LDPC-coded MIMO optical communication over the atmospheric turbulence channel

Ivan B. Djordjevic, Stojan Denic, Jaime Anguita, Bane Vasic, Mark A. Neifeld

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

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. Biterror 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.

Original languageEnglish
Title of host publicationIEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings
Pages2220-2225
Number of pages6
DOIs
StatePublished - 2007
Externally publishedYes
Event50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007 - Washington, DC, United States
Duration: 26 Nov 200730 Nov 2007

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007
Country/TerritoryUnited States
CityWashington, DC
Period26/11/0730/11/07

Keywords

  • Atmospheric turbulence
  • Direct detection
  • Free-space optical (FSO) communications
  • Low-density paritycheck (LDPC) codes
  • Space-time coding

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