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2012 IEEE International Workshop on Antenna Technology (iWAT)最新文献

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CPW fed 2 × 2 patch array for D-band System-in-Package applications 用于d波段系统级封装应用的CPW馈电2x2贴片阵列
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178399
H. Gulan, S. Beer, S. Diebold, P. Pahl, B. Goettel, T. Zwick
{"title":"CPW fed 2 × 2 patch array for D-band System-in-Package applications","authors":"H. Gulan, S. Beer, S. Diebold, P. Pahl, B. Goettel, T. Zwick","doi":"10.1109/IWAT.2012.6178399","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178399","url":null,"abstract":"A 2×2-patch array for System-in-Package radar sensors at 122 GHz is presented in this paper. The antenna is realized on a 127 μm thick Alumina substrate and fed by a coplanar-waveguide (cpw) which allows direct attachment to a monolithic millimeter-wave integrated circuit (MMIC) as well as a probe-based measurement of the antenna. The design of the microstrip-fed patch array itself and the cpw-to-microstrip transition are explained. Measured results of gain, radiation pattern and return loss are presented, showing good agreement to simulation.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"97 1","pages":"64-67"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81750834","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: 7
Performance enhancement of nulling antennas by utilizing the concept of multiplicative array 利用乘阵的概念增强零天线的性能
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178396
Lili Xu, Qingqing Song, Xinbo Wang, J. Huangfu, L. Ran
{"title":"Performance enhancement of nulling antennas by utilizing the concept of multiplicative array","authors":"Lili Xu, Qingqing Song, Xinbo Wang, J. Huangfu, L. Ran","doi":"10.1109/IWAT.2012.6178396","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178396","url":null,"abstract":"In this paper, we propose a beam forming architecture for improving the power-inversion algorithm that is most commonly used in nulling antenna systems. To prevent the possible degradation of the original gain of a nulling antenna in the circumstance when there exists strong interference, we multiplex the received signals from the physical radiation elements in digital domain with a power-inversion array (PIA) and a primitive array (PA), and then form the desired radiation pattern by multiplying the outputs from PIA and PA, to obtain expected narrow nulls in the directions of the interference and in the meantime roughly maintain the original gain and the beam shape of the main lobe. Simulation fits well with the analysis, showing the effectiveness of the proposed approach.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"52 1","pages":"52-55"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83880975","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
Employment of non-Foster active loads to improve the operation bandwidth of SRR loaded monopole antennas 利用非福斯特有源负载提高SRR负载单极天线的工作带宽
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178668
M. Barbuto, A. Monti, F. Bilotti, A. Toscano
{"title":"Employment of non-Foster active loads to improve the operation bandwidth of SRR loaded monopole antennas","authors":"M. Barbuto, A. Monti, F. Bilotti, A. Toscano","doi":"10.1109/IWAT.2012.6178668","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178668","url":null,"abstract":"In this contribution, we theoretically and numerically show that the operation bandwidth of an electrically small SRR loaded monopole antenna can be improved by using non-Foster active elements connected to the external gap of the SRR. The circuit implementation of the required non-Foster load in the VHF frequency band, as well as the stability analysis of the whole active component are also presented and discussed.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"41 1","pages":"285-288"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90209303","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
60 GHz AMC antennas in multi-processor multi-chip data transmission 60ghz AMC天线在多处理器多芯片中的数据传输
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178639
Ho-Hsin Yeh, N. Hiramatsu, K. Melde
{"title":"60 GHz AMC antennas in multi-processor multi-chip data transmission","authors":"Ho-Hsin Yeh, N. Hiramatsu, K. Melde","doi":"10.1109/IWAT.2012.6178639","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178639","url":null,"abstract":"This paper mainly discusses the preliminary design of 60GHz antennas utilized in the multi-chip multi-core (MCMC) architecture. The antenna is designed with the low temperature co-fired ceramic (LTCC) fabrication process and the stacked via is selected as the vertical feeding. The designed antenna on the artificial magnetic conductor (AMC) demonstrates the high efficiency, impedance matching and enhanced end-fire radiation capabilities with the surface wave on the ground shielded conducting structures.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"183 2","pages":"173-176"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91476593","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
QFN based packaging concepts for millimeter-wave transceivers 基于QFN的毫米波收发器封装概念
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178680
T. Zwick, S. Beer
{"title":"QFN based packaging concepts for millimeter-wave transceivers","authors":"T. Zwick, S. Beer","doi":"10.1109/IWAT.2012.6178680","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178680","url":null,"abstract":"This paper introduces the idea of a low-cost surface-mountable millimeter-wave radar sensor. Different packaging topologies are compared with the potential of integrating the whole radar frontend together with the antennas into a single QFN package. The pros and cons of the different packaging concepts are discussed and finally, a 120 GHz off-chip antenna design for integration into a QFN package and its measurements are presented.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"205 1","pages":"335-338"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77043368","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: 11
Planar antennas on Integrated Passive Device technology for biomedical applications 面向生物医学应用的平面天线集成无源器件技术
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178651
O. Diop, F. Ferrero, A. Diallo, G. Jacquemod, C. Laporte, H. Ezzeddine, C. Luxey
{"title":"Planar antennas on Integrated Passive Device technology for biomedical applications","authors":"O. Diop, F. Ferrero, A. Diallo, G. Jacquemod, C. Laporte, H. Ezzeddine, C. Luxey","doi":"10.1109/IWAT.2012.6178651","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178651","url":null,"abstract":"In this paper, we present the design of electrically small antennas for biomedical application at 2.4 GHz. Performance of two different antennas built using the Integrated Passive Devices (IPD) technology from STMicroelectronics is investigated. Two monopoles miniaturized with the meandered technique are studied. Their quality factor Qz is calculated from their input impedance and compared with the quality factor limits for planar antennas given by Gustafsson. Therefore, we determine which configuration offers the best trade-off between radiation efficiency and quality factor Qz.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"67 1","pages":"217-220"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83849912","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: 6
An UWB planar inverted-F antenna for wireless applications 一种用于无线应用的超宽带平面倒f天线
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178415
H. Chattha, M. Ishfaq, Y. Huang, S. Boyes
{"title":"An UWB planar inverted-F antenna for wireless applications","authors":"H. Chattha, M. Ishfaq, Y. Huang, S. Boyes","doi":"10.1109/IWAT.2012.6178415","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178415","url":null,"abstract":"The planar inverted-F antenna (PIFA) is widely used in mobile and portable radio systems due to its excellent features. However, it is not yet employed as an ultra wide band antenna because it was considered a narrowband antenna. This paper introduces an ultra wideband planar inverted-F antenna based on three techniques, which are (a) changes in the widths of feed and shorting plates, (b) addition of an inverted-L shaped parasitic element and (c) addition of a rectangular parasitic element. It is shown that ultra wideband PIFAs with fractional bandwidth of more than 100 % is achieved covering from 3.4 GHz to 10.7 GHz. Simulated and measured results are provided to verify the conclusion.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"104 1","pages":"128-131"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74442290","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
Antenna technology: Past, present and future 天线技术:过去、现在和未来
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178384
C. Balanis
{"title":"Antenna technology: Past, present and future","authors":"C. Balanis","doi":"10.1109/IWAT.2012.6178384","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178384","url":null,"abstract":"The evolution of antenna technology is reviewed, from the days of Marconi to the present. Various periods over which antenna technology has been revitalized are reviewed, and the various antenna configurations developed during those periods are summarized along with some of their respective key characteristics. The history starts at the beginning of the 20th century and the respective technologies developed in the decades that follow are identified. Individuals that played a key role, especially during the early stages of antenna technology, are identified. Future trends and needs are speculated. Key technologies that will contribute to future advancements are identified and will be presented at the conference.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"7 1","pages":"5-7"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72953141","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
Flexible textile antennas for body-worn communication 用于身体穿戴式通信的柔性纺织天线
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178647
Zheyu Wang, Lanlin Zhang, D. Psychoudakis, J. Volakis
{"title":"Flexible textile antennas for body-worn communication","authors":"Zheyu Wang, Lanlin Zhang, D. Psychoudakis, J. Volakis","doi":"10.1109/IWAT.2012.6178647","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178647","url":null,"abstract":"This paper presents an embroidered body-worn antenna using conductive fibers (E-fibers). The antenna's conductive surfaces were fabricated using precise and automated embroidering techniques to produce fully flexible and conformal antenna elements attached to regular fabrics and clothing. These E-fiber antennas offer desirable mechanical properties without undermining electrical performance for body-worn, on-clothing applications at radio frequencies (RF). In this study, we used an embroidered asymmetric meandered flare (AMF) dipole antenna to validate the textile antenna's performance. Its excellent RF performance was found comparable to conventional printed antennas. Therefore, these new E-fiber antennas may be integrated into scarves, handbags, shirts, coats or hand bands for convenient carefree health monitoring and wideband communications.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"66 1","pages":"205-208"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86021048","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: 60
A very small novel patch antenna design for WLAN application 一个非常小的新颖贴片天线设计用于WLAN应用
2012 IEEE International Workshop on Antenna Technology (iWAT) Pub Date : 2012-03-05 DOI: 10.1109/IWAT.2012.6178663
M. S. Zulkefli, F. Malek, M. Jamlos, K. Juni, M. S. Idris, M. I. M. Saleh, M. H. Mat, S. Ronald
{"title":"A very small novel patch antenna design for WLAN application","authors":"M. S. Zulkefli, F. Malek, M. Jamlos, K. Juni, M. S. Idris, M. I. M. Saleh, M. H. Mat, S. Ronald","doi":"10.1109/IWAT.2012.6178663","DOIUrl":"https://doi.org/10.1109/IWAT.2012.6178663","url":null,"abstract":"In this paper, a very small 2.45 GHz printed antenna suitable for WLAN application is proposed. In order to decrease the size of the antenna, multi-layer substrate and shorting plate method are used. A microstrip line which can lead to a good impedance matching and four pairs of slot are used to obtain acceptable value of return loss at the desired frequency. These techniques are used as a mean that they can be applied in this antenna design and also can give an effect on the antenna characteristics. This antenna shows an omni-directional radiation pattern similar to that of a monopole antenna.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"37 1","pages":"265-268"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88599786","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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