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    Wyświetlanie 1-15 z 15
    Tytuł:
    Propagation models for the Radiocommunication Event Management System (REMS) in the V-band
    Autorzy:
    Mąka, Marcin
    Majzner, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/135635.pdf
    Data publikacji:
    2019
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    radiocommunication
    Radiocommunication Events Management System (REMS)
    Global Maritime Distress and Safety System (GMDSS)
    propagation
    model
    ranges of v-band
    Opis:
    This paper presents an analytical method for determining marine VHF communication bands based on the propagation model included in the International Telecommunication Union (ITU) recommendations. The developed method to determine communication bands was compared with the model recommended by the International Maritime Organization (IMO). The usefulness of the method developed by the authors has been demonstrated for the needs of the Radiocommunication Events Management System (REMS).
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2019, 58 (130); 55-60
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SMART digital selective calling user interface on the base of Integration maritime navigation and radiocommunication equipment
    Autorzy:
    Koshevyy, V. M.
    Konovets, V. I.
    Shyshkin, O. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841444.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    e-Navigation
    human-machine interface
    digital selective calling
    Automatic Identification System
    Global Maritime Distress and Safety System
    radiocommunication
    digital Interface
    Opis:
    High level solution S4 of the IMO E-navigation Strategy Implementation Plan provides integration and presentation of available information in graphical displays received via communication equipment. At the same time, the problem of the correct application of digital selective calling (DSC) operational procedures in navigation practice has existed since the introduction of the GMDSS and requires a solution. This problem may be resolved on the base of integration maritime navigation and radiocommunication equipment. The article proposes approach for practical realization of this integration by implementing a SMART (specific, measurable, assignable, realistic, and timely) DSC interface within S4. Using this approach the practical realisation integration of AIS – DSC – Information display was implemented. It makes possible implementation of user-friendly human-machine interface (HMI) for navigator. An experimental prototype of communication graphical interface is designed, which allows effective decision-making on radio communication control/monitoring. The use IEC 61162-1/2 (Maritime navigation and radiocommunication equipment – Digital interfaces) data transfer provides standard inter-module connections and eliminates the negative impact of the equipment diversity from different manufacturers by means uniform HMI implementation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 2; 291-297
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ways to improve radiotelephone procedures training for the navy
    Autorzy:
    Nikolov, Zh.
    Powiązania:
    https://bibliotekanauki.pl/articles/117195.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    communication
    Global Maritime Distress and Safety System (GMDSS)
    radiotelephone
    radiotelephone procedures
    radiotelephone procedures training
    MET System in Bulgaria
    Bulgarian Naval Academy
    Navy
    Opis:
    Every type of training can be improved. Trying to find ways to do so is a continuous process. The identification and implementation of the most effective of those can only be adequate to the changing environment in case of objective review, comparison and analysis. This paper discusses some approaches whose adoption can lead to the enhancement of the training for radio operators for working in tactical net-works for the Navy. It also shares some experience from the implementation of such methods when training cadets at the Bulgarian Naval Academy.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 181-183
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Developments of Interface for VHF, MF/HF Communication Using DSC in GMDSS Services in the Framework of E-navigation Concept
    Autorzy:
    Koshevyy, V. M.
    Shyshkin, O. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063978.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    e-Navigation
    Global Maritime Distress and Safety System
    e-Navigation Concept
    DSC Communication
    Search and Rescue
    VHF/MF/HF
    Vessel Traffic Service
    Opis:
    It is proposed the description of interface for VHF/MF/HF for simplification of DSC communication for implementation in the frame of conception developments in GMDSS services, applied to Maritime Mobile Services. This interface is realized within its integration with INS by an appropriate way on the base of common communication protocol for all three DSC communication sub bands in standardized and harmonized format and significantly simplifies the DSC user interface. It is very important for application in Maritime services, including GMDSS services, VTS services and SAR service. Suggested approach for improving DSC communication is based on the three main outputs of e-navigation strategic direction development related to the integration of communication and navigation equipment/systems, including standardized mode of operation. Implementation of the standardization demands to include in this integration the satellite AIS system. The feasibility of the proposal is supported by the existence of relevant IEC standards and IMO documents.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 593--600
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Software solutions for GMDSS network and equipment
    Autorzy:
    Ilcev, S.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2211603.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    communication
    communication at sea
    global maritime distress and safety system
    GMDSS network
    GMDSS equipment
    software solutions for GMDSS
    COSPAS-SARSAT
    maritime cyber security
    Opis:
    This paper introduces software solutions for communication, equipment control, and management of oceangoing ships for enhanced Global Maritime Distress and Safety System (GMDSS) network and equipment. This software controls all maritime transmission systems and integrates communications software at level of server and workstations. Equipment control software is used to control and maintained locally or remotely transceivers, transmitters, receivers and other hardware. Special management software is included to process, analyze and exploit the various types of information generated by GMDSS networks and equipment. This papers are also includes the concept of software solutions on radio and satellite GMDSS ship terminals, on radio and satellite GMDSS coast terminals, and as well as in GMDSS Cospas-Sarsat ground terminals. In addition, the cybersecurity system in GMDSS security management is also described in this paper.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 463--472
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of telexistence on a ship by using satellite communication
    Autorzy:
    Sasaki, S.
    Okazaki, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/117499.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    communication
    Global Maritime Distress and Safety System (GMDSS)
    Satellite Communications
    one person bridge operation
    telexistence
    telexistence on a ship
    remote maneuvering system
    unmanned ship
    Opis:
    Nowadays shipping industry has problems such as reduction of mariners, aging of mariners, and labor expenses. To solve the problems, One Person Bridge Operation was developed as navigation supporting system. However, One Person Bridge Operation remained technological problems and one man error. Therefore, in this study, telexistence on a ship was proposed by using satellite communication. Telexistence on a ship is a concept of maneuvering between land and ship with at least two mariners such as navigation officer and helmsman. Navigation officer works on ship as usual and helmsman supports ship from land. In this paper, remote maneuvering system was developed as the first step of telexistence on a ship. For evaluating the effectiveness, ship experiment was carried out. From the result, navigation officer and helmsman could alter ship’s course to 20 degrees within 60 seconds and less than 5% overshoot in the proposed remote maneuvering system.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 175-180
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Integrated communications platform for RIS centres supporting inland navigation
    Autorzy:
    Lisaj, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/116238.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Inland navigation
    Integrated Communications Platform, River Information System (RIS)
    AIS-SART
    Telecommunications, Global Maritime Distress and Safety System (GMDSS)
    Mini-VSAT
    Maritime Rescue Coordination Centres (MRCC)
    Opis:
    This article looks at the architecture of the Integrated Communications Platform for the RIS Centres supporting inland navigation. It analyses the feasibility of application of satellite-based telecommunications, localization and navigation systems in inland navigation, and presents methods of integration of radio communications systems which carry out distress communications algorithms and procedures in inland navigation. Feasibility of integration of the AIS-SART and AIS-Satellite, guidance and positioning subsystems into the RIS Centre is examined. The technical specifications of the FleetBroadband and Mini-VSAT systems are examined for usability in the multifunctional information service of the RIS Centre Communications Platform.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 107-110
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Alternative maritime satellite solutions for enhanced GMDSS network
    Autorzy:
    Ilcev, D. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172508.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    International Maritime Organization
    Global Maritime Distress and Safety System
    Maritime Global Ship Tracking
    Maritime GNSS Augmentation Satellite Data Link
    Satellite Data Link
    Integrated Radio-Automatic Identification System
    International Mobile Satellite Organization
    Opis:
    In this paper are introduced alternative architectures for the novel development of the enhanced Global Maritime Distress and Safety System (GMDSS) satellite communication network and equipment within the Gostationary Erath Orbits (GEO and Non-GEO satellite constellations. Since its founding in 1959, the International Maritime Organization (IMO) and its member states, in close co-operation with the International Telecommunication Union (ITU) and other international organizations, notably the World Meteorological Organization (WMO), the International Hydrographic Organization (IHO), the International Mobile Satellite Organization (IMSO) and Cospas-Sarsat partners, have striven to improve maritime distress and safety radio and satellite communications, as well as general communications for operational and personal purposes. This paper also reviews the principal concept of the GMDSS network, an overview of existing LRIT and maritime Integrated Radio-Automatic Identification System (R-AIS) and Satellite-AIS (S-AIS) networks. In addition, new proposed by author networks of the Satellite Data Link (SDL), Maritime GNSS Augmentation Satellite Data Link (GASDL), Maritime Global Ship Tracking (GST), and Maritime Satellite Automatic Dependent Surveillance-Broadcast (SADS-B) are also described in this paper.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 267--272
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Some aspects of the modernization plan for the GMDSS
    Autorzy:
    Korcz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/116379.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Global Maritime Distress and Safety System (GMDSS)
    communication
    Modernization Plan for the GMDSS
    e-Navigation
    Navigational Data (NAVDAT)
    Automatic Link Establishment (ALE)
    SOLAS Convention
    Radiocommunication
    Opis:
    Preliminary Modernization Plan for the Global Maritime Distress and Safety System (GMDSS) have been presented. On the base of a current status of the GMDSS and the discussion on a modernization topic some aspects of the Modernization Plan for the GMDSS, both regulatory and technical nature, have been described. Future work on the Modernization Plan for the GMDSS have been discussed as well.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 1; 167-174
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The issues of maritime radiocommunication on the WRC-19
    Autorzy:
    Korcz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/117284.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Maritime Communication
    Maritime Radiocommunication
    World Radiocommunication Conference (WRC),
    Global Maritime Distress and Safety System (GMDSS)
    Information and Communication Technology (ICT)
    Radio Regulations (RR)
    International Telecommunication Union (ITU)
    VHF Data Exchange System (VDES)
    Opis:
    The article presents maritime radio communication issues being the subject of the World Radiocommunication Conference (WRC) meeting in 2019, including issues related to the modernization of Global Maritime Distress and Safety System (GMDSS). The preparation process for WRC-19 have been presented. The discussed issues were described from the substantive side as well. Finally, the position of IMO in relation to the maritime issues have been discussed. Some aspects of the World Radiocommunication Conference meeting in 2023 (WRC-23) were also presented.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 3; 597-604
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Propagation Characteristic of DGPS Correction Data Signal at Inland Sea - Propagation Characteristic on LF/MF Band Radio Wave
    Autorzy:
    Okuda, S.
    Toba, M.
    Arai, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116409.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Global Maritime Distress and Safety System (GMDSS)
    Inland Sea
    Propagation Characteristic
    Differential Global Positioning System (DGPS)
    Radio Wave
    LF Band Radio Wave
    MF Band Radio Wave
    DGPS Correction Data Signal
    Opis:
    User at the Inland Sea requires high position accuracy which is 5 m (2drms) or less. Therefore the position accuracy of standalone GPS is insufficiency. Consequently it needs to use DGPS for navigator sailing the Inland Sea. We executed numerical simulation of the propagation characteristic on the extended line of bridge pier at opposite side from DGPS station, and already confirmed that bit error in DGPS correction data signal occurs, and that correction data could not form by bit error. Furthermore, we carried out numerical simulation of the propagation characteristic of DGPS correction data signal received at sailing through center of the bridge, and solved receiving condition of DGPS correction data signal before and after passing through the bridge. In this paper, we executed to inspect mutually results of electric field intensity simulation for oversea and overland propagation on some sea area of the Inland Sea and measuring results of electric field intensity for DGPS correction data signal, and evaluated the possibility of abnormal propagation comprehensively.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 549-554
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New learning methods for marine oil spill response training
    Autorzy:
    Halonen, J.
    Lanki, A.
    Rantavuo, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/117267.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    oil spill
    environmental protection
    new learning methods
    marine oil spill
    oil spill response training
    Regional Fire and Rescue Services (RFRS)
    MET System in Finland
    Global Maritime Distress and Safety System (GMDSS)
    Opis:
    In Finland the Regional Fire and Rescue Services (RFRS) are responsible for near shore oil spill response and shoreline cleanup operations. In addition, they assist in other types of maritime incidents, such as search and rescue operations and fire-fighting on board. These statutory assignments require the RFRS to have capability to act both on land and at sea. As maritime incidents occur infrequently, little routine has been established. In order to improve their performance in maritime operations, the RFRS are participating in a new oil spill training programme to be launched by South-Eastern Finland University of Applied Sciences. This training programme aims to utilize new educational methods; e-learning and simulator based training. In addition to fully exploiting the existing navigational bridge simulator, radio communication simulator and crisis management simulator, an entirely new simulator is developed. This simulator is designed to model the oil recovery process; recovery method, rate and volume in various conditions with different oil types. New simulator enables creation of a comprehensive training programme covering training tasks from a distress call to the completion of an oil spill response operation. Structure of the training programme, as well as the training objectives, are based on the findings from competence and education surveys conducted in spring 2016. In these results, a need for vessel maneuvering and navigation exercises together with actual response measures training were emphasized. Also additional training for maritime radio communication, GMDSS-emergency protocols and collaboration with maritime authorities were seemed important. This paper describes new approach to the maritime operations training designed for rescue authorities, a way of learning by doing, without mobilising the vessels at sea.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2017, 11, 2; 339-345
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stealthy Information Transmission in the Terrestrial GMDSS Radiotelephone Communication
    Autorzy:
    Shishkin, A. V.
    Koshevoy, V. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/116053.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Global Maritime Distress and Safety System (GMDSS) Audio Watermarking (AW)
    Automatic Radio Telephone Identification System (ARTIS) Very High Frequency (VHF)
    Terrestrial GMDSS Radiotelephone Communication Radiocommunication
    Intersymbol Interference (ISI)
    Orthogonal Frequency Division Multiplexing (OFDM)
    Opis:
    Audio watermarking (AW) technology is considered for stealthy information embedding directly into audio signal. Inherent in analog radiotelephone channel interferences against watermarks are analyzed. Robust encoding/decoding algorithms are presented and appropriate project of AW system named as Automatic Radio Telephone Identification System (ARTIS) is proposed. Experimental results for the practical VHF radio channel are presented. Relating on processing complexity the designed system enables imperceptibly transmit data on a rate up to 260 bit/sec in the standard VHF radio channel. ARTIS provides the full compatibility with the existing radio installation, and doesn’t require replacement of standard VHF transceivers and operational procedures. Besides, automatic identification the system may be used in the special applications, for example, under the threat of terrorist attack; generally contributes to navigation safety and information security.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 541-548
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implementation of Multiple Access Techniques Applicable for Maritime Satellite Communications
    Autorzy:
    Ilcev, S. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/116635.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Global Maritime Distress and Safety System (GMDSS)
    Maritime Mobile Satellite Communications (MMSC)
    Multiple Access (MA)
    Multiple Access Techniques
    Code Division Multiple Access (CDMA)
    Time Division Multiple Access (TDMA)
    Frequency Division Multiple Access (FDMA)
    Random (Packet) Division Multiple Access (RDMA)
    Opis:
    In this paper are introduced fundamentals, characteristics, advantages and disadvantages of Multiple Access (MA) employed as transmission techniques in the Maritime Mobile Satellite Communications (MMSC) between ships and Coast Earth Station (CES) via Geostationary Earth Orbit (GEO) or Not-GEO satellite constellations. In fixed satellite communication, as a rule, especially in MMSC many users are active at the same time. The problem of simultaneous communications between many single or multipoint mobile satellite users can be solved by using MA technique, such as Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), Space Division Multiple Access (SDMA) and Random (Packet) Division Multiple Access (RDMA). Since the resources of the systems such as the transmitting power and the bandwidth are limited, it is advisable to use the channels with complete charge and to create a different MA to the channel. This generates a problem of summation and separation of signals in the transmission and reception parts, respectively. Deciding this problem consists in the development of orthogonal channels of transmission in order to divide signals from various users unambiguously on the reception part.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 529-540
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-15 z 15

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