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Search Publications by: Kate Remley (Assoc)

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Displaying 26 - 50 of 437

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

Temporal Exemplar Channels in High-Multipath Environments

May 24, 2021
Author(s)
Mohamed Hany, Peter Vouras, Rob Jones, Rick Candell, Kate Remley
Industrial wireless plays a crucial role in cyber-physical system (CPS) advances for the future vision of smart manufacturing. However, industrial wireless environments are different from each other and are different from home and office environments

A Preliminary Study on Uncertainty of NB-IoT Measurements in Reverberation Chambers

March 28, 2021
Author(s)
Anouk Hubrechsen, Vincent T. Neylon, Kate Remley, Rob Jones, Rob Horansky, Laurens A. Bronckers
New protocols related to internet-of-things applications may introduce previously unnoticed measurement effects due to the narrowband nature of these protocols. Such technologies also require less loading to meet the coherence bandwidth conditions, which

NB-IoT Devices in Reverberation Chambers: A Comprehensive Uncertainty Analysis

February 17, 2021
Author(s)
Catherine Remley, Anouk Hubrechsen, Robert Jones, Robert Horansky, Vincent Neylon, Laurens A. Bronckers
New protocols related to internet-of-things applications may introduce previously unnoticed measurement effects in reverberation chambers due to the narrowband nature of these protocols. Such technologies also require less loading to meet the coherence

Over-the-Air Testing of Cellular Large-Form-Factor Internet-of-Things Devices in Reverberation Chambers

August 4, 2020
Author(s)
Catherine A. Remley, Clive Bax, Edwin Mendivil, Michael Foegelle, John Kvarnstrand, Derek Skousen, David S?nchez-Hern?ndez, Miguel Garcia-Fernandez, Lorien Chang, Elvis Yen, Johnny Gutierrez, Justin Harbour
We demonstrate the applicability of the reverberation chamber for over-the-air testing of power- based metrics for cellular-enabled wireless internet-of-things devices. A recent industry- sponsored round robin illustrates agreement between labs to within

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

Precision Millimeter-Wave Modulated Wideband Source for Over-The-Air Reference at 92.4 GHz

April 22, 2020
Author(s)
Paritosh Manurkar, Robert D. Horansky, Benjamin F. Jamroz, Jeffrey A. Jargon, Dylan F. Williams, Catherine A. Remley
As the next generation communications technology continues to evolve to utilize millimeter-wave frequencies, calibration methods are needed for the nonidealities related to these frequencies in communications electronics. In this work, we demonstrate a 1
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