Liu Wenkai, Zhang Feng, Wu Menglong, et al. Research on LDPC coding in ultraviolet communication systems and its implementation[J]. 2014,(5):63-65. DOI: 10.13756/j.gtxyj.2014.05.19.
Noises brings about obvious interferences with signals in Ultraviolet(UV)communication systems.For the purpose of improving the system communication quality
this paper implements an improved Low-Density Parity-Check(LDPC)codec algorithm and simulates its Non-Line-Of-Sight(NLOS)performances on a UV channel model.It conducts experiments on a LDPC(960
480)and RS(18
10)codec test bed.The experimental result shows that under the conditions of given power and10-6 bit error rate
the reliable communication range increases by only 42% with RS relative to uncoded systems
but by 100%with LPDC
thus effectively improving the communication performance.