Investigation of punctured LDPC codes and time-diversity on free-space optical links

Martin Czaputa, Tomaz Javornik, Erich Leitgeb, Gorazd Kandus, Zabih Ghassemlooy

Research output: Contribution to conferencePaperpeer-review

6 Citations (Scopus)

Abstract

In this paper, we analyze the behavior of DVB-S2 un-punctured/punctured low-density parity-check (LDPC) coded on-off-keying (OOK) under atmospheric turbulence conditions by utilizing time diversity. A performance characterization between these schemes is evaluated, where punctured LDPC code provides a penalty of around 0.1 to 0.2 dB against unpunctured LDPC codes but still provides a coding gain of several dB against uncoded OOK. The combination of channel coding and a bit interleaver results in performance improvements in turbulence conditions. For example, such a system can achieve a coding gain of 16.7 dB in moderate turbulence conditions compared to uncoded OOK.
Original languageEnglish
Publication statusPublished - Jun 2011
Event11th international conference on Telecommunications - ConTEL2011 - Graz University of Technology, Graz , Austria.
Duration: 1 Jun 2011 → …

Conference

Conference11th international conference on Telecommunications - ConTEL2011
Period1/06/11 → …

Fingerprint

Dive into the research topics of 'Investigation of punctured LDPC codes and time-diversity on free-space optical links'. Together they form a unique fingerprint.

Cite this