Comparison of radio frequency and optical architectures for deep-space communications via a relay satellite

G. Stephen Mecherle; Michael Horstein

doi:10.1117/12.184681

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16 August 1994 Comparison of radio frequency and optical architectures for deep-space communications via a relay satellite

G. Stephen Mecherle, Michael Horstein

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Proceedings Volume 2123, Free-Space Laser Communication Technologies VI; (1994) https://doi.org/10.1117/12.184681
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Parametric tradeoffs were performed for candidate technologies to support an orbiting relay satellite for communication with spacecraft in deep-space in the early 21st century. Both RF and optical system architectures were examined with a methodology which equitably compared the performance and attractiveness for the deep-space communication mission. Two candidate system architectures based on optical technologies were recommended for more detailed design-a system using coherent detection with an astronomical quality 4 meter telescope, and a system using direct detection with a 10 meter photon bucket telescope. Both of these systems appear capable of providing more than an order of magnitude improvement in communication performance over the DSN after it is upgraded to Ka Band.

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G. Stephen Mecherle and Michael Horstein "Comparison of radio frequency and optical architectures for deep-space communications via a relay satellite", Proc. SPIE 2123, Free-Space Laser Communication Technologies VI, (16 August 1994); https://doi.org/10.1117/12.184681

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