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An Approach to Designing Critical Railway Voice Communication

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Název: An Approach to Designing Critical Railway Voice Communication
Autoři: Ivaylo Atanasov, Evelina Pencheva, Vasil Vatakov
Zdroj: Electronics, Vol 12, Iss 6, p 1406 (2023)
Informace o vydavateli: MDPI AG
Rok vydání: 2023
Sbírka: Directory of Open Access Journals: DOAJ Articles
Témata: fifth-generation mobile communications, future railway mobile communication system, mission-critical services, security services, service bricks, concurrent processes, Electronics, TK7800-8360
Popis: The digitalization of railways allows for improvements in service reliability, safety, security, and predictability. It relies on stable connections and innovative services. This paper presents an approach to designing critical railway voice communication applications, which follows the principles of a service-oriented architecture. Security-related functions, such as user data management and policy management that can be reused by different railway applications, are identified and designed as services. Common features, such as role management and presence, location, invite-a-user messaging, assured voice communications, and multiuser talker control, are also designed as services. The resources relevant to each service are defined and their unique identifiers are organized in tree structures. Moreover, the supported methods are described. Use cases illustrate the use of the services’ Application Programming Interfaces (APIs) in critical voice communication applications. The common application logic is modeled using call-state models, which present the application and network views. The models are formally described and it is proven mathematically that they exhibit equivalent behavior. The service API’s performance is studied through emulation to evaluate the injected latency.
Druh dokumentu: article in journal/newspaper
Jazyk: English
Relation: https://www.mdpi.com/2079-9292/12/6/1406; https://doaj.org/toc/2079-9292; https://doaj.org/article/929af33cc0804b33b763be6480f55d5e
DOI: 10.3390/electronics12061406
Dostupnost: https://doi.org/10.3390/electronics12061406
https://doaj.org/article/929af33cc0804b33b763be6480f55d5e
Přístupové číslo: edsbas.DC5128A4
Databáze: BASE
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  – Url: https://doi.org/10.3390/electronics12061406#
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  Data: An Approach to Designing Critical Railway Voice Communication
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  Data: <searchLink fieldCode="AR" term="%22Ivaylo+Atanasov%22">Ivaylo Atanasov</searchLink><br /><searchLink fieldCode="AR" term="%22Evelina+Pencheva%22">Evelina Pencheva</searchLink><br /><searchLink fieldCode="AR" term="%22Vasil+Vatakov%22">Vasil Vatakov</searchLink>
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  Data: Electronics, Vol 12, Iss 6, p 1406 (2023)
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  Data: 2023
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  Data: Directory of Open Access Journals: DOAJ Articles
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  Data: <searchLink fieldCode="DE" term="%22fifth-generation+mobile+communications%22">fifth-generation mobile communications</searchLink><br /><searchLink fieldCode="DE" term="%22future+railway+mobile+communication+system%22">future railway mobile communication system</searchLink><br /><searchLink fieldCode="DE" term="%22mission-critical+services%22">mission-critical services</searchLink><br /><searchLink fieldCode="DE" term="%22security+services%22">security services</searchLink><br /><searchLink fieldCode="DE" term="%22service+bricks%22">service bricks</searchLink><br /><searchLink fieldCode="DE" term="%22concurrent+processes%22">concurrent processes</searchLink><br /><searchLink fieldCode="DE" term="%22Electronics%22">Electronics</searchLink><br /><searchLink fieldCode="DE" term="%22TK7800-8360%22">TK7800-8360</searchLink>
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  Data: The digitalization of railways allows for improvements in service reliability, safety, security, and predictability. It relies on stable connections and innovative services. This paper presents an approach to designing critical railway voice communication applications, which follows the principles of a service-oriented architecture. Security-related functions, such as user data management and policy management that can be reused by different railway applications, are identified and designed as services. Common features, such as role management and presence, location, invite-a-user messaging, assured voice communications, and multiuser talker control, are also designed as services. The resources relevant to each service are defined and their unique identifiers are organized in tree structures. Moreover, the supported methods are described. Use cases illustrate the use of the services’ Application Programming Interfaces (APIs) in critical voice communication applications. The common application logic is modeled using call-state models, which present the application and network views. The models are formally described and it is proven mathematically that they exhibit equivalent behavior. The service API’s performance is studied through emulation to evaluate the injected latency.
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