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Search Publications by: Jeffrey R. Guerrieri (Fed)

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Displaying 26 - 50 of 69

ROBOTICALLY CONTROLLED MM-WAVE NEAR-FIELD PATTERN RANGE

October 21, 2012
Author(s)
Josh Gordon, David R. Novotny, Jeffrey R. Guerrieri, Jason Coder, Michael Francis
The Antenna Metrology Lab at the National Institute of Standards and Technology in Boulder Colorado has developed a robotically controlled near-field pattern range for measuring antennas and quasi-optical components from 50 GHz to 500 GHz. This range is

A Reference Modulated Scatterer for ISO18000-6 UHF Tag Testing

November 15, 2012
Author(s)
David R. Novotny, Daniel G. Kuester, Jeffrey R. Guerrieri
We present a method for measuring Ultra-High Frequency Radio-Frequency Identification (UHF RFID) tag differential RCS that has the potential for being easier and more accurate than current and proposed methods [1-2]. This method is based on accurately

Baseband Voltage and Power in Load-Modulated Digital Backscatter

November 15, 2012
Author(s)
Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri, Zoya Popovic
Passive digital backscatter signals in systems like radio frequency identification (RFID) are usually received along with strong interference from a leaked carrier. The simplest way to quantify the “useful” communication signal is to separate an amplitude

An Improved Antenna Gain Extrapolation Measurement

November 1, 2012
Author(s)
Jason B. Coder, David R. Novotny, Jeffrey R. Guerrieri, Michael H. Francis, Brian C. Stillwell
An improved antenna gain extrapolation measurement is proposed. The improved method consists of a vector network analyzer, a pair of RF optical links, and a pair of waveguide mixers. We present a detailed description of the new extrapolation measurement

A SMALL-SAMPLE, BI-DIRECTIONAL SCATTERING MEASUREMENT SYSTEM FROM 200-500 GHz

October 26, 2012
Author(s)
David R. Novotny, Josh Gordon, Edwin J. Heilweil, Brian C. Stillwell, Jeffrey R. Guerrieri, Erich N. Grossman, Shu Z. Lo
Beginning the fall of 2012, NIST will be providing scattering measurements for other government agencies. We present performance results of a bi-directional scattering measurement system in the 200-500 GHz range. The goal is to provide dense-spectrum, bi

An Improved Antenna Gain Extrapolation Measurement

October 20, 2012
Author(s)
Jason Coder, David R. Novotny, Jeffrey R. Guerrieri, Michael H. Francis, Brian C. Stillwell
An improved antenna gain extrapolation measurement is proposed. The improved method consists of a vector network analyzer, a pair of RF optical links, and a pair of waveguide mixers. We present a detailed description of the new extrapolation measurement

Simple Test and Modeling of RFID Tag Backscatter

July 1, 2012
Author(s)
Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri, Aniwar Ibrahim, Zoya Popovic
We consider here worst-case analysis of backscatter from passive radio frequency identification (RFID) tags. The basis is a figure of merit "B" to relate link power at reader ports to tag circuit parameters. A minimum bound for received monostatic

Testing Passive UHF Tag Performance Evolution

September 15, 2011
Author(s)
Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri, Zoya Popovic
Trends in tag development since the introduction of the ISO 18000-6C and EPC Global standards are investigated empirically with measurements of power harvesting and backscattering performance from 20 samples of passive tags across 860-960MHz. The

Interference Tests for 900 MHz Frequency-Hopping Public-Safety Wireless Devices

August 15, 2011
Author(s)
Catherine A. Remley, Michael R. Souryal, William F. Young, Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri
We discuss free-field measurement methods designed to quantify interference between wireless devices such as RF identification systems and RF-based emergency beacons used by fire fighters. For public safety applications, standardized testing is important

An Electromagnetic Evaluation of the NASA Space Power Facility at Plum Brook Station

July 1, 2011
Author(s)
Galen H. Koepke, John M. Ladbury, Dennis G. Camell, Jason B. Coder, Chriss A. Grosvenor, Randy Direen, Jeffrey R. Guerrieri
We describe in this report (Technical Note) an extensive electromagnetic evaluation of a unique test facility designed and built by the National Aeronautics and Space Administration (NASA). The Space Power Facility is presumed to be the world’s largest

Reference Modulation for Calibrated Measurements of Tag Backscatter

April 14, 2011
Author(s)
Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri, Randy Direen, Zoya Popovic
We present a model and reference backscatter device for calibrating measurements of 860-960 MHz Ultra-High Fre- quency (UHF) tag backscattering. The model relates transmission to and backscattering from the device with a modulation depth calculable from

Reference Modulation for Calibrated Measurements of Tag Backscatter

April 12, 2011
Author(s)
Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri, Randy Direen, Zoya Popovic
This paper presents an active antenna designed to modulate the scattering of an interrogating wave in the 860-960 MHz UHF RFID band. The device can be characterized with straightforward S- parameter measurements, and can then be used for characterization

Link Relationship Measurements in Load-Modulated UHF RFID

October 10, 2010
Author(s)
Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri
This paper investigates the relative roles of the forward and reverse links in determining the operational range of passive UHF RFID systems. The relative importance the links are discussed first in the free field as a first-order model. We then present

Electromagnetic Emissions and Performance for Proximity RFID

March 23, 2009
Author(s)
Jeffrey R. Guerrieri, David R. Novotny, Michael H. Francis, Catherine A. Remley
We examined the electromagnetic emissions, and performance of commercial High-Frequency (HF) proximity Radio Frequency Identification (RFID) systems including their susceptibility to jamming and eavesdropping. These proximity RFID systems are used in an

HF Proximity RFID Electromagnetic Emissions and Performance

November 16, 2008
Author(s)
Jeffrey R. Guerrieri, David R. Novotny, Catherine A. Remley, Michael H. Francis
We examined the emissions, and performance of commercial High-Frequency Radio Frequency Identification (HF RFID) systems to interrupt and eavesdropping. These proximity RFID systems are used in an increasing number of financial, identification, and access

HF RFID Electromagnetic Emissions and Performance

November 4, 2008
Author(s)
David R. Novotny, Jeffrey R. Guerrieri, Michael H. Francis, Catherine A. Remley
We examined the emissions, and susceptibility of commercial High-Frequency Radio Frequency Identification (HF proximity RFID) systems to interrupt and eavesdropping. RFID systems are being used in an increasing number of financial, identification, and

RFID Devices and Systems in Homeland Security Applications

July 1, 2007
Author(s)
Kate Remley, Jeffrey R. Guerrieri, Dylan Williams, David R. Novotny, Anthony B. Kos, Nelson Bryner, Nader Moayeri, Michael Souryal, Kang Lee, Steven Fick
This article reports on activities being carried out by the National Institute of Standards and Technology to ensure secure, reliable use of Radio-Frequency Identification (RFID) technology in homeland security and public safety applications. These

RFID-Assisted Indoor Localization and Communication for First Responders

October 1, 2006
Author(s)
Jeffrey R. Guerrieri, Michael H. Francis, Perry F. Wilson, Leonard E. Miller, Nelson Bryner, David Stroup, Luke Klien-Berndt
An indoor localization and communication project is described that proposes to use RFID (radio-frequency identification) tags, placed in the building beforehand, as navigation waypoints for an inertial navigation system carried by a first responder. RFID

Three-Antenna Extrapolation Gain Measurement System at Millimeter Wave Frequencies

October 1, 2006
Author(s)
Katherine MacReynolds, Jeffrey R. Guerrieri, Michael H. Francis, Douglas T. Tamura
This paper describes the new tabletop millimeter wave extrapolation range which will provide on-axis gain services up to 110GHz. A discussion of the extrapolation measurement method [1], as presented at the Antenna Measurements Techniques Association (AMTA