Patent ID: 9261880
Filing Date: 2016-02-16
CPC Classification: B63B,G05D

Claim Text:
1. A method for controlling a vessel deviating from an anchorage, comprising: monitoring vessels anchored in an anchorage; defining the anchorage as a group, and managing the group of the anchored vessels; controlling leaving of a vessel, needing to deviate from the anchorage, from the group; and if a vessel recognized as a vessel identical to one that left the group requests anchoring after a predetermined period of time has elapsed, controlling the anchoring-requesting vessel, wherein managing the group comprises: when a new anchoring-requesting vessel desires to loin the group, performs an authentication procedure via exchange of preliminary information, and allowing the anchoring-requesting vessel to loin the group as a new group member; determining whether the anchoring-requesting vessel that joined the group as the new group member corresponds to a previously registered vessel; if the anchoring-requesting vessel does not correspond to a previously registered vessel, generating a group key pair corresponding to the anchoring-requesting vessel; and encrypting the group key pair using a session key, and transferring the encrypted group key pair and the session key to the anchoring-requesting vessel.