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Full-Text Articles in Computer Engineering

Detailed Low-Cost Energy And Power Monitoring Of Computing Systems, Chad M. Paradis Aug 2015

Detailed Low-Cost Energy And Power Monitoring Of Computing Systems, Chad M. Paradis

Electronic Theses and Dissertations

Power and energy are increasingly important metrics in modern computing systems. Large supercomputers utilize millions of cores and can consume as much power as a small town; monitoring and reducing power consumption is an important task. At the other extreme, power usage of embedded and mobile devices is also critically important. Battery life is a key concern in such devices; having detailed power measurement allows optimizing these devices for power as well. Current systems are not set up to allow easy power measurement. There has been much work in this area, but obtaining power readings is often expensive, intrusive, and …


Challenges Of Implementing Automatic Dependent Surveillance Broadcast In The Nextgen Air Traffic Management System, Carl J. Giannatto Jr. May 2015

Challenges Of Implementing Automatic Dependent Surveillance Broadcast In The Nextgen Air Traffic Management System, Carl J. Giannatto Jr.

Electronic Theses and Dissertations

The Federal Aviation Administration is in the process of replacing the current Air Traffic Management (ATM) system with a new system known as NextGen. Automatic Dependent Surveillance-Broadcast (ADS-B) is the aircraft surveillance protocol currently being introduced as a part of the NextGen system deployment. The evolution of ADS-B spans more than two decades, with development focused primarily on increasing the capacity of the Air Traffic Control (ATC) system and reducing operational costs. Security of the ADS-B communications network has not been a high priority, and the inherent lack of security measures in the ADS-B protocol has come under increasing scrutiny …