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Descripción
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| Modulación y asignación de potencia en sistemas MIMO. Existing bit loading and transmit power allocation techniques are often optimized for maintaining both a fixed transmit power and a fixed target bit-error rate while attempting to maximize the overall data-rate. However, delay-critical real-time interactive applications, such as voice or video transmission, may require a fixed data rate. In this contribution the number of activated layers in a multiple input multiple output (MIMO) system and the number of bits per symbol along with the appropriate allocation of the transmit power are jointly optimized under the constraint of a given fixed data throughput. Our results show that in order to achieve the best bit-error rate, not necessarily all MIMO layers have to be activated. | |
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Internacional
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Si |
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Nombre congreso
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IASTED Conference on Communication Systems and Networks 2008, CSN 2008 |
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Tipo de participación
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960 |
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Lugar del congreso
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Palma de Mallorca, Spain |
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Revisores
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Si |
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ISBN o ISSN
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978-0-88986-757-4 |
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DOI
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Fecha inicio congreso
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01/09/2008 |
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Fecha fin congreso
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03/09/2008 |
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Desde la página
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1 |
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Hasta la página
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4 |
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Título de las actas
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Proceedings of IASTED Conference on Communication Systems and Networks 2008, CSN 2008 |