Title :
Practical Compress-Forward in User Cooperation: Wyner-Ziv Cooperation
Author :
Hu, Ruiyuan ; Li, Jing Tiffany
Author_Institution :
Dept. of ECE, Lehigh Univ., Bethlehem, PA
Abstract :
A novel user cooperation scheme, termed Wyner-Ziv cooperation, is proposed as generalization of Slepian-Wolf cooperation and a solid example for compress-forward. After motivating the idea, we present the framework of Wyner-Ziv cooperation and discuss the technical details including input/output relationships for a soft (BCJR) decoder, the cooperative strategy, quantizer optimization technologies, and a modified BCJR decoding algorithm. The gains observed in the computer simulations, up to 11.5 dB for the source-relay outage case and 3.5 dB on average, a strong testimony that it is not only feasible but also beneficial to exploit Wyner-Ziv coding in user cooperation
Keywords :
decoding; quantisation (signal); Slepian-Wolf cooperation; Wyner-Ziv coding; Wyner-Ziv cooperation; compress-forward; modified BCJR decoding algorithm; quantizer optimization technologies; soft decoder; source-relay outage; user cooperation scheme; Computer simulation; Decoding; Fading; Power generation economics; Power system relaying; Relays; Solids; Space technology; Space time codes; Testing;
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.2006.261763
