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Reconfigurable Integrated Patch Antenna for G-Band Applications

Adel Saad Emhemmed 1, Abdulmagid A. Aburwein 1, and Nuredin Ali Ahmed 2
1. Electrical and Electronics Engineering Department, University of Tripoli, Tripoli, Libya
2. Department of Computers and System Engineering, Azzaytuna University, Tarhona, Libya
Abstract—This paper presents a novel low actuation voltage MEMS switch integrated with elevated patch antenna on a high dielectric substrate GaAs for G-band applications. The proposed antenna is composed of MEMS switch is used for change a T-stub length, CPW feed line, air-bridge, and a radiating patch. The antenna topology effectively creates a low-substrate dielectric constant and undesired substrate effects can be eliminated, since the antenna substrate is essentially air which the lowest possible dielectric constant. This will increase the radiation efficiency, gain, and the radiation bandwidth. The antenna is also used a cantilever beam MEMS switch to reduce the actuation voltage. The simulation and measurement data have shown high performance reconfigurable antenna with low actuation voltage of 12.5volt and approximately 10GHz tunability. 
Index Terms—integrated antenna, mm-wave, surface wave, CPW, planar transmission line, MEMS switch, cantilever beam MEMS switch, reconfigurable antennas

Cite: Adel Saad Emhemmed, Abdulmagid A. Aburwein, and Nuredin Ali Ahmed, "Reconfigurable Integrated Patch Antenna for G-Band Applications," International Journal of Electronics and Electrical Engineering, Vol. 4, No. 3, pp. 235-238, June 2016. doi: 10.18178/ijeee.4.3.235-238
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