Experimental Evaluation of LDPC-coded OAM Based FSO Communication in the Presence of Atmospheric Turbulence

被引：0
|
作者：
Qu, Zhen [1 ]
Djordjevic, Ivan B. [1 ]
机构：
[1] Univ Arizona, Dept Elect & Comp Engn, 1230 E Speedway Blvd, Tucson, AZ 85721 USA
来源：
2015 12TH INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS IN MODERN SATELLITE, CABLE AND BROADCASTING SERVICES (TELSIKS) | 2015年
关键词：
Low-density parity check (LDPC) coding; Orbital angular momentum (OAM); Free-space optical (FSO) communication; OAM multiplexing; atmospheric turbulence; ORBITAL-ANGULAR-MOMENTUM; GAUSSIAN LASER MODES; BEAMS; TRANSMISSION; LIGHT; FIBER; LINK; CROSSTALK; CHANNEL;
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：
A low-density parity check (LDPC)-coded orbital angular momentum (OAM)-based free-space optical (FSO) transmission system is experimentally studied in both the absence and presence of emulator-induced atmospheric turbulence. In the presence of turbulence, the coding gains larger than 6.8. dB are obtained at BER of 10(-4) for single OAM mode and dramatic improvement is found in case of LDPC-coded OAM multiplexing of states +/- 2, +/- 5 as uncoded case enters into an early error floor phenomenon.
引用
收藏
页码：117 / 122
页数：6
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