Title :
Performance analysis of amplify-and-forward network coding for multicast relay systems
Author :
Zhao, Rui ; Chen, Donghua ; Cai, Canhui
Author_Institution :
Sch. of Inf. Sci. & Eng., Huaqiao Univ., Xiamen, China
Abstract :
In identical Nakagami-m fading channels, the outage probability performance of network coding for multicast relay system is analyzed. The amplify-and-forward network coding (AFNC) transmission strategy is applied in the system. By using the outage event definition in multiuser communication system and the mutual information expressions of multiple access channels, the approximate expression of outage probability is derived at high SNR and the conclusion that the system diversity gain of AFNC is 2m is also obtained, which is verified by numerical simulations. Simulation results also show that, AFNC can outperform direct transmission without relay in the performances of system outage probability and symbol error ratio.
Keywords :
Nakagami channels; amplify and forward communication; diversity reception; error statistics; multicast communication; multiuser channels; network coding; relays; Nakagami-m fading channel; amplify-and-forward network coding transmission strategy; diversity gain; multicast relay system; multiple access channel; multiuser communication system; outage event definition; outage probability performance; symbol error ratio; Relays;
Conference_Titel :
Intelligent Signal Processing and Communication Systems (ISPACS), 2010 International Symposium on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-7369-4
DOI :
10.1109/ISPACS.2010.5704627
