1109/JLT.2008.2011566
협약과제
09ZH1100, 광가입자망(FTTH) 서비스 및 광통신 융합기술 개발 실험사업, 고재상
초록
Remote faulty terminal detection method in the time division-multiplexing passive optical networks is crucial, especially for the time-slot-violated faulty terminals. We previously demonstrated a detection method using a periodic probing signal. In this paper, we explain the method in details and analyze its performance limitation in multiple terminal cases to evaluate the validity scope of this method. Using a random process model, we show that the proposed method can detect the probing signal even though there is one 15-dB-stronger pseudorandom-binary-sequence bitstream (PRBS)-type faulty signal using a receiver with the bandpass filter's bandwidth below 0.47 MHz (Q = 21.3). This result shows that the proposed method can be useful for the current 1 Gbps gigabit-capable passive optical network (G-PON) and ethernet PON (E-PON) standards. © 2009 IEEE.
키워드
Access networks, E-PON, Fault detection, G-PON, Optical beat interference
KSP 제안 키워드
Band pass Filter(BPF), Fault detection method, Gigabit-capable passive optical network, Optical beat interference, Random process model, Remote fault, TDM-PON, Terminal detection, access network, performance limitation, time division