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Displaying 326 - 350 of 1405

A Novel Adaptive Transmission Algorithm for Device-to-Device Direct Discovery

June 27, 2017
Author(s)
Aziza Ben Mosbah, David W. Griffith, Richard A. Rouil
In this paper we study and improve one service used for Proximity Services and Device-to-Device (D2D) communications: D2D Direct Discovery. As defined in the Third Generation Partnership Project, for both in-coverage and out-of-coverage cases, resource

Implementation and Validation of an LTE D2D Model for ns-3

June 13, 2017
Author(s)
Richard A. Rouil, Fernando J. Cintron, Aziza Ben Mosbah, Samantha M. Gamboa Quintiliani
The ability to perform device-to-device (D2D) communication in Long Term Evolution (LTE)-based cellular networks became possible with the introduction of Proximity Services (ProSe) functionalities in the 3rd Generation Partnership Program (3GPP)

Software Tools for Uncertainty Evaluation in VNA Measurements: A Comparative Study

June 8, 2017
Author(s)
Gustavo Avolio, Dylan Williams, Michael Frey, Sarah B. Streett, Dominique Schreurs, Andrea Ferrero, Michael Dieudonne
We compared three software tools designed for scattering-parameter measurement uncertainty evaluation. These tools propagate uncertainty to calibrated S-parameters by means of a sensitivity analysis. We also validated the sensitivity analysis with Monte

Resonant Acoustic Frequency Shifts Associated with Cracks in Multilayer Ceramic Capacitors

June 6, 2017
Author(s)
Ward L. Johnson, Jaemi Herzberger, Sudook A. Kim, Kirsten L. Peterson, Paul R. Heyliger, Grady S. White
Resonant ultrasound spectroscopy (RUS) was used in this study to measure shifts in resonant frequency that arise from the presence of cracks in barium-titanate-based multi-layer ceramic capacitors (MLCCs). This work was motivated by an industrial need for

3.5 GHz Radar Waveform Capture at Point Loma

May 11, 2017
Author(s)
Paul D. Hale, Jeffrey A. Jargon, Peter J. Jeavons, Michael R. Souryal, Adam J. Wunderlich, Mark Lofquist
We describe measurements to create a library of high-fidelity waveforms of federal incumbent radar signals currently operating in the 3550 MHz – 3650 MHz (“3.5 GHz”) band. In the first phase of assembling this library, measurements were collected at Point

Industrial Wireless Systems Workshop Proceedings

May 11, 2017
Author(s)
Richard Candell
Background: Wireless technology has great appeals to many manufacturers, in this case industrial automation systems, which include process control, discrete manufacturing, safety systems, and building automation. Applying wireless sensing and control

Guide to Bluetooth Security

May 8, 2017
Author(s)
John Padgette, John Bahr, Mayank Batra, Marcel Holtmann, Rhonda Smithbey, Lidong Chen, Karen Scarfone
Bluetooth wireless technology is an open standard for short-range radio frequency communication used primarily to establish wireless personal area networks (WPANs), and has been integrated into many types of business and consumer devices. This publication

Dynamic Appliances Scheduling in Collaborative MicroGrids System

May 1, 2017
Author(s)
Hamid Gharavi, Hasnae Bilil
Abstract—In this paper a new approach which is based on a collaborative system of MicroGrids (MG’s), is proposed to enable household appliance scheduling. To achieve this, appliances are categorized into flexible and non-flexible Deferrable Loads (DL’s)

Life Time Dosimetric Assessment for Mice and Rats Exposed to Cell Phone Radiation in Reverberation Chambers

March 17, 2017
Author(s)
Perry F. Wilson, John M. Ladbury, Galen H. Koepke, Yijian Gong, Myles Capstick, Keven Kuhn, David L. McCormick, Ronald L. Melnick, Niels Kuster
In this paper, we present a detailed life time dosimetry analysis for individually housed rodents exposed to radio frequency (RF) signals. The unrestrained rodents were exposed in reverberation chambers for 2 years at three whole-body averaged specific
Displaying 326 - 350 of 1405
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