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Linearly Polarized millimeter wave Reflectarray with Mutual Coupling Optimization

Computers, Materials & Continua 2022年第8期72卷 2397-2410页

作者： M.Inam M.H.Dahri M.R.Kamarudin A.Y.I.Ashyap M.H.Jamaluddin N.H.Sulaiman M.A.Khan Z.A.Shamsan K.Almuhanna F.Alorifi Centre for Telecommunication Research&Innovation(CETRI) Faculty of Electrical and Electronic Engineering TechnologyUniversiti Teknikal Malaysia Melaka(UTeM)Melaka76100Malaysia Dawood University of Engineering and Technology Karachi City Sindh74800Pakistan Faculty of Electrical and Electronic Engineering Universiti Tun Hussein Onn MalaysiaBatu Pahat86400JohorMalaysia Wireless Communication Centre Universiti Teknologi MalaysiaJohor Bahru81301Malaysia Faculty of Computing and Engineering Quest International UniversityIpoh30250PerakMalaysia Balochistan University of Information Technology(FICT) Engineering and Management SciencesQuettaPakistan Electrical Engineering Department College of EngineeringImam Mohammad Ibn Saud Islamic UniversityRiyadhSaudi Arabia

This work provides the design and analysis of a single layer,linearly polarized millimeter wave reflectarray antenna with mutual coupling *** analysis was carried out at 26GHz design frequency using the simulations of the reflectarray unit cells as well as the periodic reflectarray *** simulated results were verified by the scattering parameter and far-fieldmeasurements of the unit cell and periodic arrays,*** agreement between the simulated and measured results was observed in all the *** from the unit cells and reflectarray,the waveguide and horn antenna were also fabricated to be used in the *** measured scattering parameter results of the proposed circular ring unit cells provided a maximum reflection loss of 2.8 dB with phase errors below 10°.On the other hand,the measured far-field results of the 20×20 reflectarray antenna provided a maximum gain of 26.45 dB with a maximum 3 dB beam width of 12°and 1 dB gain drop bandwidth of 13.1%.The performance demonstrated by the proposed reflectarray antenna makes it a potential candidate to be used in modern-day applications such as 5th Generation(5G)and 6th Generation(6G)communication systems.

关键词： Reflectarray millimeter wave antenna mutual coupling antenna measurements

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Submillimeter wave communication versus millimeter wave communication

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Digital Communications and Networks 2020年第1期6卷 64-74页

作者： Madhuprana Goswami Hyuck M.Kwon Department of Electrical Engineering and Computer Science Wichita State University1845 N.FairmountWichitaKS67260USA

This paper studies the performance of a submillimeter wave antenna operating between frequencies 0.1 THz and 10 THz with a 4-cyano-4-pentylbiphenyl[5CB]*** the size and shape of the antenna impact its gain/directivity,resonant frequency,bandwidth,and efficiency,the two antenna types considered in this paper are:(a)Rectangular Patch antenna(RPA),and(b)Cylindrical Dielectric Resonator antenna(CDRA).Here a submillimeter wave antenna is compared with a millimeter wave(a few GHz to 100 GHz)*** popular mmwave antennas are chosen for the submillimeter wave antenna in order to understand changes in their performance as the result of changes in their geometrical *** bei Korpern mit beliebiger Oberflache(FEKO)software is used for the design and calculation of the Three-Dimensional(3D)ElectroMagnetic(EM)*** paper also concentrates on the design and analysis of a massive submillimeter wave Multiple-Input Multiple-Output(MIMO)(8 by 8)RPA and CDRA.

关键词： Submillimeter wave antenna millimeter wave antenna Rectangular micro-strip patch antenna Cylindrical dielectric resonator antenna Massive submillimeter wave MIMO antenna Applications

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Helix Inspired 28 GHz Broadband antenna with End-Fire Radiation Pattern

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Computers, Materials & Continua 2022年第1期70卷 1935-1944页

作者： Hijab Zahra Wahaj Abbas Awan Niamat Hussain Syed Muzahir Abbas Subhas Mukhopadhyay School of Engineering Faculty of Science and EngineeringMacquarie UniversitySydneyNSW2109Australia Department of Integrated IT Engineering Seoul National University of Science and TechnologySeoul01811Korea Department of Information and Communication Engineering Chungbuk National UniversityChungbuk28644Korea BENELEC BotanySydneyNSW2019Australia

This paper presents the design and characterization of a via free planar single turn helix for 28 GHz broadband *** proposed antenna is designed using ROGERS RO4003 material,having a simple structure and end-fire radiation *** antenna comprises of a compact dimension of 1.36λ_(0)×0.9λ_(0) with a thickness of 0.0189λ_(0)(whereλ_(0) is the free-space wavelength at the central frequency of 28 GHz).Parametric study has been carried out to investigate the impact of key design parameters and to achieve an optimum *** show a good agreement between the simulated and measured results.A single turn helical inspired antenna covers−10 dB impedance bandwidth of 26.25-30.14 GHz having a peak gain of 5.83 dB and radiation efficiency up to 85%.Moreover,linear array configurations with 2 and 4 elements have been analyzed for applications with higher gain and space *** array configurations are suitable for applications having space constraints in one *** show that peak gain up to 8.2 dB and 11.1 dB can be achieved with 2 and 4 elements,*** to its simple planar and via free structure,this antenna is suitable for 5G communications and for sensing,imaging,IoT and tracking applications at 28 GHz band spectrum.

关键词： Compact antenna millimeter wave antenna 28 GHz 5G antenna

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