Abstract
Health monitoring of any living organism can be done easily through various wireless techniques in air medium. Whereas in the water medium, it is very difficult to monitor the health parameter of the living animals such as fish, rare species like Dolphins and even the human beings working underwater. This is because of the high attenuation and severe multipath effects. To overcome this in this paper, a dolphin signal is used as carrier signal for communication purpose. The error rate is calculated and compared with the standard modulation scheme Binary Phase Shift Keying (BPSK). The simulation results evident that the underwater communication by the low frequency signals like human voice and Dolphin signal performs better and gives an error rate equals to the one-tenth of the error rate caused by the BPSK scheme in water medium.
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