Results 11 to 20 of about 520,343 (350)

Federated Learning Over Wireless Fading Channels [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2019
We study federated machine learning at the wireless network edge, where limited power wireless devices, each with its own dataset, build a joint model with the help of a remote parameter server (PS). We consider a bandwidth-limited fading multiple access
M. Amiri, Deniz Gündüz
semanticscholar   +1 more source

Product and Ratio of Product of Fisher-Snedecor ℱ Variates and Their Applications to Performance Evaluations of Wireless Communication Systems

open access: yesIEEE Access, 2020
This article considers the product, and the ratio of the product of Fisher-Snedecor F random variables (RVs), which can be used in modeling fading conditions that are encountered in realistic wireless transmission.
Osamah S. Badarneh   +4 more
doaj   +1 more source

The BER Performance of the LDPC-Coded MPPM over Turbulence UWOC Channels

open access: yesPhotonics, 2022
Turbulence-induced fading is a critical performance degrading factor for underwater wireless optical communication (UWOC) systems. In this paper, we propose a quasi-cyclic (QC) low-density parity-check (LDPC) code with multiple-pulse-position modulation (
Hongyan Jiang   +4 more
doaj   +1 more source

Suitability of pure nano crystalline LiF as a TLD dosimeter for high dose gamma radiation [PDF]

open access: yesNuclear Technology and Radiation Protection, 2018
LiF is an alkali halide that is commonly used in radiation dosimetry utilizing its well-known thermoluminescence property. Pure LiF has very limited use in radiation dosimetry since the density and types of the internal traps are limited.
Amer Hany A.   +3 more
doaj   +1 more source

Evaluation of Signal Level Distribution in 5G Radio Relay Transmissions

open access: yesEngineering Proceedings, 2023
The rapid emergence of the 5G networks has posed a number of new planning problems, which should be carefully analyzed to optimize the installation of the new technologies and to integrate them into the existing mobile network.
Teodor Iliev   +4 more
doaj   +1 more source

Recent Developments in Laser Fading of Denim: A Critical Review

open access: yesJournal of Natural Fibers, 2022
The utilization of denim dates back to ancient times, and still, it is one of the most utilized fabrics around the globe. Special considerations are given to its fading effects. There are many ways for the said fading associated with pros and cons.
Sheraz Ahmad   +5 more
doaj   +1 more source

Perspective method for reconfigurable intelligent surface design for NOMA transmission: Theoretical study

open access: yesFrontiers in Communications and Networks, 2023
The method (paradigm) presented here was inspired by two basic ideas: the assumption of the MIMO-RIS-NOMA communication channel as a dispersive channel with fading, and the representation of the latter by means of the generalized Kronecker channel model (
V. Kontorovich
doaj   +1 more source

Spatial Modeling of Interference in Inter-Vehicular Communications for 3-D Volumetric Wireless Networks

open access: yesIEEE Access, 2020
Unmanned aerial vehicle (UAV) assisted cell-free communications hold promise for enhancing the coverage and capacity of heterogeneous cellular networks.
Ali Raza   +5 more
doaj   +1 more source

3D Trajectory Optimization in Rician Fading for UAV-Enabled Data Harvesting [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2019
Dispatching unmanned aerial vehicles (UAVs) to harvest sensing-data from distributed sensors is expected to significantly improve the data collection efficiency in conventional wireless sensor networks (WSNs). In this paper, we consider a UAV-enabled WSN,
Changsheng You, Rui Zhang
semanticscholar   +1 more source

Beamforming Through Reconfigurable Intelligent Surfaces in Single-User MIMO Systems: SNR Distribution and Scaling Laws in the Presence of Channel Fading and Phase Noise [PDF]

open access: yesIEEE Wireless Communications Letters, 2020
We consider a fading channel in which a multi-antenna transmitter communicates with a multi-antenna receiver through a reconfigurable intelligent surface (RIS) that is made of ${N}$ reconfigurable passive scatterers impaired by phase noise.
Xuewen Qian   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy