Results 41 to 50 of about 1,129,195 (294)
Connectivity Analysis of Cognitive Radio Ad-Hoc Networks with Multi-Pair Primary Networks
Sensors, 2019 In this paper, we study the connectivity of cognitive radio ad-hoc networks (CRAHNs) where primary users (PUs) and secondary users (SUs) are randomly distributed in a given area following a homogeneous Poisson process.
Le The Dung, Seong-Gon Choi
doaj +1 more source
Statistical Analysis of Silicon Photomultiplier Output Signals
Sensors, 2022 Silicon photomultipliers are relatively new devices designed as a matrix of single-photon avalanche detectors, which have become popular for their miniature dimensions and low operating voltage.
Zdenek Kolka +2 more
doaj +1 more source
Poster Abstract: Interconnecting Low-Power Wireless and Power-Line Communications using IPv6 [PDF]
, 2010 Wireless sensor networks for building automation and energy management has made great progress in recent years, but the inherent indoor radio range limitations can make communication unpredictable and system deployments difficult.
Chauvenet, Cedric +9 more
core +1 more source
Utilization of photon orbital angular momentum in the low-frequency radio domain [PDF]
, 2007 We show numerically that vector antenna arrays can generate radio beams which exhibit spin and orbital angular momentum characteristics similar to those of helical Laguerre-Gauss laser beams in paraxial optics.
A. E. Siegman +17 more
core +3 more sources
AAA+ protein unfoldases—the Moirai of the proteome
FEBS Letters, EarlyView.AAA+ unfoldases are essential molecular motors that power protein degradation and disaggregation. This review integrates recent cryo‐electron microscopy (cryo‐EM) structures and single‐molecule biophysical data to reconcile competing models of substrate translocation.
Stavros Azinas, Marta Carroni
wiley +1 more source
International Journal of Antennas and Propagation, 2015 A compact triple-band monopole antenna consisting of double rectangular rings and vertical slots cut into the ground is proposed for WLAN and WiMAX operations. The antenna has a compact size of 27.1 × 38.8 × 1.6 mm3, with simulated and measured impedance
Sangjin Jo +5 more
doaj +1 more source
A Software-Defined Channel Sounder for Industrial Environments with Fast Time Variance [PDF]
, 2018 Novel industrial wireless applications require wideband, real-time channel characterization due to complex multipath propagation. Rapid machine motion leads to fast time variance of the channel's reflective behavior, which must be captured for radio ...
Block, Dimitri +2 more
core +3 more sources
Molecular Oncology, EarlyView.Combining PTEN protein assessment and transcriptomic profiling of prostate tumors, we uncovered a network enriched in senescence and extracellular matrix (ECM) programs associated with PTEN loss and conserved in a mouse model. We show that PTEN‐deficient cells trigger paracrine remodeling of the surrounding stroma and this information could help ...
Ivana Rondon‐Lorefice +16 more
wiley +1 more source
Synthesis of Amplitude-Phase Distribution in Quasiconcave an Antenna Array
Известия высших учебных заведений России: Радиоэлектроника, 2017 Ring antenna arrays find wide application in radio systems of various purpose. However, in many cases it is necessary to use quasi-ring antenna arrays when the emitters are not located in a circle.
M. R. Bibarsov +4 more
doaj
Improved performance of a hybrid radio/fiber system using a directly modulated laser transmitter with external injection [PDF]
, 2002 A directly modulated laser diode with external light injection is used to generate microwave optical signals for a hybrid radio/fiber system. The external light injection greatly enhances the frequency response of the laser, and thus, significantly ...
Anandarajah, Prince M. +2 more
core +1 more source