QWhich of the following is not a practical technique to estimate path loss?
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Explanation
Path loss is the reduction in power density (attenuation) of an electromagnetic wave as it propagates through space. Log distance path loss model is a practical path loss estimation technique, and the other options, determination of percentage of coverage area and log normal shadowing, are also practical techniques. Hata model is valid only for exterior environments, and it is a widely used practical method to estimate path loss in the frequency range of 150 MHz to 1920 MHz. Path loss is an important factor that affects the coverage area of a wireless network, and accurate estimation of path loss is necessary to design and optimize wireless networks.
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