Nonbinary Quasi-Cyclic LDPC-Based Coded Modulation for Beyond 100-Gb/s Transmission

Author

Arabaci, Murat ; Djordjevic, Ivan B. ; Saunders, Ross ; Marcoccia, Roberto M.

Author_Institution

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

Volume

22

Issue

6

fYear

2010

fDate

3/15/2010 12:00:00 AM

Firstpage

434

Lastpage

436

Abstract

We propose using coded modulation based on nonbinary quasi-cyclic low-density parity-check (LDPC) codes for beyond 100-Gb/s optical transmission. The proposed scheme not only lowers the latency in the system but also offers much higher coding gains than its binary counterpart based on bit-interleaved coded modulation (BICM). We show that using component LDPC codes over high order finite fields and matching bandwidth-efficient modulations, our scheme can provide around 1-dB coding gain improvement at the bit-error ratio of 10^-6 compared to a corresponding BICM-based scheme.

Keywords

binary codes; cyclic codes; light transmission; optical fibre communication; parity check codes; bit rate 100 Gbit/s; bit-interleaved coded modulation; nonbinary quasi-cyclic LDPC-based coded modulation; nonbinary quasi-cyclic low-density parity-check codes; optical transmission; Forward-error correction; low-density parity-check (LDPC) codes; optical communication; quasi-cyclic codes;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2010.2040981

Filename

5404879