Constrained coding for the deep-space optical channel

Bruce Moision; Jon Hamkins

doi:10.1117/12.464086

26 April 2002 Constrained coding for the deep-space optical channel

Bruce Moision, Jon Hamkins

Proceedings Volume 4635, Free-Space Laser Communication Technologies XIV; (2002) https://doi.org/10.1117/12.464086
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

We investigate methods of coding for a channel subject to a large dead-time constraint, i.e., a constraint on the minimum spacing between transmitted pulses, with the deep-space optical channel as the motivating example. Several constrained codes designed to satisfy the dead-time constraint are considered and compared on the basis of throughput, complexity, and decoded error-rate. The performance of an iteratively decoded serial concatenation of a modulation code with an outer code is evaluated and shown to provide significant gains over Reed-Solomon concatenated with Pulse Position Modulation.

Citation Download Citation

Bruce Moision and Jon Hamkins "Constrained coding for the deep-space optical channel", Proc. SPIE 4635, Free-Space Laser Communication Technologies XIV, (26 April 2002); https://doi.org/10.1117/12.464086

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