Analysis of Atmospheric Effects of Satellite Laser Down-link Channel

위성 레이저 하향 채널의 대기 영향 분석

  • 김원호 (공주대학교 전기전자제어공학부, IT융합기술연구소)
  • Received : 2017.12.15
  • Accepted : 2017.12.22
  • Published : 2017.12.31

Abstract

This paper describes atmospheric phenomena and effects for satellite-to-ground laser communication channel. Satellite laser communication has advantages such as very high bandwidth, inherent security, robustness to electromagnetic interference, unlicensed frequency band. However, satellite laser communication is affected by various factors. Transmission quality is degraded by factors as system loss, geometric loss, misalignment loss, atmospheric loss. Atmospheric loss is major factor of performance degradation. In this paper, the atmospheric phenomena such as absorption, scattering and turbulence are discussed and analyzed for developing satellite laser channel model and laser transmission scheme robust to atmospheric phenomena.

Keywords

References

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