J Mirza, B Ali - … on Cognitive Communications and Networking, 2021 - ieeexplore.ieee.org
… These estimated channels are used to design the phaseshifts (passive … for phaseshifts that maximizes the total channel gain at the user. We investigate channel estimation for MIMO …
K Li, C Huang, Y Gong, G Chen - IEEE wireless …, 2023 - ieeexplore.ieee.org
… network for joint beamforming and phaseshift based on cascaded channels in the RIS-assisted MIMOnetwork. … the RIS phaseshiftnetwork but also other systems with similar scenarios. …
For the millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, … The hybrid beamforming relies on a phaseshifternetwork (PSN) in the RF domain to steer …
… its planar surface with certain phaseshifts, such that the direct-… AS and phaseshifts design (PSD) for IRS-mMIMO networks. … beamforming, ie the phaseshifts of reflecting elements at the …
R Sun, N Cheng, R Zhang, Y Wang… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
… MIMOnetwork with the practical phaseshift … phase shifters, this article considers a general IRS-assisted wireless-powered multiuser MIMO IoT network with the practical phaseshift …
… ing vector u and the phaseshift matrix of RIS Φ to maximize the ergodic spectral efficiency of the RIS-assisted large-scale MIMO system, subject to the maximum total transmit power …
X Zhang, AF Molisch, SY Kung - IEEE Transactions on Signal …, 2005 - ieeexplore.ieee.org
… MIMO system diagram with diversity transmission and FC-MRC reception. (b) PSS-MRC reception with an r-to-L(L<r)RLC with phase-shift… ; a phaseshift-based antenna selection method …
… massive MIMO-OFDM systems. In this paper, we propose adjustable phaseshift pilots (APSPs) for massive MIMO… For APSPs, one sequence along with different adjustable phaseshifted …
… architectures based on phaseshiftingnetworks and switching networks. Numerical … phase shifterbased hybrid architectures, we develop a power consumption model for mmWave MIMO …