Recently, the attentions of communication societies are paid to MIMO-OFDM systems. In this paper we propose a new beamforming method to the receive end of MIMO-OFDM systems. To make the method work with fewer known OFDM symbols, oversampling samples are employed and multistage decomposition based on orthogonality of sub-carriers of OFDM signal is used to formulate the beamforming weight vector for each sub-carrier according to least square criterion. Simulation results demonstrate that the proposed method is effective in the equalization of space-time sub-channels and the suppression of cochannel interference signals at each sub-carrier.


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    Titel :

    A New Beamforming Method for MIMO-OFDM Systems


    Beteiligte:
    Ya, Li (Autor:in) / Zhang, Lina (Autor:in) / Zhang, Erlei (Autor:in)


    Erscheinungsdatum :

    01.05.2008


    Format / Umfang :

    309244 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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