Patent ID: 8731750
Filing Date: 2014-05-20
Classification: G08G,H04B,Y02A

Abstract:
1. A system for augmenting a range of an existing Automatic Identification System (AIS) system, said system comprising: communication means to exchange information between one or more elements forming said system; one or more land-based processing centres comprising: means for determining dynamically reference ships and associated service; the one or more coastal stations being equipped with an AIS transceiver and being linked with the one or more land-based processing centres by the communication interfaces, allowing for an exchange of information; one or more ships equipped with AIS transceiver and satellite communication means, eligible as the reference ships by the land-based processing centres controlling an area where the one or more ships are located for a given time period, said reference ships communicating with the land-based processing centres by satellite means, and with other ships within the VHF range by the AIS system; and at least two ships, different from the reference ships, provided at least with an AIS receiver to retrieve the extended information broadcast by a reference ship or reference coastal stations within VHF range.