Experimental research and comparison of LDPC and RS channel coding in ultraviolet communication systems | Zendy

Menglong Wu | Zendy; Dahai Han | Zendy; Xiang Zhang | Zendy; Feng Zhang | Zendy; Min Zhang | Zendy; Guangxin Yue | Zendy

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Experimental research and comparison of LDPC and RS channel coding in ultraviolet communication systems

Author(s) -

Menglong Wu,

Dahai Han,

Xiang Zhang,

Feng Zhang,

Min Zhang,

Guangxin Yue

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.005422

Subject(s) - low density parity check code , non line of sight propagation , computer science , forward error correction , communications system , bit error rate , codec , coding (social sciences) , ultraviolet , channel (broadcasting) , optical communication , algorithm , optics , electronic engineering , decoding methods , telecommunications , physics , mathematics , wireless , statistics , engineering

We have implemented a modified Low-Density Parity-Check (LDPC) codec algorithm in ultraviolet (UV) communication system. Simulations are conducted with measured parameters to evaluate the LDPC-based UV system performance. Moreover, LDPC (960, 480) and RS (18, 10) are implemented and experimented via a non-line-of-sight (NLOS) UV test bed. The experimental results are in agreement with the simulation and suggest that based on the given power and 10(-3)bit error rate (BER), in comparison with an uncoded system, average communication distance increases 32% with RS code, while 78% with LDPC code.

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