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    Reducing Dynamic Power Consumption in Next Generation DS-CDMA Mobile Communication Receivers

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    Author
    Chandrasekhar, Vikram
    Date
    2002-08-01
    Abstract
    Reduction of the power consumption in portable wireless receivers is an important consideration for next-generation cellular systems specified by standards such as the UMTS, IMT2000. This thesis explores the design-space for reducing the dynamic power dissipation in a RAKE receiver for the Direct Sequence Code Division Multiple Access (DS-CDMA) downlink. Starting with a reference implementation of the DS-CDMA RAKE receiver, we demonstrate design methodologies for achieving significant power reduction, while highlighting the corresponding performance trade-offs. At the algorithm level, we investigate the impact of reduced precision and arithmetic complexity on the performance of the DS-CDMA RAKE receiver. We then present architectures for implementing the reference and reduced complexity DS-CDMA RAKE receivers, and analyze these architectures with respect to their dynamic power dissipation. Finally, we analyze clock-gating techniques for reducing the activity rate in both the architectures to achieve further power reduction.
    Description
    Masters Thesis
    Citation
    V. Chandrasekhar, "Reducing Dynamic Power Consumption in Next Generation DS-CDMA Mobile Communication Receivers," Masters Thesis, 2002.
    Keyword
    Power Consumption; RAKE Receiver; CDMA; Power Consumption; RAKE Receiver; More... CDMA Less...
    Type
    Thesis
    Citable link to this page
    https://hdl.handle.net/1911/19765
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    • ECE Publications [1468]
    • Rice Wireless [268]

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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
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    Site Map