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Proceedings Paper

Direct detection optical relay satellite for deep-space communication
Author(s): G. Stephen Mecherle; Wade Akle; Charles John Starkus; James Eugene Klein
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Paper Abstract

This paper describes an earth orbiting Deep Space Relay Satellite System (DSRSS) based on optical direct detection communication for the user spacecraft to DSRS link. The optical direct detection DSRSS is considered as a possible augmentation to the Deep Space Network (DSN), after the 70 meter antennas are upgraded to Ka Band near the turn of the century. While development is required, the extrapolation from current technology appears relatively straightforward, and the direct detection system appears capable of exceeding an order of magnitude improvement over the upgraded Ka Band DSN. For example, with a 75 cm aperture on the user spacecraft, the optical direct detection system provides a capability of 1.23 Mbps at Pluto, a 13 dB advantage over the upgraded DSN. The direct detection system can also provide 0.83 Mbps with a 60 cm user aperture, an 11 dB improvement.

Paper Details

Date Published: 16 August 1994
PDF: 22 pages
Proc. SPIE 2123, Free-Space Laser Communication Technologies VI, (16 August 1994); doi: 10.1117/12.184643
Show Author Affiliations
G. Stephen Mecherle, TRW Space & Electronics Group (United States)
Wade Akle, TRW Space & Electronics Group (United States)
Charles John Starkus, TRW Space & Electronics Group (United States)
James Eugene Klein, TRW Space & Electronics Group (United States)

Published in SPIE Proceedings Vol. 2123:
Free-Space Laser Communication Technologies VI
G. Stephen Mecherle, Editor(s)

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