Results 21 to 30 of about 20,641 (239)
Scalability Aspects of Cell-Free Massive MIMO [PDF]
ICC 2019 - 2019 IEEE International Conference on Communications (ICC), 2019 Ubiquitous cell-free massive MIMO (multiple-input multiple-output) combines massive MIMO technology and user-centric transmission in a distributed architecture.
Giovanni Interdonato +2 more
semanticscholar +5 more sources
On the Security of Cell-Free Massive MIMO Networks [PDF]
SensorsThe rapid growth of wireless devices, the expansion of the Internet of Things, and the aggregate demand for Ultra-Reliable Low-Latency communications (URLLC) are driving the improvement of next-generation wireless systems.
Hanaa Mohammed +4 more
doaj +2 more sources
Beamforming Design for Active-RIS-Aided Cell-Free Massive MIMO Networks Under Imperfect CSI [PDF]
SensorsIn the pursuit of an efficient 6G network that achieves an enhanced capacity with minimal power consumption, reconfigurable intelligent surfaces (RISs) and cell-free (CF) massive multiple-input-multiple-output (MIMO) networks emerge as two key ...
Qiang Ma, Hao Fang, Longxiang Yang
doaj +2 more sources
Modified Conjugate Beamforming for Cell-Free Massive MIMO [PDF]
IEEE Wireless Communications Letters, 2019 The work of A. Lozano was supported in part by MINECO/FEDER, UE under Project TEC2015-66228-P, and in part by the European Research Council through H2020 Framework Programme/ERC under Grant 694974.
Masoud Attarifar +2 more
openaire +4 more sources
User-Centric Cell-Free Massive MIMO with Low-Resolution ADCs for Massive Access [PDF]
SensorsThis paper proposes a heuristic association algorithm between access points (APs) and user equipment (UE) in user-centric cell-free massive multiple-input-multiple-output (MIMO) systems, specifically targeting scenarios where UEs share the same frequency
Jin-Woo Kim +7 more
doaj +2 more sources
Cell-Free Massive MIMO With Multiple Active Eavesdroppers
IEEE Open Journal of the Communications SocietyThis paper investigates the secrecy performance of cell-free massive MIMO (CF-mMIMO) systems in the presence of active spoofing attacks by multiple eavesdroppers (Eves). Each Eve conducts a spoofing attack on a different legitimate user during the uplink
Yasseen Sadoon Atiya +3 more
doaj +4 more sources
Subgroup-Centric Multicast Cell-Free Massive MIMO
IEEE Open Journal of the Communications SocietyCell-free massive multiple-input multiple-output (CF-mMIMO) is an emerging technology for beyond fifth-generation (5G) systems aimed at enhancing the energy and spectral efficiencies of future mobile networks while providing nearly uniform quality of ...
Alejandro De La Fuente +3 more
doaj +4 more sources
Cell-Free Massive MIMO: A New Next-Generation Paradigm
IEEE Access, 2019 Cell-free (CF) massive multiple-input-multiple-output (MIMO) systems have a large number of individually controllable antennas distributed over a wide area for simultaneously serving a small number of user equipments (UEs).
Jiayi Zhang +5 more
doaj +3 more sources
Precoding and Power Optimization in Cell-Free Massive MIMO Systems
IEEE Transactions on Wireless Communications, 2017 Elina Nayebi +4 more
semanticscholar +3 more sources
Multi-Static Target Detection and Power Allocation for Integrated Sensing and Communication in Cell-Free Massive MIMO [PDF]
IEEE Transactions on Wireless Communications, 2023 This paper studies an integrated sensing and communication (ISAC) system within a centralized cell-free massive MIMO (multiple-input multiple-output) network for target detection.
Z. Behdad +4 more
semanticscholar +1 more source