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Proceedings Paper

High-rate error-correction codes for the optical atmospheric channel
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Paper Abstract

We evaluate two error correction systems based on low-density parity-check (LDPC) codes for free-space optical (FSO) communication channels subject to atmospheric turbulence. We simulate the effect of turbulence on the received signal by modeling the channel with a gamma-gamma distribution. We compare the bit-error rate performance of these codes with the performance of Reed-Solomon codes of similar rate and obtain coding gains from 3 to 14 dB depending on the turbulence conditions.

Paper Details

Date Published: 31 August 2005
PDF: 7 pages
Proc. SPIE 5892, Free-Space Laser Communications V, 58920V (31 August 2005); doi: 10.1117/12.615760
Show Author Affiliations
Jaime A. Anguita, Univ. of Arizona (United States)
Ivan B. Djordjevic, Univ. of Arizona (United States)
Mark A. Neifeld, Univ. of Arizona (United States)
Bane V. Vasic, Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 5892:
Free-Space Laser Communications V
David G. Voelz; Jennifer C. Ricklin, Editor(s)

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