Title :
Design of Low-Rate Codes through Concatenation of LDGM and Repeat-Hadamard Codes
Author :
Zhong, Wei ; Garcia-Frias, Javier
Author_Institution :
Dept. of Electr. & Comput. Eng., Delaware Univ., Newark, DE
Abstract :
We propose a very simple and flexible system, based on the concatenation of LDGM, repetition, and Hadamard codes, for the design of very low-rate codes. For rates around .01, the resulting performance lies within 1.5 dB of the theoretical limits in AWGN channels
Keywords :
AWGN channels; Hadamard codes; channel coding; concatenated codes; AWGN channels; LDGM codes; concatenation codes; low-rate codes; repeat-Hadamard codes; AWGN channels; Code standards; Collaborative work; Concatenated codes; Error correction; Error correction codes; Government; MIMO; Multilevel systems; Parity check codes;
Conference_Titel :
Information Theory, 2006 IEEE International Symposium on
Conference_Location :
Seattle, WA
Print_ISBN :
1-4244-0505-X
Electronic_ISBN :
1-4244-0504-1
DOI :
10.1109/ISIT.2006.262093
