NDLI: Erlang capacity of CDMA systems with adaptive arrays

Content Provider	IEEE Xplore Digital Library
Author	Subramanian, S. McLane, P.
Copyright Year	2000
Description	Author affiliation: Anna Univ., Madras, India (Subramanian, S.)
Abstract	We present a technique to calculate the number of subscribers which can be supported in a CDMA system while using adaptive arrays. Results presented using this technique show the tremendous capacity increases possible while using adaptive arrays. The advantages of adaptive arrays over sector antennas and beamformers is quantified by considering Erlang capacity and spatial clustering of subscribers. This study has practical implications in wireless local loop systems and the results presented clearly highlight the benefits of using a dynamic spatial processor like adaptive arrays as compared with the fixed patterns used in sector antennas. We also consider the effects of high powered multimedia users in a voice-dominated system and results presented illustrate that by using smart antennas, it is possible to maintain a sizeable voice capacity while admitting a small number of multimedia users.
Starting Page	1030
Ending Page	1035
File Size	486575
Page Count	6
File Format	PDF
ISBN	0780365070
ISSN	10903038
DOI	10.1109/VETECF.2000.886266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-09-24
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Adaptive systems Adaptive arrays Interference Antenna arrays Multimedia systems Signal processing Explosions Wireless communication Frequency
Content Type	Text
Resource Type	Article

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