Interference Analysis of Multicarrier Systems Based on Affine Fourier Transform

被引：17
|
作者：
Stojanovic, Djuro [1 ]
Djurovic, Igor [2 ]
Vojcic, Branimir R. [3 ]
机构：
[1] Crnogorski Telekom, Podgorica 81000, Montenegro
[2] Univ Montenegro, Dept Elect Engn, Podgorica 81000, Montenegro
[3] George Washington Univ, Dept Elect & Comp Engn, Washington, DC 20052 USA
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2009年 / 8卷 / 06期
关键词：
Affine Fourier transform; fractional Fourier transform; multicarrier modulation; orthogonal frequency division multiplexing (OFDM); time-varying channels; DOUBLY DISPERSIVE CHANNELS; REPRESENTATIONS;
D O I：
10.1109/TWC.2009.081589
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Multicarrier techniques based on affine Fourier transform (AFT) have been recently proposed for transmission in the wireless channels. The AFT represents a generalization of the Fourier and fractional Fourier transform. We derive the exact and approximated interference power, upper bound and measure of applicability for the AFT based multicarrier (AFT-MC) system. It is demonstrated that the AFT-MC system effectively minimizes interference in time-varying multipath channels with line-of-sight component and narrow beamwidth of scattered components that often occurs in aeronautical and satellite communications.
引用
收藏
页码：2877 / 2880
页数：4
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