Downlink site selection transmit diversity with power allocation for A 2-dimensional block spread DS-CDMA cellular system

Le Liu, Fumiyuki Adachi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    2-dimensional (2D) block spread direct sequence-code division multiple access (DS-CDMA) allows mutli-rate/mutli-eonneetion without causing downlink multi-access interference (MAI) in the presence of a frequency-selective fading channel. However, in a cellular system, the inter-cell interference remains. The site selection diversity transmission (SSDT) can be used to reduce the inter-cell interference and increase the downlink capacity. In this paper, we show that if adaptive power allocation is applied, where the BS allocates different power levels to different users according to their channel conditions, 2D block spread DS-CDMA with SSDT provides larger downlink capacity than the conventional DS-CDMA with SSDT.

    Original languageEnglish
    Title of host publication2007 IEEE Wireless Communications and Networking Conference, WCNC 2007
    Pages2014-2018
    Number of pages5
    DOIs
    Publication statusPublished - 2007 Nov 27
    Event2007 IEEE Wireless Communications and Networking Conference, WCNC 2007 - Kowloon, China
    Duration: 2007 Mar 112007 Mar 15

    Publication series

    NameIEEE Wireless Communications and Networking Conference, WCNC
    ISSN (Print)1525-3511

    Other

    Other2007 IEEE Wireless Communications and Networking Conference, WCNC 2007
    Country/TerritoryChina
    CityKowloon
    Period07/3/1107/3/15

    ASJC Scopus subject areas

    • Engineering(all)

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