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학술지 Performance Enhancement by Threshold Level Control of a Receiver in WDM-PON System with Manchester Coded Downstream and NRZ Upstream Re-Modulation
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저자
김봉규, 정환석, 장순혁, 박상조
발행일
200809
출처
IEICE Transactions on Communications, v.E91-B no.9, pp.2994-2997
ISSN
0916-8516
출판사
일본, 전자정보통신학회 (IEICE)
DOI
https://dx.doi.org/10.1093/ietcom/e91-b.9.2994
협약과제
07ZT1100, 광가입자망(FTTH)서비스 개발 실험사업, 김봉태
초록
We propose and demonstrate a scheme enhancing the performance of optical access networks with Manchester coded downstream and re-modulated NRZ coded upstream. It is achieved by threshold level control of a limiting amplifier at a receiver, and the minimum sensitivity of upstream is significantly improved for the re-modulation scheme with 5 Gb/s Manchester coded downstream and 2.488 Gb/s NRZ upstream data rates. Copyright © 2008 The Institute of Electronics, Information and Communication Engineers.
KSP 제안 키워드
Information and communication, Limiting amplifier, Minimum sensitivity, Modulation scheme, Optical access network, PON system, Wavelength-division-multiplexing passive optical network(WDM-PON), data rate, level control, performance enhancement, re-modulation