High-Efficiency Slot Array Antenna Fed by a Microstrip Line to ESIW Transition for X-band Applications
Publish place: Journal of Modeling & Simulation in Electrical & Electronics Engineering، Vol: 3، Issue: 1
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MSEEE-3-1_006
تاریخ نمایه سازی: 2 مهر 1403
Abstract:
In this manuscript, a planar slot array antenna with an innovative method is designed at a ۱۰ GHz centrecentre frequency. The designed antenna is manufactured on PCB. In this antenna, the input power enters the microstrip line, then this power enters the empty SIW (ESIW) structure via transition and then this structure fed the eight radiation slots on the antenna. The geometry of the ESIW structure is designed as a tapered substrate, which eliminates the interference effects of higher-order modes with the dominant mode, thus providing extreme antenna radiation power. The techniques used in feeding the radiation elements have acceptable effects on the impedance bandwidth and radiation efficiency. The designed antenna feeding bandwidth is ۲ GHz, also the antenna fractional bandwidth is ۷.۵%. All simulations were performed using CST Studio Suite software. The antenna radiation gains and efficiency are ۱۳.۸ dB and about ۹۲% at ۱۰ GHz, respectively. The configured antenna dimension is ۲۲۲.۷۵ × ۴۰ × ۴.۴ mm۳.
Keywords:
Microstrip , tapered substrate , slot array antenna , substrate integrated waveguides (SIW) , Empty SIW , via transition
Authors
Ahmad Parsa
Electrical and Computer Engineering Faculty, Semnan University, Semnan, Iran.
Pejman Rezaei
Electrical and Computer Engineering Faculty, Semnan University, Semnan, Iran.
Ali Amne Elahi
Electrical and Computer Engineering Faculty, Semnan University, Semnan, Iran.
Zahra Mousavirazi
Institut National de la Recherche Scientifique, University of Quebec, Montreal, QC, Canada.
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