NDLI: Uplink block diagonalization for massive MIMO-OFDM systems with distributed antennas

Content Provider	IEEE Xplore Digital Library
Author	Arevalo, L. de Lamare, R.C. Haardt, M. Sampaio-Neto, R.
Copyright Year	2015
Description	Author affiliation: Commun. Res. Lab., Ilmenau Univ. of Technol., Ilmenau, Germany (Haardt, M.) \|\| Center for Studies in Telecommun., Pontifical Catholic Univ. of Rio de Janeiro, Rio de Janeiro, Brazil (Arevalo, L.; de Lamare, R.C.; Sampaio-Neto, R.)
Abstract	In this paper, we propose a block diagonalization (BD) procedure for the uplink of massive MIMO-OFDM systems to decompose the received signal vector, at the base station (BS), into independent single-user MIMO-OFDM signals. After uplink BD, the detection procedure can be performed separately for each active user, thus reducing the computational complexity when compared with standard detection techniques, where all the active users are coupled. In the proposed scheme, unlike prior work in which downlink BD algorithms are used, it is not necessary to use any precoding at the transmit side. The performance of the proposed scheme is evaluated in a realistic mobile radio channel for an indoor (local area) scenario with distributed antennas at the BS.
Starting Page	389
Ending Page	392
File Size	324448
Page Count	4
File Format	PDF
e-ISBN	9781479919635
DOI	10.1109/CAMSAP.2015.7383818
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-12-13
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Massive MIMO-OFDM systems Silicon carbide Detectors Uplink Block Diagonalization MIMO Uplink Computational complexity Distributed Antennas Antenna arrays
Content Type	Text
Resource Type	Article

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