university of maryland Resources on ZDNet

ZDNet Resources

Tiger Woods losing big tourney? No, but Colorado trails in solar decathlon: It's the end of Tuesday and the lead has shifted in the third Solar Decathlon in Washington D.C. The champ in the first two decathlons in 2002 and 2005 was the University of Colorado. To keep their title, they have a long, hard climb from eighth...; Tags: University Of Maryland, Corporate Communications, Web Site Development, Web Technology, Marketing, Internet, Harry Fuller; Blog posts 2007-10-16
Layout-Accurate Design and Implementation of a High-Throughput Interconnection Network for Single-Chip Parallel Processing: A Mesh of Trees MoT on-chip interconnection network has been proposed recently to provide high throughput between memory units and processors for single-chip parallel processing. This paper reports the findings in bringing this concept to silicon. Specifically, it conducts cycle-accurate verilog simulations to verify the analytical results. The paper synthesizes...; Tags: University Of Maryland, Network, Arbitration, Interconnection Network, Networking; White papers 2007-06-07
Envisioning 911's version 2.0: Writing in this weeks Science, two researchers at the University of Maryland argue that 911 services would benefit from a social networking treatment, Technology Review notes. Although dialing 911 is effective during health emergencies and home fires, when natural disasters like Hurricane Katrina strike, telephone operators are rapidly...; Tags: Emergency, Government technology, State &, Local Govt; Blog posts 2007-02-19
Coalition Formation in MANETs: Wireless ad-hoc networks rely on the cooperation of participating nodes for almost all their functions. However, due to resource constraints, nodes are generally selfish and try to maximize their own benefit when participating in the network. Therefore, it is important to study mechanisms which can be used as incentives to...; Tags: University Of Maryland, Theory, Coalition Formation; White papers 2006-09-27
Mesh-of-Trees and Alternative Interconnection Networks for Single-Chip Parallel Processing: Many applications have stimulated the recent surge of interest single-chip parallel processing. In such machines, it is crucial to implement a high-throughput low-latency interconnection network to connect the on-chip components, especially the processing units and the memory units. This paper proposes a new Mesh of Trees MoT implementation of the...; Tags: University Of Maryland, Network, Interconnection Network, Networking; White papers 2006-08-11

Blue crab nanosensor to fight terrorism: A substance found in crab shells called chitosan has very useful properties. For example, it has been used in bandages to stop bleeding. But now, researchers at the University of Maryland have used the chitosan from blue crabs living in Chesapeake Bay as a component of a nanoscale sensor system...; Tags: University of Maryland, substance; Blog posts 2006-07-30
Location-Clustering Techniques for WLAN Location Determination Systems: This paper presents location clustering as a technique to significantly reduce the computational requirements of WLAN location determination systems. The paper provides two algorithms, namely, Joint Clustering and Incremental Triangulation, and describes their tradeoffs between computational cost and location determination accuracy. Both techniques reduce computational cost by more than an...; Tags: Technique, University Of Maryland, WLAN, Productivity, Wireless LANs, LANs, Wi-Fi, Wireless, Networking; White papers 2006-04-13
The Horus WLAN Location Determination System: This paper presents the design and implementation of the Horus WLAN location determination system. The design of the Horus system aims at satisfying two goals: high accuracy and low computational requirements. The Horus system identifies different causes for the wireless channel variations and addresses them to achieve its high accuracy....; Tags: Algorithm, University Of Maryland, Horus System, Engineering; White papers 2006-04-13
A Client-Driven Approach for Channel Management in Wireless LANs: This paper proposes an efficient client-based approach for channel management channel assignment and load balancing in 802.11-based WLANs that lead to better usage of the wireless spectrum. This approach is based on a "Conflict set coloring" formulation that jointly performs load balancing along with channel assignment. Such a formulation has...; Tags: University Of Maryland, Formulation, Load Balancing, WLAN, Pricing, Wireless LANs, Channel Management, LANs, Sales Channel, Wi-Fi, Wireless, Network Technology, Marketing, Networking, Sales; White papers 2006-01-18
Finding Traffic Information With Mobile P2P Networks: This paper details a simulation of automobile traffic monitoring using mobile peer-to-peer networks. There is a great market need to be able to monitor traffic in real time. The goal of the project discussed is to create a system that could be implemented with currently available technology. Specifically the system...; Tags: Algorithm, University Of Maryland, Mobile, Network, P2P, Wireless Networking, Peer To Peer (P2P), Engineering, Wi-Fi, Wireless, Internet; White papers 2006-01-04
XPod - A Human Activity and Emotion Aware Mobile Music Player: This paper considers the notion of collecting human emotion and activity information from the user, and explores how this information could be used to improve the user experience with mobile music players. Although the device chosen is a mobile MP3 player, the results could also have significant implications in the...; Tags: Aware, University Of Maryland, Mobile, Music Player, Emotion, Advertising & Promotion, Media Players, Digital Music, Digital Media, Marketing, Consumer Electronics, Personal Technology; White papers 2005-08-11
Towards Scalable MAC Design for High-Speed Wireless LANs: The growing popularity of wireless LANs has spurred rapid evolution in physical-layer technologies and wide deployment in diverse environments. The ability of protocols in wireless data networks to cater to a large number of users, equipped with high-speed wireless devices, becomes ever critical. This paper proposes a Token-coordinated random access...; Tags: University Of Maryland, MAC, TMAC, Wi-Fi, Wireless; White papers 2005-07-06
The IT Revolution: Applications and Strategies for Transgeographic Learning and Academia in the Twenty-First Century: Digital technologies are closing spatial and temporal gaps while engendering expansive new international communities. Replete with symbolic interactions, these transgeographic communities inspire new realms of educational possibility, allowing educators and learners to broaden perspectives through intellectual discourse and collaboration while eradicating cultural divides. The Summer Ecosystems Experience for Undergraduates (SEE-U)...; Tags: University Of Maryland, Information Technology, GIS, GPS, Strategy, Handhelds, Software, Consumer Electronics, Personal Technology, Management, Hardware; White papers 2005-06-17
Maximum Throughput Scheduling in Time-Varying-Topology Wireless Ad-Hoc Networks: In wireless ad-hoc networks, signal interference and collisions from simultaneous transmissions by neighboring nodes significantly degrade throughput. Hence, when throughput is of the essence, it is necessary to devise scheduling policies for coordinating the wireless transmissions. This paper focuses on the problem of scheduling the transmissions of a finite number...; Tags: University Of Maryland, Throughput, Network, Wi-Fi, Wireless; White papers 2005-03-18
Optical Network Design With Optical Constraints in IP/WDM Network: This paper considers algorithms for the logical topology design and traffic grooming problem in WDM networks with router interface constraints as well as optical constraints. The optical constraints include restricted transmission range due to optical impairments as well as limits on the number of available wavelengths. It formulates this problem...; Tags: University Of Maryland, Optical Network, Constraint, Network, IP, WDM, Research & Development, Optical Networking, Engineering, Networking, Business Operations; White papers 2005-03-02
Power Control With Cooperative Diversity Over Multiuser OFDM Networks: Who Helps Whom and How to Cooperate: This paper proposes the cooperative resource allocation over multiuser OFDM networks, by exploring the broadcast nature of the wireless channel and the consequently possible cooperation among users to improve the system performance. The paper targets to answer two resource allocation questions in cooperative communications: "who helps whom" and "how to...; Tags: University Of Maryland, Resource Allocation, OFDM, Wi-Fi, Wireless; White papers 2005-02-20
Joint Uplink and Downlink Optimization for Video Conferencing Over Wireless LAN: Wireless Local Area Network WLAN has become ubiquitous owing to the great demands of pervasive mobile applications. It has been shown that a cross-layer design can improve the overall performance for a wireless communication system. Recently, joint multiuser video source coding and communication has drawn attention since it can leverage...; Tags: University Of Maryland, Optimization, Video Conferencing, WLAN, Video, LANs, Corporate Communications, Wireless LANs, Wi-Fi, Wireless, Networking, Marketing; White papers 2005-01-12
An Examination of Security Algorithm Flaws in Wireless Networks: In the past decade, wireless networks have exploded into both corporate and home settings, mainly because people enjoy the ease and convenience WLANs afford them. However, as with all new and unrefined technologies, unexpected problem have surfaced. The most outstanding problem with current WLANs is the security vulnerabilities that exist....; Tags: Algorithm, IEEE 802.11, University Of Maryland, WEP, Network, WLAN, Wireless Network, Flaw, Wireless LANs, Wi-Fi, LANs, Wireless, Security, Networking; White papers 2004-10-20
On Homeland Security and the Semantic Web: A Provenance and Trust Aware Inference Framework: The advent of the Semantic Web will make vast amount of machine understandable information available on the Web. A promising application domain for the Semantic Web is homeland security, in which suspicious activities or associations among individuals and events must be recognized in millions of everyday reports from thousands of...; Tags: Aware, University Of Maryland, Semantic Web, Homeland Security, Internet, Government; White papers 2004-10-15
Managing RFID Data: Radio-Frequency IDentification RFID technology enables sensors to efficiently and inexpensively track merchandise and other objects. The vast amount of data resulting from the proliferation of RFID readers and tags poses some interesting challenges for data management. This paper presents a brief introduction to RFID technology and highlights a few of...; Tags: University Of Maryland, RFID, Data Management, Wireless, Security, Biometrics; White papers 2004-07-15