Hybrid Analog and Digital Precoding Based on Adaptive Method in P2P Massive MIMO
Sign Up to like & getrecommendations! Published in 2018 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-5160-9
Abstract: AbstractTo achieve a far higher capacity in massive multi-input multi-output, the hybrid analog and digital precoding has been studied recently. In this paper, we consider the downlink single user communication system and propose an efficient… read more here.
Keywords: hybrid analog; analog digital; digital precoding; method ... See more keywords
The enhanced beam sweeping algorithm for DOA estimation in the hybrid analog-digital structure with nested array
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-04792-0
Abstract: As an emerging technology, the hybrid analog-digital structure has been considered for use in future millimeter-wave communications. Although this structure can reduce the hardware cost and power consumption considerably, the spatial covariance matrix (SCM), as… read more here.
Keywords: hybrid analog; doa estimation; analog digital; estimation ... See more keywords
Deep Learning-Based Hybrid Analog-Digital Signal Processing in mmWave Massive-MIMO Systems
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DOI: 10.1109/access.2022.3188644
Abstract: Hybrid analog-digital signal processing (HSP) is an enabling technology to harvest the potential of millimeter-wave (mmWave) massive-MIMO communications. In this paper, we present a general deep learning (DL) framework for efficient design and implementation of… read more here.
Keywords: mimo; mimo systems; massive mimo; hybrid analog ... See more keywords
Design and Prototyping of Hybrid Analog–Digital Multiuser MIMO Beamforming for Nonorthogonal Signals
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DOI: 10.1109/jiot.2019.2956872
Abstract: To enable user diversity and multiplexing gains, a fully digital precoding multiple-input–multiple-output (MIMO) architecture is typically applied. However, a large number of radio frequency (RF) chains make the system unrealistic to low-cost communications. Therefore, a… read more here.
Keywords: mimo; hybrid analog; fully digital; hybrid precoding ... See more keywords
Hybrid Analog and Digital Beamforming for mmWave OFDM Large-Scale Antenna Arrays
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2017.2698958
Abstract: Hybrid analog and digital beamforming is a promising candidate for large-scale millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems because of its ability to significantly reduce the hardware complexity of the conventional fully digital beamforming schemes… read more here.
Keywords: beamforming; hybrid beamforming; digital beamforming; analog digital ... See more keywords
Hybrid Analog-Digital Transceiver Design for RIS-Assisted mmWave MIMO Communications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3212039
Abstract: Reconfigurable intelligent surface (RIS) is a cost-effective solution to support millimeter wave (mmWave) communications suffering from severe blockage. In this letter, we aim to maximize the spectral efficiency (SE) of the RIS-assisted mmWave multiple-input multiple-output… read more here.
Keywords: transceiver; ris assisted; ris; hybrid analog ... See more keywords
Framework of Channel Estimation for Hybrid Analog-and-Digital Processing Enabled Massive MIMO Communications
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2018.2831222
Abstract: We investigate a general channel estimation problem in the massive multiple-input multiple-output system which employs the hybrid analog/digital precoding structure with limited radio-frequency (RF) chains. By properly designing RF combiners and performing multiple trainings, the… read more here.
Keywords: analog digital; channel estimation; hybrid analog; estimation ... See more keywords
An Efficient Spatial Covariance Matrix Reconstruction Algorithm in the Hybrid Analog-Digital Structure
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3164079
Abstract: The use of the emerging hybrid analog-digital structure for future millimeter-wave communications has attracted much attention. Although this structure can reduce the power consumption considerably, the spatial covariance matrix (SCM), as the core of subspace-based… read more here.
Keywords: matrix; structure; digital structure; reconstruction ... See more keywords
Hybrid Analog and Digital Beamforming for RIS-Assisted mmWave Communications
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3205322
Abstract: Reconfigurable intelligent surface (RIS) assisted millimeter wave (mmWave) communications has been envisioned as a prominent technology for future wireless networks, since it is capable of simultaneously providing abundant spectrum resources and favorable propagation environments. The… read more here.
Keywords: mmwave communications; ris assisted; ris; hybrid analog ... See more keywords