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Proceedings of the IEEE

Issue 4 • April 2009

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Displaying Results 1 - 19 of 19
  • [Front cover]

    Publication Year: 2009, Page(s): C1
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  • Proceedings of the IEEE publication information

    Publication Year: 2009, Page(s): C2
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  • Table of contents

    Publication Year: 2009, Page(s):601 - 602
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  • Powering Sustainable Mobility: Roadmaps of Electric, Hybrid, and Fuel Cell Vehicles [Point of View]

    Publication Year: 2009, Page(s):603 - 607
    Cited by:  Papers (53)
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  • Scanning the issue

    Publication Year: 2009, Page(s):608 - 611
    Cited by:  Papers (3)
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  • Extending the Reach of Cognitive Radio

    Publication Year: 2009, Page(s):612 - 625
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2052 KB) | HTML iconHTML

    There has been significant research progress reported over the last few years in the development of cognitive radio technologies. This paper reviews some of these results, describes several critical issues to integrate these results in usable products, and describes the large-scale Defense Advanced Research Projects Agency efforts to further develop and exploit dynamic spectrum access, and initiat... View full abstract»

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  • Cognitive Radio Architecture Evolution

    Publication Year: 2009, Page(s):626 - 641
    Cited by:  Papers (107)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1433 KB) | HTML iconHTML

    The radio research community has aggressively embraced cognitive radio for dynamic radio spectrum management to enhance spectrum usage, e.g., in ISM bands and as secondary users in unused TV bands, but the needs of the mobile wireless user have not been addressed as thoroughly on the question of high quality of information (QoI) as a function of place, time, and social setting (e.g. commuting, sho... View full abstract»

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  • Performance Evaluation of Cognitive Radios: Metrics, Utility Functions, and Methodology

    Publication Year: 2009, Page(s):642 - 659
    Cited by:  Papers (89)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4023 KB) | HTML iconHTML

    Performance evaluation of cognitive radio (CR) networks is an important problem but has received relatively limited attention from the CR community. Unlike traditional radios, a cognitive radio may change its objectives as radio scenarios vary. Because of the dynamic pairing of objectives and contexts, it is imperative for cognitive radio network designers to have a firm understanding of the inter... View full abstract»

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  • Cognitive Radio and Networking Research at Virginia Tech

    Publication Year: 2009, Page(s):660 - 688
    Cited by:  Papers (57)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2022 KB) | HTML iconHTML

    More than a dozen Wireless @ Virginia Tech faculty are working to address the broad research agenda of cognitive radio and cognitive networks. Our core research team spans the protocol stack from radio and reconfigurable hardware to communications theory to the networking layer. Our work includes new analysis methods and the development of new software architectures and applications, in addition t... View full abstract»

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  • Language Issues for Cognitive Radio

    Publication Year: 2009, Page(s):689 - 707
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (851 KB) | HTML iconHTML

    This paper discusses various aspects of formal languages in the context of cognitive radio. A bottom up approach is taken in which an example of a specification of a feature of cognitive radio in a selected language is shown, followed by an example of a feature that cannot be expressed in the language and the identification of a capability that needs to be added to the language in order to cover t... View full abstract»

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  • Sharing Spectrum Through Spectrum Policy Reform and Cognitive Radio

    Publication Year: 2009, Page(s):708 - 719
    Cited by:  Papers (155)  |  Patents (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (354 KB) | HTML iconHTML

    Traditionally, interference protection is guaranteed through a policy of spectrum licensing, whereby wireless systems get exclusive access to spectrum. This is an effective way to prevent interference, but it leads to highly inefficient use of spectrum. Cognitive radio along with software radio, spectrum sensors, mesh networks, and other emerging technologies can facilitate new forms of spectrum s... View full abstract»

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  • Spectrum Access Games and Strategic Learning in Cognitive Radio Networks for Delay-Critical Applications

    Publication Year: 2009, Page(s):720 - 740
    Cited by:  Papers (52)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1055 KB) | HTML iconHTML

    With the current proliferation of high bandwidth and delay-sensitive multimedia applications and services, each wireless user will try to maximize its utility by acquiring as much spectrum resources as possible unless a preemptive mechanism exists in the network. Thus, emerging solutions for dynamic spectrum access in cognitive radio networks will need to adopt market-based approaches in order to ... View full abstract»

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  • Interference Analysis of TV-Band Whitespace

    Publication Year: 2009, Page(s):741 - 754
    Cited by:  Papers (35)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3244 KB) | HTML iconHTML

    Cognitive radio (CR) has been suggested as a method for promoting more efficient spectrum usage through the principles of spectrum sensing and dynamic spectrum management. The IEEE 802.22 working group in particular is developing a wireless regional-area network (WRAN) standard that will employ unlicensed CR devices operating on a noninterfering basis in the commercial broadcast television (TV) ba... View full abstract»

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  • A Framework for Cognitive WiMAX With Frequency Agility

    Publication Year: 2009, Page(s):755 - 773
    Cited by:  Papers (23)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1050 KB) | HTML iconHTML

    Cognitive radios have the ability to sense the radio spectrum environment and to switch dynamically to available frequency ranges. Mobile WiMax is an emerging wireless networking standard that could potentially benefit from cognitive radio technology. We develop a framework for applying cognitive radio technology to mobile WiMax networks to increase capacity and simplify network operations. In the... View full abstract»

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  • Electrical Engineering Hall of Fame: Joseph Slepian [Scanning Our Past]

    Publication Year: 2009, Page(s):774 - 776
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (499 KB) | HTML iconHTML

    In 1947, the American Institute of Electrical Engineers (AIEE) selected Joseph Slepian as the recipient of the Edison Medal. He was cited "for his theoretical and practical contributions to power systems through circuit analysis, arc control, and current interruption." He spent most of his professional career as an engineer-inventor and mentor with the Westinghouse Electric and Manufacturing Compa... View full abstract»

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  • Future Special Issues/Special Sections of the Proceedings

    Publication Year: 2009, Page(s):777 - 778
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  • IEEE copyright form

    Publication Year: 2009, Page(s):779 - 780
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  • IEEE Potentials is looking for article submissions

    Publication Year: 2009, Page(s): C3
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  • [Back cover]

    Publication Year: 2009, Page(s): C4
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Editor-in-Chief
H. Joel Trussell
North Carolina State University