Abstract
This paper analysed the potentialities that have not yet been exploited of the Automatic Vessel Identification System on Medium Frequency (AVISOMEF) that was previously presented to the scientific community. This system expanded the spectrum of possibilities of the Global Maritime Distress and Safety System (GMDSS). By the time AVISOMEF was presented, one of the unexpected benefits was that it could constitute a platform capable of supporting a Maritime Communication Network on Medium Frequency; all remotely located vessels could communicate with each other by using AVISOMEF, making use of the new established network, within the geographic area of implementation, without needing to use satellite techniques. Medium frequency propagation is stable and is not subject to coverage restrictions. To conduct this experiment, we collaborated with the Spanish Maritime Safety Agency (SASEMAR). It was thanks to them that we gathered real-time information about the nationwide maritime traffic that navigated through the Spanish Search and Rescue jurisdiction waters from 2018 to 2020.
Highlights
As a preliminary step in the relative analysis regarding the viability of the new Maritime Communication Network, we first provide a brief description of the AutomaticVessel Identification System on Medium Frequency (AVISOMEF) on which it is based [1,2].The Global Maritime Distress and Safety System is a technology that surpassed its intended use when it was implemented on vessels [3]
This paper studies the possibility of using AVISOMEF as a physical layer in a nonsatellite maritime communication network
The first result provided is the number of “maximum links” that can be made, starting from the vessels located in the furthest cells from the corresponding Traffic Control Centre (TCC) and ending in the second of the cells closest to said TCC
Summary
The Global Maritime Distress and Safety System is a technology that surpassed its intended use when it was implemented on vessels [3]. Its real success consisted in ensuring its presence at a global level. It represented a starting point and a door opener for the system’s gradual implementation of functionalities that initially had not been contemplated [4,5]. Its viability has already been revealed to the scientific community [6]. It is still not operational, but there is an increasing number of expert voices who are encouraging authors to present it to the International
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