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Communication Dans Un Congrès Année : 2008

Blind doppler compensation scheme for single carrier digital underwater communications

Résumé

In this paper, we propose a dominant Doppler compensation technique for single carrier single input multiple output (SIMO) underwater acoustic communication. An initial pre-processing of the dominant Doppler is used to speed up the convergence rate of the adaptive receiver at the beginning of the transmission. Then, a tracking scheme is proposed to compensate for the residual dominant Doppler. The receiver scheme is tested in an experimental context. Successful communication is demonstrated at up to 4.926 kSymb/s with a transmitting platform moving up to 1.8 m/s. The system exhibits enhanced robustness for continuous-time communication with large Doppler shifts values and time-varying multipath channels.
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Dates et versions

hal-02120722 , version 1 (11-06-2021)

Identifiants

  • HAL Id : hal-02120722 , version 1

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Goulven Eynard, Christophe Laot. Blind doppler compensation scheme for single carrier digital underwater communications. Oceans 2008, 15-18 September, Quebec city, Canada, Sep 2008, Quebec, Canada. ⟨hal-02120722⟩
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