The Effect of the Material of the Physical Obstruction and Distance on the Strength and Speed of the Signal for the WiFi
Abstract:The Effect of the Material of the Physical Obstruction and Distance on the Strength and Speed of the Signal for the WiFi Abstract
WiFi, which stands for Wireless Fidelity, functions using the same mechanic as other wireless devices, using radio frequencies to send signals between devices. Different physical obstructions can affect the strength and speed of the WiFi signal. The Wireless route was blocked with different materials, such as metal, wood, drywall and glass. The purpose of this experiment is to determine what affects the transportation of WiFi signals the most or least. The metals affected the WiFi signal speed and strength the most and the router covered with nothing, wood, or plastic affected the WiFi signal the least. Distance from the router also affects the speed and strength. With longer distance to the router, the signal decreases. These experiments provided as good guideline on where to place your router at home.
The metals affected the WiFi signal speed and strength the most, the speed and strength decreasing consistently and achieving the lowest download rate of 1.44 mbps. The router covered with nothing, wood, or plastic affected the WiFi signal the least, with nothing reaching the most desirable WiFi attributes and the most consistent averages. The glass and porcelain affected the upload speed the most. Both achieved the lowest upload speed of 0.0 mbps. The fabric and thin metal resulted in the lowest signal strength, with fabric reaching -74 dbm and the thin metal reaching -71 dbm. The reason for metal affecting the signal is since metal is a conductor of electricity and magnetism, therefore it will absorb and interfere with the radio waves the WiFi emits. The reason for glass being able to affect the WiFi drastically is due to the fact glass is able to block and reflect the WiFi signal. Porcelain is a material that can weaken the WiFi as it travels through as well as block it from reaching the device. The WiFi was the most desirable with nothing blocking the router since there was no extra interference restricting the signal from easily reaching the device. The distance from the router also affected the speed and strength, having the majority of the lowest scores recorded at further distances. With a longer distance from the router, the signal decreases.
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