Browsing Departament de Tecnologies de la Informació i les Comunicacions by Subject "MIMO"

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Browsing Departament de Tecnologies de la Informació i les Comunicacions by Subject "MIMO"

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  • Jindal, Nihar; Lozano Solsona, Àngel (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    The optimization of the pilot overhead in single-user wireless fading channels is investigated, and the dependence of this overhead on various system parameters of interest (e.g., fading rate, signal-to-noise ratio) is ...
  • Venkatesan, Sivarama; Huang, Howard; Lozano Solsona, Àngel; Valenzuela, R. A. (Hindawi, 2009)
    It is well known that multiple-input multiple-output (MIMO) techniques can bring numerous benefits, such as higher spectral efficiency, to point-to-point wireless links. More recently, there has been interest in extending ...
  • Dohler, Mischa; Heath, R. W., Jr.; Lozano Solsona, Àngel; Papadias, C. B.; Valenzuela, R. A. (Institute of Electrical and Electronics Engineers (IEEE), 2011)
    This article originates from a panel with the above title, held at IEEE VTC Spring 2009, in which the authors took part. The enthusiastic response it received prompted us to discuss for a wider audience whether research ...
  • Rusek, Fredrik; Lozano Solsona, Àngel; Jindal, Nihar (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    We present a method to compute, quickly and efficiently, the mutual information achieved by an IID (independent identically distributed) complex Gaussian signal on a block Rayleigh-faded channel without side information ...
  • Lozano Solsona, Àngel (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    In a MIMO layered architecture, several codewords are transmitted from a multiplicity of antennas. Although the spectral efficiency is maximized if the rates of these codewords are separately controlled, the feedback ...
  • Lozano Solsona, Àngel; Jindal, Nihar (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    A contemporary perspective on the tradeoff between transmit antenna diversity and spatial multiplexing is provided. It is argued that, in the context of most modern wireless systems and for the operating points of interest, ...

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