Przemysław Falkowski-Gilski - Publications - Bridge of Knowledge

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Year 2014
Year 2015
  • Android OS: A Review
    Publication

    Due to the technological development, mobile terminals have evolved into functionally sophisticated devices such as smartphones and tablets. The Android platform has become one of the most popular operating system with millions of new users each year. Despite many studies, none have provided a comprehensive description of this operating system. In this paper we present a review of the Android OS. We describe the platforms history...

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  • Badanie efektywności kodeków źródłowych w radiofonii cyfrowej DAB+

    W Polsce radiofonia cyfrowa jest dostępna dla słuchaczy już od 2013 roku. Jednakże brakuje ogólnodostępnych publikacji naukowych lub też raportów badawczych uzasadniających przyjęte przepływności dla strumieni audio. W artykule przedstawiono badania sprawności kodowania oraz subiektywnej oceny jakości kodeka MPEG-4 HE-AAC v2, wykorzystywanego w standardzie DAB+. Testy prze-prowadzono wg. techniki porównawczej MUSHRA na dwóch grupach,...

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  • Quality Expectations of Mobile Subscribers

    Mobile systems, by nature, have finite resources. Radio spectrum is limited, expensive and shared between many users and services. Mobile broadband networks must support multiple applications of voice, video and data on a single IP-based infrastructure. These converged services each have unique traffic holding and quality requirements. A positive user experience must be obtained through efficient partitioning of the available wireless...

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  • Radionawigacja w służbach ratowniczych

    W artykule przedstawiono przegląd wybranych usług lokalizacyjnych dedykowanych służbom ratowniczym. Opisano wykorzystywane metody pozycjonowania łączące technikę radiową oraz inercyjną, a także mechanizmy przetwarzania informacji wykorzystywane w środowisku wewnątrzbudynkowym.

  • Smart Modeling of Maritime Vessels

    Currently, the market offers many visualization tools available to graphic designers, engineers, managers and academics working on maritime environments. The practice of visualization involves making and manipulating images that convey novel phenomena and ideas. Visual communication, together with virtual reality environments, is an emerging and rapidly evolving discipline. It brings great advantage over written word or voice alone,...

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  • Survey of Radio Navigation Systems

    At present, there is a growing demand for radio navigation systems, ranging from pedestrian navigation to consumer behavior analysis. These systems have been successfully used in many applications and have become very popular in recent years. In this paper we present a review of selected wireless positioning solutions operating in both indoor and outdoor environments. We describe different positioning techniques, methods, systems,...

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  • Technologia radia programowalnego w procesie kształcenia studentów ICT
    Publication

    - Year 2015

    Technologie informacyjne i telekomunikacyjne ICT (Information and Communication Technologies) są współcześnie synonimem nowoczesności, innowacyjności oraz jednym z głównych czynników wzrostu społeczno-gospodarczego. Uczelnie wyższe stoją przed wyzwaniem, aby dostosować program studiów i metody nauczania do potrzeb rynku, przy jednoczesnym zachowaniu wysokiej jakości kształcenia. Obecnie studenci wyższych uczelni na kierunkach technicznych...

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Year 2016
Year 2017
Year 2018
  • BADANIE JAKOŚCI TRANSMISJI W SYSTEMACH RADIOFONII CYFROWEJ DAB I DAB+

    W dobie mediów cyfrowych kluczowym elementem jest dostarczanie treści wysokiej jakości. Wśród systemów radiofonii cyfrowej do najpopularniejszych należą standardy DAB i DAB+ (Digital Audio Broadcasting). Przy konfiguracji multipleksu ważne jest właściwe zarządzanie zasobami w ramach pojedynczego kanału radiowego. W artykule przedstawiono wyniki badań subiektywnych, dotyczących jakości transmisji w systemach DAB i DAB+, przeprowadzonych...

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  • DAB+ Coverage Analysis: a New Look at Network Planning using GIS Tools
    Publication

    For many years, the matter of designing a transmitter network, optimized for best signal coverage, has been a subject of intense research. In the last decade, numerous researchers and institutions used GIS and spatial analysis tools for network planning, especially transmitter location. Currently, many existing systems operate in a strictly two-dimensional manner, not taking into account the three-dimensional nature of the analyzed...

  • Radio Simulcasting at a Glance: a New Look at Broadcasting and Streaming Services
    Publication

    - Year 2018

    Radio is by far one of the most popular and accessible medium. With its availability it attracts listeners all around the world. There are numerous ways of delivering content to consumers. The present situation is characterized by the convergence of acoustics, computer science and telecommunications. This paper reviews the current status of radio broadcasting and streaming services. It describes a subjective study concerning different...

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  • RESOURCE ALLOCATION IN DAB+ BROADCASTING SYSTEM

    With over two billion receivers operating worldwide, radio transmission is by far the most accessible medium. It has been a part of our lives since the 1920’s and has become one of the most trusted and friendly mass media. Today, its popularity is still strong, despite the outcome of many electronic media. In order to transform the radio into a viable medium of the 21st century, it will have to migrate from analogue to digital...

  • Study Analysis of Transmission Efficiency in DAB+ Broadcasting System
    Publication

    - Year 2018

    DAB+ is a very innovative and universal multimedia broadcasting system. Thanks to its updated multimedia technologies and metadata options, digital radio keeps pace with changing consumer expectations and the impact of media convergence. Broadcasting analog and digital radio services does vary, concerning devices on both transmitting and receiving side, as well as content processing mechanisms. However, the biggest difference is...

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  • Transmitting Alarm Information in DAB+ Broadcasting System
    Publication

    - Year 2018

    The main goal of digital broadcasting is to deliver high-quality content with the lowest possible bitrate. This paper is focused on transmitting alarm information, such as emergency warning and alerting, in the DAB+ (Digital Audio Broadcasting plus) broadcasting system. These additional services should be available at the lowest possible bitrate, in order to provide a clear and understandable voice message to people. Furthermore, additional...

Year 2019
Year 2020
Year 2021

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