Results 11 to 20 of about 834,282 (244)
Two-stage Channel Frequency Response Estimation in OFDM Systems [PDF]
, 2020 This paper proposes two-stage channel frequency response estimation algorithm in communication systems with OFDM technology. Algorithm is based on Kalman filter. Pilots from current and previous OFDM symbols are used for channel estimation.
Myronchuk, Oleksandr +2 more
core +2 more sources
FadeNet: Deep Learning-Based mm-Wave Large-Scale Channel Fading Prediction and its Applications
IEEE Access, 2021 Accurate prediction of the large-scale channel fading is fundamental to planning and optimization in 5G millimeter-wave cellular networks. The current prediction methods, which are either too computationally expensive or inaccurate, are unsuitable for ...
Vishnu V. Ratnam +8 more
doaj +1 more source
IRS-Aided Wireless Communication: From Physics to Channel Modeling and Characterization
IEEE Access, 2023 Intelligent reflecting surface has recently emerged as a cost-effective solution to overcome the deep fading and uncontrollable wireless environment. This leads to a need for studies on the wireless channels of IRS-aided wireless communication (IRSaWC ...
Phu Van Tuan, Ic Pyo Hong
doaj +1 more source
Frontiers in Cell and Developmental Biology, 2020 Over the past decade, thiazines, thiadiazoles, and thiohydrazides have attracted increasing attention due to their sedative, antimicrobial, antiviral, antifungal, and antitumor activities.
Anastasiia A. Zakharova +5 more
doaj +1 more source
Sensors, 2023 This paper aims to provide a metaheuristic approach to drone array optimization applied to coverage area maximization of wireless communication systems, with unmanned aerial vehicle (UAV) base stations, in the context of suburban, lightly to densely ...
Flávio Henry Cunha da Silva Ferreira +3 more
doaj +1 more source
QRIS: A QuaDRiGa-Based Simulation Platform for Reconfigurable Intelligent Surfaces
IEEE Access, 2023 Reconfigurable Intelligent Surfaces (RISs) are a promising way to improve the performance of wireless networks. However, despite the high interest in the research community, no flexible enough simulation platform allows for studying the performance of ...
Ilya Burtakov +3 more
doaj +1 more source
Intelligent and Ubiquitous Positioning Framework in 5G Edge Computing Scenarios
IEEE Access, 2020 The prosperity of artificial intelligence and 5G has continuously enhanced the capabilities of edge devices. Edge computing is one of the key technologies of 5G network in the future, and the positioning capabilities of edge devices can significantly ...
Chi Guo +4 more
doaj +1 more source
IEEE Open Journal of the Communications Society, 2023 Performance of wireless powered wireless systems is analyzed. The wireless devices in such systems scavenge energy from sources in downlinks and use the energy to communicate in uplinks. We introduce two new models for these energy harvesters to consider
Adebola Olutayo +4 more
doaj +1 more source
Behavioral modeling of power line communication channels for automotive applications [PDF]
, 2012 The black-box modeling of a power line communication channel in a car is addressed in this paper. The proposed behavioral approach is based on the so-called multipath model representation, that describes the transmission of a signal on a possibly complex
F.G. Canavero, I.S. Stievano
core +1 more source
Fractional diffusion modeling of ion channel gating [PDF]
, 2004 An anomalous diffusion model for ion channel gating is put forward. This scheme is able to describe non-exponential, power-law like distributions of residence time intervals in several types of ion channels.
A. L. Hodgkin +15 more
core +1 more source