Title :
LDGM codes for joint source-channel coding of correlated sources
Author :
Zhong, K. ; Lou, H. ; Garcia-Frias, J.
Author_Institution :
Dept. of Electr. & Comput. Eng., Delaware Univ., Newark, DE, USA
Abstract :
A system based on the use of systematic linear codes with low-density generator matrix (LDGM codes) for joint source-channel coding of multiterminal correlated binary sources is proposed. The encoding structure and different decoding possibilities are investigated and evaluated. For the case of binary sources and AWGN channels, the resulting performance is close to the theoretical limits.
Keywords :
AWGN channels; combined source-channel coding; correlation theory; linear codes; AWGN channels; encoding structure; joint source-channel coding; low-density generator matrix codes; multiterminal correlated binary sources; systematic linear codes; AWGN channels; Additive white noise; Channel coding; Code standards; Collaborative work; Gaussian noise; Iterative decoding; Linear code; Parity check codes; Turbo codes;
Conference_Titel :
Image Processing, 2003. ICIP 2003. Proceedings. 2003 International Conference on
Print_ISBN :
0-7803-7750-8
DOI :
10.1109/ICIP.2003.1247031
