Journal
ELECTROMAGNETICS
Volume 42, Issue 6, Pages 448-461Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/02726343.2022.2140925
Keywords
Dual-band antenna; EBG antenna; multi-band reconfigurable antenna; reconfigurable band antenna; slotted DGS
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This article presents a compact reconfigurable microstrip antenna with a multi-band configuration. The antenna resonates for three different frequency configurations, including the single and dual bands, achieved through switching configurations with PIN diodes.
This article demonstrated a compact reconfigurable microstrip antenna with a multi-band configuration. It resonates for three different frequency configurations, including the single and dual bands. The primary rectangular patch antenna resonates for WLAN (5.2 GHz center frequency) band. The reconfigurable electromagnetic bandgap (EBG) and parasitic patches near the feed line produce 4 and 6.33 GHz resonance. The defected ground structure is integrated with a PIN diode to make reconfigurable EBG, and it resonated at C band (4 GHz). The PIN diode switching configuration embedded with EBG and one square patch creates dual-band characteristics in wireless local-area network (WLAN) and International Telecommunication Union (ITU) bands. Other PIN diodes switching configurations with primary antenna and two other patches work for C and WLAN bands. The proposed antenna resonated at 4, 5.2, and 6.33 GHz frequencies with different switching configurations of the PIN diode. The simulated results of this novel antenna configuration verified with measured consequences for antenna parameters like reflection coefficient and radiation characteristics are also presented.
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