NDLI: Simulations of diversity gains of multiple omni and directive antennas in Rician channel with varying K-factor

Content Provider	IEEE Xplore Digital Library
Author	Stoytchev, M.S. Wittwer, D.C.
Copyright Year	2005
Description	Author affiliation: Div. of Wireless Products, Intel Corp., San Diego, CA, USA (Stoytchev, M.S.; Wittwer, D.C.)
Abstract	This study presents analysis for the diversity gains of multiple omni and directive antennas in Rician channels with varying K-factor. Selection diversity of uncorrelated, equal signal-to-noise ratio (SNR) diversity branches are considered. Results from simulations of the power statistics and diversity gains of up to four omni and directive antennas are presented. These results show dramatically different power statistics for a single omni and directive antenna with increasing K. Statistics obtained for multiple omni and multiple directive antennas are presented. The cumulative distribution functions (CDFs) are very close for low K values. However, they are significantly different for large K values due to the increasing role of the constant field component in the channel. Comparison of the diversity gain obtained form omni and directive antennas with varying K also reveals key differences. For multiple directive antennas, the diversity gain increases with K. In contrast, the diversity gain for multiple omni antennas decrease with K.
Starting Page	454
Ending Page	457
File Size	556070
Page Count	4
File Format	PDF
ISBN	0780390687
DOI	10.1109/WCACEM.2005.1469623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-04-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	ACES
Subject Keyword	Analytical models Laboratories Rician channels Statistical distributions Rayleigh channels Directive antennas Diversity methods Radio link Antennas and propagation Statistics
Content Type	Text
Resource Type	Article

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