Results 161 to 170 of about 9,064,310 (225)

Satellite-Assisted Cell-Free Massive MIMO Systems with Multi-Group Multicast. [PDF]

Sensors (Basel), 2021
Li J, Chen L, Zhu P, Wang D, You X.
europepmc   +1 more source

Channel Estimation for Massive MIMO Systems via Polarized Self-Attention-Aided Channel Estimation Neural Network. [PDF]

Entropy (Basel)
Yang S, Li Y, Liu L, Xia J, Wang B, Li X.   +5 more
europepmc   +1 more source

Deep Learning-Based Joint CSI Feedback and Hybrid Precoding in FDD mmWave Massive MIMO Systems. [PDF]

Entropy (Basel), 2022
Sun Q, Zhao H, Wang J, Chen W.
europepmc   +1 more source

Adaptable Hybrid Beamforming with Subset Optimization Algorithm for Multi-User Massive MIMO Systems. [PDF]

Sensors (Basel)
Huang Z, Yang L, Tan W, Wang H.
europepmc   +1 more source

DGD-CNet: Denoising Gated Recurrent Unit with a Dropout-Based CSI Network for IRS-Aided Massive MIMO Systems. [PDF]

Sensors (Basel)
Abdelmaksoud A, Abdelhamid B, Elbadawy H, El Hennawy H, Eldyasti S.   +4 more
europepmc   +1 more source

Downlink Transmissions of UAV-RIS-Assisted Cell-Free Massive MIMO Systems: Location and Trajectory Optimization. [PDF]

Sensors (Basel)
Zhang Q, Zhao J, Zhang R, Yang L.
europepmc   +1 more source

Mitigating mutual coupling effects on circular polarization for improved bandwidth in MIMO systems: A novel approach. [PDF]

Heliyon
Ali A, Yasin MNM, Adam I, Ismail AM, Jack SP, Alghaihab A, Nor NIM, Rahman NAA.   +7 more
europepmc   +1 more source

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Full dimension mimo (FD-MIMO): the next evolution of MIMO in LTE systems

IEEE Wireless Communications, 2014
Full dimension MIMO has attracted significant attention in the wireless industry and academia in the past few years as a candidate technology for the next generation evolution toward beyond fourth generation and fifth generation cellular systems. FD-MIMO utilizes a large number of antennas placed in a 2D antenna array panel for realizing spatially ...
Younsun Kim, Hyoungju Ji, Juho Lee 0002, Young-Han Nam, Boon Loong Ng, Ioannis Tzanidis, Yang Li 0024, Jianzhong Zhang 0002   +7 more
openaire   +4 more sources

Reciprocity for MIMO systems

European Transactions on Telecommunications, 2011
We give reciprocity results for the channel capacity efficiency (i.e. the capacity/bandwidth – abbreviated here to capacity) of an N-transmit M-receive antenna wireless system, when the gain matrix is known to the receiver but not the transmitter. The channel may be non-Gaussian. Transmitter power or receiver noise may be variable. We consider the case
Christopher S. Withers, Saralees Nadarajah   +1 more
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To MIMO or Not To MIMO in Mobile Satellite Broadcasting Systems

IEEE Transactions on Wireless Communications, 2011
This letter studies the potential capacity advantages of introducing a dual polarization per beam paradigm instead of the conventional single polarization per beam in mobile satellite broadcasting systems. This enables the application of MIMO techniques, not yet thoroughly investigated for mobile satellite systems.
Pantelis-Daniel M. Arapoglou, Paolo Burzigotti, Massimo Bertinelli, Ana Bolea Alamañac, Riccardo De Gaudenzi   +4 more
openaire   +2 more sources