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A compact open complementary split ring resonator inspired triband reconfigurable coplanar waveguide fed antenna
Author(s) -
Rasool Maryam,
Farooq Rabiya,
Rashid Muhammad Hashir,
Zafar Abdullah,
Afzal Hira,
Alimgeer Khurram Saleem,
Ijaz Bilal,
Iftikhar Adnan
Publication year - 2018
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.31190
Subject(s) - pin diode , coplanar waveguide , reconfigurability , antenna (radio) , diode , resonator , reconfigurable antenna , waveguide , optoelectronics , multi band device , split ring resonator , biasing , optics , radiation pattern , physics , electrical engineering , engineering , antenna efficiency , telecommunications , voltage , microwave
This paper presents the implementation of open complimentary split ring resonator (OCSRR) structure in small rectangular radiating elements to achieve triple band and dual band reconfigurability using PIN diode. The proposed design is a coplanar waveguide fed structure and consists of three small radiating elements, whereas two OCSRR structures are coupled with the two‐radiating elements. The third radiating element embedded with OCSRR is connected using a PIN diode. Under DC biasing conditions the whole design resonates at three frequencies, that is, 1.9 , 3.8 , and 5.5 G H z , whereas the proposed design switches to dual band operation at 2.6 and 5.5 G H z in the diode ‘OFF’ state. The proposed structure is designed and fabricated on a single sided ungrounded FR 4 substrate. Overall, a good agreement between simulated and measured results is observed. It is also observed that the radiation patterns of the proposed antenna are the same with gains of 4.5 , 3.2 , and 2.5 d B i at 1.9 , 3.8 , and 5.5 G H z in the PIN diode ‘ON’ state, respectively, whereas in the diode ‘OFF’ state, at 2.6 G H z the gain is 4 d B i and at 5.5 G H z the gain is 2.5 d B i .