Results 11 to 20 of about 839,900 (174)

Massive MIMO Systems for 5G and beyond Networks—Overview, Recent Trends, Challenges, and Future Research Direction

open access: yesSensors, 2020
The global bandwidth shortage in the wireless communication sector has motivated the study and exploration of wireless access technology known as massive Multiple-Input Multiple-Output (MIMO).
Robin Chataut, Robert Akl
exaly   +4 more sources

Orbital-Angular-Momentum Embedded Massive MIMO: Achieving Multiplicative Spectrum-Efficiency for mmWave Communications [PDF]

open access: yesIEEE Access, 2018
By enabling very high bandwidth for radio communications, the millimeter-wave (mmWave), which can easily be integrated with massive-multiple-input-multiple-output (massive-MIMO) due to small antenna size, has been attracting growing attention as a ...
Wenchi Cheng   +4 more
doaj   +2 more sources

Design, Challenges and Developments for 5G Massive MIMO Antenna Systems at Sub 6-GHz Band: A Review

open access: yesNanomaterials, 2023
Massive multiple-input multiple-output (mMIMO) is a wireless access technique that has been studied and investigated in response to the worldwide bandwidth demand in the wireless communication sector (MIMO).
Sura Khalil Ibrahim   +7 more
doaj   +2 more sources

Ubiquitous cell-free Massive MIMO communications [PDF]

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
Since the first cellular networks were trialled in the 1970s, we have witnessed an incredible wireless revolution. From 1G to 4G, the massive traffic growth has been managed by a combination of wider bandwidths, refined radio interfaces, and network ...
Giovanni Interdonato   +4 more
doaj   +2 more sources

Technology Trends for Massive MIMO towards 6G [PDF]

open access: yesSensors, 2023
At the dawn of the next-generation wireless systems and networks, massive multiple-input multiple-output (MIMO) in combination with leading-edge technologies, methodologies, and architectures are poised to be a cornerstone technology. Capitalizing on its
Yiming Huo   +8 more
doaj   +2 more sources

Delay-Phase Precoding for Wideband THz Massive MIMO [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2021
Benefiting from tens of GHz of bandwidth, terahertz (THz) communication has become a promising technology for future 6G network. To deal with the serious propagation loss of THz signals, massive multiple-input multiple-output (MIMO) with hybrid precoding
L. Dai, Jingbo Tan, Zhi Chen, H. Poor
semanticscholar   +1 more source

Foundations of User-Centric Cell-Free Massive MIMO [PDF]

open access: yesFoundations and Trends® in Signal Processing, 2020
Imagine a coverage area where each mobile device is communicating with a preferred set of wireless access points (among many) that are selected based on its needs and cooperate to jointly serve it, instead of creating autonomous cells.
Ozlem Tugfe Demir   +2 more
semanticscholar   +1 more source

Performance evaluation of frequency division duplex (FDD) massive multiple input multiple output (MIMO) under different correlation models [PDF]

open access: yesPeerJ Computer Science, 2022
Massive multiple-input multiple-output (massive-MIMO) is considered as the key technology to meet the huge demands of data rates in the future wireless communications networks.
Alaa M. Abdul-Hadi   +4 more
doaj   +2 more sources

Precoding and Beamforming Techniques in mmWave-Massive MIMO: Performance Assessment

open access: yesIEEE Access, 2022
Massive MIMO and mmWave communication are the technologies for achieving 5G design goals. Fortunately, these two technologies share a symbiotic integration.
Tewelgn Kebede   +4 more
doaj   +1 more source

Massive MIMO for next generation wireless systems [PDF]

open access: yesIEEE Communications Magazine, 2013
Multi-user MIMO offers big advantages over conventional point-to-point MIMO: it works with cheap single-antenna terminals, a rich scattering environment is not required, and resource allocation is simplified because every active terminal utilizes all of ...
E. Larsson   +3 more
semanticscholar   +1 more source

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