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학술지 Demonstration of 3×341-Gb/s PDM-OFDM-256 Iterative Polar Modulation Signals over 495 km of a Field-Deployed WDM System
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저자
S. Chandrasekhar, X. Liu, P. J. Winzer, T. H. Lotz, 윤천주, 권용환, 남은수
발행일
201502
출처
IEEE/OSA Journal of Lightwave Technology, v.33 no.3, pp.625-630
ISSN
0733-8724
출판사
IEEE, OSA
DOI
https://dx.doi.org/10.1109/JLT.2014.2363383
협약과제
14MB1100, 소프트웨어 정의 네트워크(SDN) 기반 Flexible 광노드 핵심기술 개발, 권용환
초록
We report a field demonstration of transmission of 1.44 Tb/s over the Korean Advanced Research Network using three 341-Gb/s PDM-OFDM signals with 256-iterative-polar-modulation. The dispersion managed commercial wavelength-division multiplexed (WDM) transmission system, deployed on legacy fiber and supporting WDM transmission on a 100-GHz grid, covered the distance of 248 km between Daejeon and Seoul. Using a loop-back configuration, the three channels were transmitted over a total distance of 495 km. Successful transmission was achieved by adopting both a digital signal processing-based intersymbol-interference compensation technique and an enhanced soft-decision decoder for the coded modulaton.
키워드
Bit Interleaved Coded Modulation with Iterative Decoding (BICM-ID), Coherent communications, Iterative-Polar-Modulation (IPM), Phase modulation, Polarization-Division Multiplexing (PDM)
KSP 제안 키워드
BICM-ID, Coherent Communications, Digital Signal Processing, Interference compensation, Iterative Decoding, OFDM signal, Soft-decision, Three channels, Total distance, Transmission system, WDM system