Approximate Matrix Inversion for High-Throughput Data Detection in Large-Scale MIMO Uplink

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dc.citation.conferenceDateIEEE International Symposium on Circuits and Systems (ISCAS), 2013en_US
dc.citation.firstpage2155
dc.citation.lastpage2158
dc.citation.locationBeijing, Chinaen_US
dc.contributor.authorWu, M.
dc.contributor.authorYin, B.
dc.contributor.authorVosoughi, A.
dc.contributor.authorStuder, C.
dc.contributor.authorCavallaro, Joseph R.
dc.contributor.authorDick, C.
dc.date.accessioned2013-10-25T21:20:15Z
dc.date.available2013-10-25T21:20:15Z
dc.date.issued2013-05
dc.description.abstractThe high processing complexity of data detection in the large-scale multiple-input multiple-output (MIMO) uplink necessitates high-throughput VLSI implementations. In this paper, we propose—to the best of our knowledge—first matrix inversion implementation suitable for data detection in systems having hundreds of antennas at the base station (BS). The underlying idea is to carry out an approximate matrix inversion using a small number of Neumann-series terms, which allows one to achieve near-optimal performance at low complexity. We propose a novel VLSI architecture to efficiently compute the approximate inverse using a systolic array and show reference FPGA implementation results for various system configurations. For a system where 128 BS antennas receive data from 8 single-antenna users, a single instance of our design processes 1.9Mmatrices/s on a Xilinx Virtex-7 FPGA, while using only 3.9% of the available slices and 3.6% of the available DSP48 units.en_US
dc.description.sponsorshipRenesas Mobileen_US
dc.description.sponsorshipTexas Instrumentsen_US
dc.description.sponsorshipXilinxen_US
dc.description.sponsorshipSamsungen_US
dc.description.sponsorshipUS NSF grant ECCS-1232274en_US
dc.description.sponsorshipUS NSF grant EECS-0925942en_US
dc.description.sponsorshipUS NSF grant CNS-0923479en_US
dc.identifier.citationM. Wu, B. Yin, A. Vosoughi, C. Studer, J. R. Cavallaro and C. Dick, "Approximate Matrix Inversion for High-Throughput Data Detection in Large-Scale MIMO Uplink," 2013.*
dc.identifier.doihttp://dx.doi.org/10.1109/ISCAS.2013.6572301en_US
dc.identifier.urihttps://hdl.handle.net/1911/75011
dc.language.isoengen
dc.publisherIEEEen_US
dc.titleApproximate Matrix Inversion for High-Throughput Data Detection in Large-Scale MIMO Uplinken_US
dc.typeConference paperen_US
dc.type.dcmiTexten
dc.type.dcmiTexten_US
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