Results 1 to 10 of about 6,450,359 (383)
Spectral Efficiency and Energy Efficiency Tradeoff in Massive MIMO Downlink Transmission with Statistical CSIT [PDF]
IEEE Transactions on Signal Processing, 2020 As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and the performance is highly dependant on the degree of the available ...
Gao, Xiqi +4 more
core +2 more sources
Spectral Efficiency of Mixed-ADC Massive MIMO [PDF]
IEEE Transactions on Signal Processing, 2018 We study the spectral efficiency (SE) of a mixed-ADC massive MIMO system in which K single-antenna users communicate with a base station (BS) equipped with M antennas connected to N high-resolution ADCs and M-N one-bit ADCs.
Pirzadeh, Hessam, Swindlehurst, A. Lee
core +2 more sources
IEEE Access, 2018 In this paper, the energy efficiency and the spectral efficiency for orthogonal frequency division multiplexing (OFDM)-based visible light communication schemes are studied, which is crucial for practical application with limited energy resources.
Yaqi Sun, Fang Yang, Ling Cheng
openalex +2 more sources
arXiv.orgThis study concerns the efficiency of time-spectral methods for numerical solution of differential equations. It is found that the time-spectral method GWRM demonstrates insensitivity to stiffness and chaoticity due to the implicit nature of the solution algorithm.
Jan Scheffel
openaire +3 more sources
Multi-User Holographic MIMO Surfaces: Channel Modeling and Spectral Efficiency Analysis [PDF]
IEEE Journal on Selected Topics in Signal Processing, 2021 The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption, has been recently considered as an energy-efficient solution for future ...
Li Wei +6 more
semanticscholar +1 more source
Energy Efficiency and Spectral Efficiency Tradeoff in RIS-Aided Multiuser MIMO Uplink Transmission [PDF]
IEEE Transactions on Signal Processing, 2020 The emergence of reconfigurable intelligent surfaces (RISs) enables us to establish programmable radio wave propagation that caters for wireless communications, via employing low-cost passive reflecting units.
Li You +5 more
semanticscholar +1 more source
Downlink Spectral Efficiency of Cell-Free Massive MIMO Systems With Multi-Antenna Users [PDF]
IEEE Transactions on Communications, 2020 This paper studies a cell-free massive multiple-input multiple-output (MIMO) system where its access points (APs) and users are equipped with multiple antennas. Two transmission protocols are considered.
Trang C. Mai, H. Ngo, T. Duong
semanticscholar +1 more source
Partially-Connected Hybrid Beamforming for Spectral Efficiency Maximization via a Weighted MMSE Equivalence [PDF]
IEEE Transactions on Wireless Communications, 2020 Hybrid beamforming (HBF) is an attractive technology for practical massive multiple-input and multiple-output (MIMO) millimeter wave (mmWave) systems. Compared with the fully-connected HBF architecture, the partially-connected one can further reduce the ...
Xingyu Zhao, Tian Lin, Yu Zhu, Jun Zhang
semanticscholar +1 more source
ESTIMATION OF POTENTIAL PARAMETERS FOR 5G MOBILE NETWORKS RADIOCHANNELS
Information and Telecommunication Sciences, 2023 Background. Deploying of 5G mobile networks opens up wide opportunities for the development of IoT, high-speed access to Internet services, industrial automation, telemedicine and other modern services.
Ігор Березовський +1 more
doaj +1 more source
Energy and Spectral Efficiency of Very Large Multiuser MIMO Systems [PDF]
IEEE Transactions on Communications, 2011 A multiplicity of autonomous terminals simultaneously transmits data streams to a compact array of antennas. The array uses imperfect channel-state information derived from transmitted pilots to extract the individual data streams.
H. Ngo, E. Larsson, T. Marzetta
semanticscholar +1 more source