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NIST Authors in Bold

Displaying 551 - 575 of 639

From the Editor's Desk: Why We Are Here

October 1, 2009
Author(s)
Catherine A. Remley
This is an Editorial for the October, 2009 issue of IEEE Microwave Magazine. Kate Remley, the Editor-in-Chief, writes about timely topics for the members of the Microwave Theory and Techniques Society (MTT-S).

Electromagnetic Penetration Studies for Three Different Aircraft

August 17, 2009
Author(s)
Chriss A. Grosvenor, David R. Novotny, Dennis G. Camell, Galen H. Koepke, Robert Johnk, Nino Canales
The National Institute of Standards and Technology has completed penetration studies on three different aircraft for the Federal Aviation Administration. These studies are used to understand cavity coupling characteristics between antennas placed at

Measurements to Support Public Safety Communications: Attenuation and Variability of 750 MHz Radio Wave Signals in Four Large Building Structures: NIST Technical Note 1552

August 7, 2009
Author(s)
William F. Young, Kate Remley, John M. Ladbury, Christopher L. Holloway, Chriss A. Grosvenor, Galen H. Koepke, Sander Floris, Wouter Numan, Andrea Garuti
In this report, we investigate radio communication problems faced by emergency responders (firefighters, police, and emergency medical personnel) in disaster situations. A fundamental challenge to radio communications into and out of large buildings is the

Optimizing Authentication in Media Independent Handovers using IEEE 802.21

August 6, 2009
Author(s)
Antonio Izquierdo Manzanares, Nada T. Golmie, Richard A. Rouil
In this paper we study the performance of the authentication process in media independent handovers, and consider the impact of using IEEE 802.21 link triggers to achieve seamless mobility. We describe all interactions between the 802.21 services and the

From the Editor's Desk: Diversity in Publications

August 1, 2009
Author(s)
Catherine A. Remley
This is an Editorial for the August, 2009 issue of IEEE Microwave Magazine. Kate Remley, the Editor-in-Chief, writes about timely topics for the members of the Microwave Theory and Techniques Society (MTT-S).

Practical Applications of Nonlinear Measurements

June 12, 2009
Author(s)
Catherine A. Remley
We discuss the limitations of vector network analyzers in the measurement of nonlinear devices and circuits, including their inability to measure the relative phase between frequency components and the actual impedance in which a device is embedded. The

Backbone Construction for Heterogeneous Wireless Ad Hoc Networks

June 10, 2009
Author(s)
Yi Qian, Hui Guo, Nader Moayeri, Kejie Lu
In this paper, we propose a backbone construction scheme over heterogeneous ad hoc networks, where the network nodes have different characteristics such as communication capacity, processing power and energy resource. Most of the wireless backbone

Test Tool for Industrial Ethernet Network Performance

June 5, 2009
Author(s)
James D. Gilsinn, Freemon Johnson
The number of devices that implement Ethernet interfaces on the factory floor is growing at an exponential rate along with the adoption of industrial-grade Ethernet networks on the plant floor. In addition to the sheer number of devices using industrial

The IMS 2009 "Bonus Issue"

May 1, 2009
Author(s)
Catherine A. Remley
This is an Editorial for a special issue of IEEE Microwave Magazine devoted to the International Microwave Symposium. Kate Remley, the Editor-in-Chief, and two co-editors write about this issue.

Probabilistic Call Admission Control Algorithm for WLAN in a Heterogeneous Wireless Environment

April 30, 2009
Author(s)
Nicolas Chevrollier, David W. Griffith, Nada T. Golmie, SuKyoung Lee, Kyungsoo Kim, Hong Kunho, YoonHyuk Kim
In an integrated WLAN and cellular network, if all mobile users whose connections originate in the cellular network migrate to the WLAN whenever they enter the double coverage area, the WLAN will be severely congested and its users will suffer from

Standard Radio CommunicationTest Method for Mobile Ground Robots

March 31, 2009
Author(s)
Kate Remley, Galen H. Koepke
This paper describes a proposed standard method for conducting a performance evaluation of wireless communications links used for the control and telemetry systems on mobile ground robots. Range performance metrics are determined under open line-of-sight

Performance Metrics for IEEE 802.21 Media Independent Handover (MIH) Signaling

March 2, 2009
Author(s)
David W. Griffith, Richard A. Rouil, Nada T. Golmie
The IEEE 802.21 Media Independent Handover (MIH) working group is developing a set of mechanisms to facilitate migration of mobile users between access networks that use different link-layer technologies. Among these are mobility managers that create and

On The Security Performance of Physical-Layer Network Coding

January 5, 2009
Author(s)
Yi Qian, Kejie Lu, Shengli Fu, Tao Zhang
Physical-layer network coding (PLNC) is a novel wireless communication technology, in which multiple transmitters can send signals on the same channel to the same receiver at the same time. Our previous studies have revealed that PLNC can substantially
Displaying 551 - 575 of 639
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