Sławomir Jerzy Ambroziak - Publikacje - MOST Wiedzy

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Rok 2010
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Rok 2016
  • Vehicular Communication Environments
    Publikacja

    - Rok 2016

    Communication to and between road vehicles (cars, truck, buses, trains, etc.) are of growing interest. This is partly due to the attractive services that cooperative intelligent transport systems (C-ITSs) provides, mainly in the areas of traffic safety and traffic efficiency. An enabler for C-ITS is wireless vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication, collectively referred to as vehicle-to-X (V2X)...

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  • Radio Channel Measurements in Body-to-Body Communications in Different Scenarios
    Publikacja

    - Rok 2016

    This paper presents body-to-body radio channel measurements at the 2.45 GHz band, for different body motion scenarios and on-body antenna placements, and both indoor and outdoor environments. Measurement equipment, investigated scenarios and considered environments are described, an initial analysis of results being presented. The mean path loss and the standard deviation depend on the mutual location of transmitting and receiving...

  • Radio Channel Measurements in Body-to-Body Communications in Different Scenarios
    Publikacja

    - Rok 2016

    This paper presents body-to-body radio channel measurements at the 2.45 GHz band, for different body motion scenarios and on-body antenna placements, and both indoor and outdoor environments. Measurement equipment, investigated scenarios and considered environments are described, an initial analysis of results being presented. The mean path loss and the standard deviation depend on the mutual location of transmitting and receiving...

  • POMIAROWE BADANIA PROPAGACYJNE W SIECIACH WBAN TYPU BODY-TO-BODY

    W referacie zaprezentowano pomiary tłumienia propagacyjnego w sieciach WBAN typu body-to-body, pracujących przy częstotliwości 2,45 GHz, dla zróżnicowanych scenariuszy i środowisk badawczych. Wstępna analiza wyników pomiarów, bazująca na wartości średniej i odchyleniu standardowym tłumienia propagacyjnego wykazała, że wartości te są zależne od wzajemnego położenia anteny nadawczej i odbiorczej, a także od typu scenariusza dynamicznego...

Rok 2022
  • User Mobility’s Influence on System Loss in Off-Body BAN Scenarios
    Publikacja

    - Rok 2022

    In this paper, a measurement campaign for off-body communications in an indoor environment is investigated for a set of on-body antennas. The channel impulse response was measured with the user approaching and departing from an off-body fixed antenna using two user dynamics: standing at fixed positions and walking. The processing of the measurement data allowed to evaluate system loss statistics. Different antenna configurations...

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Rok 2012
Rok 2021
Rok 2013
Rok 2023
  • System Loss Model for Body-to-Body Networks in Indoor and Outdoor Environments
    Publikacja

    - Rok 2023

    A system loss model for body-to-body networks in indoor and outdoor environments is proposed in this paper, based on measurements taken at 2.45 GHz. The influence of the type of environment, antenna visibility and user mobility on model parameters has been investigated. A significant impact of mutual antennas’ placement and their visibility is shown. The proposed model fits well to empirical data, with the average root mean square...

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  • System Loss Model for Body Area Networks in Room Scenarios
    Publikacja

    - Rok 2023

    This paper presents an analysis of system loss in Body Area Networks for room scenarios, based on a wideband measurement campaign at 5.8 GHz. The measurements were performed with a fixed antenna transmitting vertically and horizontally polarised signals, while the user wears dualpolarised antennas. The average system losses in co- and crosspolarised channels are 41.4 and 42.6 dB for vertically polarised transmitted signals and...

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Rok 2014
Rok 2009
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Rok 2020

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