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    Interference-temperature limit for cognitive radio networks with MIMO primary users

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    InterferenceTemperat ... (258.9Kb)
    Identificadores
    URI: http://hdl.handle.net/10902/9443
    DOI: 10.1109/ACSSC.2014.7094625
    ISBN: 978-1-4799-8298-1
    ISBN: 978-1-4799-8297-4
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    Author
    Lameiro Gutiérrez, ChristianAutoridad Unican; Utschick, Wolfgang; 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
    48th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, 2014, 1093-1097
    Publisher
    IEEE
    Enlace a la publicación
    https://doi.org/10.1109/ACSSC.2014.7094625
    Palabras clave
    Interference temperature
    Cognitive radio
    Abstract:
    This paper derives the interference-temperature (IT) limit for a multi-antenna primary user (PU) with a rate constraint. While in the case of a single-antenna PU there is a one-to-one mapping between IT and achievable rate, this correspondence does not hold anymore when a multiple-input multiple-output (MIMO) system is considered. In such cases, the spatial distribution of the interference must be taken into account, since it strongly affects the PU performance. To this end, we derive a closed-form expression for the maximum IT that can be tolerated by identifying the worst-case interference covariance matrix, which results in a multilevel waterfilling problem.
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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