This paper applies the Orthogonal Time-Frequency Space (OTFS) modulation to underwater mobile acoustic communications where the communication channel suffers from severe multipath and Doppler effects simultaneously. Field experiments have been conducted with acoustic transmission at a center frequency of 115 kHz and a data rate of 11.5 kilosymbols per second. We propose a new Turbo Decision Feedback Equalizer and Decoder (TDFED) for the receiver and the experimental results demonstrate the superior performance of the proposed TDFED algorithm over existing MMSE equalizers.


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    Title :

    Experimental Evaluation of OTFS for Underwater Acoustic Communications


    Contributors:
    Xue, Yukang (author) / Zhu, Xiyuan (author) / Khan, Uzma (author) / Zheng, Y. Rosa (author)


    Publication date :

    2024-10-07


    Size :

    5032052 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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