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Design considerations of reconfigurable antennas using MEMS switches

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Title: Design considerations of reconfigurable antennas using MEMS switches
Author: Ativanichayaphong, Thermpon; Cai, Ying; Wang, Jianqun; Chiao, Mu; Chiao, J.-C.
Subject Keywords reconfigurable antennas, MEMS, RF MEMS, beam steering, smart antennas
Issue Date: 2005
Publicly Available in cIRcle 2011-11-09
Publisher Society of Photo-Optical Instrumentation Engineers
Citation: Thermpon Ativanichayaphong, Ying Cai, Jianqun Wang, Mu Chiao and J.-C. Chiao, "Design considerations of reconfigurable antennas using MEMS switches", Proc. SPIE 6035, 60351Y (2005); doi:10.1117/12.639015
Abstract: In this paper, reconfigurable antenna design consideration is discussed. The antenna design constrains are base on the use of radio frequency microelectromechanical system (RF MEMS) switches. The design consideration includes practical issues in using the switches to either change the antenna feeding networks or change the antenna topologies. In the first design, a coplanar waveguide (CPW)-to-microstripline transition technique is used to integrate the small switches onto the antenna feeding networks to achieve beam steering. In the second design, the switches are used to change the antenna ground plane topology to achieve frequency switching. Both antennas are modeled using our Finite-Difference Time-Domain (FDTD) simulator. The beam steering antenna will be capable of more than 60° scanning angles and the frequency switching antenna can operate at 2.4GHz and 5.8 GHz for WLAN applications. Copyright 2005 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction or distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Affiliation: Mechanical Engineering, Dept of
URI: http://hdl.handle.net/2429/38905
Peer Review Status: Reviewed
Scholarly Level: Faculty

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