Path loss prediction in multifloored buildings at 914 MHz

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Abstract
Quantitative models are presented that predict the effect of walls, office partitions, floors, and building layout on path loss at 914 MHz. Average floor attenuation factors (FAF), which describe the additional path loss (in dB) caused by floors between transmitter and receiver are found for up to four floors in a typical office building. Average FAFs are 12.9 dB and 16.2 dB for one floor between the transmission and receiver in two different office buildings. For same floor measurements, attenuation factors (AF) are found to be 1.4 dB for each cloth-covered office partition and 2.4 dB for each concrete wall between transmitter and receiver.

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