Title :
BER performance degradation in OFDM DF relay system due to intercarrier interference
Author :
Salkovic, E. ; Kocan, Enis ; Pejanovic-Djurisic, Milica
Abstract :
In this paper we analytically examine the level of bit error rate (BER) performance degradation of dual-hop OFDM based Decode-and-Forward (DF) relay system due to presence of intercarrier interference (ICI). Scenarios which correspond to downlink communication in cellular systems are considered. This assumes Rician fading channel on the first hop, and time selective fading channel on the second hop. Both possible realistic cases are analyzed, i.e. with Rician and with Rayleigh fading statistics on the second hop. Closed form BER expression is derived for the case of BPSK modulated assumed system. The obtained results are used for analysis of intercarrier interference (ICI) impact on BER performance of dual-hop OFDM DF relay system.
Keywords :
OFDM modulation; Rayleigh channels; Rician channels; cellular radio; decode and forward communication; error statistics; intercarrier interference; interference suppression; phase shift keying; relay networks (telecommunication); statistical analysis; BER performance degradation; BPSK modulated assumed system; ICI; OFDM DF relay system; Rayleigh fading statistics; Rician fading channel; Rician statistics; bit error rate; cellular system; decode and forward; downlink communication; intercarrier interference; time selective fading channel; Bit error rate; Degradation; Doppler effect; Fading; OFDM; Relays; Signal to noise ratio; Decode-and-Forward; Doppler shift; OFDM; bit error rate; intercarrier interference;
Conference_Titel :
Communications, Signal Processing, and their Applications (ICCSPA), 2013 1st International Conference on
Conference_Location :
Sharjah
Print_ISBN :
978-1-4673-2820-3
DOI :
10.1109/ICCSPA.2013.6487249
