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Performance of a satellite-to-ground downlink coherent lasercom system with random tracking error of receiver

  • Liying Tan
  • Qingbo Yang
  • Jing Ma
  • Siyuan Yu
  • Qiqi Han
  • Yijun Jiang
Article

Abstract

We analyze the performance of a satellite-to-ground downlink coherent lasercom system taking into account the combined effects of atmospheric wavefront aberration and tracking error of the receiver. We revise the wavefront phase variance in the case where the tracking error of the receiver terminal is present. We consider the example of the BPSK modulation scheme and show that the tracking error of the receiver terminal greatly increases the bit error probability of the coherent system. We show the optimum aperture diameter of the receiver. This study can benefit the satellite-to-ground downlink coherent lasercom system design.

Keywords

coherent lasercom satellite-to-ground downlink atmospheric turbulence tracking error 

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Copyright information

© Springer Science+Business Media, Inc. 2011

Authors and Affiliations

  • Liying Tan
    • 1
  • Qingbo Yang
    • 1
  • Jing Ma
    • 1
  • Siyuan Yu
    • 1
  • Qiqi Han
    • 1
  • Yijun Jiang
    • 1
  1. 1.National Key Laboratory of Tunable Laser TechnologyHarbin Institute of TechnologyHarbinChina

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