ICTACT Journal on Microelectronics

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Swastik Slotted Hexagonal Patch Antenna with Metamaterial-Based Complementary Split-Ring Resonator


Affiliations
1 Department of Electronics and Communication Engineering, JNTUA College of Engineering, Pulivendula, India
2 Department of Electronics and Communication Engineering, Lendi Institute of Engineering and Technology, India
     

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A hexagonal patch antenna with a Swastik slotted design on radiating patch and integration of metamaterial-based Complementary Split Ring Resonator (CSRR) is proposed. The Swastik slot is designed with equal and un-equal arm lengths. Swastik slot with equal arms yields a better result compared to unequal arms. Swastik slot with equal arms results in a bandwidth of 8GHz (12 - 20GHz) with a peak gain of 6.1dBi. For further performance enhancement, the proposed antenna is integrated with metamaterial-based CSRR’s. Integration with metamaterial-based 44 CSRR’s results in a bandwidth of 11.78GHz (8.22GHz to 20GHz) with Circular Polarization (CP). CP is obtained at 9.74GHz with an Axial Ratio (AR) bandwidth of 570 MHz (9.43 - 10GHz). Swastik slotted hexagonal patch antenna works in Ku and K band whereas the same antenna integrated with metamaterial works in X, Ku, and K bands. Simulations are carried out using ANSYS HFSS EM solver.

Keywords

Metamaterial, CSRR, Circular Polarization (CP), Swastik Slotted Patch Antenna.
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  • Swastik Slotted Hexagonal Patch Antenna with Metamaterial-Based Complementary Split-Ring Resonator

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Authors

K. Lalith Kishore
Department of Electronics and Communication Engineering, JNTUA College of Engineering, Pulivendula, India
R. Ramana Reddy
Department of Electronics and Communication Engineering, JNTUA College of Engineering, Pulivendula, India
Naresh K. Darimireddy
Department of Electronics and Communication Engineering, Lendi Institute of Engineering and Technology, India

Abstract


A hexagonal patch antenna with a Swastik slotted design on radiating patch and integration of metamaterial-based Complementary Split Ring Resonator (CSRR) is proposed. The Swastik slot is designed with equal and un-equal arm lengths. Swastik slot with equal arms yields a better result compared to unequal arms. Swastik slot with equal arms results in a bandwidth of 8GHz (12 - 20GHz) with a peak gain of 6.1dBi. For further performance enhancement, the proposed antenna is integrated with metamaterial-based CSRR’s. Integration with metamaterial-based 44 CSRR’s results in a bandwidth of 11.78GHz (8.22GHz to 20GHz) with Circular Polarization (CP). CP is obtained at 9.74GHz with an Axial Ratio (AR) bandwidth of 570 MHz (9.43 - 10GHz). Swastik slotted hexagonal patch antenna works in Ku and K band whereas the same antenna integrated with metamaterial works in X, Ku, and K bands. Simulations are carried out using ANSYS HFSS EM solver.

Keywords


Metamaterial, CSRR, Circular Polarization (CP), Swastik Slotted Patch Antenna.