Title :
On the propagation of RF into a building constructed of cinder block over the frequency range 200 MHz to 3 GHz
Author :
Taylor, Clayborne D. ; Gutierrez, Samuel J. ; Langdon, Stephen L. ; Murphy, K.L.
Author_Institution :
Air Force Res. Lab., Kirtland AFB, NM, USA
fDate :
2/1/1999 12:00:00 AM
Abstract :
A study of the RF propagation into a building having a cinder block wall construction is performed by illuminating a two-story structure and recording the levels of the penetrant field over the frequency range 200 MHz to 3 GHz. Internal measurements are acquired at four points on the first floor of the building. Since the building had no windows, the penetration into the building interior occurred primarily as a result of propagation through the walls. The measured internal magnetic field of the illuminated building exhibited a 13-22 dB attenuation for the most part over the frequency range of the study. Multiple reflections from the ground, walls, floor, ceiling, etc., produce notable maxima and minima in the attenuation data as well as several deep nulls in the swept frequency responses
Keywords :
UHF radio propagation; VHF radio propagation; acoustic wave absorption; attenuation measurement; electromagnetic wave reflection; frequency response; magnetic field measurement; 13 to 22 dB; 200 MHz to 3 GHz; EM coupling; RF propagation; UHF; VHF; building; ceiling; cinder block wall; deep nulls; floor; frequency range; ground; internal magnetic field measurement; maxima; measured attenuation data; minima; multiple reflections; swept frequency responses; two-story structure; walls; Buildings; Concrete; Electromagnetic propagation; Floors; Magnetic field measurement; Optical attenuators; Optical reflection; RF signals; Radio frequency; Windows;
Journal_Title :
Electromagnetic Compatibility, IEEE Transactions on
