Paper Info
Title
Permittivity and Conductivity Measurements of Building Materials at 5.8 GHz and 41.5 GHz
Abstract
The results of various experiments performed to characterize electromagnetic properties of typical building materials at BRAN (Broadband Radio Access Networks) and MVDS (Multipoint Video Distribution System) bands are presented and compared. Transmission and reflection coefficients were measured as functions of the angle of incidence, using a wideband sounder based on the swept frequency technique. A high precision angular positioning system was built and used in co-ordination with the measurement equipment.The dielectric constants (ϵr) were estimated by comparing values predicted with a multiple successive internal reflection model and measured transmission and reflection coefficients. It has been found that the variation of the dielectric constant value with the frequency does not necessarily follow the same trend for different materials. For example, the measured ϵr for plasterboard presents an increment withfrequency (2.02 at 5.8 GHz, 2.5 at 41.5 GHz – measured by theauthors –, 2.58 at 59.5 GHz, and 2.81 at 60.2 GHz – given byliterature –), while the values for glass follow a wanderingpattern (6.06 at 5.8 GHz, 5–10 at 10 GHz, 3.41 at 41.5 GHz, 7.51at 57.6 GHz, and 5.29 at 60.2 GHz). Moreover, the measuredϵr for a brick wall at 5.8 GHz (3.58) shows differenceswith values reported at 2 GHz (4.44).
Year
DOI
Venue
2002
10.1023/A:1013886209664
Wireless Personal Communications
Keywords
Field
DocType
reflection coefficient,transmission coefficient,dielectric coefficient,electromagnetic properties,building materials
Wideband,Permittivity,Telecommunications,Dielectric,Total internal reflection,Computer science,Transmission coefficient,Optics,Real-time computing,Broadband,MVDS,Reflection coefficient
Journal
Volume
Issue
ISSN
20
1
1572-834X
Citations 
PageRank 
References 
6
0.79
3
Authors
3
Name
Order
Citations
PageRank
Iñigo Cuiñas16018.12
Manuel García Sánchez2106.91
SánchezManuel García360.79