Browse by Author "Nahrstedt, Klara"

  • Li, Hongyang; D��n, Gy��rgy; 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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  • Pongthawornkamol, Thadpong; Nahrstedt, Klara; Wang, Guijun (2009-06-06)
    Broadcast is a crucial yet expensive building block for many applications in bandwidth-scarce mobile wireless ad hoc networks. We propose a hybrid deterministic/probabilistic, decentralized broadcast protocol with adjustable ...

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  • Wang, Qiyan; Vu, Long; Nahrstedt, Klara; Khurana, Himanshu (2009-12-01)

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  • Nguyen, Hoang; Rivas, Raoul; Nahrstedt, Klara (2008-04)
    Critical Infrastructures (CIs) such as the Power Grid play an important role in our lives. Of all important aspects of CIs, real-time data delivery is the most important one because appropriate decisions cannot be made ...

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  • He, Wenbo; Nguyen, Hoang; Liu, Xue; Nahrstedt, Klara; Abdelzaher, Tarek F. (2007-12)
    Data aggregation is an efficient mechanism widely used in wireless sensor networks (WSN) to collect statistics about data of interests. However, the shared-medium nature of communication makes the WSNs are vulnerable to ...

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  • Yu, Bin; Nahrstedt, Klara (2004-05)
    Traditional TV production systems monitor multiple perspectives of human activities and interests, but hide the source streams by providing all viewers with the same final video program. This approach leaves huge amount ...

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  • Vu, Long; Rimac, Ivica; Hilt, Volker; Hofmann, Markus; Nahrstedt, Klara (2009-03)
    This paper presents an Incentive-based Sharing (iShare) protocol that blends cellular and ad hoc networks for content dissemination services. With iShare, mobile users download content from a source via cellular links and ...

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  • Vu, Long; Rimac, Ivica; Hilt, Volker; Hofmann, Markus; Nahrstedt, Klara (2009-03)
    This paper presents an Incentive-based Sharing (iShare) protocol that blends cellular and ad hoc networks for content dissemination services. With iShare, mobile users download content from a source via cellular links and ...

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  • Vu, Long; Nahrstedt, Klara; Retika, Samuel; Gupta, Indranil (2010-05-09)
    Collecting the real human movement has drawn significant attention from research community since a better understanding of human movement could provide new insights in network protocol design and network management for ...

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  • Vu, Long; Gupta, Indranil; Liang, Jin; Nahrstedt, Klara (2006-08)
    While several deployed p2p file sharing overlays have been characterized in the literature, this paper shows that some of their conclusions may be false for p2p applications that stream media instead. Specifically, we ...

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  • Chen, Kai; Yang, Zhenyu; Wagener, Christian; Nahrstedt, Klara (2005-01)
    Multihop wireless hotspot network has been recently proposed to extend the coverage area of a base station. However, with selfish nodes in the network, multihop packet forwarding cannot take place without an incentive ...

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  • Xiao, Li; Nahrstedt, Klara (2005-07)
    Service Composition is a promising technology for providing on-demand composed services in dynamic and loosely coupled peer-to-peer (P2P) networks. Because of system dynamics, such as the peer leaving from the system, end ...

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  • Rachwalski, Andrew; Sridhar, Anjali; Nahrstedt, Klara (2013-04-16)
    We are seeing widespread use of 802.11 WiFi enabled mobile devices for a variety of different purposes. Educators have the opportunity to leverage the capabilities of these devices through the use of specialized educational ...

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  • He, Wenbo; Huang, Ying; Nahrstedt, Klara; Lee, Whay C. (2007-03)
    Intrusion/misbehavior detection and response are two important components for defending against various attacks in mobile ad hoc networks. Unfortunately, there is a gap between local intrusion/misbehavior detection and ...

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  • Nahrstedt, Klara; Campbell, Roy H.; Gupta, Indranil; Karahalios, Karrie G.; Kravets, Robin H.; Kamin, Sam; Sanders, William H. (Information Trust Institute, University of Illinois at Urbana-Champaign, 2010-11-15)
    Advances in wireless technologies have allowed users to communicate ubiquitously anywhere and anytime and made it possible for users to access and exchange information through wireless hand-held devices such as cell-phones, ...

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  • Liang, Jin; Gu, Xiaohui; Nahrstedt, Klara (2006-02)
    In this paper, we present a model-driven distributed information management system called MDIM that can resolve multi-attribute range queries about large-scale networked systems. Different from previous work, MDIM can ...

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  • Liang, Jin; Ko, Steven Y.; Gupta, Indranil; Nahrstedt, Klara (2005-04)
    While large-scale distributed clusters such as PlanetLab and TeraGrid are being increasingly used to run complex appli- cations, there is a paucity of software that provides sim- ple management functions to developers and ...

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  • Fesehaye, Debessay; Xia, Pengye; P. Brighten Godfrey; Nahrstedt, Klara; Lumetta, Steven S. (2012-03-24)
    The transmission control protocol (TCP) is the major trans- port layer protocol in the Internet today. TCP and its vari- ants have the drawback of not knowing the explicit rate share of flows at bottleneck links. The ...

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  • Kassa, Debessay Fesehaye; Nahrstedt, Klara; Caesar, Matthew (2010-07-11)
    The transmission control protocol (TCP) which is the dominant congestion control protocol at the transport layer is proved to have many performance problems with the growth of the Internet. TCP for instance results in ...

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