Results 91 to 100 of about 14,777 (220)
Parametric Channel Estimation for Massive MIMO [PDF]
2018 IEEE Statistical Signal Processing Workshop (SSP), 2018 Channel state information is crucial to achieving the capacity of multi-antenna (MIMO) wireless communication systems. It requires estimating the channel matrix. This estimation task is studied, considering a sparse channel model particularly suited to millimeter wave propagation, as well as a general measurement model taking into account hybrid ...
Luc Le Magoarou, Stéphane Paquelet
openaire +3 more sources
Reflecting Intelligent Surfaces Assisted High-Rank Ultra Massive MIMO Terahertz Channels [PDF]
peer reviewedReflective Intelligent Surface (RIS)-assisted Ultra-Massive MIMO (Um-MIMO) systems in the terahertz (THz) spectrum are gaining attention for surpassing current wireless system limitations.
SOLANKI, Sourabh +5 more
core +1 more source
, 2022 Η παρούσα διπλωματική εργασία έχει ως αντικείμενο της τεχνολογίας του Massive MIMO σε δίκτυα 5ης γενιάς. Η τεχνολογία του Massive MIMO προσφέρει δυο βασικά πλεονεκτήματα για τα συστήματα 5ης γενιάς, τα οποία είναι η εξαιρετική φασματική απόδοση, καθώς ...
Oikonomou Dimitrios +1 more
core
Infants and Mobiles: Developing an Understanding of Cause and Effect
Developmental Science, Volume 29, Issue 4, July 2026.ABSTRACT In the mobile conjugate reinforcement paradigm, an infant's leg is connected to a mobile via a string, allowing the infant to move the mobile via moving their leg. Over a few minutes, infants exhibit an increase in the frequency of movement of the connected leg.
Xia Xu, Jochen Triesch
wiley +1 more source
, 2020 Massive multiple -input multiple -output (MIMO) technology offers significant improvements in both spectral and energy efficiency by utilizing the same time and frequency resource as current radio networks to simultaneously serve multiple users with the ...
Chien, Trinh Van +1 more
core +1 more source
Advanced Functional Materials, Volume 36, Issue 52, 29 June 2026.Thermally oxidized MoS2‐based radio‐frequency switches enable a multifunctional platform that unifies broadband RF switching and in‐memory computation. The device achieves a cutoff frequency of 33.2 THz with high energy efficiency and supports hardware‐aware signal processing.
Juho Son +5 more
wiley +1 more source
Jamming resistant receivers for massive MIMO [PDF]
2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2017 We design jamming resistant receivers to enhance the robustness of a massive MIMO uplink channel against jamming. In the pilot phase, we estimate not only the desired channel, but also the jamming channel by exploiting purposely unused pilot sequences.
Tan Tai Do +2 more
openaire +2 more sources
A Joint Channel Modeling, Parameter Estimation and Geometry‐Based Indoor Localization for 5G Systems
Transactions on Emerging Telecommunications Technologies, Volume 37, Issue 6, June 2026.We propose an end‐to‐end method to accurately localize mobile stations in indoor scenarios, such as those found in Industry 4.0. To this end, we jointly perform wireless channel modeling considering mmWave and MIMO technologies, parameter estimation in 3D, and simple and fine‐grained geometry‐based localization.
Paulo Francisco da Conceição +2 more
wiley +1 more source
Massive MIMO Optimization With Compatible Sets [PDF]
IEEE Transactions on Wireless Communications, 2019 Massive multiple-input multiple-output (MIMO) is expected to be a vital component in future 5G systems. As such, there is a need for new modeling in order to investigate the performance of massive MIMO not only at the physical layer, but also higher up the networking stack.
Emma Fitzgerald +2 more
openaire +2 more sources
Review of millimeter‐wave and terahertz near‐field synthetic aperture radar imaging technology
InfoScience, Volume 3, Issue 2, June 2026.Abstract This paper comprehensively reviews the development of millimeter‐wave (MMW) and terahertz (THz) near‐field imaging technologies, with an emphasis on the state of synthetic aperture radar (SAR)‐based imaging technologies. Near‐field imaging technologies are categorized into passive and active imaging modes, among which active imaging is favored
Qi Yang +3 more
wiley +1 more source