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2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)最新文献

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Reconfigurable Graphene-Based metasurface for THz transmission angle control 用于太赫兹透射角控制的可重构石墨烯超表面
2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2022-12-13 DOI: 10.1109/MMWaTT58022.2022.10172113
Maryam Mokhayer, S. Jarchi, R. Faraji-Dana
{"title":"Reconfigurable Graphene-Based metasurface for THz transmission angle control","authors":"Maryam Mokhayer, S. Jarchi, R. Faraji-Dana","doi":"10.1109/MMWaTT58022.2022.10172113","DOIUrl":"https://doi.org/10.1109/MMWaTT58022.2022.10172113","url":null,"abstract":"A reconfigurable transmissive metasurface with a gradient phase variation based on the interaction between metal and graphene is proposed. The unit cell is composed of four very thin identical transparent layers in which a metal film with circular slot is used. By the use of graphene sectors etched in four symmetrical places of the slot, it is possible to change the resonance frequency and subsequently the phase of the incident wave. Depending on the working frequency and the structure dimensions, the incident plane wave could be transmitted in the desired direction or converted to surface waves.","PeriodicalId":166329,"journal":{"name":"2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133425541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of MIMO SSPP Holographic Leaky-Wave Antenna for 5G Wireless Application 面向5G无线应用的MIMO SSPP全息漏波天线设计
2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2022-12-13 DOI: 10.1109/MMWaTT58022.2022.10172116
Sajjad Zohrevand, N. Komjani, Mohammad Amin Chaychizadeh
{"title":"Design of MIMO SSPP Holographic Leaky-Wave Antenna for 5G Wireless Application","authors":"Sajjad Zohrevand, N. Komjani, Mohammad Amin Chaychizadeh","doi":"10.1109/MMWaTT58022.2022.10172116","DOIUrl":"https://doi.org/10.1109/MMWaTT58022.2022.10172116","url":null,"abstract":"In this paper, a multi-input multi-output (MIMO) spoof surface plasmon polariton (SSPP) leaky-wave metasurface is designed based on the holographic principle for the 5G frequency (28 GHz) range and its applications. For the SSPP leaky-wave antenna (LWA) to perform well with excitation from each input, it is necessary to simultaneously modulate the hologram surface in different directions. This hologram consists of hollow cross-bars metallic (HCB). Each HCB unit-cell has a period of λ0/5. The size of the proposed MIMO SSPP holographic LWA is $1.6 times 1.6lambda _0^2$. When designing by holographic method, we considered the reference wave as a planar wave and the object wave as quasi Omnidirectional. The realized gain of this proposed structure is about three dBi obtained. MATLAB and full-wave software have been used (CST Microwave Studio) for computer simulations.","PeriodicalId":166329,"journal":{"name":"2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123905993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Yagi-Uda Frequency Reconfigurable THz Graphene-Based Antenna Yagi-Uda频率可重构太赫兹石墨烯天线
2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2022-12-13 DOI: 10.1109/MMWaTT58022.2022.10172111
Fariba Ghasemzadeh, A. Pourziad
{"title":"Yagi-Uda Frequency Reconfigurable THz Graphene-Based Antenna","authors":"Fariba Ghasemzadeh, A. Pourziad","doi":"10.1109/MMWaTT58022.2022.10172111","DOIUrl":"https://doi.org/10.1109/MMWaTT58022.2022.10172111","url":null,"abstract":"In this paper, the parasitic array technique is used to increase the directivity of the rectangular graphene patch antenna. The maximum directivity of the proposed antenna is 9.33 dBi. In this case, a reconfigurable antenna is achieved by considering the tunability of the conductivity of the graphene. Changing the chemical potential of the parasitic array antenna results in the shifting of the operating frequency from 2.35 to 2.7 terahertz. In this design, the main lobe direction of the antenna does not change.","PeriodicalId":166329,"journal":{"name":"2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123320767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of rough surface diffused scattered field on shadow region in 150GHz for future 6G communication systems 未来6G通信系统中150GHz粗糙表面扩散散射场对阴影区的影响
2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2022-12-13 DOI: 10.1109/MMWaTT58022.2022.10172109
Sina Sheybani, A. A. Shishegar
{"title":"The effect of rough surface diffused scattered field on shadow region in 150GHz for future 6G communication systems","authors":"Sina Sheybani, A. A. Shishegar","doi":"10.1109/MMWaTT58022.2022.10172109","DOIUrl":"https://doi.org/10.1109/MMWaTT58022.2022.10172109","url":null,"abstract":"In this paper, a site-specific narrow-band indoor channel modeling in 150GHz is investigated. In THz Frequencies, the roughness of indoor materials including wall plaster, PVC and MDF can be in order of THz wavelength. So the effect of diffuse scattering from their surfaces must be considered for channel modeling. For this a full analysis of rough surface diffuse scattering with the method of moments (MoM) is investigated. We apply ray tracing algorithm to calculate power profile and effect of diffuse scattering in shadow region total field.","PeriodicalId":166329,"journal":{"name":"2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132602833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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