NDLI: On downlink admission control with fixed multi-beam antennas for WCDMA system

Content Provider	IEEE Xplore Digital Library
Author	Osseiran, A. Ericson, M.
Copyright Year	2003
Description	Author affiliation: Ericsson Res., Stockholm, Sweden (Osseiran, A.)
Abstract	Fixed multi-beam base stations can significantly increase the capacity of WCDMA systems. Previous capacity studies have not included important radio network algorithms (RNA) such as admission control (AC), which are essential to guarantee an acceptable quality of service (QoS). Some of these RNA may have to be changed to secure the full gains of fixed multi-beam antennas. In this paper two downlink AC strategies, beam AC and cell AC, are investigated by means of dynamic system simulations. Beam AC takes the spatial dimension into account by considering the load in each beam, whereas cell AC does not. The performance of the two AC strategies is compared in different user scenarios for a fixed multi-beam smart antenna concept. It is shown that beam AC ensures system stability and gives up to 30% more capacity than cell AC, when the traffic distribution is non-uniform.
Starting Page	1203
Ending Page	1207
File Size	340213
Page Count	5
File Format	PDF
ISBN	0780377575
ISSN	10903038
DOI	10.1109/VETECS.2003.1207818
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-04-22
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Downlink Admission control Multiaccess communication Interference Base stations RNA Control systems Peak to average power ratio Time division multiple access Convergence
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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