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Computer Communications and Networks, 2009. ICCCN 2009. Proceedings of 18th Internatonal Conference on

Date 3-6 Aug. 2009

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  • ICCCN 2009 - Title page

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  • ICCCN 2009 [Copyright notice]

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  • ICCCN 2009 Message from General Chairs

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  • ICCCN 2009 Message from the Technical Program Chairs

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  • ICCCN 2009 Conference Organizing Committee

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  • ICCCN 2009 Technical Program Track Chairs

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  • ICCCN 2009 Technical Program Committee

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  • ICCCN 2009 List of External Reviewers

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  • ICCCN 2009 Program at a Glance

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  • ICCCN 2009 Conference Program

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  • ICCCN 2009 Workshops Program

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  • ICCCN 2009 Keynote Speakers

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    Provides an abstract for each of the keynote presentations and a brief professional biography of each presenter. The complete presentations were not made available for publication as part of the conference proceedings. View full abstract»

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  • ICCCN 2009 Distinguished Invited Speakers

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    Provides an abstract for each of the invited presentations and a brief professional biography of each presenter. The complete presentations were not made available for publication as part of the conference proceedings. View full abstract»

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  • ICCCN 2009 Workshop Invited Speakers

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    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (131 KB)  

    Provides an abstract for each of the invited presentations and a brief professional biography of each presenter. The complete presentations were not made available for publication as part of the conference proceedings. View full abstract»

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  • ICCCN 2009 Sponsors

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  • ICCCN 2009 Message from the Workshop Chairs

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  • ICCCN 2009 Message from the PMECT 09 Co-chairs

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  • ICCCN 2009 Message from the SN 09 Chairs

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  • ICCCN 2009 Message from the MCC 09 Chairs

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  • ICCCN 2009 Message from the COGCOM 09 Chairs

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  • ICCCN 2009 Message from the GridPeer 09 Chairs

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  • ICCCN 2009 Message from the NanoCom 09 Chairs

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  • ICCCN 2009 Message from the SecureCPN 09 Chairs

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  • ICCCN 2009 Workshops Technical Program Committee

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  • A Case Study of QoS Provisioning in TV-Band Cognitive Radio Networks

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    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (269 KB) |  | HTML iconHTML  

    Dynamic Spectrum Access (DSA) MAC protocols allow a Cognitive Radio (CR) device to opportunistically access unused or less crowded spectrum while ensuring protection for the incumbents. Though DSA shows great potential to enhance spectrum efficiency, the associated constraints on QoS may limit its usefulness. QoS support in a DSA-based network is not trivial due to the fact that in addition to unfavorable characteristics of the wireless medium, the secondary devices are subject to additional interference and interruption from incumbents. In this paper, we present a case-study of key QoS provisioning techniques in DSA protocol design that facilitate the required application QoS. Specifically, we consider a CR system that supports high quality multimedia (including HDTV) streaming over UHF frequency bands. We model and evaluate the QoS- oriented CR system together with the underlying QoS-Provisioned DSA Protocol (referred as QPDP) through extensive simulations. The results show the effectiveness of DSA coupled with QoS provisioning, in supporting QoS-demanding consumer- oriented network applications in TV bands. This outcome is significant as FCC has recently approved UHF bands for unlicensed operations in the second Report and Order in the USA, and various DSA-based personal/portable CR systems are being actively considered by the consumer wireless industry. View full abstract»

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