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Reduced Complexity Soft MMSE MIMO Detector Architecture

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Title: Reduced Complexity Soft MMSE MIMO Detector Architecture
Author: Amiri, Kiarash; Dick, Chris; Rao, Raghu; Cavallaro, Joseph R.
Type: Conference Paper
Publisher: Wireless Innovation Forum, Inc.
Citation: K. Amiri, C. Dick, R. Rao and J. R. Cavallaro,"Reduced Complexity Soft MMSE MIMO Detector Architecture," in Software Defined Radio Forum, 2010, pp. 716-720.
Abstract: Computing the soft LLR values in MMSE receivers of MIMO systems requires a very large complexity. In this paper, we propose a reduced complexity soft MMSE detector for MIMO systems. We use different complexity reductions techniques and propose an architecture based on the new reduced-complexity method. We also compare the complexity and show more than 2x complexity reduction using this method. We present complexity/performance tradeoffs to demonstrate the efficacy of our techniques. More importantly, these techniques give the receivers the flexibility to choose how accurately they perform the detection based on the available resources.
Date Published: 2010-12-01

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  • ECE Publications [1043 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