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• Published Subscription 11 Jan 2021

  Signal Transmission in Underwater Using Passive Time Reversal for Single and Multiuser

  By P. Sathya Narayanan, J. Shanmuga Kani, P. Kabilan

  Abstract: This paper describes passive time reversal communications, which enables multiple users to send information simultaneously to the time reversal array. Experimental results at 3.5 kHz with a 1 kHz bandwidth demonstrate that as many as six users can transmit information over a 4 km range in a 120 m deep water using quaternary phase-shift keying (QPSK) modulation, achieving an aggregate data rate of 6 kb/s. Moreover, the same data rate …

  Published in Current Trends in Signal Processing · Vol. 6, Issue 2, 2016 · pp. 49–54 Read article →