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Articles 1 - 5 of 5
Full-Text Articles in Computer Engineering
Digital Filter Design For Jamming Mitigation In 802.15.4 Communication, Bruce Debruhl, Patrick Tague
Digital Filter Design For Jamming Mitigation In 802.15.4 Communication, Bruce Debruhl, Patrick Tague
Patrick Tague
Jamming attackers can dramatically increase attack efficiency and stealth by randomly or periodically cycling the jamming transmission on and off, attacks respectively known as random and periodic jamming. In this paper, we analyze the impact of such attacks on the IEEE 802.15.4 communication protocol, commonly used in wireless sensor networking applications, and show that the cycling behavior introduces a narrow spectral component into the received signal. We propose the inclusion of a digital filter at the receiver side to effectively eliminate this spectral component, and we discuss the benefits involved in this filter design. We evaluate the impacts of random …
Towards Secure Multi-Path Routing For Wireless Mobile Ad-Hoc Networks: A Cross-Layer Strategy (Poster), Arjun Athreya, Patrick Tague
Towards Secure Multi-Path Routing For Wireless Mobile Ad-Hoc Networks: A Cross-Layer Strategy (Poster), Arjun Athreya, Patrick Tague
Patrick Tague
Multi-path routing establishes multiple paths between a source and destination node in a network. This helps in achieving reliability in mobile ad-hoc networks (MANETs). To achieve efficient, secure and reliable multi-path routing for MANETs, we propose a routing mechanism that uses crosslayer strategies. The cross-layer strategy involves incorporating feedback and information from layers below the network layer to make decisions at the network layer. We also propose a path evaluation mechanism for the paths returned by the proposed multi-path routing mechanism.
Raising The Profile Of Iu Scholarship: Institutional Repositories (And More) At Iu, Cheryl Truesdell, Kimberly Thompson, Sherri Michaels
Raising The Profile Of Iu Scholarship: Institutional Repositories (And More) At Iu, Cheryl Truesdell, Kimberly Thompson, Sherri Michaels
Cheryl B. Truesdell
No abstract provided.
Jamming-Aware Traffic Allocation For Multiple-Path Routing Using Portfolio Selection, Patrick Tague, Sidharth Nabar, James Ritcey, Radha Poovendran
Jamming-Aware Traffic Allocation For Multiple-Path Routing Using Portfolio Selection, Patrick Tague, Sidharth Nabar, James Ritcey, Radha Poovendran
Patrick Tague
Multiple-path source routing protocols allow a data source node to distribute the total traffic among available paths. In this article, we consider the problem of jamming-aware source routing in which the source node performs traffic allocation based on empirical jamming statistics at individual network nodes. We formulate this traffic allocation as a lossy network flow optimization problem using portfolio selection theory from financial statistics. We show that in multi-source networks, this centralized optimization problem can be solved using a distributed algorithm based on decomposition in network utility maximization (NUM). We demonstrate the network’s ability to estimate the impact of jamming …
Activity-Aware Mental Stress Detection Using Physiological Sensors, Feng-Tso Sun, Cynthia Kuo, Heng-Tze Cheng, Senaka Buthpitiya, Patricia Collins, Martin Griss
Activity-Aware Mental Stress Detection Using Physiological Sensors, Feng-Tso Sun, Cynthia Kuo, Heng-Tze Cheng, Senaka Buthpitiya, Patricia Collins, Martin Griss
Martin L Griss
"Continuous stress monitoring may help users better understand their stress patterns and provide physicians with more reliable data for interventions. Previously, studies on mental stress detection were limited to a laboratory environment where participants generally rested in a sedentary position. However, it is impractical to exclude the effects of physical activity while developing a pervasive stress monitoring application for everyday use. The physiological responses caused by mental stress can be masked by variations due to physical activity. We present an activity-aware mental stress detection scheme. Electrocardiogram (ECG), galvanic skin response (GSR), and accelerometer data were gathered from 20 participants across …