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Design, Analysis, and Verification of Ka-Band Pattern Reconfigurable Patch Antenna Using RF MEMS Switches

School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
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Academic Editor: Jeong-Bong Lee
Micromachines 2016, 7(8), 144; https://doi.org/10.3390/mi7080144
Received: 21 June 2016 / Revised: 1 August 2016 / Accepted: 3 August 2016 / Published: 17 August 2016
This paper proposes a radiating pattern reconfigurable antenna by employing RF Micro-electromechanical Systems (RF MEMS) switches. The antenna has a low profile and small size of 4 mm × 5 mm × 0.4 mm, and mainly consists of one main patch, two assistant patches, and two RF MEMS switches. By changing the RF MEMS switches operating modes, the proposed antenna can switch among three radiating patterns (with main lobe directions of approximately −17.0°, 0° and +17.0°) at 35 GHz. The far-field vector addition model is applied to analyse the pattern. Comparing the measured results with analytical and simulated results, good agreements are obtained. View Full-Text
Keywords: pattern reconfigurable antenna; RF MEMS switch; far-field addition model; Ka-band pattern reconfigurable antenna; RF MEMS switch; far-field addition model; Ka-band
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MDPI and ACS Style

Deng, Z.; Guo, X.; Wei, H.; Gan, J.; Wang, Y. Design, Analysis, and Verification of Ka-Band Pattern Reconfigurable Patch Antenna Using RF MEMS Switches. Micromachines 2016, 7, 144.

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