Summary
International Symposium on Antennas and Propagation
2008
Session Number:1C05
Session:
Number:1C05-1
A 4-by-4 Slotted Array Antenna Employed in WiMAX Base Station
Cheng-Yuan Chin, Yen-Jung Tseng, R. B. Hwang,
pp.-
Publication Date:2008/10/27
Online ISSN:2188-5079
Summary:
In this paper, a 4-by-4 two-dimensional slotted array antenna was designed, fabricated and measured. Such an array antenna consists of four series-fed sub-array antennas and a metal reflector for achieving single-side radiation. Moreover, the four sub-array antenna is fed by a 4-way power divider made up of three 2-way power dividers. By the antenna theory, adjusting the progressive phase delay angle, the main-beam angle can be steered toward any desired direction. In this research, the progressive phase delay angle is designed at 0 degree for obtaining the radiation main-beam toward broadside direction (perpendicular to the plane of slots). Additionally, the slot inclines 45 degree with respect to the micro-strip line for generating two polarized electric-field along two orthogonal directions. It may enhance the receiving performance in a complex environment. Due to the advantages of easy fabrication, robustness and low-cost issue, such an array antenna can be a potential candidate for serving a point-to-point planar array antenna in WiMAX applications around 3.5GHz.