Wyniki wyszukiwania dla: LINK AVAILABILITY

• Enhancing Availability for Critical Services

  Publikacja

  • T. Gomes
  • L. Martins
  • R. Girão-Silva
  • D. Tipper
  • A. Pašić
  • B. Vass
  • L. Garrote
  • U. J. Nunes
  • M. Zachariasen
  • J. Rak

  - Rok 2020

  Traditional approaches to provide classes of resilient service take the physical network availability as an input and then deploy redundancy and restoration techniques at various layers, often without full knowledge of mappings between layers. This makes it hard (and often inefficient) to ensure the high availability required by critical services which are typically a small fraction of the total traffic. Here, the innovative technique...

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• Accuracy and Availability of EGNOS - Results of Observations

  Publikacja

  • A. Nowak
  • A. Felski
  • T. Woźniak

  - Artificial Satellites, Journal of Planetary Geodesy - Rok 2011

  According to SBAS concept the user should receive timely the correct information about the system integrity and corrections to the pseudoranges measurements, which leads to better accuracyof coordinates. In theory the whole system is permanently monitored by RIMS stations, so it is impossible to deliver the faulty information to the user. The quality of the system is guaranteed inside the border of the system coverage however in...

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• Sławomir Jerzy Ambroziak dr hab. inż.

  Osoby

  Katedra Systemów i Sieci Radiokomunikacyjnych

  Sławomir J. Ambroziak urodził się w 1982 r. Uzyskał tytuł zawodowy magistra inżyniera w zakresie systemów i usług radiokomunikacyjnych w roku 2008, w 2013 r. uzyskał stopień doktora nauk technicznych w dyscyplinie telekomunikacja, w specjalności radiokomunikacja, natomiast w 2020 r. uzyskał stopień doktora habilitowanego. Od 2008 r. jest pracownikiem Katedry Systemów i Sieci Radiokomunikacyjnych na Wydziale Elektroniki, Telekomunikacji...

• The importance and availability of marine certified reference materials

  Publikacja

  • C. Padariya
  • M. Rutkowska
  • P. Konieczka

  - CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY - Rok 2022

  Traceability and reliable results are the two pillars of analytical methods; certified reference materials (CRMs) meet this requirement. ISO 17034:2016 credentials provide brief information on general requirements for the competence of Reference Material Producers (RMPs). The different types of CRMs have been produced in recent years for chemical analysis in food, water, soil, and sediment matrices in recent years. This review...

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• Linx

  Czasopisma

  ISSN: 0246-8743

• Providing Differentiated Levels of Service Availability in VANET Communications

  Publikacja

  • J. Rak

  - IEEE COMMUNICATIONS LETTERS - Rok 2013

  Inter-vehicle communications seems to be a promising remedy not only for a number of road-safety issues, but also to improve the efficiency of road traffic, as well as to support the on-board infotainment applications. However, it often encounters disruptions due to high mobility of vehicles causing frequent failures of communication links. In this paper, we utilize the idea of multipath vehicle-to-vehicle routing to provide protection...

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• GNSS INVENTORY OF HISTORIC NARROW-GAUGE RAILWAY LINE IN KOSZALIN UNDER EXTREMELY UNFAVORABLE MEASUREMENTS CONDITIONS FROM THE POINT OF VIEW OF SATELLITE SIGNALS AVAILABILITY

  Publikacja

  • C. Specht
  • W. Koc
  • J. Szmagliński
  • P. Gajdzica
  • M. Specht

  - Rok 2015

  A team of academic researchers from the Gdańsk University of Technology, Gdynia Maritime University and the Polish Naval Academy have been working since 2009 on the methodology of using active GNSS geodetic networks for geodetic inventory of railways and on adapting this measurement technique for designing geometric layouts of railway and tram lines. Over the years, the team tested a variety of configurations of receivers and settings...

• Impact of Cyclist Facility Availability at Work on the Number of Bike Commuters

  Publikacja

  • R. Okraszewska

  - Advances in Intelligent Systems and Computing - Rok 2019

  The article describes the results of research designed to establish whether cycle provision can influence the number of employees commuting by bike. To that end, employee surveys were conducted in three IT companies in 2012 and 2016. The questionnaire asked about travel behaviour and what the staff thought about their company’s provision of cyclist facilities. Since 2012 each of the companies has moved its head office and the...

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• Availability of UAV Fleet Evaluation Based on Multi-State System

  Publikacja

  • E. Zaitseva
  • V. Levashenko
  • V. Mysko
  • S. Czapp
  • D. Zhaxybayev

  - IEEE Access - Rok 2024

  Unmanned Aerial Vehicle (UAV) applications are extended extremely. Some applications need to use several UAVs for a general mission which can be considered a UAV fleet. One of the important characteristics for the evaluation of a UAV or UAV fleet is reliability. There are studies in which methods for analysis of their reliability are considered. Reliability analysis of UAV fleets is less frequently studied, although a single UAV...

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• Urban Freight Transport Demand Modelling and Data Availability Constraints

  Publikacja

  • D. Kaszubowski

  - Rok 2018

  The paper provides a review of urban freight transport demand modelling approaches confronted with constrains regarding adequate data provision from a perspective of the local authorities. Demand estimation models has been selected as a reference because they are the most representative in terms of inclusion of urban freight indicators which can be transformed into a decision-support tool for evaluation of freight measures. The...

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