Multilevel coding in free-space optical MIMO transmission with Q-ary PPM over the atmospheric turbulence channel

Author

Djordjevic, Ivan B. ; Vasic, Bane ; Neifeld, Mark A.

Author_Institution

Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA

Volume

18

Issue

14

fYear

2006

fDate

7/1/2006 12:00:00 AM

Firstpage

1491

Lastpage

1493

Abstract

We propose an efficient coded modulation scheme for multiple input/multiple output free-space optical systems with Q-ary pulse-position modulation. It is based on multilevel coding and low-density parity-check codes as component codes. The proposed scheme provides excellent coding gain in the regime of strong atmospheric turbulence.

Keywords

MIMO systems; atmospheric optics; atmospheric turbulence; optical communication; optical modulation; parity check codes; MIMO transmission; Q-ary pulse-position modulation; atmospheric turbulence channel; coded modulation; coding gain; free-space optical communication systems; free-space optical transmission; low-density parity-check codes; multilevel coding; multiple input/multiple output optical systems; MIMO; Modulation coding; Optical attenuators; Optical modulation; Optical pulses; Optical receivers; Optical transmitters; Parity check codes; Pulse modulation; Radio frequency; Atmospheric turbulence channel; free-space optics; multilevel coding (MLC); multiple input/multiple output (MIMO) processing; pulse-position modulation (PPM);

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2006.877576

Filename

1644784