Performance of convolutionally coded optical M-PPM systems with imperfect slot synchronization

Performance of convolutionally coded M-ary pulse position modulation (M-PPM) systems in the presence of slot synchronization errors is evaluated for the shot-noise-limited photon-counting receiver and the avalanche photodetection receiver. Both hard and soft ( delta -max) demodulation results are given, and two soft-decision metrics are investigated.<
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