Intelligent Massive-MIMO Systems and Wireless Communications
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".
Deadline for manuscript submissions: 20 November 2024 | Viewed by 193
Special Issue Editors
Interests: interests: 5G wireless communications; radio communications; cellular networks; MIMO systems; adaptive antennas; LTE; cross-layer design
Special Issues, Collections and Topics in MDPI journals
Interests: wireless communication systems; free space optical communications
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The deployment of the fifth-generation (5G) networks has already starting taking place, aiming to provide improved data rates to mobile users, higher spectral end energy efficiency, as well as coverage in harsh propagation conditions. To this end, two key novel technologies in the physical layer include the deployment of a very large number of transmitting antennas to access points, also known as massive multiple input multiple output (m-MIMO), as well as the use of millimeter-wave transmission; however, conventional beamforming techniques with a dedicated radio frequency (RF) chain per transmitting antenna cannot be directly applicable in m-MIMO topologies, as this would significantly increase hardware and computational complexity. In this context, an alternate approach is based on the use of an RF chain for a specific group of transmitting antennas while their phases are controlled by the analog part. Recent studies have shown that the performance of this sub-optimal architectural approach, also known as hybrid-beamforming, can nearly reach the performance of fully digital m-MIMO configurations.
It becomes apparent from the above that efficient hybrid beamforming techniques are extremely important in broadband wireless networks, since apart from reduced computational load they can leverage energy efficient solutions, which is a key concept towards decentralized connectivity approaches.
This Special Issue addresses all recent developments in m-MIMO techniques for broadband wireless networks. Indicative topics include:
- Hybrid beamforming techniques;
- Machine-learning aided solutions;
- Design of energy efficient m-MIMO transceivers;
- Cell-free m-MIMO;
- NOMA-based m-MIMO;
- Secure communications in m-MIMO scenarios;
- IRS-assisted m-MIMO systems;
- Channel measurements, characteristics, and modeling;
- Joint radar and communication systems
Dr. Panagiotis K. Gkonis
Dr. Petros S. Bithas
Dr. Christos G. Tsinos
Guest Editors
Manuscript Submission Information
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Keywords
- adaptive antennas
- MIMO systems
- wireless communication
- channel modeling
