Link analysis of Mars-Earth optical communications system

Farzana I. Khatri; Don M. Boroson; Daniel V. Murphy; Jaya Sharma

doi:10.1117/12.543009

16 June 2004 Link analysis of Mars-Earth optical communications system

Farzana I. Khatri, Don M. Boroson, Daniel V. Murphy, Jaya Sharma

Proceedings Volume 5338, Free-Space Laser Communication Technologies XVI; (2004) https://doi.org/10.1117/12.543009
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

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.

Citation Download 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, (16 June 2004); https://doi.org/10.1117/12.543009

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