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Proceedings Article

Link analysis of Mars-Earth optical communications system

[+] Author Affiliations
Farzana I. Khatri, Don M. Boroson, Daniel V. Murphy, Jaya Sharma

MIT Lincoln Lab. (USA)

Proc. SPIE 5338, Free-Space Laser Communication Technologies XVI, 143 (June 16, 2004); doi:10.1117/12.543009
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From Conference Volume 5338

  • Free-Space Laser Communication Technologies XVI
  • G. S. Mecherle; Cynthia Y. Young; John S. Stryjewski
  • San Jose, Ca | January 25, 2004

abstract

A systems-level analysis of a high data rate Mars to Earth optical communications link is presented. A feasibility of a minimum 10 Mb/s optical link with the possibility of achieving > 100 Mb/s under certain conditions will be shown. The link design employs a Pulse Position Modulated (PPM) 1.06 μm Mars transmitter with a photon-counting Earth receiver. This study will characterize system performance (link data rate) as a function of orbital position including the complex diurnal and annual variations in the Mars-Earth system. Key system impairments that vary diurnally/annually include loss and turbulence due to the Earth's atmosphere, daytime/nighttime sky background noise, background noise from Mars itself, and space loss due to the relative planetary distances. In addition, transmitter/receiver design parameters and their impact on system performance are discussed.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Farzana I. Khatri ; Don M. Boroson ; Daniel V. Murphy and Jaya Sharma
"Link analysis of Mars-Earth optical communications system", Proc. SPIE 5338, Free-Space Laser Communication Technologies XVI, 143 (June 16, 2004); doi:10.1117/12.543009; http://dx.doi.org/10.1117/12.543009


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