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Displaying 401 - 425 of 1400

A Regret Matching Strategy Framework for Inter-BAN Interference Mitigation

February 4, 2016
Author(s)
Vladimir Marbukh, Kamran Sayrafian, Martina Barbi, Mehdi Alasti
A Body Area Network (BAN) is a radio standard for wireless connectivity of wearable and implantable sensors located inside or in close proximity to the human body. Medical and some other applications impose stringent constraints on battery powered BAN

Large-Signal-Network-Analyzer Round Robin

February 1, 2016
Author(s)
Dylan F. Williams, Paul D. Hale, Catherine A. Remley, Gustavo Avolio, Dominique Schreurs, Diogo C. Ribeiro, Pawel Barmuta, Gian Piero Gibiino, Mohammad Rajabi, Arkadiusz Lewandowski, Jaros?aw Szatkowski, Kuangda Wang
This paper describes tests of the calibration-comparison method as an approach to assessing the measurement accuracy of large-signal network analyzer calibrations. We show that having one trusted reference calibration allows the calibration accuracy of the

A Simulation Study of the LTE Interference on WiFi Signal Detection

January 6, 2016
Author(s)
Yao Ma, Daniel G. Kuester, Jason B. Coder, William F. Young
To address the spectrum scarcity problem and enhance spectrum utilization efficiency, spectrum sharing and coexistence of different wireless communication systems are important ongoing research topics. Unlicensed use of the ISM band by the long-term

Spectrum Sensing with WLAN Access Points

January 5, 2016
Author(s)
Jason Coder, Ryan T. Jacobs, Vivian Musser
With wireless communication becoming more and more common in simple everyday devices, the available spectrum is quickly filling up and the risk of interference is increasing. This interference could be a slight nuisance to or it could be a more significant

Testing Spectrum Sensing Networks by UAV

January 5, 2016
Author(s)
Dan Kuester, Ryan T. Jacobs, Yao Ma, Jason Coder
We consider here the use of hovering unmanned aerial vehicles (UAVs) to test spectrum sensing capabilities of Citizen's Broadband Radio Service (CBRS) systems at 3.5 GHz. Aircraft transmit synthesized LTE or pulsed radar modulation to excite spectrum

On the Internet Connectivity in Africa

November 18, 2015
Author(s)
Assane Gueye, Peter Mell, Desire Banse, Faical Y. Congo
This study measures and documents growth of Internet connectivity in Africa from 2010 to 2014 with a focus on inter-country relationships. We evaluate both intra-continent connectivity as well as connectivity to other continents. An initial analysis

Software-defined Radio Based Measurement Platform for Wireless Networks

October 15, 2015
Author(s)
I-Chun Chao, Kang B. Lee, Rick Candell, Frederick M. Proctor, Chien-Chung Shen
There has been a dramatic push to adopting wireless networking technologies and protocols (such as 802.11, ZigBee, WirelessHART, Bluetooth, ISA100.11a, etc.) into time-critical networks. End-to-end latency is critical to many distributed applications and
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