Design and Implementation of Long High-Rate QC-LDPC Codes and Its Applications to Optical Transmission Systems

被引：1

作者：

Kamiya, Norifumi ^{[1
]}

Hashimoto, Yoichi ^{[2
]}

Shigihara, Masahiro ^{[3
]}

机构：

[1] NEC Corp Ltd, Knowledge Discovery Res Labs, Kawasaki, Kanagawa 2118666, Japan

[2] NEC Corp Ltd, Green Platform Res Labs, Kawasaki, Kanagawa 2118666, Japan

[3] NEC Commun Syst Ltd, Sendai, Miyagi 9800021, Japan

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2013年 / E96B卷 / 06期

关键词：

forward error correction; low-density parity-check codes; encoder/decoder architecture; optical transmission systems; PARITY-CHECK CODES;

D O I：

10.1587/transcom.E96.B.1402

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we present a novel class of long quasi-cyclic low-density parity-check (QC-LDPC) codes. Each of the codes in this class has a structure formed by concatenating single-parity-check codes and QC-LDPC codes of shorter lengths, which allows for efficient, high throughput encoder/decoder implementations. Using a code in this class, we design a forward error correction (FEC) scheme for optical transmission systems and present its high throughput encoder/decoder architecture. In order to demonstrate its feasibility, we implement the architecture on a field programmable gate array (FPGA) platform. We show by both FPGA-based simulations and measurements of an optical transmission system that the FEC scheme can achieve excellent error performance and that there is no significant performance degradation due to the constraint on its structure while getting an efficient, high throughput implementation is feasible.

引用

页码：1402 / 1411

页数：10

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