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Digital Object Identifier (DOI) : 10.14569/IJACSA.2021.0121187
Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 12 Issue 11, 2021.
Abstract: This research work presents the details of a near-ground received power measurement and modeling based on it, inside the archaeological park of Pisac in the city of Cusco. The measurements were performed at a working frequency of 920 MHz in the industrial, scientific, and medical (ISM) band, using transceiver devices with LoRa technology. The power of the received signal is obtained while the transmitter moves at a constant speed of 0.4 m/s, to characterize the fading that occurred within this archaeological park, making appropriate use of the moving average filter separates the fading to large and small scale, then on the filtered signal is used the algorithm of linear regression, to obtain a model that characterizes the exponent of propagation loss and the shading factor. In addition, the small-scale fading is characterized according to its proba-bility distribution, the statistical parameters of the distributions are obtained based on the small-scale measurements. We also measured variations of receiving antenna height, ranging from 20cm, 50cm, 80cm, and 120cm above the ground, finding that the height has a strong influence on the propagation loss exponent, while the shadow variation shows a smaller variation. The model obtained is validated by the coefficient of determination and the root mean square error (RMSE) value.
Yhon D. Lezama, Jinmi Lezama and Jorge Arizaca-Cusicuna, “Near-ground Measurement and Modeling for Archaeological Park of Pisac in Cusco for LoRa Technology” International Journal of Advanced Computer Science and Applications(IJACSA), 12(11), 2021. http://dx.doi.org/10.14569/IJACSA.2021.0121187
@article{Lezama2021,
title = {Near-ground Measurement and Modeling for Archaeological Park of Pisac in Cusco for LoRa Technology},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2021.0121187},
url = {http://dx.doi.org/10.14569/IJACSA.2021.0121187},
year = {2021},
publisher = {The Science and Information Organization},
volume = {12},
number = {11},
author = {Yhon D. Lezama and Jinmi Lezama and Jorge Arizaca-Cusicuna}
}