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

Jaime A. Anguita; Ivan B. Djordjevic; Mark A. Neifeld; Bane V. Vasic

doi:10.1117/12.615760

31 August 2005 High-rate error-correction codes for the optical atmospheric channel

Jaime A. Anguita; Ivan B. Djordjevic; Mark A. Neifeld; Bane V. Vasic

Author Affiliations +

Proceedings Volume 5892, Free-Space Laser Communications V; 58920V (2005) https://doi.org/10.1117/12.615760
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

Jaime A. Anguita, Jaime A. Anguita, Ivan B. Djordjevic, Ivan B. Djordjevic, Mark A. Neifeld, Mark A. Neifeld, Bane V. Vasic, Bane V. Vasic, } "High-rate error-correction codes for the optical atmospheric channel", Proc. SPIE 5892, Free-Space Laser Communications V, 58920V (31 August 2005); doi: 10.1117/12.615760; https://doi.org/10.1117/12.615760

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