LDPC-Coded MIMO optical communication over the atmospheric turbulence channel

被引：0
|
作者：
Djordjevic, Ivan B. [1 ]
Denic, Stojan [1 ]
Anguita, Jaime [1 ]
Vasic, Bane [1 ]
Neifeld, Mark A. [1 ]
机构：
[1] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA
来源：
GLOBECOM 2007: 2007 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-11 | 2007年
关键词：
free-space optical (FSO) communications; atmospheric turbulence; space-time coding; low-density parity-check (LDPC) codes; direct detection;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We describe a multiple optical sources-multiple detectors scheme, based on either repetition MIMO or space-time coding and low-density parity-check (LDPC) codes. The proposed scheme is able to operate under strong atmospheric turbulence and provides excellent coding gains. The LDPC codes are designed using the concept of pairwise-balanced designs. Bit-error rates and achievable information rates are reported assuming non-ideal photodetection. To improve the spectral efficiency we employ the concept of bit-interleaved LDPC-coded modulation based on pulse-amplitude modulation.
引用
收藏
页码：2220 / 2225
页数：6
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