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A Review on Cell-Free Massive MIMO Systems
Electronics, 2023 Cell-free massive multiple-input multiple-output (CF mMIMO) can be considered as a potential physical layer technology for future wireless networks since it can benefit from all the advantages of distributed antenna systems (DASs) and network MIMOs, such as macro-diversity gain, high channel capacity, and link reliability.
Joumana Kassam +4 more
openaire +2 more sources
Power minimization for GSIC-based uplink cell-free massive MIMO-NOMA systems
EURASIP Journal on Advances in Signal Processing, 2022 Non-orthogonal multiple access (NOMA) and multiple-input multiple-output (MIMO) are considered promising techniques to satisfy the demands for high spectrum efficiency and massive connectivity in future wireless communication.
Tao Cui +3 more
doaj +1 more source
IEEE Access, 2021 The intelligent reflecting surface (IRS) is considered a core technology of next-generation mobile communication. It has significant advantages in enhancing network coverage, spectrum efficiency, energy efficiency, and deployment cost.
Tao Zhou +4 more
doaj +1 more source
Local Partial Zero-Forcing Combining for Cell-Free Massive MIMO Systems [PDF]
IEEE Transactions on Communications, 2021 Cell-free massive multiple-input multiple-output (MIMO) provides more uniform spectral efficiency (SE) for users (UEs) than cellular technology. The main challenge to achieve the benefits of cell-free massive MIMO is to realize signal processing in a ...
Jiayi Zhang +3 more
semanticscholar +1 more source
, 2020 Multiple-input, multiple-output (MIMO), which transmits multiple data streams via multiple antenna elements, is one of the most attractive technologies in the wireless communication field.
core +1 more source
Adaptive Hybrid Precoding Strategy for Cell-Free Massive MIMO [PDF]
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2023 This work presents an adaptive hybrid signal precoding strategy for Cell-Free (CF) Massive multiple-input multiple-output (MIMO) systems. The proposed solution exploits the advantages of both distributed and centralized signal processing schemes to ...
Dercio M. Mathe +7 more
doaj +1 more source
Power Allocation for Joint Communication and Sensing in Cell-Free Massive MIMO [PDF]
Global Communications Conference, 2022 This paper studies a joint communication and sensing (JCAS) system with downlink communication and multi-static sensing for single-target detection in a cloud radio access network architecture.
Z. Behdad +4 more
semanticscholar +1 more source
Analysis and Design of Channel Estimation in Multicell Multiuser MIMO OFDM Systems [PDF]
, 2014 This paper investigates the uplink transmission in multicell multiuser multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems. The system model considers imperfect channel estimation, pilot contamination (PC), and
Xu, Peng +3 more
core +1 more source
Coverage Probability of Cell-Free Massive MIMO Systems [PDF]
2020 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom), 2020 Despite that ongoing and future networks become denser and increasingly irregular, prior works in the area of cell-free (CF) massive multiple-input-multiple-output (mMIMO) systems relied on the strong assumption of uniformly distributed access points (APs).
Anastasios K. Papazafeiropoulos +4 more
openaire +1 more source
Access Point Switch ON/OFF Strategies for Green Cell-Free Massive MIMO Networking
IEEE Access, 2020 The combination of user-centric network densification and distributed massive multiple-input multiple-output (MIMO) operation has recently brought along a new paradigm in the wireless communications arena, referred to as cell-free massive MIMO networking.
Guillem Femenias +2 more
doaj +1 more source