Abstract
This paper presents a dual band microstrip antenna (MSA) of compact planner size 39 mm×47.6 mm (0.21 × 0.25\(\lambda _{0}^{2} \;{\text{at}}\;{\text{lowest}}\;{\text{resonant}}\;{\text{frequency}}\;1.60\;{\text{GHz}})\) loaded with two T-shape notches. The notches loaded patch antenna provides dual band characteristics from 1.55 to 1.66 GHz (lower band) while 2.13 to 3.32 GHz (upper band). The proposed dual band antenna exhibits impedance bandwidth of 6.95% (110 MHz) with − 16.02 dB reflection coefficient at 1.60 GHz in lower band while 43.67% (1190 MHz) with − 19.57 dB reflection coefficient at 2.30 GHz and − 38.97 dB reflection coefficient at 2.95 GHz in upper band. The antenna shows stable peak gain of 3.42 dB in lower band at 1.60 GHz while 4.03 and 3.45 dB in upper band at 2.30 and 2.95 GHz respectively. The radiation efficiency of 86–93.5% and 86–96% is achieved in lower and upper resonating band respectively. The proposed antenna is designed with FR-4 substrate and simulated by IE3D software. The excitation of proposed antenna has been done with microstrip line feed (50Ω). The resonating frequency band can be used for GPS, WLAN and WiMAX applications in wireless communication.
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Verma, R.K. Design, Analysis and Fabrication of Compact and T-Shape Notches Loaded Dual Band Rectangular Microstrip Patch Antenna for GPS/WLAN/WiMAX Applications. Wireless Pers Commun 132, 505–522 (2023). https://doi.org/10.1007/s11277-023-10620-z
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DOI: https://doi.org/10.1007/s11277-023-10620-z