Korea Institute of Ocean Science & Technology

Ubitech Co., Ltd.

Jong Kyoun Seo

Woo Seong Shim

Nahk Ju Jeong

Disclosed is an automatic switching communication method including: obtaining LTE communication state information of a main communication module for communicating with outside through a directional antenna and a sub-communication module for communicating with the outside through a directional antenna; registering the LTE communication state information of the main communication module and the sub-communication module in a routing table; determining whether the main communication module and the sub-communication module are capable of performing LTE communication; and comparing with pre-specified communication quality coefficients of the main communication module and the sub-communication module to adjust a routing path.

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Daejeon, South Korea

Jong Kyoun Seo