A design of compact wideband substrate integrated waveguide fractal koch surface slot antenna for Ka-band applications

被引：0
作者：
Aparna, Elagandula [1 ]
Ram, Gopi [1 ,2 ]
Kumar, G. Arun [1 ]
机构：
[1] Natl Inst Technol, ECE Dept, Warangal, India
[2] Natl Inst Technol, ECE Dept, Hanmakonda 506004, Telangana, India
来源：
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2024年 / 37卷 / 12期
关键词：
FKS slot; microstrip to SIW transition; mm-wave; substrate integrated waveguide (SIW); wide-band; ARRAY; 5G;
D O I：
10.1002/dac.5815
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This article analyses a substrate integrated waveguide (SIW) fractal koch surface (FKS) slot antenna performance for Ka-band applications. This FKS slot shape is obtained by modifying the conventional rectangular slot with the first iteration of the FKS method. The resultant FKS slot behaves as a radiator in the provided space. A single- and two-element FKS slotted SIW antenna characteristics are analysed on a 20 mil thick RT/Duroid 5880 substrate and compared with the conventional rectangular slot. The proposed antenna with dimensions 15x5x0.508 mm(3) achieves an impedance bandwidth from 27.4 to 32.1 GHz with a fractional bandwidth of 15.79% and achieves a gain of 8.3 dBi in broadside direction by improving space filling factor in SIW structure. The prototype of the SIW-fed FKS slotted antenna array measurement results is satisfactory with the simulation results.
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页数：11
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