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Search Publications by: Jeanne Quimby (Fed)

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Displaying 26 - 50 of 60

Frequency Invariant Beampatterns for Wideband Synthetic Aperture Channel Sounders

May 29, 2020
Author(s)
Peter G. Vouras, Jeanne T. Quimby, Benjamin F. Jamroz, Alec J. Weiss, Rodney W. Leonhardt, Dylan F. Williams, Catherine A. Remley
This paper derives two novel frequency invariant beamformers (FIBs) for use with wideband synthetic aperture channel sounders. Results using measured data show that the choice of beam pattern can affect the amount of diffuse multipath energy received

Channel Sounder Measurement Verification: Conducted Tests

April 15, 2020
Author(s)
Jeanne T. Quimby, Jeffrey A. Jargon, Rodney W. Leonhardt, Jake D. Rezac, Paul D. Hale, Catherine A. Remley, Amanda A. Koepke, Robert Johnk, chriss Hammerschmidt, Paul Mckenna, Irena Stange, Mike Chang
Channel modeling often provides a basis for the design and deployment of wireless technology. Engineers design systems to operate under certain expected channel conditions. Channel models are typically based on the statistics of a collection of many

Millimeter-Wave Highly-Multipath Channel Measurements

February 21, 2020
Author(s)
Alec Weiss, Joshua Kast, Rob Jones, Jeanne Quimby, Rodney Leonhardt, Benjamin Jamroz, Peter Vouras, Dylan Williams, Kate Remley
We provide the frequency response of a high multipath propagation channel using a narrow beamwidth synthetic aperture measurement technique from 26.5 - 40 GHz.

Verifying the Performance of a Correlation-Based Channel Sounder in the 3.5 GHz Band with a Calibrated Vector Network Analyzer

December 12, 2019
Author(s)
Jeffrey A. Jargon, Jeanne T. Quimby, Catherine A. Remley, Amanda A. Koepke, Dylan F. Williams
We verified the performance of a correlation-based channel sounder in the 3.5 GHz band with a calibrated vector network analyzer by comparing measurements in a stable, coaxial environment at the same reference planes. The purpose of this experiment was to

A Classification Scheme for Wireless Channel Models Across the Development Life Cycle

July 12, 2019
Author(s)
David Michelson, Camillo Gentile, Nada T. Golmie, Jeanne Quimby, Kate Remley, Ken Gracie, Yvo de Jong
Wireless channel models play a critical role at all stages of the product life cycle, from standards development to network deployment. However, the distinctive needs and requirements for the channel models used at each stage of the cycle are rarely

Large-Signal Network Analysis for Over-the-Air Test of Up-Converting and Down-Converting Phased Arrays

June 1, 2019
Author(s)
Alec Weiss, Dylan Williams, Jeanne Quimby, Rod Leonhardt, Thomas Choi, Zihang Chen, Kate Remley, andreas Molisch, Ben Jamroz, Jake Rezac, Peter Vouras
We explore large-signal network analysis for the over-the-air test of up-converting and down-converting phased arrays. The approach first uses a vector network analyzer to calibrate the impulse response of an over-the-air test system at RF. The vector

Interlaboratory Millimeter-Wave Channel Sounder Verification

March 30, 2019
Author(s)
Jeanne Quimby, David G. Michelson, Mustapha Bennai, Kate Remley, Joshua Kast, Alec Weiss
The channel sounder verification program within the National Institute of Standards and Technology-coordinated 5G mmWave Channel Model Alliance aims to place channel sounders on a sound metrological foundation by using well-established laboratory

Portable Verification Artifact for Millimeter-Wave-Frequency Channel Sounders

March 1, 2019
Author(s)
Jos N. Dortmans, Jeanne Quimby, Kate Remley, Dylan Williams, Jelena Senic, Roy Sun, Peter B. Papazian
We develop a portable artifact for the conducted verification of millimeter-wave-frequency channel sounders. The artifact is first characterized with a vector network analyzer, providing a high-dynamic range, traceable measurement and complete uncertainty

Guide to Industrial Wireless Systems Deployments

May 21, 2018
Author(s)
Richard Candell, Mohamed T. Hany, Kang B. Lee, Yongkang Liu, Jeanne T. Quimby, Catherine A. Remley
This document is intended to be a practical guide used by engineers and managers facilitating them to go through the process of defining the objectives of their wireless systems and examining the environments where the wireless systems are to be deployed

Fading due to static and dynamic features in a factory environment on wireless channels

April 20, 2018
Author(s)
Alexandra Curtin, David R. Novotny, Richard Candell, Galen H. Koepke, Peter B. Papazian, Jeanne T. Quimby, Catherine A. Remley
Channel sounding of dense or complex environments such as industrial or factory spaces is an important piece to the puzzle of increasing the deployment of current and next-generation wireless technologies. The deployment of machine--to-machine or vehicle

NIST Channel Sounder Overview and Channel Measurements in Manufacturing Facilities

November 8, 2017
Author(s)
Jeanne T. Quimby, Richard Candell, Catherine A. Remley, David R. Novotny, Joseph Diener, Peter B. Papazian, Alexandra Curtin, Galen H. Koepke
Manufacturers are increasingly choosing wireless platforms to replace wired ones due to their ease of installation, upgrade, and reconfigurability. Reliable and secure real-time performance of wireless platforms is technically challenging because wireless

Methods for Channel Sounder Measurement Verification

September 23, 2017
Author(s)
Kate Remley, Camillo Gentile, Alenka Zajic, Jeanne Quimby
We describe an activity of the 5G mmWave Channel Sounder Alliance to verify the hardware performance of channel sounders operating at mmWave frequencies. Such verification procedures are critical when attempting to compare data from sounders having