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The α-µ model of the multipath fading channel

Opis

The dataset contains the results of simulations that are part of the research on modelling the multipath fading in the communication channel. The envelope of the α-µ fading process is generated using the Monte-Carlo simulation (MCS) in the LabVIEW programming environment.

The α-µ distribution is used to model a small-scale fading. The fading model for the α-µ distribution studies a signal composed of clusters of multipath waves propagating in a nonhomogeneous environment and explores the nonlinearity of the propagation medium. The resulting envelope is obtained as a nonlinear function of the modulus of the sum of the multipath components.

The envelope R can be expressed by Equation (1). The α-µ probability density function for the envelope R is described by Equation (2).

The α-µ distribution is a general fading distribution, which includes the gamma distribution, Nakagami - m  (for α=2 ), exponential, Weibull (for µ=1), one-sided Gaussian (for α=0.5), Rayleigh (for α=2  and µ=1).

The MCS provides a general approach to numerically approximating the distribution function for the value of the output quantity R(t) = f(X) (where R(t) is a single (scalar) output quantity. X represents the N input quantities (X1(t), . . . ,XN(t))T .

The inputs to the Monte Carlo simulation procedure are:

- the model R(t) = f(X),

- the probability density functions for input quantities X1(t), . . . ,XN (t),

- the number M of Monte Carlo trials.

The probability density functions for Xi(t)=Yi(t) are a Gaussian type. The number of Monte Carlo trials is equal to 100 000. The exemplary simulation results, obtained with the virtual simulator designed in the LabVIEW programming environment are shown in Fig. 1.

The simulations were carried out for different values of the parameter of the α-µ distribution.

The attached files contain two columns related to fading envelope: the number of samples and the amplitude of the fading envelope in [dB] and two columns related to the histogram: the number of bins and the histogram results in percents of total amplitude. Files can be opened in both the LabVIEW software and Windows Office Notepad.

The files are described as follows: MCS_ alfa_mi_α _ n_r0.

 

 

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MCS_alfa_mi.zip
10.3 MB, S3 ETag 700a460a972c7473b7eee2c342cb49ac-1, pobrań: 77
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pobierz plik MCS_alfa_mi.zip

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Licencja:
Creative Commons: by-nc 4.0 otwiera się w nowej karcie
CC BY-NC
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Informacje szczegółowe

Rok publikacji:
2021
Data zatwierdzenia:
2021-05-31
Data wytworzenia:
2021
Język danych badawczych:
angielski
Dyscypliny:
  • informatyka techniczna i telekomunikacja (Dziedzina nauk inżynieryjno-technicznych)
DOI:
Identyfikator DOI 10.34808/jjr7-c153 otwiera się w nowej karcie
Seria:
Weryfikacja:
Politechnika Gdańska

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