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2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)最新文献

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Heterogeneous dielectrics in connected array analysis with CBFM 用CBFM分析连接阵列中的非均匀介电体
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738170
S. Hay
{"title":"Heterogeneous dielectrics in connected array analysis with CBFM","authors":"S. Hay","doi":"10.1109/APWC.2016.7738170","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738170","url":null,"abstract":"We describe the development of techniques for use in efficient analysis of array antennas containing both highly conducting and inhomogeneous or anisotropic dielectric parts. The techniques have application to extending the Characteristic Basis Function Method (CBFM) to apply to a class of connected patch array antennas that may include various construction materials.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129878390","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 a quasi-hemispherical UWB antenna 准半球形超宽带天线的设计
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738175
S. Zhekov, A. Tatomirescu, O. Franek, G. Pedersen
{"title":"Design of a quasi-hemispherical UWB antenna","authors":"S. Zhekov, A. Tatomirescu, O. Franek, G. Pedersen","doi":"10.1109/APWC.2016.7738175","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738175","url":null,"abstract":"This paper proposes a design of three-dimensional antenna for ultrawideband applications. The antenna has dimensions of 58 mm × 58 mm × 76.5 mm and is composed of two identical arms. Each arm consists of a hollow quasi-hemisphere and an inner for it tube. In the simulation, a 50 Ω coaxial cable is employed to feed the antenna in order to assess the change of the antenna performance due to the cable effect. The simulated results show that the antenna is capable of operating in the frequency band from 7 to 32.5 GHz with S11 below -10 dB, while maintaining an omnidirectional radiation pattern. The simulated total efficiency is above 88 % over the entire impedance bandwidth which indicates a good antenna performance. The realized gain varies from 0.8 to 3.1 dBi with frequency.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128527893","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 design of bi-directional and low-profile antenna using microstrip element
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738126
T. Fukusako, Yuki Ogata
{"title":"A design of bi-directional and low-profile antenna using microstrip element","authors":"T. Fukusako, Yuki Ogata","doi":"10.1109/APWC.2016.7738126","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738126","url":null,"abstract":"A low profile antenna using microstrip element that has vertical polarization and bi-directional beam pattern is designed and measured. Vertically polarized antennas have been used in various applications such as mobile stations. However, the dimension tends to be high as like monopole antennas. Capacitive-disk loading is a well-known technique, however, such antennas have still omnidirectional radiation pattern. In some applications, omnidirectional radiation pattern is not necessary but relatively high gain is required. Furthermore, using low-profile antennas are required, for especially car, from a view point of design. In this paper, the authors would like to propose a low-profile monopole antenna with bi-directional radiation patterns having a simple structure. The proposed antenna consists of a microstrip element and capacitive patch-loaded monopole antenna. Furthermore, the design process of the antenna is also presented in this paper. The proposed antenna resonating at 10 GHz were fabricated and measured. As a result, the proposed model has the desired frequency besed on the design process discussed and bi-directional beam patterns. The proposed antenna has only about 3.2mm thickness and an antenna gain of 4.3 dBi at 10 GHz. However, some side-lobes still exist in the radiation pattern. We would like to present some additional idea for solving this problem. Probably the design and the mechanism is unique and interesting even though the structure is simple.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130931204","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
Wireless vital radio sensor using Maximum Entropy Method 基于最大熵法的无线生命无线电传感器
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738139
E. Tsutsumi, A. Kajiwara
{"title":"Wireless vital radio sensor using Maximum Entropy Method","authors":"E. Tsutsumi, A. Kajiwara","doi":"10.1109/APWC.2016.7738139","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738139","url":null,"abstract":"Health monitoring is an important issue in recent aging society and is especially required at-home and at care facilities. Stepped-FM UWB sensor has recently attracted considerable attention for Wireless health monitoring since it obtains range profiles which has high range resolution. In this paper, the measurement scheme using a stepped-FM UWB sensor is suggested. Also, this scheme has problem that the estimation accuracy of spectrum analysis. This paper suggests Maximum Entropy Method (MEM) for the spectrum analysis. It offers the high spectrum resolution and accuracy, although it doesn't many samples of data. We investigated the accuracy and performance by the measurements which were conducted various scenarios.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120994467","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
Capacitive loading radiating element for reconfigurable reflectarray at Ku-band ku波段可重构反射射线的容性负载辐射元件
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738156
M. Ramli, N. Misran, M. F. Mansor, M. Islam
{"title":"Capacitive loading radiating element for reconfigurable reflectarray at Ku-band","authors":"M. Ramli, N. Misran, M. F. Mansor, M. Islam","doi":"10.1109/APWC.2016.7738156","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738156","url":null,"abstract":"A single-layer linearly polarized reflectarray element namely Concentric Circle Square Ring (CCSR) for Ku-band is presented in this paper. The adjustment of the reflected phase of the reflectarray element via variable capacitive loading which is realised by connecting the two rings with varactor diode. By using the full-wave EM field simulator-CST, simulation of the single element to perform exact measurement in standard waveguide were obtained. The measurement indicates that the element with attachment of varactor diode has good capability of changing the reflection phase between 0 to 20 V supplied to the diode.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132523055","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
Performance of a 2-layer radial hole effective media lens 两层径向孔有效介质透镜的性能
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738149
D. Gray, N. Nikolic, J. Thornton
{"title":"Performance of a 2-layer radial hole effective media lens","authors":"D. Gray, N. Nikolic, J. Thornton","doi":"10.1109/APWC.2016.7738149","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738149","url":null,"abstract":"The outer polyethylene layer of a 8λ0 radius 2-layer polyethylene/cross-linked polystyrene lens was implemented as a radial hole effective media that allows the entire lens to be milled from a single billet of cross-linked polystyrene, simplifying construction by avoiding layer fitting problems. Full wave simulations in a commercially available simulator showed that increasing the number of radial holes to 3000 gave peak directivity within 0.3dB of the original cross-linked polystyrene/polyethylene lens. Both Particle Swarm Optimization and icosahedron based methods were trialed for distributing the holes evenly over the sphere. The latter method produced symmetrical meshes allowing symmetry planes to be used to minimize computational burden, but was bound to the numbers of holes produced by successive triangular face subdivision iterations.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115770890","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
Antenna system for nano-satelite mission GOMX-3 GOMX-3纳米卫星任务天线系统
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738178
A. Tatomirescu, G. Pedersen, J. Christiansen, D. Gerhardt
{"title":"Antenna system for nano-satelite mission GOMX-3","authors":"A. Tatomirescu, G. Pedersen, J. Christiansen, D. Gerhardt","doi":"10.1109/APWC.2016.7738178","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738178","url":null,"abstract":"In this paper, we present the antenna design for a nano-satellite mission launched in September, the GOMX-3 mission. Some of the key design challenges are discussed and the chosen solutions are presented. In an effort to minimize development and manufacturing costs for future missions, this study shows how to modify off the shelf components in order to tailor them to the specifications of the mission at hand. The performance of the antenna is increased by up to 1.4 dB with a simple modification to adjust the resonance frequency. The antenna system's performance is investigated through simulation and measurement and the results indicate that the design meets specification requirements.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124029678","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
A Dual-frame microstrip antenna with four-bridge feeding control for CNSS applications 用于CNSS应用的带四桥馈电控制的双框架微带天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738141
B. You, J. Huang, Y. Shang, B. Hu, J. H. Zhou
{"title":"A Dual-frame microstrip antenna with four-bridge feeding control for CNSS applications","authors":"B. You, J. Huang, Y. Shang, B. Hu, J. H. Zhou","doi":"10.1109/APWC.2016.7738141","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738141","url":null,"abstract":"This letter presents a dual-band and circular polarization microstrip antenna, with a dual-frame patch and slots loaded on its external sides. Based on the multimode resonant theory, a dual-band operation at 1.616 GHz and 2.492 GHz for CNSS applications is realized by the capacity coupling between the frames inside and outside through four-arm conductive bridges. The perturbation is introduced in different directions of the proposed dual-frame structure to achieve dual-hand circular polarization. In addition, the radiation efficiency and gain of the designed antenna are improved and balanced by the suppression of high-order harmonics, due to an EBG defect loaded in the ground plane. The simulation and measurement of the dual-frame microstrip antenna agree well, and the results show good performances.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123763086","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
Demonstration of a highly efficient seawater antenna 一种高效海水天线的演示
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738117
S. Akimoto, T. Yanagi, T. Fukasawa, H. Miyashita
{"title":"Demonstration of a highly efficient seawater antenna","authors":"S. Akimoto, T. Yanagi, T. Fukasawa, H. Miyashita","doi":"10.1109/APWC.2016.7738117","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738117","url":null,"abstract":"Seawater can be used as an antenna element because of its relatively high electrical conductivity. It can operate as a monopole antenna by squirting the seawater into the air and feeding. Moreover it has the advantages of being dynamic and reconfigurable. This paper reports the design of an efficient feeding structure for a seawater antenna. The viability of this seawater antenna is confirmed by a demonstration of receiving digital terrestrial broadcasts.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131201351","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: 4
Intra-vehicle wireless harness with mesh-networking 带网状网络的车内无线线束
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738142
I. Takayama, A. Kajiwara
{"title":"Intra-vehicle wireless harness with mesh-networking","authors":"I. Takayama, A. Kajiwara","doi":"10.1109/APWC.2016.7738142","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738142","url":null,"abstract":"Recently there has been tremendous growth for intra-vehicle electronics technology with the advent of intelligent transport systems (ITS) society. Along with it, the weight of vehicle tends to increase with the increment of ECU and distribution cable. It causes to degrade the fuel efficiency and makes the repair and test difficult. It is therefore required to decrease the cable weigh and to ease the maintenance/repair. To solve these problems, wireless data transmission, so called wireless harness, has been suggested instead of the wire cable. However, there is significant propagation degradation within vehicle because of its hollow metallic body. In this paper, measurements using UWB-IR have been conducted for various antenna locations and the results are discussed.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129991104","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
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