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dc.contributor.authorGuo, Yuanbin
Zhang, Jianzhong (Charlie)
McCain, Dennis
Cavallaro, Joseph R.
dc.creatorGuo, Yuanbin
Zhang, Jianzhong (Charlie)
McCain, Dennis
Cavallaro, Joseph R.
dc.date.accessioned 2007-10-31T00:46:04Z
dc.date.available 2007-10-31T00:46:04Z
dc.date.issued 2005-07-01
dc.date.submitted 2006-02-06
dc.identifier.urihttp://hdl.handle.net/1911/19932
dc.description Journal Paper
dc.description.abstract In this paper, we explore the displacement structure in a Kalman equalizer for MIMO-CDMA downlink. A streamlined MIMO Kalman equalizer architecture is proposed to extract the commonality in the data path by exploiting the displacement structure of the transition matrix and the block-Toeplitz structure of the channel matrix. Numerical matrix multiplications with O(F^3) complexity are eliminated by simple data loading process. Utilizing the block Toeplitz structure of the channel matrix, an FFT-based acceleration is proposed to avoid direct matrix multiplications in the time domain. Finally, an iterative Conjugate-Gradient based algorithm is proposed to avoid the inversion of the innovation correlation matrix in Kalman gain calculation. The proposed architecture not only reduces the numerical complexity to O(F log2 F) per chip, but also facilitates the parallel and pipelined VLSI implementation for real-time processing.
dc.language.iso eng
dc.subjectMIMO
Kalman filter
displacement structure
FFT
Conjugate Gradient.
dc.title Displacement MIMO Kalman equalizer architecture for CDMA downlink in fast fading channels
dc.type Journal article
dc.citation.bibtexName article
dc.citation.journalTitle IEEE Transactions on Wireless Communications
dc.date.modified 2006-02-06
dc.contributor.orgCenter for Multimedia Communications (http://cmc.rice.edu/)
dc.subject.keywordMIMO
Kalman filter
displacement structure
FFT
Conjugate Gradient.
dc.type.dcmi Text
dc.identifier.citation Y. Guo, J. (. Zhang, D. McCain and J. R. Cavallaro, "Displacement MIMO Kalman equalizer architecture for CDMA downlink in fast fading channels," IEEE Transactions on Wireless Communications, 2005.


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  • ECE Publications [1055]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • CMC Publications [275]
    Publications by Rice Faculty and graduate students in multimedia communications

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