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Browsing Electrical and Computer Engineering Faculty Research and Publications by Title

Browsing Electrical and Computer Engineering Faculty Research and Publications by Title

Now showing items 15-30 of 30

Impact of distributed generations with energy storage devices on the electric grid

Srivastava, Anurag K.; Kumar, Aarthi A.; Schulz, Noel N. (2012)

The commonly used Distributed Generations (DG) technologies include wind generators, photovoltaics, and biomass generators with their sizes varying between several kW to a few MW. Energy storage devices are generally used ...
Impact of preventive responses to epidemics in rural regions

Schumm, Phillip; Schumm, Walter R.; Scoglio, Caterina M. (2013)

Various epidemics have arisen in rural locations through human-animal interaction, such as the H1N1 outbreak of 2009. Through collaboration with local government officials, we have surveyed a rural county and its communities ...
Introduction of carrier interference to spread spectrum multiple access

Nassar, C.R.; Natarajan, B.; Shattil, S. (Institute of Electrical and Electronics Engineers, 2009)

This paper introduces a new scheme for spread spectrum multiple access. Like MC-CDMA, this scheme accomplishes spectral spreading by transmission of identical data over N carriers simultaneously. However, unlike any existing ...
Modeling and Forecasting Secondary User Activity Considering Bulk Arrival and Bulk Departure Traffic Model

Akter, L; Natarajan, B (Institute of Electrical and Electronics Engineers, 2009)

In this paper, we consider an Erlangian process model for secondary user (SU) traffic in a cognitive radio network (CRN). Unlike prior efforts that focused on Poisson traffic models, the model captures bulk arrival and ...
Modeling fairness in resource allocation for secondary users in a competitive cognitive radio network

Akter, Lutfa; Natarajan, Balasubramaniam (IEEE, 2010)

We consider a multi-channel cognitive radio network (CRN) where multiple secondary users share a single channel and multiple channels are simultaneously used by a single secondary user (SU) to satisfy their rate requirements. ...
A network-based meta-population approach to model Rift Valley fever epidemics

Xue, Ling; Scott, H. M.; Cohnstaedt, Lee W.; Scoglio, Caterina (2012)

Rift Valley fever virus (RVFV) has been expanding its geographical distribution with important implications for both human and animal health. The emergence of Rift Valley fever (RVF) in the Middle East, and its continuing ...
On the existence of a threshold for preventive behavioral responses to suppress epidemic spreading

Sahneh, Faryad Darabi; Chowdhury, Fahmida N.; Scoglio, Caterina M. (2012)

The spontaneous behavioral responses of individuals to the progress of an epidemic are recognized to have a significant impact on how the infection spreads. One observation is that, even if the infection strength is larger ...
Optimal control of voltage and power in a multi zonal MVDC shipboard power system

Kankanala, Padmavathy; Srivastava, Suresh C.; Srivastava, Anurag K.; Schulz, Noel N. (2012)

The Multi-Zonal Medium Voltage DC (MVDC) Shipboard Power System (SPS) architecture, proposed by the U.S Navy for their future combatant system, consists of several Voltage Source Converters (VSCs). The proposed architecture ...
Performance Analysis of Asynchronous Carrier InterferometryMC-CDMA Uplink with Interference Cancellation Techniques

Thippavajjula, V.; Natarajan, B. (Institute of Electrical and Electronics Engineers, 2005)

In this paper, we analyze the uplink performance of an asynchronous carrier interferometry/MC-CDMA, with nonlinear parallel and serial interference cancellation techniques. Specifically, we employ the new variant of parallel ...
Performance of Parallel Decentralized Sensor Network with Decision Feedback

Kopparthi, S.; Natarajan, B. (Institute of Electrical and Electronics Engineers, 2007)

In most previous studies, distributed sensor networks are typically assumed to be memory less. In this paper, we consider a distributed sensor network with feedback at both the sensor level as well as at the fusion center. ...
Recruitment and Retention of International Graduate Students in US Universities

Srivastava, Soumya K.; Srivastava, Anurag K.; Minerick, Adrienne R.; Schulz, Noel N. (2010)

International students account for 3.5% of graduate students in the US with 17% enrolled in engineering programs in 2008. Recruiting and retention of International Graduate Students (IGS) is an essential and important ...
Throughput Enhancement in TDMA through Carrier Interferometry Pulse Shaping

Natarajan, B.; Nassar, C.R.; Shattil, S. (Institute of Electrical and Electronics Engineers, 2000)

This paper introduces a novel TDMA scheme that provides enhanced throughput by employing carrier interferometry pulse shapes (CI pulse shapes). At the transmitter, CI pulse shapes are created from the superposition of N ...
Topological analysis of the power grid and mitigation strategies against cascading failures

Pahwa, S.; Hodges, A.; Scoglio, C.; Wood, S. (Institute of Electrical and Electronics Engineers, 2010)

This paper presents a complex systems overview of a power grid network. In recent years, concerns about the robustness of the power grid have grown because of several cascading outages in different parts of the world. ...
Two-phase multi-objective evolutionary approaches for optimal generation scheduling with environmental considerations

Li, Dapeng; Das, Sanjoy; Pahwa, Anil (Institute of Electrical and Electronics Engineers, 2009)

This paper presents novel two-phase multi-objective evolutionary approaches for solving the optimal generation scheduling problem with environmental considerations. Two different multi-objective evolutionary algorithms ...
Two-Stage Approach for Detection and Reduction of Motion Artifacts in Photoplethysmographic Data

Krishnan, Rajet; Natarajan, Balasubramaniam; Steve, Warren (2010)

Corruption of photopleythysmograms (PPGs) by motion artifacts has been a serious obstacle to the reliable use of pulse oximeters for real-time, continuous state-of-health monitoring. In this paper, we propose an automated, ...
A wireless reflectance pulse oximeter with digital baseline control for unfiltered photoplethysmograms

Li, Kejia; Warren, Steve (2012)

Pulse oximeters are central to the move toward wearable health monitoring devices and medical electronics either hosted by, e.g., smart phones or physically embedded in their design. This paper presents a small, low-cost ...

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