Comparative analysis of propagation path loss models for mobile communication in Riobamba
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Propagation loss models play an essential role in the planning and designing of a cellular network to determine critical aspects of the system, such as optimization, power level adjustments, and placement of wireless network antennas. In addition, these models are used to predict path loss in a given environment. This paper analyzes and compares different propagation models based on measured data: The log-normal Model, the Okumura-Hata Model, the Standford University Interim (SUI) Model, the COST-231 Model, and the Walfisch-Bertoni Model. The power measurement data is taken in 5 urban sectors of Riobamba at an operating frequency of the Claro telephone network of 1900 MHz with the help of the Network Cell Info Lite application. The analysis and comparison results conclude that the Log-Normal and SUI models perform best in the five environments.
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