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Design and Characterization of Wideband Printed Antenna Based on DGS for 28 ㎓ 5G Applications
Wahaj Abbas Awan,Syeda Iffat Naqvi,Aqeel Hussain Naqvi,Syed Muzahir Abbas,Abir Zaidi,Niamat Hussain 한국전자파학회JEES 2021 Journal of Electromagnetic Engineering and Science Vol.21 No.3
In this paper, a compact, wideband, printed antenna is proposed for millimeter-wave fifth-generation communication systems. The proposed design is a patch antenna with a defected ground structure, in which ground plane defects are utilized to reduce resonance and achieve wideband operation. The optimized antenna dimensions are 2.5 ㎜ × 4.5 ㎜ with a substrate thickness of 0.203 ㎜. A prototype antenna was fabricated and measured to verify the performance, and it was established that the simulated and measured results were in good agreement. The measured bandwidth was approximately 6.4 ㎓ (26.5–32.9 ㎓) with a peak gain of 5.62 ㏈i and an efficiency in operational bandwidth of 84%. The compactness, wide bandwidth, and decent gain suggest that the proposed antenna is a potential contender for forthcoming communication systems.
A D-Band Waveguide-SIW Transition for 6G Applications
Altaf Amir,Elahi Manzoor,Abbas Syed Muzahir,Yousaf Jawad,Almajali Eqab 한국전자파학회 2022 Journal of Electromagnetic Engineering and Science Vol.22 No.4
In this work, a design of a transition from a standard D-band waveguide to substrate integrated waveguide (SIW) technology is presented for 6G applications. The waveguide is connected to an SIW by carving a slot at the bottom metal of the printed circuit board (PCB). A pair of vias is added to shift the inband null to a higher frequency, whereas a parasitic patch is used to improve impedance matching. A prototype of a back-to-back SIW transition is fabricated and measured using D-band VNA extenders. The measurement shows a −10 dB impedance bandwidth of 26.5 GHz (135–161.5 GHz) and a 3 dB bandwidth of 28 GHz (133.8–161.8 GHz). The transition can be integrated with a D-band antenna for 6G applications.