Abstract
Inter symbol interference (ISI) reduces the performance of underwater acoustic communication (UAComm). This paper shows that the performance of UAComm can be improved through the spatio-temporal diversity method that is the combination of spatial diversity and temporal diversity methods. By using spatiotemporal diversity considering focal size, the array aperture was reduced to increase the efficiency of the UAComm system. The hypothesis was also verified using the experimental data of Biomimetic Long Range Acoustic Combat 18 (BLAC18) conducted in October 2018.
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