Results 11 to 20 of about 1,857 (178)
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
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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
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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
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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
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IEEE Access, 2019 In this paper, we investigate the spectral efficiency (SE) and energy efficiency (EE) of hybrid precoding in the point-to-point mmWave massive multiple-input multiple-output (MIMO) system with low-resolution analog-to-digital converters (ADCs) and ...
Qingfeng Ding, Yuqian Deng, Xinpeng Gao
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Beamforming and precoding techniques
, 2020 Beamforming and precoding/combining are techniques aimed at processing multiantenna signals at the transmitter and/or at the receiver of a wireless communication system. While they have been routinely used to improve performance in current and previous generations of mobile communications systems, they are expected to play a more fundamental role in ...
DARSENA DONATELLA +2 more
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CoRR, 2014 Index modulation, where information bits are conveyed through antenna indices (spatial modulation) and subcarrier indices (subcarrier index modulation) in addition to information bits conveyed through conventional modulation symbols, is getting increased research attention.
T. Lakshmi Narasimhan, A. Chockalingam
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On equivalence of SLNR-based precoding and RBD precoding
Electronics Letters, 2012 Signal-to-leakage-plus-noise ratio (SLNR) based precoding and regularised block diagonalisation (RBD) precoding are two notable linear precoding schemes in downlink multi-user multiple-input multiple-output (MIMO) systems. The equivalence of these two precoding schemes is demonstrated.
K. Wang, X.D. Zhang
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MIMO Relay Network With Precoding [PDF]
IEEE Communications Letters, 2016 We study the achievable rate in a MIMO, dual-hop, relay network where source and relay nodes may precode their input signals before transmission. Although an iterative expression for optimal precoders in this scenario is available in the literature, the corresponding achievable rate cannot be obtained analytically.
Zhou Siyuan +3 more
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Hybrid precoding method for mmWave MIMO systems based on limited feedback
Dianxin kexue, 2018 A hybrid precoding algorithm for millimeter wave (mmWave) MIMO systems without knowledge of channel state information at the transmitter was proposed based on the limited feedback.Specifically, the joint optimization problem of analog precoding and ...
Ruonan YOU +3 more
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