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|Title:||Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems|
laser phase noise
orthogonal frequency-division multiplexing (OFDM)
|Source:||Cao, S., Kam, P.Y., Yu, C. (2012). Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems. IEEE Photonics Technology Letters 24 (22) : 2067-2069. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2012.2219522|
|Abstract:||We propose two phase estimation methods for coherent optical orthogonal frequency-division multiplexing (OFDM) systems, the decision-aided (DA) plus pilot-aided (PA) scheme and DA plus decision feedback (DF) scheme. We further investigate the combinations of DA, PA, and DF in a simulated 40-Gb/s single polarization system. DA+PA helps to increase the phase noise tolerance of DA and reduce the overhead of PA, while DA+DF reduces the overhead to zero and achieves the best performance with one more step of estimation, compensation, and demodulation. © 1989-2012 IEEE.|
|Source Title:||IEEE Photonics Technology Letters|
|Appears in Collections:||Staff Publications|
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