Performance Analysis of Coherent Atmospheric Optical Communications with Soft-Decision Forward Error Correction

Jin Jing Tao; Jin Nan  Zhang; Yang An Zhang; Yong Qing Huang; Xue Guang Yuan; Yu Peng Li

doi:10.4028/www.scientific.net/AMM.347-350.1856

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 347-350Performance Analysis of Coherent Atmospheric...

Performance Analysis of Coherent Atmospheric Optical Communications with Soft-Decision Forward Error Correction

Abstract:

Performance of coherent atmospheric optical communication system with heterodyne detection and LDPC codes was evaluated over atmospheric channel attenuations of which are about 20-30 dB/km. To reduce bit error and enhance the system performance LDPC code was implemented in system. Combining coherent detection and LDPC codes could reduce the received power requirement ~4 dBm at the BER of 10^-9.

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Periodical:

Applied Mechanics and Materials (Volumes 347-350)

Pages:

1856-1859

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.347-350.1856

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Online since:

August 2013

Authors:

Jin Jing Tao, Jin Nan Zhang, Yang An Zhang, Yong Qing Huang, Xue Guang Yuan, Yu Peng Li

Keywords:

Atmospheric Optical Communication, Coherent Detection, Forward Error Correction (FEC), Low-Density Parity-Check (LDPC) Codes

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