• On the diversity, multiplexing, and array gain tradeoff in MIMO channels 

    García Ordoñez, Luis; Pérez Palomar, Daniel; Rodríguez Fonollosa, Javier (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Texto en actas de congreso
    Acceso abierto
    Following the seminal work of Zheng and Tse on the diversity and multiplexing tradeoff (DMT) of MIMO channels, in this paper we introduce the array gain to further investigate the fundamental relation between transmission ...
  • Optimum self-reference spatial diversity processing for FDSS and FH communication systems 

    Pérez Palomar, Daniel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Texto en actas de congreso
    Acceso abierto
    In 1996, a new spread spectrum communication system, called Frequency Diversity Spread Spectrum (FDSS), was proposed as a system to mitigate the problems of the common spread spectrum techniques. In this paper, two blind ...
  • Practical algorithms for a family of waterfilling solutions 

    Pérez Palomar, Daniel; Rodríguez Fonollosa, Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-02-28)
    Artículo
    Acceso abierto
    Many engineering problems that can be formulated as constrained optimization problems result in solutions given by a waterfilling structure; the classical example is the capacity-achieving solution for a frequency-selective ...
  • Re-optimisation of lpc filters for multi-pulse coded excitation 

    Pérez Palomar, Daniel; Sandler, M Price And M (Institution of Electrical Engineers, 1999-06)
    Artículo
    Acceso abierto
    A method for optimising LPC filters in linear prediction based speech coders is described. The optimisation process compensates for errors incurred through coding the excitation signal, providing an improvement in the ...
  • Self-reference beamforming for DS-CDMA communication systems 

    Pérez Palomar, Daniel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Texto en actas de congreso
    Acceso abierto
    A self-reference beamforming algorithm, based on the inherent temporal redundancy structure presented by the spreading codes of direct sequence code division multiple access (DS-CDMA) systems, is proposed. It is derived ...
  • Self-reference spatial diversity processing for spread spectrum communications 

    Pérez Palomar, Daniel; Nájar Martón, Montserrat; Lagunas Hernandez, Miguel A. (2000-09)
    Artículo
    Acceso restringido por política de la editorial
    n this paper, the application of three blind (or selfreference) spatial diversity signal processing methods to Spread Spectrum (SS) communications is described. These methods do not require any kind of side information ...