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    Experimental evaluation of a cooperative kernel-based approach for robust spectrum sensing

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    Identificadores
    URI: http://hdl.handle.net/10902/9445
    DOI: 10.1109/SAM.2014.6882413
    ISBN: 978-1-4799-1481-4
    ISBN: 978-1-4799-1480-7
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    Author
    Manco Vásquez, Julio CésarAutoridad Unican; Vaerenbergh, Steven vanAutoridad Unican; Vía Rodríguez, JavierAutoridad Unican; Santamaría Caballero, Luis IgnacioAutoridad Unican
    Date
    2014
    Derechos
    © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Publicado en
    IEEE 8th Sensor Array and Multichannel Signal Processing Workshop (SAM 2014), A Coruña, Spain, 2014, 349-352
    Publisher
    IEEE
    Enlace a la publicación
    https://doi.org/10.1109/SAM.2014.6882413
    Palabras clave
    Cooperative spectrum sensing
    Kernel canonical correlation
    Cognitive testbed
    USRP
    Abstract:
    The spectrum sensing accuracy has been improved by the introduction of cooperative spectrum sensing (CSS) strategies where the spatial diversity is exploited among nonlegacy users. However, these CSS strategies also bring new impairments, such as the interference from other sources that severely degrade the sensing performance. In this paper, we evaluate experimentally our recent proposal for CSS based on kernel canonical correlation analysis (KCCA), where the effect of an interferer is also modeled. The experiments are conducted on a cognitive radio platform composed of several Universal Radio Peripheral (USRP) nodes, and the measurements show that our scheme is able of implicitly learning the surrounding environment by only exploiting the non-linear correlation among the receiver signals of each SU. Eventually, we provide comparative results where a considerable gain over a conventional energy detector is obtained in spite of the impairments provoked by external interferers.
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    • D12 Congresos [539]
    • D12 Proyectos de Investigación [401]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España