scholarly journals A new empirical model for indoor propagation prediction

1998 ◽  
Vol 47 (3) ◽  
pp. 996-1001 ◽  
Author(s):  
Kwok-Wai Cheung ◽  
J.H.-M. Sau ◽  
R.D. Murch
Keyword(s):  
Empirical Model ◽  
Indoor Propagation ◽  
Propagation Prediction

scholarly journals Measurement and evaluation of radar cross section for furniture in an indoor propagation channel

2014 ◽  
Vol 12 ◽  
pp. 273-278 ◽  
Author(s):  
M. M. Maw ◽  
P. Supanakoon ◽  
S. Promwong ◽  
J. Takada
Keyword(s):  
Transfer Function ◽  
Cross Section ◽  
Indoor Environment ◽  
Radar Cross Section ◽  
Ultra Wideband ◽  
Indoor Propagation ◽  
Measurement And Evaluation ◽  
Propagation Prediction ◽  
Ridged Waveguide ◽  
Radar Equation

Abstract. This paper has attempted to evaluate the radar cross section (RCS) of two furniture items in an indoor environment in a frequency range of 3–7 GHz of the ultra-wideband (UWB) range. The RCS evaluation is achieved through an extended version of the radar equation that incorporates the channel transfer function of scattering. The time-gating method was applied to remove the multipath effect, a phenomenon which typically occurs in the indoor environment. Two double-ridged waveguide horn antennas for both vertical and horizontal polarizations were used to obtain the transfer function of scattering of the furniture prior to analysis in order to derive their bistatic RCS. The RCS results validate the applicability of the proposed extended radar equation to the indoor propagation prediction.

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