2022
DOI: 10.3390/electronics11040565
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Near-Nyquist-Limit Optical Communication and Ranging Method Based on Waveform Matched PPM

Abstract: Deep-space optical communication and ranging technologies have attracted much attention for satellite-to-earth and moon-to-earth exploration. In integrated communication and ranging scenarios, non-integer oversampling factors are employed to improve the ranging performance, which can cause accumulated timing errors. We propose a novel pulse position modulation (PPM) symbol decision method based on waveform matching to reduce the impact of accumulated timing errors near the Nyquist sampling limit. Simulation re… Show more

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