Theory of multipath shape factors for small-scale fading wireless channels

被引：89

作者：

Durgin, GD ^{[1
]}

Rappaport, TS ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Mobile & Portable Radio Res Grp, Blacksburg, VA 24061 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2000年 / 48卷 / 05期

关键词：

angle of arrival; diversity; fading channels; mobile communications; multipath channels; propagation; scattering;

D O I：

10.1109/8.855486

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：

This paper presents a new theory of multipath shape factors that greatly simplifies the description of small-scale fading statistics of a wireless receiver. A method is presented for reducing a multipath channel with arbitrary spatial complexity to three shape factors that have simple intuitive geometrical interpretations. Furthermore, these shape factors are shown to describe the statistics of received signal fluctuations in a fading multipath channel. Analytical expressions for level-crossing rate, average fade duration, envelope autocovariance, and coherence distance are all derived using the new shape factor theory and then applied to several classical examples for comparison.

引用

页码：682 / 693

页数：12

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