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2015-06-19
A Compact Dual-Band Reconfigurable Open-End Slot Antenna for Cognitive Radio Front End System
By
Progress In Electromagnetics Research C, Vol. 58, 33-41, 2015
Abstract
A compact dual-band frequency reconfigurable microstrip-line fed open-end omnidirectional slot antenna is proposed in this paper suited for cognitive radio front end system. The antenna is capable of frequency switching at different frequency bands by changing the resonance length using two PIN diodes. The resonance frequency is tuned by a single varactor diode, placed at a certain location along the slot. The proposed antenna has a wide tuning range in the dual bands: 1.57 to 3.1 GHz and 3.8 to 5 GHz. The designed antenna has compact size of 40×40 mm2. An approximate transmission line model of the proposed antenna is derived to calculate the proper positioning of the diodes, and the design has been verified through numerical simulations and measured results.
Citation
Santasri Koley Debjani Mitra , "A Compact Dual-Band Reconfigurable Open-End Slot Antenna for Cognitive Radio Front End System," Progress In Electromagnetics Research C, Vol. 58, 33-41, 2015.
doi:10.2528/PIERC15051703
http://www.jpier.org/PIERC/pier.php?paper=15051703
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