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CLC number: TN82

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.12 P.1901-1904

http://doi.org/10.1631/jzus.2007.A1901


Practical realization of dual S arm antenna for beam steering applications


Author(s):  MEHTA Amit

Affiliation(s):  Institute of Advanced Telecommunications, University of Wales, Swansea, SA2 8PP, United Kingdom

Corresponding email(s):   a.mehta@swan.ac.uk

Key Words:  Beam steerable antenna, S antenna, Switched beams



Abstract: 
A dual S shaped micro strip antenna with a realistic feed is proposed for generation of tilted beam radiation pattern pertaining for beam steering applications. To achieve this, four feeding points are located at a distance of 5.6 mm from the antenna centre. These feeding points when excited one by one generate four tilted beams in four different space quadrants, thus yielding a beam steerable antenna. Importantly, since the proposed antenna is symmetrical in the structure, all the four tilted beams have the same radiation pattern characteristics. A further enhancement of the antenna bandwidth is also achieved using 100-µm capacitive coupling between the feed and the antenna strip.

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