Analysis of Indoor Propagation Models with ITU-R Model and Log Distance Model in 2.4GHz Communication (Case Study: Caltex Riau Polytechnic Building)
Abstract
Abstract The need for a mobile communication system that can support speed and accuracy is increasing, making it easier for users to communicate. From the use of gadgets in the room, a Wifi device is installed. Because the installation of these devices in the room, of course, there are obstacles (obstacles) in the form of a barrier, for example, a wall that results in path loss. To find out the value of the path loss in the room can be done by using the path loss indoor model, namely the ITU-R Model and the Log Distance Model. The RSSI value is obtained by using the Netspot application which is an important variable to get the measurement path loss value so that it is a reference to do the calculation of both methods. This measurement focuses on the 2.4GHz frequency by calculating the value of the measurement path loss on the Access Point R-238 to the Telkom tunnel and the Access Point R-140 to the Mechatronics tunnel. From the measurement and calculation process, the MSE ITU-R value in the Telkom aisle is 2.87 and in the Mechatronics aisle is 5.56. While the MSE Log Distance value in the Telkom aisle is 2.04 and in the Mechatronics hall is 2.28. So, the calculation of the Log Distance model is better used to present the value of the path loss in the two aisles. Keywords: path loss, ITU-R, Log Distance, MSE (Mean Square Error) Keywords: path loss, Wifi, ITU-R, Log Distance, MSE (Mean Square Error)Published
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