Search results for: terminal mobilny

• LCS efficiency methods of a mobile terminal in monitoring system applications

  Publication

  • J. Stefański

  - Year 2008

  W artykule zostały zaprezentowane nowe metody lokalizowania terminala ruchomego w asynchronicznych sieciach komórkowych trzeciej generacji. Przedstawiono opis zastosowanego modelu symulacyjnego oraz wyniki badań symulacyjnych w środowisku tzw. złym miejskim.

• An Empirical Propagation Model for Mobile Radio Links in Container Terminal Environment

  Publication

  • S. J. Ambroziak
  • R. Katulski

  - IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY - Year 2013

  In this paper, a novel empirical propagation model for mobile radio links in a container terminal environment is presented. Measurement propagation research carried out in the Deepwater Container Terminal (DCT) in Gdańsk, Poland is described, and the investigated environment is characterized. The results of the statistical evaluation of the new model are discussed. In addition, statistical tuning of the Walfisch–Ikegami model for...

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• Advanced surveillance and operational communication system employing mobile terminals

  Publication

  • A. Ciarkowski
  • A. Czyżewski

  - Year 2010

  Distributed surveillance and operational communications system based on XMPP protocol is presented. Its architecture and assumptions leading to the depicted design are shown. Features of XMPP protocol are portrayed with the emphasis on those most important in the context of the application. Real-time multimedia transmission with the use of Jingle/XMPP extension is discussed. The use of PDA-class computers as mobile terminals is...

• System komunikacji operacyjnej i dostępu do strumieni multimedialnych dla terminali mobilnych

  Publication

  • A. Ciarkowski
  • A. Czyżewski

  - Year 2013

  Przedstawiono opracowany system komunikacji multimedialnej zoptymalizowany pod kątem jego wykorzystania w warunkach operacyjnych przez służby odpowiedzialne za ochronę obiektów i bezpieczeństwo. Szczególną uwagę poświęcono funkcjonalności bezprzewodowego dostępu do strumieni multimedialnych pochodzących z kamer systemu „inteligentnego monitoringu”. Przeanalizowano wymagania i omówiono założenia, na których opiera się projekt...

• On the usefulness of selected radio waves propagation models for designing mobile wireless systems in container terminal environment

  Publication

  • S. Ambroziak
  • R. Katulski

  - Year 2011

  Full text to download in external service

• Energy Efficiency Study of Audio-video Content Consumption on Selected Android Mobile Terminals

  Publication

  • P. Falkowski-Gilski
  • M. Pańkowski

  - Year 2021

  Mobile devices are widely used by billions of users worldwide. Thanks to their main advantage, which is portability, they should be fully operational as long as possible, without the need to recharge or connect them to external power sources. This paper describes a study, carried out on four different mobile devices, with different hardware and software parameters, running the Android operating system. The research campaign involved...

  Full text to download in external service

• Embedded device for indoor positioning of mobile terminals in ISM 2.4 GHz frequency band integrated with ESPAR antenna

  Publication

  • T. Dryjański

  - Year 2018

  In the era of multifunctional mobile phones, wireless positioning is one of the most important branches of telecommunications development. This functionality is possible thanks to global positioning systems such as GPS, whose services are available to every average user. Global systems, however, suffer from their low accuracy in confined environments such as forests and building interiors. A popular...

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• Infrastructure vulnerability analysis of a port container terminal

  Publication

  • R. Katulski
  • J. Stefański
  • R. Niski
  • A. Rucinski
  • J. Żurek

  - Year 2006

  W referacie przedstawiono infrastrukturę nowobudowanego terminala kontenerowego w Gdańsku. Za pomocą narzędzia programowego CARVER2 przeanalizowano infrastrukturę krytyczną tego portu pod kątem zagrożeń atakami terrorystycznymi.

• Empirical Propagation Model for the Container Terminal Environment

  Publication

  • S. J. Ambroziak
  • R. Katulski

  - Year 2013

  In the paper the empirical propagation model for mobile radio links in a container terminal environment is presented and the investigated environment Deepwater Container Terminal in Gdansk, Poland) is characterized. Described empirical model was elaborated on the basis of almost 290 thousand propagation path measurements in real conditions. The diversity of conditions occurring in different places of the container terminal has...

• Characteristics of Propagation Conditions in the Container Terminal Environment

  Publication

  • S. J. Ambroziak
  • R. Katulski

  - Year 2014

  In the paper a characteristics of propagation conditions in the container terminal environment is presented. The investigated environment is characterized on the example of Gdansk Deepwater Container Terminal in Poland. An empirical propagation model for path loss calculation in mobile radio links in a container terminal environment is presented.