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Architecture Design and Implementation of the Metric First List Sphere Detector Algorithm

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Title: Architecture Design and Implementation of the Metric First List Sphere Detector Algorithm
Author: Myllylä, Markus; Cavallaro, Joseph R.; Juntti, Markku
Type: Journal Paper
Publisher: IEEE
Citation: M. Myllylä, J. R. Cavallaro and M. Juntti, "Architecture Design and Implementation of the Metric First List Sphere Detector Algorithm," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 18, no. 5, pp. 895-899, 2011.
Abstract: Soft-output detection of a multiple-input–multiple-output (MIMO) signal pose a significant challenge in future wireless systems. In this paper, we introduce a soft-output modified metric first (MMF)-LSD algorithm for MIMO detection. We design a scalable architecture and address a method to decrease memory requirements. We provide implementation results for a spatial multiplexing (SM) system with four transmitted streams and with 16- and 64-quadrature amplitude modulation (QAM) on a 0.18- m CMOS application specific integrated circuit (ASIC) technology. The MFF-LSD implementation is more efficient than the depth first (DF) -LSD in the crucial low signal-to-noise rate (SNR)region and the detection rate of the 64-QAM implementation is 39.2 Mbps@26 db with 48.2 kGEs complexity.
Date Published: 2011-05-01

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  • ECE Publications [1034 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