Performance analysis of optical DPSK modulation for high speed satellite to ground laser communications

Xin Zhao; Zheng Zheng; Shouheng Shu; Lin An

doi:10.1117/12.657245

4 January 2006 Performance analysis of optical DPSK modulation for high speed satellite to ground laser communications

Xin Zhao, Zheng Zheng, Shouheng Shu, Lin An

Proceedings Volume 5985, International Conference on Space Information Technology; 59851F (2006) https://doi.org/10.1117/12.657245
Event: International Conference on Space information Technology, 2005, Wuhan, China

Abstract

We here study the transmission performance of differential phase-shift keying (DPSK) modulation compared to the traditional On-Off keying (OOK) modulation in the potential high speed satellite to ground laser communication applications. By modeling the channel from the satellite to ground using widely accepted theoretical model and measured results, we estimate the scintillation-induced received power fluctuation. Through simulations, we show that DPSK systems using direct detection with balanced receivers has a clear advantages in performance over the OOK, especially under significant scintillation in the atmosphere.

Citation Download Citation

Xin Zhao, Zheng Zheng, Shouheng Shu, and Lin An "Performance analysis of optical DPSK modulation for high speed satellite to ground laser communications", Proc. SPIE 5985, International Conference on Space Information Technology, 59851F (4 January 2006); https://doi.org/10.1117/12.657245

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