Results 1 to 10 of about 2,740 (261)
Physical Layer Security: Channel Sounding Results for the Multi-Antenna Wiretap Channel [PDF]
Entropy, 2023 Many physical-layer security works in the literature rely on purely theoretical work or simulated results to establish the value of physical-layer security in securing communications.
Daniel Harman +5 more
doaj +2 more sources
Exploring the Feasibility of Fall Detection Using Bluetooth Low Energy Channel Sounding in Residential Environments [PDF]
SensorsFalls represent a major health risk for older adults living independently, motivating the development of unobtrusive and privacy-preserving monitoring solutions.
Šarūnas Paulikas, Simona Paulikiene
doaj +2 more sources
Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link
Remote Sensing, 2015 La Salle and Ebro Observatory have been involved in remote sensing projects in Antarctica for the last 11 years (approximately one solar cycle). The Ebro Observatory has been monitoring and analyzing the geomagnetic and the ionospheric activity in the ...
Marcos Hervás +5 more
doaj +3 more sources
Doppler shifts of HF radio waves along oblique propagation paths in the ionosphere
Вісник Харківського національногоуніверситету імені В.Н. Каразіна. Серія: Радіофізика та електроніка, 2023 Urgency. The ionosphere is widely used as a channel for radar, radioastronomy, radio navigation, communication links, and space-based sounding the Earth.
L. F. Chernogor, Y. H. Zhdanko
doaj +1 more source
Computer Vision Aided Beamforming Fused With Limited Feedback
IEEE Transactions on Machine Learning in Communications and Networking, 2023 The growing antenna array scale, the uncorrelated fadings between downlink and uplink of frequency division duplex (FDD) or analog beamforming design increases the difficulty of channel sounding or estimation.
T. Xiang +4 more
doaj +1 more source
High-Frequency Channel Modeling Based on the Multi-Source Ionospheric Assimilation Model
Remote Sensing, 2022 In this paper, we explored how to more accurately predict the quality of high-frequency links and how to better research and improve the capabilities of high-frequency communication, reconnaissance, and positioning systems.
Mingjie Lv +7 more
doaj +1 more source
ReCIBE, 2020 Industrial wireless channel is a challenge for the design of communication systems, due to non-Line-of-Sight transmission, caused by the presence of many highly reflective obstacles, and machines in operation, which are a source of the increased noise ...
Grzegorz Korzeniewski +1 more
doaj +1 more source
IEEE Open Journal of Antennas and Propagation, 2022 Millimeter-wave (mmWave) communications promise Gigabit/s data rates thanks to the availability of large swaths of bandwidth between 10–100 GHz.
Damla Guven +9 more
doaj +1 more source
THz Channel Sounding and Modeling Techniques: An Overview
IEEE Access, 2023 As the world warms up to the idea of millimeter wave (mmWave) communication and fifth generation (5G) mobile networks, realization slowly dawns that the data rate, latency, throughput, and other performance metrics that are used to assess a new wireless ...
Anirban Ghosh, Minseok Kim
doaj +1 more source
A simple ANN-MLP model for estimating 60-GHz PDP inside public and private vehicles
EURASIP Journal on Wireless Communications and Networking, 2023 Radio wave propagation in an intra-vehicular (IV) environment is markedly different from other well-studied indoor scenarios, such as an office or a factory floor.
Rajeev Shukla +6 more
doaj +1 more source