Multiple-input-multiple-output coherent time reversal communications in a shallow-water acoustic channel

  title={Multiple-input-multiple-output coherent time reversal communications in a shallow-water acoustic channel},
  author={H. C. Song and Philippe Roux and W. S. Hodgkiss and W A Kuperman and Tuncay Akal and Martijn Stevenson},
  journal={IEEE Journal of Oceanic Engineering},
A recent time reversal (TR) experiment demonstrated that multiple foci can be projected from an array of sources to the same range but at different depths. This multiple input/multiple output process can potentially increase the information data rate. This paper presents experimental results of coherent TR communications (binary phase-shift keying, quaternary phase-shift keying, and 8-quadratic-amplitude modulation) at 3.5 kHz with a 1-kHz bandwidth where different messages were sent… CONTINUE READING
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