Intercarrier interference analysis for OFDM systems in non-stationary channels

被引：0
|
作者：
Tlili, F. [1 ]
Bouallegue, A. [2 ]
机构：
[1] Ecl. Sup. des Commun. de Tunis, Km 3,5 route de Raoued, 2083 Ariana, Tunisia
[2] Lab. des Syst. de Communications, ENIT, le Belvedre, 1002 Tunis, Tunisia
来源：
Advances in Automation, Multimedia and Video Systems, and Modern Computer Science | 2001年
关键词：
Bessel functions - Discrete Fourier transforms - Doppler effect - Frequency domain analysis - Gaussian noise (electronic) - Integral equations - Interference suppression - Mobile telecommunication systems - Orthogonal frequency division multiplexing - Signal to noise ratio - Time domain analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, we investigate Orthogonal Frequency Division Multiplex (OFDM) in mobile communications. Random Doppler shifts lead to a loss of subchannels orthogonality and give rise to Intercarrier Interference (ICI) which causes severe performance degradation. We deduce transmission system model in fast fading, then closed form analytical expressions for Signal to Interference Ratio (SIR) and average received SNR are evaluated. The use of self ICI cancellation schema is then investigated.
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页码：106 / 110
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