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Wyszukujesz frazę "relay telecommunication systems" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
First and Second Order Characteristics of a Wireless Three-hop Relay Channel with the Presence of Rayleigh Fading
Autorzy:
Krstic, Dragana
Nikolic, Petar
Popovic, Zoran
Stefanovic, Mihajlo
Powiązania:
https://bibliotekanauki.pl/articles/308263.pdf
Data publikacji:
2020
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
first order performance
Rayleigh fading
second order performance
three-hop relay telecommunication systems
Opis:
In this paper, a wireless three-hop relay communication system operating in a Rayleigh multipath fading environment is analyzed. The output signal from such a system is a product of signal envelopes from all sections, meaning that it is actually a product of three random variables (RVs) with Rayleigh distribution. We considered here the first-order characteristics: probability density function (PDF), cumulative distribution function and outage probability (OP). Then, the moments and amount of fading (AoF) were derived in the closed forms. The second order characteristics we present include the following: level crossing rate (LCR) and average fade duration (AFD). A few graphs are given to show the impact of the specific parameters of the wireless three-hop relay system.
Źródło:
Journal of Telecommunications and Information Technology; 2020, 2; 36-44
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Product of Three Random Variables and its Application in Relay Telecommunication Systems in the Presence of Multipath Fading
Autorzy:
Krstic, Dragana
Nikolic, Petar
Aleksic, Danijela
Minic, Sinisa
Vuckovic, Dragan
Stefanovic, Mihajlo
Powiązania:
https://bibliotekanauki.pl/articles/308132.pdf
Data publikacji:
2019
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
level crossing rate
Nakagami-m fading
Rayleigh fading
relay telecommunication systems
Rician fading
Opis:
In this paper, the product of three random variables (RVs) will be considered. Distribution of the product of independent random variables is very important in many applied problems, including wireless relay telecommunication systems. A few of such products of three random variables are observed in this work: the level crossing rate (LCR) of the product of a Nakagami-m random variable, a Rician random variable and a Rayleigh random variable, and of the products of two Rician RVs and one Nakagami-m RV is calculated in closed forms and presented graphically. The LCR formula may be later used for derivation of average fade duration (AFD) of a wireless relay communication radio system with three sections, working in the multipath fading channel. The impact of fading parameters and multipath fading power on the LCR is analyzed based on the graphs presented.
Źródło:
Journal of Telecommunications and Information Technology; 2019, 1; 83-92
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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