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A new spectral-efficient image processing based scheme is proposed to blindly estimate the common phase error of coherent optical orthogonal frequency division multiplexing system. The scheme provides new perspective for compensating laser phase noise effect through simple image processing techniques used in computer vision. It shows comparable performance with conventional pilot aided method but...
We revisit the treatment of laser phase noise, with particular application to coherent and differential phase-shift keyed (PSK) systems, developing a considerably simplified yet very accurate analysis based on the phase-noiseexponentcommutation (PNEC) premise that the receive filtering may be effectively applied in the polar (angular) domain and treating for the first time arbitrary transmit pulses...
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