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University of Virginia (13 results)
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- Images: This virtual road leads to Rome
- Imagine what Rome in 320 A.D. would look like on Google Maps. Wait no more, UCLA and the University of Virginia have rebuilt the entire city--digitally.
- Image galleries 2007-06-25
- An Advanced Wireless Sensor Network for Health Monitoring
- This paper proposes system architecture for smart healthcare based on an advanced Wireless Sensor Network WSN. It specifically targets assisted-living residents and others who may benefit from continuous, remote health monitoring. This paper presents the advantages, objectives, and status of the design. An experimental living space has been constructed at...
- White papers 2005-12-16
- SCUB: A Distributed, Utility-Based Architecture for Closed Loop Control With Wireless Sensor Networks
- This paper develops architecture for task assignment in wireless sensor networks in support of closed-loop tactical operations. The approach is based on a mathematical framework, which, based on multi-attribute utility theory, allows either end-users to easily express the value utility that they would attach to sensor information based on features...
- White papers 2006-12-13
- A Distributed, Utility-Based Architecture for Task Assignment in Tactical WSNs
- This paper develops architecture for task assignment in wireless sensor networks in support of tactical operations. The approach is based on a mathematical framework, which, based on multi-attribute utility theory, allows mobile end-users to easily express the value utility that they would attach to sensor information based on features associated...
- White papers 2007-06-26
- Efficient Coverage Algorithms for Wireless Sensor Networks
- One of the biggest disadvantages of large scale wireless sensor networks lies on the complexity of logistics involving selective replacement of sensors that have ran out of energy. Fortunately, efficient power management schemes provide some relief as they are designed to extend network's lifetime and thus reduce the need of...
- White papers 2006-04-14
- On Scheduling and Real-Time Capacity of Hexagonal Wireless Sensor Networks
- Since wireless ad-hoc networks use shared communication medium, accesses to the medium must be coordinated to avoid packet collisions. Transmission scheduling algorithms allocate time slots to the nodes of a network such that if the nodes transmit only during the allocated time slots, no collision occurs. For real-time applications, by...
- White papers 2007-04-21
- Efficiency Centric Communication Model for Wireless Sensor Networks
- Recent studies on radio reality provided strong evidence that radio links between low-power sensor devices are extremely unreliable. This paper studies how to improve energy efficiency for reliable communication using such unreliable links. The paper identifies an optimal bound on energy efficiency for reliable communication, and proposes a new communication...
- White papers 2006-01-07
- Rational Swarm Routing for Mobile Ad-Hoc Wireless Networks
- Wireless Mobile Ad-hoc NETworks MANET require dynamic routing schemes for adequate performance. This paper introduces a new dynamic routing scheme based upon stigmergy. In a similar manner to ant-colony based dynamic routing protocols, this scheme is able to respond to link quality changes after a path is established. However, load...
- White papers 2008-01-28
- Achieving Real-Time Target Tracking Using Wireless Sensor Networks
- Target tracking systems, consisting of thousands of low-cost sensor nodes, have been used in many application domains such as battlefield surveillance, wildlife monitoring and border security. These applications need to meet certain real-time constraints in response to transient events, such as fast-moving targets. While the real-time performance is a major...
- White papers 2005-12-16
- RMAC: A Reliable Multicast MAC Protocol for Wireless Ad Hoc Networks
- This paper presents a new MAC protocol called RMAC that supports reliable multicast for wireless ad hoc networks. By utilizing the busy tone mechanism to realize multicast reliability, RMAC has the following three novelties it uses a variable-length control frame to stipulate an order for the receivers to respond, such...
- White papers
- Design and Optimization of Distributed Sensing Coverage in Wireless Sensor Networks
- For many sensor network applications such as military surveillance, it is necessary to provide full sensing coverage to a security-sensitive area while at the same time minimizing energy consumption and extending system lifetime by leveraging the redundant deployment of sensor nodes. This paper proposes a surveillance service for sensor networks...
- White papers 2007-05-22
- Dynamic Security and QoS Adaptation in Real-Time Embedded Systems
- A number of Real-Time Embedded Systems RTESs are used to manage critical infrastructure such as electric grids or C4I systems. In these systems, it is essential to meet deadlines, for example, to avoid a power outage or loss of a life. The importance of security support is also in-creasing, because...
- White papers 2008-01-01
- Fair QoS-Aware Adaptive Routing and Wavelength Assignment in All-Optical Networks
- In all-optical networks with no wavelength conversion, signals must travel on the same wavelength over possibly very long distances. During transmission, the QoS of signals as measured by their Bit Error Rates is degraded not only by the propagation through fibers, but also by small optical leaks from other signals...
- White papers 2008-01-01
Additional Resources
- University of Pittsburgh Increases Security With Verizon Notification Services
- The University of Pittsburgh had already been researching solutions for improved emergency communications. In particular, they were interested in notification services that send text messaging to a constituency of students, faculty, and staff. After the Virginia Tech incident, officials narrowed their focus to emergency communications. But they needed a system...
- Case studies 2008-12-01
- Obama names IT change-agent Kundra as federal CIO
- On Thursday, U.S. President Barack Obama named Vivek Kundra as the CIO of the federal government. Kunda below is a 34 year-old IT leader with a strong reputation in the tech community. He has track record for driving efficiency and transparency, and has shown a penchant for bold actions such...
- Blog posts 2009-03-05
- Makers of white-box supercomputers hit their stride
- By ...
- Technical articles 2004-05-10
- Complete your MBA ASAP
- You want an MBA, but you don't want to go without a paycheck for two years. Or maybe you're just looking for the perfect IT hire. Either way, the University of Florida's accelerated MBA program might have just what you're looking for.When Gabriel Buddenbrock was shopping for an MBA program,...
- Technical articles 2000-02-14
- Using Microsoft eBook technology to create portable documentation
- Recently the online version of the BBC News ran an article that compared the wizards and witches of Hogwart’s with Web designers. The more that I thought about the article, the more comparisons came to mind. For example, the average person has no idea of what we do and how...
- Technical articles 2004-01-05
- Election-prediction addiction
- By Declan McCullagh ...
- Technical articles 2004-11-02
- Oracle moves to blunt Microsoft testimony
- Stay on top of the latest tech news with our free IT News Digest e-newsletter, delivered each weekday. Automatically sign up today! By ...
- Technical articles 2004-06-23
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