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2013 International Workshop on Antenna Technology (iWAT)最新文献

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Effects of pitch and ground plane size on monofilar metamaterial spiral antenna characteristics 节距和接地面尺寸对单丝超材料螺旋天线特性的影响
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518330
H. Nakano, J. Miyake, T. Sakurada, J. Yamauchi
{"title":"Effects of pitch and ground plane size on monofilar metamaterial spiral antenna characteristics","authors":"H. Nakano, J. Miyake, T. Sakurada, J. Yamauchi","doi":"10.1109/IWAT.2013.6518330","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518330","url":null,"abstract":"A monofilar rectangular metamaterial spiral (MTM SPA) is composed of a ground plane, a dielectric substrate, a conducting spiral arm with capacitors and inductors. The height of the spiral arm above the ground plane is extremely small: approximately 0.01 wavelength. The MTM SPA acts as a counter circularly-polarized radiation element (anti-CP radiation element). This paper discusses the effects of the pitch and the ground plane size on the antenna characteristics. The squint of the radiation is also discussed.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123045171","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: 2
A MIMO antenna for mobile applications 用于移动应用的MIMO天线
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518305
D. Wu, S. Cheung, T. Yuk, X. Sun
{"title":"A MIMO antenna for mobile applications","authors":"D. Wu, S. Cheung, T. Yuk, X. Sun","doi":"10.1109/IWAT.2013.6518305","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518305","url":null,"abstract":"A multiband Multiple-Input Multiple-Output (MIMO) antenna for mobile phones applications in the next generation is proposed. The proposed MIMO antenna consists of two identical elements, each having three branches to generate two frequency bands, a wide higher and narrow lower frequency bands. Simulation results show that these two frequency bands can cover the lower band for Long-Term Evolution (LTE), the DCS1800, PCS1900 and UMTS-2100 bands, the Wibro Band, the 2.4-GHz band for the WLAN system and also the upper band for the WiMAX. By cutting a slit on the printed circuit board (PCB) serving the ground plane, a great enhancement of isolation between the two antenna elements can be achieved for the two frequency bands.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121027211","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: 5
UWB antenna using offset feeding and slotted ground plane for on-body communications 使用偏置馈电和开槽接地平面的超宽带天线，用于体上通信
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518359
Y. Y. Sun, L. Liu, S. Cheung, T. I. Yuk
{"title":"UWB antenna using offset feeding and slotted ground plane for on-body communications","authors":"Y. Y. Sun, L. Liu, S. Cheung, T. I. Yuk","doi":"10.1109/IWAT.2013.6518359","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518359","url":null,"abstract":"An offset-fed Ultra-wideband (UWB) antenna with a slotted ground plane designed for on-body communications is presented in this paper. The antenna consists of a nearly square-shaped radiator, a feed line slightly offset from the middle along the radiator side and a ground plane with several rectangular slots. The offset feed line improves the radiation pattern for on-body communications and the slots on the ground plane improve impedance matching. Simulated and measured results are in good agreement in terms of S11, gain, efficiency and radiation pattern. Measured results show that the antenna can achieve a wide bandwidth from 2.4 to 14.5 GHz, a constant peak gain and high efficiency, and a more omnidirectional radiation pattern in E-plane, making it a good candidate for UWB on-body communications.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121081010","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
Comparison of two generations of textile MIMO antennas at IHF 两代纺织MIMO天线在IHF的比较
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518320
H. Shakhtour, J. Pamp, D. Heberling, G. Schellstede, H-Y Lee, C. Breckenfelder
{"title":"Comparison of two generations of textile MIMO antennas at IHF","authors":"H. Shakhtour, J. Pamp, D. Heberling, G. Schellstede, H-Y Lee, C. Breckenfelder","doi":"10.1109/IWAT.2013.6518320","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518320","url":null,"abstract":"A wearable textile antenna is a field of big interest and is getting more market [2]. Despite the simple idea and structure of such technology, some chapters are still open for further research, e.g. substrates, feeding, washing ability... etc. In this paper a comparison of two dual-polarized wearable textile antenna generations is introduced. Other than simulation and experimental results comparison, materials and production technology used will be also discussed, showing the advantages and disadvantages of these technologies. Both antennas have been developed to operate in the industrial, scientific and medical (ISM i.e. 2.4 GHz - 2.5 GHz) band [1]. The experimental and simulation results will be shown and compared to those achieved with an old version of this antenna.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126079778","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: 1
A planar dual-mode UWB antenna design for an indoor MIMO communication system 一种用于室内MIMO通信系统的平面双模超宽带天线设计
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518316
Y. L. Sit, Xuyang Li, L. Reichardt, Hao Liu, Ran Liu, T. Zwick
{"title":"A planar dual-mode UWB antenna design for an indoor MIMO communication system","authors":"Y. L. Sit, Xuyang Li, L. Reichardt, Hao Liu, Ran Liu, T. Zwick","doi":"10.1109/IWAT.2013.6518316","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518316","url":null,"abstract":"This paper presents the design of a planar UWB dual-mode antenna, which can radiate two orthogonal modes for data transmission through two subchannels simultaneously. An optimized theoretical radiation pattern has been synthesized for a typical indoor office scenario, and this is used as a basis to design a corresponding real world antenna. Since the antenna is expected to be used on a handheld device such as a cellphone or laptop, the antenna is required to be flat and sufficiently small.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123544387","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
Tuning field extinction by non-spherical plasmonic particles as nanoantennas 非球形等离子体粒子作为纳米天线的调谐场消光
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518309
M. Khosravi, R. Sadeghzadeh, M. S. Abrishamian
{"title":"Tuning field extinction by non-spherical plasmonic particles as nanoantennas","authors":"M. Khosravi, R. Sadeghzadeh, M. S. Abrishamian","doi":"10.1109/IWAT.2013.6518309","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518309","url":null,"abstract":"The concept of plasmonic nanoantennas is based on using nano-structures to confine light in nanometer scale. In this paper, we study the scattering property of ellipsoidal particles at optical frequencies. Numerical results illustrate how the Extinction Cross Section of ellipsoidal core-shelled nanostructures depends on shape and dimension. As a significant idea, the gradual transformation from sphere to ellipsoid has been considered. This alteration in symmetry has interesting results on tuning outputs.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122192098","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
Miniaturizing of a distributed MEMS impedance matching network 分布式MEMS阻抗匹配网络的小型化
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518353
Yi Chen, D. Manteuffel
{"title":"Miniaturizing of a distributed MEMS impedance matching network","authors":"Yi Chen, D. Manteuffel","doi":"10.1109/IWAT.2013.6518353","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518353","url":null,"abstract":"This paper shows a Micro-Electro-Mechanical-Systems (MEMS) impedance matching network based on a distributed MEMS transmission line (DMTL) for wireless communication devices operating in the frequency range from 1.8 GHz to 3.6 GHz. In the proposed design, the capacitive MEMS switches are periodically located on a meandered slow-wave (SW) structure, whose slow wave effect is analytically calculated to reduce the minimum operating frequency of the network. Using this demonstrated transmission line, the size of the impedance matching network is minimized while providing a good impedance matching performance in terms of impedance coverage on the Smith chart.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116823943","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: 2
79 GHz LTCC-integrated antennas 79 GHz ltcc集成天线
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518322
F. Bauer, W. Menzel
{"title":"79 GHz LTCC-integrated antennas","authors":"F. Bauer, W. Menzel","doi":"10.1109/IWAT.2013.6518322","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518322","url":null,"abstract":"LTCC has proven to be an excellent technology for high density integration of passive multilayer circuits; frequency of operation has been continuously increased and now is reaching the higher mm-wave range, for example for automotive radar sensor applications. This contribution presents design approaches for planar antennas in the 76 GHz to 81 GHz frequency range - a slotted synthetic waveguide antenna and a grid antenna array. Four chains of a grid antenna then are integrated on a single LTTC substrate with a SiGe four-channel radar MMIC to form a short-range automotive sensor (with a range of a few tens of meters).","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123371942","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
A surface-mountable 116-GHz transmitter with chip-to-antenna wire bond interconnect 一个表面安装的116 ghz发射机，芯片到天线的线键互连
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518302
S. Beer, C. Rusch, H. Gulan, W. Winkler, G. Kunkel, T. Zwick
{"title":"A surface-mountable 116-GHz transmitter with chip-to-antenna wire bond interconnect","authors":"S. Beer, C. Rusch, H. Gulan, W. Winkler, G. Kunkel, T. Zwick","doi":"10.1109/IWAT.2013.6518302","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518302","url":null,"abstract":"A packaging concept for a fully integrated millimeter-wave transceiver in a surface-mountable plastic package is presented. It integrates a Silicon Germanium chip with an off-chip antenna into a pre-molded air-cavity package. The chip and the antenna are interconnected by standard ball-stitch wire-bond technology. A 122-GHz antenna design is presented that allows integrating the antenna into a plastic chip package together with the semiconductor chip. Measurements of the antenna only, and of the antenna including the wire bond interconnect are given. Finally, a 116-GHz transmitter chip is integrated into a plastic package, together with a 116-GHz antenna. The radiation pattern of the integrated antenna is measured with a package lid, and with a dielectric lense that is used to focus the radiation pattern.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"6 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113956877","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: 3
Inkjet printed BST thick-films for x-band phase shifter and phased array applications 用于x波段移相器和相控阵应用的喷墨印刷BST厚膜
2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI: 10.1109/IWAT.2013.6518313
M. Nikfalazar, M. Sazegar, A. Friederich, C. Kohler, Y. Zheng, A. Wiens, J. Binder, R. Jakoby
{"title":"Inkjet printed BST thick-films for x-band phase shifter and phased array applications","authors":"M. Nikfalazar, M. Sazegar, A. Friederich, C. Kohler, Y. Zheng, A. Wiens, J. Binder, R. Jakoby","doi":"10.1109/IWAT.2013.6518313","DOIUrl":"https://doi.org/10.1109/IWAT.2013.6518313","url":null,"abstract":"This paper presents a novel method of inkjet printed Barium-Strontium-Titanate (BST) material for low-cost RF application. To demonstrate its capability in phased array antenna application, a compact continuously tunable load line phase shifter in the frequency range from 8 GHz to 10 GHz is realized. The BST thick-film is printed at the areas which interdigital capacitors are later patterned. A phase shift of 175° and the figure of merit (FoM) of 20° /dB at 10GHz are achieved. The size of the planer circuit is 8mm × 6mm.","PeriodicalId":247542,"journal":{"name":"2013 International Workshop on Antenna Technology (iWAT)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132439976","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: 9
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