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학술지 Effect of IQ Mismatch Compensation in an Optical Coherent OFDM Receiver
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저자
정환석, 장순혁, 김광준
발행일
201003
출처
IEEE Photonics Technology Letters, v.22 no.5, pp.308-310
ISSN
1041-1135
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LPT.2009.2039208
협약과제
09MH1200, 100Gbps급 이더넷 및 광전송기술개발, 김광준
초록
The performance enhancement using the Gram-Schmidt orthogonalization procedure (GSOP) for compensating transmitter (Tx) and receiver (Rx) in-phase/quadrature (IQ) mismatch in the coherent optical orthogonal frequency-division-multiplexing system is investigated. The analytic result containing frequency offset is presented to describe the different behavior of Tx and Rx IQ mismatch. Bit-error-rate curves measured at back-to-back and 1040-km transmission over single-mode fiber indicate that the GSOP is more efficient to compensate of Rx IQ mismatch than Tx IQ mismatch. © 2010 IEEE.
KSP 제안 키워드
Analytic result, Bit-error-rate(BER), Coherent OFDM, Gram-Schmidt orthogonalization procedure(GSOP), IQ mismatch, In-phase, Mismatch compensation, OFDM receiver, Optical coherent, Orthogonal frequency division Multiplexing(OFDM), Single-mode fiber(SMF)