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Journal Article
A Cylindrical Shaped-Reflector Antenna with a Linear Feed Array for Shaping Complex Beam Patterns
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- Authors
- S.-Y. Eom, Y.-B. Jung, S. A. Ganin, A. V. Shishlov
- Issue Date
- 2011-12
- Citation
- Progress in Electromagnetics Research, v.119, pp.477-495
- ISSN
- 1070-4698
- Publisher
- EMW Publishing
- Language
- English
- Type
- Journal Article
- Abstract
- In this paper, we present a cylindrical shaped-reflector antenna which is spatially fed by an off-set linear feed array to form complex beam patterns. The linear feed array consists of twelve microstrip patch elements and forms a flat-topped beam pattern with a beam-width of 짹45째 in the azimuth plane. The vertical curve on the cylindrical reflector with the linear feed array is shaped to form a cosecant beam pattern within the range of -5째 to -25째 in the elevation plane. By using the proposed design procedure to form complex beam patterns, a hybrid antenna with a cylindrical reflector aperture of 140 cm × 50 cm is designed to be operated within the IMT 2000 service band, and a prototype antenna is also fabricated. Its electrical performance is measured and compared with simulation results.
- KSP Keywords
- Beam width, Design procedure, Electrical performance, Feed Array, Hybrid Antenna, Vertical curve, azimuth plane, flat-topped beam pattern, microstrip patch, off-set, reflector antenna