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

页码：2877 / 2880

页数：4

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