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- W2006062843 abstract "역 RZ 부호로 코딩된 하향신호의 재변조를 이용한 5Gbps/1.25Gbps WDM/TDM 하이브리드 PON 구조를 제안하고, 매트랩을 이용한 모의실험을 통하여 성능을 분석한다. 모의실험을 통하여 OLT와 ONU간 거리가 10km이고 오차율이 <TEX>$10^{-9}$</TEX>일 경우OLT에서의 광송신출력이 각각 -3.8, -0.9dBm 이상이면 OLT에 있는 1개의 OLT가 각각 8, 16개의 ONU와 접속이 가능함을 알 수 있다. 제안된 WDM/TDM 하이브리드 PON 시스템은 일반적인 TDM PON에서 ONU 수에 비례하여 시분할로 다중된 상향채널의 속도가 증가하게 되어 가입자에서 송신하는 상향채널의 데이터 속도가 제한을 받을 수 있는 문제점을 해결할 수 있고, ONU에서 광원 및 OLT에서 광파장 제어회로를 제거할 수 있어 비대칭 광가입자망에 유용한 방식임을 알 수 있다. I propose the 5Gbps/1.25Gbps WDM/TDM hybrid Passive Optical Network(PON) with inverse RZ(Return to Zero) code coded downstream and NRZ(Non Return to Zero) upstream re-modulation and analyze its performance by performing simulation with MATLAB. The results have shown that an optical line termination (OLT) can be connected to 8, 16 optical network unit (ONU)s with the Bit Error Rate(BER) of <TEX>$10^{-9}$</TEX> when the distance between OLT and ONU is 10Km and transmitted optical powers are more than -3.8, -0.9dBm, respectively. The proposed WDM/TDM hybrid PON system can solve the problem of data rate limit in upstream which happened in the conventional TDM PON because the upstream data rate is proportional to ONU and does not require a light source in ONU and its control circuits in OLT, thus can be a useful technology for asymmetric optical subscriber networks." @default.
- W2006062843 created "2016-06-24" @default.
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- W2006062843 date "2012-08-31" @default.
- W2006062843 modified "2023-10-03" @default.
- W2006062843 title "Performance Analysis of 5Gbps/1.25Gbps WDM/TDM Hybrid Passive Optical Network with Inverse Return to Zero(RZ) coded Downstream and NRZ upstream re-modulation by Performing Simulation with MATLAB" @default.
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- W2006062843 doi "https://doi.org/10.9708/jksci.2012.17.8.051" @default.
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