Research Article
Analysis of improved performance for a satellite-to-ground coherent optical communication system with DQPSK modulation due to phase estimation
@INPROCEEDINGS{10.4108/chinacom.2010.94, author={Peng Liu and Juanjuan Yan and Zheng Zheng}, title={Analysis of improved performance for a satellite-to-ground coherent optical communication system with DQPSK modulation due to phase estimation}, proceedings={5th International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2011}, month={1}, keywords={satellite-to-ground optical communication coherent detection DQPSK atmospheric turbulence}, doi={10.4108/chinacom.2010.94} }- Peng Liu
Juanjuan Yan
Zheng Zheng
Year: 2011
Analysis of improved performance for a satellite-to-ground coherent optical communication system with DQPSK modulation due to phase estimation
CHINACOM
ICST
DOI: 10.4108/chinacom.2010.94
Abstract
The performance of a satellite-to-ground optical communication system with phase modulation is limited by phase fluctuations induced by atmospheric turbulence. To improve the system performance, one effective way is to use coherent detection. In this paper, a satellite-to-ground coherent optical communication system with differential quadrature phase-shift keying (DQPSK) modulation is studied, and a phase estimation algorithm based on M-th power scheme is used. The simulation results show that the phase noise induced by atmospheric turbulence can be suppressed greatly.
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