Results 11 to 20 of about 656 (174)
Adaptive Hybrid Precoding for Multiuser Massive MIMO [PDF]
IEEE Communications Letters, 2016 Hybrid precoding (HP) is widely utilized in millimeter wave-based massive MIMO systems with significantly reduced radio frequency (RF) chains, but it requires a large number of analog phase shifters (APSs) and RF adders to realize the connection between RF chains and antenna elements.
Xudong Zhu +3 more
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Learn to Rapidly and Robustly Optimize Hybrid Precoding
IEEE Transactions on Communications, 2023 Hybrid precoding plays a key role in realizing massive multiple-input multiple-output (MIMO) transmitters with controllable cost. MIMO precoders are required to frequently adapt based on the variations in the channel conditions. In hybrid MIMO, here precoding is comprised of digital and analog beamforming, such an adaptation involves lengthy ...
Ortal Lavi, Nir Shlezinger
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Hybrid TH-VP Precoding for Multiuser MIMO [PDF]
IEEE Transactions on Vehicular Technology, 2017 Vector perturbation (VP) is a nonlinear precoding technique that achieves near-capacity performance in multiuser multiple-input multiple-output systems at the expense of large complexity due to the search for the optimum perturbation vector. In this paper, we present the hybrid Tomlinson–Harashima VP (TH-VP) algorithm, a novel zero-forcing precoding ...
Rui Chen, Marco Moretti, Xiaodong Wang
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IEEE Access, 2022 Unmanned aerial vehicles (UAVs) and unmanned ground vehicles (UGVs) complement each other, promising a variety of benefits for unmanned cooperative systems.
Xiangqian Xu +2 more
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Hybrid Precoding Algorithm Based on Discrete Orthogonal Matching Pursuit for Millimeter-Wave Relay Networks [PDF]
Jisuanji gongcheng, 2020 In order to improve the beamforming gain of massive Multiple-Input Multiple-Output(MIMO) relay system and reduce the hardware cost of phase shifters and radio frequency links in hybrid precoding architecture,this paper proposes a hybrid precoding ...
DING Qingfeng, GAO Xinpeng, DENG Yuqian
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Multi-user hybrid precoding for mmWave massive MIMO systems with sub-connected structure
EURASIP Journal on Wireless Communications and Networking, 2021 Hybrid precoding achieves a compromise between the sum rate and hardware complexity of millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems.
Jianhe Du +4 more
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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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Hybrid Precoding/Combining for mmWave MIMO Systems With Hybrid Array Architecture
IEEE Access, 2023 Utilizing hybrid precoding/combining for subarray (SA) architectures in millimeter-wave (mmWave) multi-input multi-output (MIMO) systems offers reduced hardware cost and power consumption when compared with that for full array (FA) architectures, although the spectral efficiency is lower.
Mohamed Alouzi +3 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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Low‐complexity unsupervised learning‐based hybrid precoding for massive MIMO systems
IET Communications, 2023 Hybrid precoding can significantly reduce the number of required radio frequency (RF) chains in massive MIMO systems. However, due to the large number of antennas and the high‐dimensional channel, the existing hybrid precoding algorithms usually require ...
Xiang Liu
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