Browse by Author "Nahrstedt, Klara"

  • Xue, Yuan; Nguyen, Hoang; Nahrstedt, Klara (2006-10)
    In a wireless network, data transmission suffers from varied signal strengths and channel bit error rates. To ensure successful packet reception under different channel conditions, automatic bit rate control schemes are ...

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  • Xue, Yuan; Li, Baochun; Nahrstedt, Klara (2004-09)
    Cooperation in wireless ad hoc networks has two-fold implications. First, each wireless node does not excessively and greedily inject traffic to the shared wireless channel. Second, intermediate nodes voluntarily relay ...

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  • Shah, Samarth H.; Nahrstedt, Klara; Yuan, Wanghong (2005-05)
    Traditionally, the problem of minimizing energy consumption in mobile wireless devices has been addressed independently for various system components such as the CPU (via process management), network interface (via traffic ...

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  • Vu, Long; Do, Quang; Nahrstedt, Klara (2010-09-26)
    It is well known that the daily movement of people exhibits a high degree of repetition in which people usually stay at regular places for their daily activities [1]. It is also believed that people usually stay in a ...

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  • Treaster, Michael; Conner, William G.; Gupta, Indranil; Nahrstedt, Klara (2005-07)
    The widespread uses of large-scale distributed systems, e.g., Grid networks and distributed storage systems, raise the possibilities of large-scale attacks on such systems. Although current technology for detecting worms ...

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  • Jeon, Won J.; Nahrstedt, Klara (2004-12)
    Traditional data caching, such as web caching, only focuses on how to boost the hit rate of requested objects in caches, and therefore, how to reduce the initial delay for object retrieval. However, for multimedia objects, ...

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  • Huang, Ying; He, Wenbo; Nahrstedt, Klara; Lee, Whay C. (2009-12-24)
    Mobility patterns of first responders (FRs) in incident scene have distinct properties from patterns of other human groups, such as drivers on road and college students on campus. FRs are mission-oriented. They are organized, ...

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  • Kang, Kyungtae; Jeon, Won J.; Park, Kyung-Joon; Campbell, Roy H.; Nahrstedt, Klara (2009-03)
    The recent development of high-speed data transmission over wireless cellular networks has enabled the delivery of multimedia broadcasting services to mobile users. These services involve a range of interactions among ...

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  • Kyungtae, Kang; Jeon, Won J.; Park, Kyung-Joon; Campbell, Roy H.; Nahrstedt, Klara (2009-03)
    The recent development of high-speed data transmission over wireless cellular networks has enabled the delivery of multimedia broadcasting services to mobile users. These services involve a range of interactions among ...

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    application/pdfPDF (2Mb)
  • Fesehaye, Debessay; Gupta, Indranil; Nahrstedt, Klara (2008-11)
    Distributed systems have been widely deployed and used in different fields. The Internet itself with all the challenges it brings is one of the successful distributed systems. There have been a lot of research in the ...

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  • Fesehaye, Debessay; Gupta, Indranil; Nahrstedt, Klara (2008-11)
    Distributed systems have been widely deployed and used in different fields. The Internet itself with all the challenges it brings is one of the successful distributed systems. There have been a lot of research in the ...

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    application/pdfPDF (218Kb)
  • He, Wenbo; Huang, Ying; Nahrstedt, Klara; Lee, Whay C. (2007-12)
    Reliable message propagation is an important means of communication in mobile ad hoc networks (MANETs), and serves as a fundamental component for various applications, such as mobile advertising, inter-vehicle safety message ...

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  • Nguyen, Hoang; Nahrstedt, Klara (2006-07)
    The August 2003 Blackout event showed that the PowerGrid is vulnerable to the cyber attacks. The event also showed the need for automatic detection of abnormal behaviors in the PowerGrid. In this paper, we propose a solution ...

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  • Huang, Ying; He, Wenbo; Nahrstedt, Klara; Lee, Whay C. (2008-03)
    In mission-critical networks, command, alerts, and critical data are frequently broadcast over wireless networks. Broadcast traffic must be protected from malicious attacks, wherein sources are impersonated or broadcast ...

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  • Kassa, Debessay Fesehaye; Malik, Rahul; Nahrstedt, Klara (2010-07-11)
    Large scale distributed systems such as cloud computing applications are becoming very common. These applications come with increasing challenges on how to transfer and where to store and compute data. The most ...

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  • Jin, Jingwen; Nahrstedt, Klara (2005-05)
    The importance of the component service model has been widely recognized in the Internet community due to its high flexibility in creating customized applications from primitive services in a plug-and-play manner. Deployment ...

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  • Vu, Long; Do, Quang; Nahrstedt, Klara (2010-08-22)
    It is well known that the daily movement of people exhibits a high degree of repetition in which people usually stay at regular places for their daily activities. This paper presents a novel framework to construct a ...

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    application/pdfPDF (189Kb)
  • Vu, Long; Do, Quang; Nahrstedt, Klara (2010-09-09)
    It is well known that the daily movement of people exhibits a high degree of repetition in which people usually stay at regular places for their daily activities. It is also believed that people usually stay in a social ...

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    application/pdfPDF (108Kb)
  • Li, Hongyang; Dán, György; Nahrstedt, Klara (2013-07-17)
    Dynamic wireless charging is an emerging technology that allows electric vehicles (EVs) to be charged while on the move. Accurate billing for dynamic EV charging requires secure communication between the EVs and the power ...

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  • Sachs, Daniel Grobe; Yuan, Wanghong; Hughes, Christopher J.; Harris, Albert F., III; Adve, Sarita V.; Jones, Douglas L.; Kravets, Robin H.; Nahrstedt, Klara (2004-02)
    Mobile systems primarily processing multimedia data are expected to become important platforms for pervasive computing. These systems, however, must satisfy large, dynamic demands of multimedia applications subject to ...

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    application/pdfPDF (141Kb)