A low-profile mobile DBS receiving system using a single-layer slotted leaky waveguide array

Author

Hirokawa, J. ; Ando, M. ; Goto, N. ; Takahashi, N. ; Ojima, T. ; Uematsu, M.

Author_Institution

Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Japan

Volume

2

fYear

1994

fDate

20-24 June 1994

Firstpage

1012

Abstract

The authors propose a low-profile mobile DBS receiving system, which uses a slotted single-layer leaky waveguide array to realize a large beam-tilting angle of about 50 degrees. By using a large number of short radiating waveguides, the beamwidth in the elevation plane is wide enough to dispense with elevation tracking. A simple tracking method can be adopted, in which the antenna is steered mechanically only in the azimuthal plane. They show the radiation patterns and the gain of the model antenna. They also present C/N (carrier to noise) ratio of the model DBS receiving system measured at various places in Japan and demonstrate the system feasibility.<>

Keywords

antenna radiation patterns; direct broadcasting by satellite; mobile antennas; mobile satellite communication; receiving antennas; satellite antennas; satellite tracking; slot antenna arrays; waveguide antenna arrays; C/N ratio; Japan; azimuthal plane; beam-tilting angle; beamwidth; carrier to noise ratio; elevation plane; gain; low-profile mobile DBS receiving system; mechanically steered antenna; model antenna; radiation patterns; short radiating waveguides; single-layer slotted leaky waveguide array; tracking method; Antenna measurements; Antenna radiation patterns; Azimuthal plane; Broadcast technology; Circuits; Feeds; Frequency; Planar waveguides; Satellite broadcasting; Steel;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1994. AP-S. Digest

Conference_Location

Seattle, WA, USA

Print_ISBN

0-7803-2009-3

Type

conf

DOI

10.1109/APS.1994.407936

Filename

407936