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    On the analysis of switched-beam antennas for the W-CDMA downlink

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    Authors
    Allen, Ben
    Beach, Mark
    Issue Date
    2004-05
    
    Metadata
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    Abstract
    Smart antennas are widely recognized as an enabling technology for addressing the demand of future wireless network capacity when employed in place of traditional fixed-coverage sector antennas. Furthermore, switched-beam antenna systems offer a robust implementation against multipath propagation effects and reduced complexity that is inherent with fully adaptive implementations. This paper introduces a simple closed-form expression for evaluating the capacity increase of W-CDMA cellular networks employing switched-beam antennas. The expression incorporates the effect of practical antenna patterns and the impact of multipath scattering on code orthogonality, as well as that of pilot signal power. The results show that a reduction in downlink interference of approximately 6 dB can be achieved by installing an eight-beam antenna system in a 120° sector configuration when representative values of these parameters are taken into account.
    Citation
    On the analysis of switched-beam antennas for the W-CDMA Downlink 2004, 53 (3):569-578 IEEE Transactions on Vehicular Technology
    Publisher
    IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
    Journal
    IEEE Transactions on Vehicular Technology
    URI
    http://hdl.handle.net/10547/269835
    DOI
    10.1109/TVT.2004.825782
    Additional Links
    http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=1300851
    Type
    Article
    Language
    en
    ISSN
    0018-9545
    ae974a485f413a2113503eed53cd6c53
    10.1109/TVT.2004.825782
    Scopus Count
    Collections
    Centre for Wireless Research (CWR)

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