Title :
Performance analysis for a multi-branch nonregenrative relay system with MRC in Nakagami-m channels
Author :
Huynh, H.Q. ; Jinhong Yuan ; Suzuki, Hajime
Author_Institution :
Univ. of New South Wales, Sydney, NSW
Abstract :
In this paper, the performance of multi-branch dual-hop relay systems with maximal ratio combining (MRC) receiver operating in Nakagami-m fading channels is analyzed. We derive closed-form expressions for the moments of signal to noise ratio (SNR) at the output of maximal ratio combiner. From these moments, other important performance figures such as average output SNR, amount of fading (AoF) and spectral efficiency (SE) can be calculated. The average bit error probabilities (ABEP) for various coherent and non-coherent modulation schemes and outage probability (Pout) are also obtained by using the moment generating function (MGF) and characteristic generating function (CHF) approaches, respectively. The mathematical analysis is verified by various numerical and computer simulations, which show the accuracy of the expressions for both ABEP and Pout.
Keywords :
Nakagami channels; error statistics; Nakagami-m fading channels; average bit error probabilities; characteristic generating function; maximal ratio combining; moment generating function; multibranch dual-hop relay systems; multibranch nonregenrative relay system; outage probability; signal to noise ratio; spectral efficiency; Character generation; Closed-form solution; Computer simulation; Diversity reception; Error probability; Fading; Mathematical analysis; Performance analysis; Relays; Signal to noise ratio; Nakagami-m fading; Relay systems; maximal ratio combining;
Conference_Titel :
Signal Processing Advances in Wireless Communications, 2008. SPAWC 2008. IEEE 9th Workshop on
Conference_Location :
Recife
Print_ISBN :
978-1-4244-2045-2
Electronic_ISBN :
978-1-4244-2046-9
DOI :
10.1109/SPAWC.2008.4641673
