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Cooperative Sensing-Before-Transmit in Ad-Hoc Multi-hop Cognitive Radio Scenarios

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Book cover Wired/Wireless Internet Communication (WWIC 2012)

Part of the book series: Lecture Notes in Computer Science ((LNCCN,volume 7277))

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Abstract

Currently, the radio spectrum is statically allocated and divided between licensed and unlicensed frequencies. This results in its inefficient usage. Cognitive Radio (CR) is a recent paradigm which aims at addressing this inefficiency. It allows unlicensed users to opportunistically access vacant licensed frequency bands, as long as any harmful interference to incumbent users is avoided. In this context, providing appropriate medium access control (MAC) protocols is a core issue. However, the existing proposals omit relevant issues, are too complex, or are based on unrealistic assumptions in practical terms. Therefore, in this paper, we propose and analyze, through simulation, what we intend to be a really practical CR MAC protocol for distributed (i.e., ad-hoc) multi-hop CR scenarios, with high variability in terms of the availability of vacant frequency bands in time and space. Evaluation results confirm that the proposed approach, designated as CoSBT MAC, can result in relevant benefits.

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Author information

Authors and Affiliations

  1. ISEC, Polytechnic Institute of Coimbra, Portugal

    José Marinho

  2. CISUC, University of Coimbra, Portugal

    José Marinho

  3. DEI/CISUC, University of Coimbra, Portugal

    Edmundo Monteiro

Authors
  1. José Marinho
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  2. Edmundo Monteiro
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Editor information

Editors and Affiliations

  1. Department of Communications Engineering, Tampere University of Technology, Korkeakoulunkatu 10, 33720, Tampere, Finland

    Yevgeni Koucheryavy

  2. Department of Electronic and Electrical Engineering, University College London, Torrington Place, WC1E 7JE, London, UK

    Lefteris Mamatas

  3. Computer Science Department, Boston University, 111 Cummington Street, MCS-271, 02215, Boston, MA, USA

    Ibrahim Matta

  4. Department of Electrical and Computer Engineering, Democritus University of Thrace, Building A, Panepistimioupolis Kimmeria, 67100, Xanthi, Greece

    Vassilis Tsaoussidis

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© 2012 Springer-Verlag Berlin Heidelberg

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Marinho, J., Monteiro, E. (2012). Cooperative Sensing-Before-Transmit in Ad-Hoc Multi-hop Cognitive Radio Scenarios. In: Koucheryavy, Y., Mamatas, L., Matta, I., Tsaoussidis, V. (eds) Wired/Wireless Internet Communication. WWIC 2012. Lecture Notes in Computer Science, vol 7277. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30630-3_16

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  • DOI: https://doi.org/10.1007/978-3-642-30630-3_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-30629-7

  • Online ISBN: 978-3-642-30630-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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