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Search Publications by: Jeanne Quimby (Fed)

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Displaying 1 - 25 of 32

Wideband Synthetic-Aperture Millimeter-Wave Spatial-Channel Reference System With Traceable Uncertainty Framework

January 24, 2023
Author(s)
Kate Remley, Peter Vouras, Ben Jamroz, Alec Weiss, Jeanne Quimby, Dylan Williams, Rod Leonhardt, Damla Guven, Rob Jones, Joshua Kast
This paper describes a wideband synthetic-aperture system and the associated Fourier processing for generating high-resolution spatial and temporal estimates of the signal propagation environment in wireless communication channels at millimeter-wave

Telecommunication Testbed Repeatability Assessment

September 16, 2022
Author(s)
Jeanne Quimby, Jake Rezac, Mary Gregg, Michael Frey, Jason Coder, Anna Otterstetter
Telecommunication testbeds are a fundamental tool in communication research, enabling prototyping and validating new ideas. Unfortunately, these testbeds are often highly complex, costly, and challenging to operate, requiring simultaneous Open System

Welcome to SAMURAI's software!

August 29, 2022
Author(s)
Alec Weiss, Jeanne Quimby, Rod Leonhardt
This project is anticipated to generate a software package for automation of the SAMURAI platform, Working Data, Derived Data, and Published Results. Working Data will comprise raw measurement information from vector network analyzer or camera array

Finding Kinship in the Women in Radio Science (WIRS) Chapter

August 17, 2022
Author(s)
Reyhan Baktur, zoya popovic, Jeanne Quimby, Emily Porter
This paper introduces the Women in Radio Science, the newest Chapter of the US National Committee of the International Union of Radio Science. The unique challenges of minority groups in radio science community are discussed. Value and impact of

Methodology for Measuring the Frequency Dependence of Multipath Channels Across the Millimeter-Wave Bands

April 19, 2022
Author(s)
Damla Guven, Ben Jamroz, Jack Chuang, Camillo Gentile, Rob Horansky, Kate Remley, Dylan Williams, Jeanne Quimby, Rod Leonhardt
Millimeter-wave (mmWave) communications promise Gigabits-per-second data rates thanks to the availability of large swaths of bandwidth between 10–100 GHz. Although cellular operators prefer the lower portions of the bands due to the general belief that

Monte Carlo Augmented Channel Estimator

March 3, 2022
Author(s)
Alec Weiss, Atef Elsherbeni, Jeanne Quimby, Jake Rezac
We have developed a novel Monte Carlo-augmented channel estimator for millimeter-wave orthogonal frequency division multiplexing systems To better estimate and correct a transmitted orthogonal frequency division multiplexed signal by incorporating the

Welcome to SAMURAI's documentation!

January 13, 2022
Author(s)
Alec Weiss, Jeanne Quimby, Rod Leonhardt, Ben Jamroz, Peter Vouras, Kate Remley, Dylan Williams
The National Institute of Standards and Technology (NIST) Communication Technology Laboratory (CTL) developed the Synthetic Aperture Measurement with Uncertainties and Angle of Arrival (SAMURAI) millimeter-wave testbed and technique. SAMURAI utilizes a

Configuration and Control of a Millimeter-Wave Synthetic Aperture Measurement System with Uncertainties

October 25, 2021
Author(s)
Alec J. Weiss, Jeanne Quimby, Rodney Leonhardt, Benjamin Jamroz, Dylan Williams, Kate Remley, Peter Vouras, Atef Elsherbeni
This paper discusses the configuration and control of a new millimeter wave over-the-air measurement system. This system provides unparalleled measurement accuracy, flexibility, and the ability to bound uncertainties on its measurements. The system also

Verification of the Channel Estimator Evaluator

October 25, 2021
Author(s)
Jeanne Quimby, Alec Weiss, Atef Elsherbeni
Fifth-generation millimeter-wave communications rely on channel estimators to correctly predict the frequency response of the propagating channel. Millimeter-wave communication systems have non-ideal hardware performance, such as phase noise, which

Timing Offset and Timing Stability for Dual-Clock Systems

May 4, 2021
Author(s)
Joshua Kast, Jeanne Quimby, Jake Rezac, Stefania Romisch
In this work, we describe a mathematical framework for evaluating timing offset and timing noise in channel sounders, based on a second-order deterministic model, and a stochastic metric based on the Allan Deviation. Using this framework, we analyze the

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