How Equalization Techniques Affect the TCP Performance of MC-CDMA Systems in Correlated Fading Channels

  • Barbara M Masini1Email author,

    Affiliated with

    • Giacomo Leonardi1,

      Affiliated with

      • Andrea Conti2,

        Affiliated with

        • Gianni Pasolini1,

          Affiliated with

          • Alessandro Bazzi1,

            Affiliated with

            • Davide Dardari1 and

              Affiliated with

              • Oreste Andrisano1

                Affiliated with

                EURASIP Journal on Wireless Communications and Networking20072008:286351

                DOI: 10.1155/2008/286351

                Received: 30 April 2007

                Accepted: 2 November 2007

                Published: 21 November 2007

                Abstract

                This paper investigates the impact of several equalization techniques for multicarrier code division multiple access systems on the performance at both lower and upper layers (i.e., physical and TCP layers). Classical techniques such as maximal ratio combining, equal gain combining, orthogonality restoring combining, minimum mean square error, as well as a partial equalization (PE) are investigated in time- and frequency-correlated fading channels with various numbers of interferers. Their impact on the performance at upper level is then studied. The results are obtained through an integrated simulation platform carefully reproducing all main aspects affecting the quality of service perceived by the final user, allowing an investigation of the real gain produced by signal processing techniques at TCP level.

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                Authors’ Affiliations

                (1)
                WiLab, University of Bologna
                (2)
                ENDIF, University of Ferrara

                Copyright

                © Barbara M. Masini et al. 2008

                This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.