A Low Complexity Precoding Algorithm for Large-scale MIMO System [PDF]
Jisuanji gongcheng, 2019 In large-scale Multiple-Input Mutiple-Output(MIMO) system,the increase in the number of antennas and users on the base station side leads to an increase in the dimension of the channel matrix,which increases the computational complexity of the precoding ...
ZHU Guohui,CHEN Xing
doaj +1 more source
Equivalent expressions and performance analysis of SLNR precoding schemes: a generalisation to multi-antenna receivers [PDF]
, 2013 In this letter, equivalent expressions of transmit precoding solutions based on the maximum signal-to-leakage-plus-noise ratio (SLNR) are derived for multiuser MIMO systems with multi-antenna receivers.
Armour, Simon M D +2 more
core +1 more source
Overview of Precoding Techniques for Massive MIMO
IEEE Access, 2021 Massive multiple-input multiple-output (MIMO) is playing a crucial role in the fifth generation (5G) and beyond 5G (B5G) communication systems. Unfortunately, the complexity of massive MIMO systems is tremendously increased when a large number of ...
Mahmoud A. Albreem +3 more
doaj +1 more source
On the equivalence between SLNR and MMSE precoding schemes with single-antenna receivers [PDF]
, 2012 This letter considers transmit precoding schemes based on the maximum signal-to-leakage-and-noise ratio (SLNR) in multiuser MIMO systems with single-antenna receivers.
Doufexi, Angela +2 more
core +1 more source
A Low-Complexity Massive MIMO Precoding Algorithm Based on Chebyshev Iteration
IEEE Access, 2017 Precoding algorithm is used to transmit signals effectively and to reduce the interferences from other user terminals in the massive multiple-input-multiple-output (MIMO) systems. In order to decrease the computational complexity of the precoding matrix,
Chi Zhang +5 more
doaj +1 more source
Design of hybridly-connected hybrid precoding in millimeter-wave massive MIMO system
Tongxin xuebao, 2020 In order to improve the spectral efficiency of hybridly-connected hybrid precoding,the optimal hybrid precoding matrix under the ideal conditions was firstly obtained by using the principle of successive interference cancellation (SIC).Secondly,the ...
Hongyu ZHAO, Hongyan YAO
doaj +2 more sources
Precoder Distribution and Adaptive Codebook in Wideband Precoding [PDF]
ETRI Journal, 2012 Based on wideband precoding (WBP) in the multiple-input multiple-output orthogonal frequency division multiplexing system, an adaptive nonuniform codebook is presented in this paper. The relationship between the precoder distribution and spatial correlation is analyzed at first.
Long, Hang +5 more
openaire +2 more sources
Joint Tomlinson-Harashima precoding and optimum transmit power allocation for SC-FDMA [PDF]
, 2010 Single-Carrier Frequency Division Multiple Access (SC-FDMA) has been selected as the uplink transmission scheme in the 3GPP Long Term Evolution standard.
Nix, AR +3 more
core +1 more source
Robust MMSE Precoding Strategy for Multiuser MIMO Relay Systems with Switched Relaying and Side Information [PDF]
, 2013 In this work, we propose a minimum mean squared error (MMSE) robust base station (BS) precoding strategy based on switched relaying (SR) processing and limited transmission of side information for interference suppression in the downlink of multiuser ...
Yang, Lie-Liang +3 more
core +2 more sources
DFT-based Beamforming Weight-Vector Codebook Design for Spatially Correlated Channels in the Unitary Precoding Aided Multiuser Downlink [PDF]
, 2010 —The DFT-based beamforming weight-vector code-book is considered as an effective design for spatially correlated channels. In this paper, we demonstrate that when the antenna elements are uniformly spaced as well as linearly arranged, and the channels ...
Yang, Lie-Liang +5 more
core +1 more source