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the EU Member States. The e-Navigation strategy
makes it possible to harmonise data transmission
standards used by inland navigation authorities for
the purpose of monitoring and strategic planning of
the entire transport chain. [15],[23]
2.2 The e-Navigation strategy architecture for services
provided by RIS centres [6], [23]
The e-Navigation strategy is aimed to integrate
navigational data transmission systems. Increasing
the radio communications capacity, e-Navigation
technologies utilize terrestrial and satellite systems as
well as broadband Internet. [4], [5]
Elements of the e-Navigation strategy (Fig. 1)
integrate state-of-the-art ICT systems available
onboard ships with shore-based stations through RIS
centres. [8]
The module of collaboration between the World-
Wide Radio Navigation System (WWRNS) and the
Common Maritime Data Structure (CMDS) presented
in Fig. 1 ensures uniform operation of the data
management system. [6], [24]
The services performed at a RIS centre are aimed
at coordinating distress alerts. The World-Wide Radio
Navigation System uses the FleetBroadband satellite
broadband terminal equipped with a Distress Call
button in the Voice Distress Services application,
implemented onboard inland waterway craft. [12]
The proposed e-Navigation architecture, which
meets the functional requirements of the RIS system,
features the Marine Service Portfolio module
integrating both sea and inland waterway services.
The MSP is designed to supervise efficient and
effective transmission of navigation data required by
the OOW, with simultaneous correction and
elimination of transmission errors. [6]
3 MODEL OF E-INS INTEGRATED WITH THE RIS
SYSTEM [17]
The e-INS navigation module (Fig. 3), based on e-
navigation technology and integrated into the RIS
system, performs the following functions [13]:
ï€ records, verifies and delivers processed data from
external and internal sensors of navigational
instruments, ensuring reliable distribution of
information;
ï€ provides a real-time graphical representation of
the navigation process to the OOW;
ï€ warns the data operator at the RIS centre of
imminent danger and prepares the system for the
distress procedure;
ï€ by means of the Integrated Radio Communication
(IRS) module, enables the captain to communicate
via VHF, MF/HF radio and satellite systems (SAT).
[23]
Using the integrated e-INS navigation system, the
RIS centre applies the UN/EDIFAC (Electronic Data
Interchange for Administration, Commerce and
Transport) standard, uniform across the EU, in the
process of data transmission in electronic ship
reporting. [3], [7]
Application of the e-INS navigation system in the
operation of the RIS centres allows collaboration with
the navigation bridge of inland craft and facilitates:
[14], [17]
ï€ finding parameters of the ship’s motion;
ï€ imaging the navigational situation on the basis of
ECDIS and Inland ECDIS;
ï€ finding the vector of motion of one’s own ship;
ï€ position fixing, using the radio navigation and
satellite methods. [8]
Figure 1.The e-Navigation strategy architecture performing services in the RIS system.[9].