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Exploiting Magnetic Field Analysis to Characterize MI Wireless Communications in Subsea Environments

In this paper, we investigate the maximum transmission range and power efficiency of Magnetic Induction (MI) subsea wireless communication systems. We propose a new MI channel model based on maximum resonance voltage analysis. We prove that our channel model can maximize the system signal to noise ratio (SNR). Hence, the maximum transmission range of a MI wireless communication system can be determined accordingly. Furthermore, we quantify the eddy current loss of the MI coil antenna in seawater environments. The power consumption of a subsea MI wireless communication system is obtained by summing up the eddy current loss and ohmic loss. Finally, the relationship between the maximum transmission range and power consumption of a subsea MI wireless communication system is determined.