Cell-free massive MIMO: A survey
Towards a fully connected intelligent digital world, 5G and beyond networks experience a
new era of Internet of intelligence with connected people and things. This new era brings …
new era of Internet of intelligence with connected people and things. This new era brings …
A survey on model-based, heuristic, and machine learning optimization approaches in RIS-aided wireless networks
Reconfigurable intelligent surfaces (RISs) have received considerable attention as a key
enabler for envisioned 6G networks, for the purpose of improving the network capacity …
enabler for envisioned 6G networks, for the purpose of improving the network capacity …
Reconfigurable intelligent surface-assisted cell-free massive MIMO systems over spatially-correlated channels
Cell-Free Massive multiple-input multiple-output (MIMO) and reconfigurable intelligent
surface (RIS) are two promising technologies for application to beyond-5G networks. This …
surface (RIS) are two promising technologies for application to beyond-5G networks. This …
Cell-free massive MIMO for 6G wireless communication networks
The recently commercialized fifth-generation (5G) wireless networks have achieved many
improvements, including air interface enhancement, spectrum expansion, and network …
improvements, including air interface enhancement, spectrum expansion, and network …
How much does reconfigurable intelligent surface improve cell-free massive MIMO uplink with hardware impairments?
This paper investigates the uplink performance of a general cell-free massive multiple-input
multiple-output (CF-mMIMO) system, in which all access points (APs) and user equipments …
multiple-output (CF-mMIMO) system, in which all access points (APs) and user equipments …
Performance analysis of RIS-assisted cell-free massive MIMO systems with transceiver hardware impairments
Integrating reconfigurable intelligent surface (RIS) into cell-free massive multiple-input
multiple-output (MIMO) is a promising approach to enhance the coverage quality, spectral …
multiple-output (MIMO) is a promising approach to enhance the coverage quality, spectral …
RIS-aided cell-free massive MIMO systems for 6G: Fundamentals, system design, and applications
An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …
demands and more challenges for sixth-generation (6G) networks, such as high spectral …
Reconfigurable intelligent surface aided multi-user communications: State-of-the-art techniques and open issues
Reconfigurable intelligent surface (RIS)-aided communication is considered as an exciting
research topic in academic and industrial communities since it provides an emerging …
research topic in academic and industrial communities since it provides an emerging …
Two-timescale transmission design for RIS-aided cell-free massive MIMO systems
This paper investigates the performance of a two-timescale transmission design for uplink
reconfigurable intelligent surface (RIS)-aided cell-free massive multiple-input multiple-output …
reconfigurable intelligent surface (RIS)-aided cell-free massive multiple-input multiple-output …
Generalized superimposed training scheme in IRS-assisted cell-free massive MIMO systems
In this article, for a cell-free massive multi-input multi-output (MIMO) system assisted with
intelligent reflective surface (IRS) panels, a generalized superimposed pilot (GSP) training …
intelligent reflective surface (IRS) panels, a generalized superimposed pilot (GSP) training …