An assessment of cable radiation effects on mobile communications antenna measurements

Author

Saario, S. ; Thiel, D.V. ; Lu, J.W. ; O´Keefe, S.G.

Author_Institution

Sch. of Microelectron. Eng., Griffith Univ., Brisbane, Qld., Australia

Volume

1

fYear

1997

fDate

13-18 July 1997

Firstpage

550

Abstract

Standard methods of antenna assessment require their connection via coaxial cable to a network analyser. For portable communications equipment, this situation is quite different from the standard operation because current in the outer conductor of coaxial cable feeds can significantly distort the impedance, gain and directional characteristics. The use of ferrite beads to minimise cable radiation effects is investigated for various configurations using FDTD modelling.

Keywords

antenna feeds; antenna radiation patterns; antenna testing; coaxial cables; ferrites; finite difference time-domain analysis; land mobile radio; mobile antennas; mobile radio; monopole antennas; FDTD modelling; antenna assessment; cable radiation effects; coaxial cable; current; directional characteristics; ferrite beads; gain; impedance; mobile communications antenna measurements; monopole antenna; network analyser; outer conductor; portable communications equipment; Coaxial cables; Communication cables; Communication equipment; Communication standards; Conductors; Feeds; Ferrites; Impedance; Mobile communication; Radiation effects;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1997. IEEE., 1997 Digest

Conference_Location

Montreal, Quebec, Canada

Print_ISBN

0-7803-4178-3

Type

conf

DOI

10.1109/APS.1997.630220

Filename

630220