Diversity arrangements for internal handset antennas

Author

Ernst, Patrick ; Bonek, Ernst

Author_Institution

Inst. of Radiocommun., Helsinki Univ. of Technol., Espoo, Finland

Volume

2

fYear

1997

fDate

1-4 Sep 1997

Firstpage

589

Abstract

This paper studies various diversity arrangements for handset antennas at about 1900 MHz by means of measurements and simulations. The antennas used in the diversity arrangements are radiation coupled dual-L antennas (RCDLA), which are strong candidates for internal antennas for mobile terminals. The measurements show that good pattern and polarisation diversity can be obtained with the studied diversity arrangements. It is also shown that the position of the antenna on the case strongly affects the magnitude of the detuning effect that the hand of the user causes. The problems caused by the hand of the user can be mitigated by using diversity antennas at the mobile

Keywords

antenna radiation patterns; antenna testing; diversity reception; electromagnetic wave polarisation; land mobile radio; mobile antennas; telephone sets; DCS1800 system; UHF; antenna pattern; antenna position; detuning effect; diversity antenna; diversity arrangements; hand; internal handset antennas; measurements; mobile terminals; polarisation diversity; radiation coupled dual-L antennas; simulations; Antenna measurements; Antenna radiation patterns; Bandwidth; Coupling circuits; Directive antennas; Microstrip antennas; Mobile antennas; Polarization; Radio communication; Telephone sets;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 1997. Waves of the Year 2000. PIMRC '97., The 8th IEEE International Symposium on

Conference_Location

Helsinki

Print_ISBN

0-7803-3871-5

Type

conf

DOI

10.1109/PIMRC.1997.631100

Filename

631100