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Reducing dynamic power consumption in next generation DS-CDMA mobile communication receivers

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Title: Reducing dynamic power consumption in next generation DS-CDMA mobile communication receivers
Author: Chandrasekhar, Vikram; Livingston, Frank; Cavallaro, Joseph R.
Type: Journal Paper
Publisher: Inderscience Enterprises Ltd.
Citation: V. Chandrasekhar, F. Livingston and J. R. Cavallaro, "Reducing dynamic power consumption in next generation DS-CDMA mobile communication receivers," International Journal of Embedded Systems, vol. 3, no. 3, pp. 128-140, 2008.
Abstract: Reduction of the power consumption in portable wireless receivers is important for cellular systems, including UMTS and IMT2000. This paper explores the architectural design-space and methodologies for reducing the dynamic power dissipation in the Direct Sequence Code Division Multiple Access (DS-CDMA) downlink RAKE receiver. At the algorithm level, we investigate the tradeoffs of reduced precision and arithmetic complexity on the receiver performance. We then present and analyse two architectures for implementing the reference and reduced complexity receivers, with respect to dynamic power dissipation. The combined effect of reduced precision and complexity reduction leads to a 37.44% power savings.
Date Published: 2008-09-01

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  • ECE Publications [1082 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • CMC Publications [275 items]
    Publications by Rice Faculty and graduate students in multimedia communications