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
RIS-Assisted mmWave MIMO Communications With Finite-Alphabet Inputs and Partial CSI
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2024.3369397
Abstract: A reconfigurable intelligent surface (RIS)-assisted transmission framework is proposed for millimeter wave (mmWave) multiple-input multiple-output systems having finite-alphabet input signals. To reduce signaling overhead, only partial channel state information (CSI), including the instantaneous CSI between… read more here.
Keywords: assisted mmwave; csi ris; ris assisted; ris ... See more keywords
Adaptive Sparse Channel Estimator for IRS-Assisted mmWave Hybrid MIMO System
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Cognitive Communications and Networking"
DOI: 10.1109/tccn.2024.3422510
Abstract: A viable technology for the future wireless communication system to obtain extremely high information rates with improved coverage is the collaborative incorporation of an intelligent reflecting surface (IRS) with millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems.… read more here.
Keywords: system; mimo system; assisted mmwave; mmwave hybrid ... See more keywords
Fine-Grained Analysis of Reconfigurable Intelligent Surface-Assisted mmWave Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3194134
Abstract: Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology for millimeter wave (mmWave) networks. In this paper, we utilize tools from stochastic geometry to study the performance of a RIS-assisted mmWave cellular network. Specifically,… read more here.
Keywords: mmwave networks; success probability; analysis; reconfigurable intelligent ... See more keywords
Hardware-Impaired RIS-Assisted mmWave Hybrid Systems: Beamforming Design and Performance Analysis
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2023.3241328
Abstract: Reconfigurable intelligent surface (RIS) has been envisioned as an innovative technology to assist millimeter wave (mmWave) communications. Thanks to both advantages of low hardware cost and low power consumption, the hybrid transceiver structure also becomes… read more here.
Keywords: hardware; ris assisted; phase; assisted mmwave ... See more keywords
Coverage Analysis of RIS-Assisted mmWave Cellular Networks With 3D Beamforming
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2024.3357688
Abstract: Millimeter-wave (mmWave) is highly susceptible to obstacles and requires significant directivity of beams. To address these challenges, a promising solution is to deploy antenna arrays at base stations (BSs) and reconfigurable intelligent surfaces (RISs). Antenna… read more here.
Keywords: cellular networks; assisted mmwave; coverage; antenna ... See more keywords
Hybrid Evolutionary-Based Sparse Channel Estimation for IRS-Assisted mmWave MIMO Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2021.3105405
Abstract: The intelligent reflecting surface (IRS)-assisted millimeter wave (mmWave) communication system has emerged as a promising technology for coverage extension and capacity enhancement. Prior works on IRS have mostly assumed perfect channel state information (CSI), which… read more here.
Keywords: channel estimation; mimo; hybrid evolutionary; irs assisted ... 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
Improving accuracy through double acousto-optic modulators in photonics-assisted mmWave heterodyne interferometric sensing
Sign Up to like & getrecommendations! Published in 2025 at "Chinese Optics Letters"
DOI: 10.3788/col202523.073901
Abstract: The acousto-optic modulator (AOM) plays an important role in heterodyne interferometric sensing, and it is always regarded as an ideal optical frequency shifter. In this paper, we compare the effects of its residual zero-order diffraction… read more here.
Keywords: heterodyne interferometric; assisted mmwave; acousto optic; photonics assisted ... See more keywords