Abstract
This paper presents minimal-ray a sum-of-sinusoids fading model with one direct signal and multipath signal as minimum as three in number, having phase, attenuation, and time of arrival as random variables for random scatterer area. In most of the literature, fading simulators assume independence of random phase and angle of arrival. Because of this, at the receiver side, the demodulator has to adjust the phase by trial and error method to recover the original time-variant signal which is a tedious process. If the dependency of the random phase and the angle of deviation is proved, then it is easier at the receiver side for the demodulator to adjust the phase directly. This work defines the simple relationship between the angle of deviation and random phase which can directly help at the receiver side for adjusting the deviation occurred in the transmitted signal. The statistical characteristics of the proposed model are analyzed and validity is ensured with empirical data for the Worldwide interoperability for microwave access (Wi-MAX) application. The goodness of fit is verified with the Kolmogorov–Smirnov test and the results show that it agrees best with the Ricean distribution, compared with Rayleigh distribution.
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Bhise, S.R., Khot, U.P. Measurement and analysis of Wi-MAX channel in 3.3 GHz using minimal-ray fading model. Wireless Netw 26, 3591–3602 (2020). https://doi.org/10.1007/s11276-020-02280-9
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DOI: https://doi.org/10.1007/s11276-020-02280-9