Multiple branch switched antenna diversity in Rayleigh and Rician fading channels

Author

Smith, David B.

Author_Institution

Fac. of Eng., Univ. of Technol., Sydney, NSW, Australia

Volume

3

fYear

2001

fDate

6/23/1905 12:00:00 AM

Firstpage

1799

Abstract

A new performance evaluation of switched antenna diversity, for the switch-and-examine strategy, is described. Expressions are derived for three-branch switched diversity with unequal branch statistics for independent Rayleigh and Rician fading channels. Comparisons are made using two and three-branch diversity with equal and unequal branch statistics. New expressions are also derived for an N-branch diversity system with equal branch statistics. The results of an analysis of various higher order diversity systems with equal statistics are compared to each other and to a no-diversity system. It is clearly demonstrated that, as the order of the diversity system increases, performance improves below and just above the switching threshold

Keywords

Rayleigh channels; Rician channels; antenna arrays; diversity reception; multipath channels; radio links; statistical analysis; N-branch diversity; Rayleigh fading channels; Rician fading channels; equal branch statistics; higher order diversity systems; multipath; multiple branch switched antenna diversity; radio channel; switch-and-examine strategy; three-branch diversity; two-branch diversity; unequal branch statistics; Antenna measurements; Australia; Diversity reception; Fading; Frequency diversity; Higher order statistics; Receivers; Sampling methods; Statistical analysis; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2001. VTC 2001 Fall. IEEE VTS 54th

ISSN

1090-3038

Print_ISBN

0-7803-7005-8

Type

conf

DOI

10.1109/VTC.2001.956510

Filename

956510