Title :
Low complexity code design for the 2-user Gaussian multiple access channel
Author :
Roumy, Aline ; Declercq, David ; Fabre, Eric
Author_Institution :
IRISA, Rennes, France
fDate :
27 June-2 July 2004
Abstract :
In this paper, we present a low complexity code design for the 2-user Gaussian multiple access channels. In order to analyze this multiuser MAC decoder, we formulate density evolution (DE) and study the stability condition of the fixed point corresponding to zero BER.
Keywords :
Gaussian channels; error statistics; multi-access systems; parity check codes; 2-user Gaussian multiple access channel; BER; bit error rate; code design; density evolution; multiuser MAC decoder; stability condition; Belief propagation; Binary phase shift keying; Bit error rate; Constraint optimization; Decoding; Modulation coding; Mutual information; Parity check codes; Stability; Zinc;
Conference_Titel :
Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on
Print_ISBN :
0-7803-8280-3
DOI :
10.1109/ISIT.2004.1365518
