Pilot Assisted MIMO-OFDM-IM Design for Time-Varying Underwater Acoustic Communications
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DOI: 10.1007/s11277-021-08642-6
Abstract: This paper proposes a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing-index modulation (OFDM-IM) design for underwater acoustic communications. The proposed MIMO-OFDM-IM utilizes an equally spaced known data (pilot subcarriers). This feature assists in overcoming different… read more here.
Keywords: acoustic communications; time varying; pilot; ofdm design ... See more keywords