Title :
Effect of carrier frequency offsets on OFDM-IDMA systems
Author :
Liu, Yong ; Xiong, Xingzhong ; Luo, Zhongqiang
Author_Institution :
Artificial Interlligence of Key Lab. of Sichuan Province, Sichuan Univ. of Sci. & Eng., Zigong, China
Abstract :
OFDM-IDMA scheme has raised lots of research interests recently as it appears to be quite suitable for future broadband wireless transmission. OFDM-IDMA inherits many attractive features of OFDM and IDMA. However, OFDM-IDMA is also sensitive to carrier frequency offset (CFO) due to OFDM Furthermore, the performance of OFDM-IDMA with CFO has not been reported in the literature. In this paper, we investigate the effect of CFO on the performance of OFDM-IDMA systems. Theoretical analysis and simulation results show that OFDM-IDMA can tolerate smaller ratio of maximum frequency offset to carrier spacing. But the effect of CFO on the performance of OFDM-IDMA will degrade with the increasing of the ratio of the maximum frequency offset to carrier spacing.
Keywords :
OFDM modulation; broadband networks; code division multiple access; OFDM-IDMA systems; broadband wireless transmission; carrier frequency offsets; carrier spacing; interleave division multiple access; maximum frequency offset; Bit error rate; Interference; Multiuser detection; OFDM; Sensitivity; Simulation; Wireless communication; Carrier Frequency Offset (CFO); IDMA; OFDM; OFDM-IDMA;
Conference_Titel :
Consumer Electronics, Communications and Networks (CECNet), 2012 2nd International Conference on
Conference_Location :
Yichang
Print_ISBN :
978-1-4577-1414-6
DOI :
10.1109/CECNet.2012.6201908
