NDLI: Outage capacity in CDMA systems using receive antenna diversity and fast power control

Content Provider	IEEE Xplore Digital Library
Author	Tokgoz, Y. Rao, B.D.
Copyright Year	2003
Description	Author affiliation: Center for Wireless Commun., California Univ., San Diego, La Jolla, CA, USA (Tokgoz, Y.; Rao, B.D.)
Abstract	In this paper, we analyze the outage capacity improvements in multi-cellular code division multiple access (CDMA) systems using receive antenna diversity and fast power control schemes that can track multipath fading. The channel is modelled as slowly varying Rayleigh fading with lognormal shadowing and path loss. Closed form expressions are obtained for the outage capacity of the system by approximating the total intercell and intercell interference distributions. We show that by controlling the power level of a user at the output of the diversity combiner and imposing the condition that the user denies transmission when in deep fade, the average intercell interference level of the system is significantly reduced. As a result of this reduction, we demonstrate both analytically and through simulations that the outage capacity of the system is improved more than the linearity with increasing number of antenna elements.
Starting Page	3493
Ending Page	3497
File Size	301645
Page Count	5
File Format	PDF
ISBN	0780378024
DOI	10.1109/ICC.2003.1204104
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Receiving antennas Power control Rayleigh channels Interference Power system modeling Shadow mapping Control systems Analytical models Linearity
Content Type	Text
Resource Type	Article

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