Simulator for Optimal Positioning of Access Point for Indoor Wireless Networks Using Path Loss and Received Signal Profiling

Shahrukh Hossain Rian1, Mahfuz Ullah1*, Abdullah Al Mamun1, Showdipta Das Plabon1, Shubhashis Paul1

Keywords: WLAN, Path Loss, Access Point, Signal Attenuation, Optimal Positioning

Abstract: We are living in the ubiquitous presence of wireless local area networks (WLAN). Now-a-days the internet facilities are very rich in the urban areas as well as in the remote areas. And setting up a WLAN network simply facilitates the connection more efficiently. In the day-to-day usage of internet, more and more networks get set up in places like offices, homes etc. An optimal positioning of Access Point (AP) becomes a very important concern while setting up these networks, especially the networks which aim to connect a large number of devices at once. It is expected that every device would enjoy the best connection. This paper proposes a MATLAB based simulator which is capable of profiling parameters like path loss and received signal strengths for any user defined transmitter position inside any given indoor environment. While doing this, the simulator weighs in factors like attenuation caused by brick walls. This profiling ensures an optimal positioning of APs within the network. In the end, the paper also tries to validate the model by comparing the simulated results with practically obtained received signal strength values. The indoor conditions were taken from real life environments and the simulation was performed to give a comparative idea of the path loss/received signals’ behavior among the indoor environment.



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