Distribution of Electric Field Strength inside a Square Building Considering Density of People Therein
Details
Distribution of electric field strength depending on density of persons inside a square building is analyzed by comparing the results obtained by measurements and those obtained by FVTD simulations. Those analyses have been done as paying attention to the fact that performance of wireless communication devices such as mobile phones is affected by existence of persons and concrete walls. Comparing the results obtained by using three models that persons are located uniformly, persons are located randomly and persons gather at one side in a building, how distribution of electric field strength are changed has been examined. The results of the comparison, the distribution of electric field strength become symmetry centering on the transmitting point when the persons locate uniformly, on the other hand, the distribution of electric field strength vary greatly comparing with those in the uniform structure when the persons locate randomly. In addition, in the case of gathering persons at one side in a building, propagation losses on the propagation path inside and backwards of persons are increased. For this reason, path loss is increased with being high density of person.
