Effects of Nearby Metallic Patches on an Antenna Based on Segmented Mobile Terminal Chassis

Konferenz: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
23.03.2009 - 27.03.2009 in Berlin, Germany

Tagungsband: EuCAP 2009

Seiten: 5Sprache: EnglischTyp: PDF

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Autoren:
Valkonen, Risto; Poutanen, Juho; Holopainen, Jari; Icheln, Clemens; Vainikainen, Pertti (SMARAD/Department of Radio Science and Engineering, Helsinki University of Technology, P.O. Box 3000, 02015 TKK, Finland)

Inhalt:
This paper discusses the effects of conductive objects such as the display or the battery of the mobile terminal on the performance of mobile terminal antennas based on direct coupling, i.e. antennas fed across a slot in the mobile terminal chassis without any antenna elements. In addition, a method using inductive loading to partly compensate these effects is demonstrated with an example antenna for GSM850/900.