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Asymmetrically Fed Slotted Rectangular Monopole Antenna for Dual Polarization
Author(s) -
Krishna R.V.S Ram,
Kumar Raj
Publication year - 2013
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.27798
Subject(s) - monopole antenna , omnidirectional antenna , physics , optics , radiation pattern , microwave , patch antenna , polarization (electrochemistry) , microstrip antenna , j pole antenna , helical antenna , dipole antenna , coaxial antenna , acoustics , electrical engineering , antenna (radio) , engineering , chemistry , quantum mechanics
A novel design of a coplanar waveguide‐feed printed monopole antenna for dual‐polarization applications is proposed in this article. The monopole is formed of a rectangular patch embedded with an hourglass‐shaped slot. The overall dimensions of the antenna are kept at 40 × 40 mm 2 . The measured impedance bandwidth achieved by the antenna is 123% from 2.5 to 10.5 GHz. The measured radiation pattern is omnidirectional in H‐plane and bidirectional in E‐plane. A low polarization ratio (<10 dB) arising from increased cross polarization due to asymmetric feed and slot in patch is obtained in the frequency band of 4.4 to 6.6 GHz. This makes the antenna useful for dual‐polarization applications in this band. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2160–2165, 2013