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2014 International Symposium on Antennas and Propagation Conference Proceedings最新文献

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Integration of resonant coil and antenna for wireless power transfer and data telemetry 用于无线电力传输和数据遥测的谐振线圈和天线的集成
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026802
Dong-Wook Seo, Jae-Ho Lee, Hyung-Soo Lee
{"title":"Integration of resonant coil and antenna for wireless power transfer and data telemetry","authors":"Dong-Wook Seo, Jae-Ho Lee, Hyung-Soo Lee","doi":"10.1109/ISANP.2014.7026802","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026802","url":null,"abstract":"In this study, the Rx resonant coil for the wireless power transfer (WPT) operating at 13.56 MHz is integrated with the antenna for the medical communications service (MICS) band communications. They shares the PCB area of a narrow bar-type shape; the coil has outer current path of the substrate and the meandered planar inverted-F antenna (PIFA) is designed to be located inside the coil. To verify the potentials of the proposed structure, a prototype is fabricated and tested in air and in vitro. The power transfer efficiency (PTE) of about 20% at 15 mm distance and antenna gain of roughly -40 dBi are obtained.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134243065","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
Design of a 60GHz RLSA for compact range applications 设计60GHz RLSA，用于紧凑范围应用
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026609
Tung Nguyen, J. Hirokawa, M. Ando, M. S. Castañer
{"title":"Design of a 60GHz RLSA for compact range applications","authors":"Tung Nguyen, J. Hirokawa, M. Ando, M. S. Castañer","doi":"10.1109/ISANP.2014.7026609","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026609","url":null,"abstract":"The design of a 60GHz Radial Line Slot Antenna (RLSA) for compact range communications is discussed in this paper. A taper window was investigated and applied for a uniformly illuminated circular aperture in order to create a uniform field in a specified receiving zone. Predicted results show a good uniformity up to a few meters in the propagation distance, and on a receiving horizontal plane as large as the antenna aperture. A 20cm diameter RLSA prototype was fabricated based on the proposed taper design, and its measured results partly support our predictions.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122918252","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
Fully textile slot linear array antenna with curvature and crumple analysis 全纺织槽线阵天线的曲率和皱折分析
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026631
M. A. Majid, M. Rahim, N. Murad, N. Samsuri, N. A. Elias, M. H. Mokhtar
{"title":"Fully textile slot linear array antenna with curvature and crumple analysis","authors":"M. A. Majid, M. Rahim, N. Murad, N. Samsuri, N. A. Elias, M. H. Mokhtar","doi":"10.1109/ISANP.2014.7026631","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026631","url":null,"abstract":"This paper presented the investigation of wearable textile slot linear array (TSLA) antenna under flat, curvature and crumple conditions in free space designed for body worn communication application. The antenna substrate is made of 0.78 mm denim fabric with conducting monopole and ground plane is made of 0.17 mm shieldit fabric. The antenna is designed at resonant frequency of 2.45 GHz Industrial Scientific Medical (ISM) band. Simulated results show that the antenna curve and crumple significantly detuned the antenna resonance frequency and altered the antenna radiation pattern while decreased realized gain value.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123936783","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 MIMO LTE antenna system with decoupling elements for smart phone application 一种用于智能手机的MIMO LTE天线解耦系统
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026791
Shih-Chi Lai, Ying-Hwei Li, Chia-Lun Tang
{"title":"A MIMO LTE antenna system with decoupling elements for smart phone application","authors":"Shih-Chi Lai, Ying-Hwei Li, Chia-Lun Tang","doi":"10.1109/ISANP.2014.7026791","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026791","url":null,"abstract":"A MIMO LTE antenna system with decoupling elements for smart phone application is presented in this paper. The MIMO LTE antenna system consists of two coupling-fed antennas and two decoupling elements that all assembly on a smart phone PCB board. The proposed main and diversity LTE antennas are respectively located on the top and bottom of PCB board with the same size. Both main and diversity antennas radiation efficiency all can reach 40% above and can cover 700/850/900/1800/1900/2100/2300/2500 bands requirement. Two decoupling elements are respectively located along the two vertical sides of PCB board. By suitable arrangement and design, the isolation can keep under -10 dB and the envelope correction coefficient (ECC) performance less than 0.5 between main and diversity LTE antennas. All simulation data had been simulated by SEMCAD software tool [1], the measured results are shown to illustrate the decoupling elements can effective achieve higher isolation capabilities of the proposed antenna structure.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"320 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124534348","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
Study of channel capacity improvement by open loop active propagation control 开环主动传播控制提高信道容量的研究
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026556
K. Kamohara, H. Iwai, H. Sasaoka
{"title":"Study of channel capacity improvement by open loop active propagation control","authors":"K. Kamohara, H. Iwai, H. Sasaoka","doi":"10.1109/ISANP.2014.7026556","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026556","url":null,"abstract":"By changing the propagation characteristics of the environment actively in some ways, we can obtain the better transmission performance of wireless communication channel. We call such method “Active Propagation Control” (APC). In this paper, we analyze the improvement effect of the transmission performance by APC in the case where the propagation characteristics are continually changed without any feedback from the receiver for the purpose of reducing the spatial dependency of the transmission characteristics caused by multipath fading. We change the indoor propagation characteristics by rotating a metal plate in a room and evaluate the changes of the characteristics by two-dimensional FDTD analysis. In the evaluation the improvement of SISO and MIMO channel capacity by APC is shown.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121170369","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
Design of implantable rectangular spiral antenna with U-shaped loop for biomedical applications 医用u型环形可植入矩形螺旋天线的设计
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026762
Jae-Ho Lee, Dong-Wook Seo, Hyung-Soo Lee
{"title":"Design of implantable rectangular spiral antenna with U-shaped loop for biomedical applications","authors":"Jae-Ho Lee, Dong-Wook Seo, Hyung-Soo Lee","doi":"10.1109/ISANP.2014.7026762","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026762","url":null,"abstract":"In this study, an implantable rectangular spiral antenna with U-shaped loop is designed for medical biotelemetry in the medical implant communication service (MICS) frequency band (402-405 MHz). To verify the potentials of the antenna for the desired applications, a prototype is fabricated and measurement of its performance is carried out in terms of the resonant characteristics and gain radiation patterns. The measured resonant characteristics show good agreement with the predictions, and the -10 dB frequency band is within the range of 398 to 420 MHz. The antenna exhibits a maximum gain of -22.26 dBi and efficiency of 0.215 % in measurement.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121445859","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
ZigBee wireless sensor network for surface drainage monitoring and flood prediction ZigBee无线传感器网络用于地表排水监测和洪水预测
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026695
K. Chan, C. Cheang, Wai‐Wa Choi
{"title":"ZigBee wireless sensor network for surface drainage monitoring and flood prediction","authors":"K. Chan, C. Cheang, Wai‐Wa Choi","doi":"10.1109/ISANP.2014.7026695","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026695","url":null,"abstract":"A Wireless Sensor Network (WSN) based on the ZigBee is proposed and implemented for the water level detection based on the range scanning using ultrasonic sensor and aim to provide flood prediction. The built sensor nodes reports <; 0.52% average error for the distance test within 0.20m to 4.00m. All prototype sensor nodes in this work are powered up by a single standard 3.70V battery and least for operation of ~100 days. Such water level detection capability enables the application of surface drainage monitor and flood detection with simple data analysis approaches. An experiment is setup with variable flow-in water and drainage simultaneously to verify performance of water level detection and demonstrate the flood prediction capability.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"223 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128617433","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: 10
A reconfigurable antenna using fluorescent lamps 使用荧光灯的可重构天线
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026544
T. Yamamoto, Takehiko Kobayashi
{"title":"A reconfigurable antenna using fluorescent lamps","authors":"T. Yamamoto, Takehiko Kobayashi","doi":"10.1109/ISANP.2014.7026544","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026544","url":null,"abstract":"Plasma in a discharge tube, such as a fluorescent lamp, conducts electric current below a plasma frequency, and therefore can be used as an antenna element. This paper describes a reconfigurable antenna by combining a quarter-wavelength monopole on a ground plane and an array of U-shaped fluorescent lamps surrounding the monopole. The lamps configure as a square cylinder. When the lamps on adjacent two planes among the square cylinder are switched on, these lamps function as a square corner reflector; and when the lamps on a plane and approximately halves of its adjacent two planes are switched on, these function as a trough (C-shaped) reflector. These configurations yield a 8-multibeam, directional antenna. On the other hand, when all the lamps are switched off, this antenna is omnidirectional. An inexpensive reconfigurable antenna was realized by selecting the lamps to be switched on/off. Absolute gains measured with a prototype antenna were approximately 8.2-9.3 dBi when directional and 1.1-2.3 dBi when omnidirectional. Transient time between the different directivities was found approximately 60 ms, corresponding to the thermal time constant of hot cathodes of fluorescent lamps.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115940848","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
Efficient white space boundary estimation with heterogeneous types of sensors 基于异构类型传感器的高效空白边界估计
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026583
I. Kanno, K. Horihata, Akio Hasegawa, T. Maeyama, Y. Takeuchi
{"title":"Efficient white space boundary estimation with heterogeneous types of sensors","authors":"I. Kanno, K. Horihata, Akio Hasegawa, T. Maeyama, Y. Takeuchi","doi":"10.1109/ISANP.2014.7026583","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026583","url":null,"abstract":"This paper proposes a novel framework for white space (WS) boundary estimation which utilizes heterogeneous types of sensors. The proposed framework utilizes sensors not for spectrum sensing, but for estimating the propagation parameters that characterize the boundary to the incumbent radio systems (IRSs) to identify WS efficiently. The position of IRS emitter (transmission source), its transmission power, and pathloss around it are estimated to identify the boundary from collected sensing data. The former 2 parameters and latter one are estimated with sparsely deployed long-range sensors and densely deployed low-end small sensors, respectively. In addition, its result of preliminary feasibility study is described.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116652053","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
Pattern reconfigurable slot antenna with broadband operation 带宽带操作的模式可重构槽天线
2014 International Symposium on Antennas and Propagation Conference Proceedings Pub Date : 2014-12-01 DOI: 10.1109/ISANP.2014.7026797
Yan-Hua Chen, J. Row
{"title":"Pattern reconfigurable slot antenna with broadband operation","authors":"Yan-Hua Chen, J. Row","doi":"10.1109/ISANP.2014.7026797","DOIUrl":"https://doi.org/10.1109/ISANP.2014.7026797","url":null,"abstract":"A pattern reconfigurable design using a single-feed slot antenna is presented. Several PIN diodes are embedded into the ground plane, and by controlling the states of the diodes, the antenna structure can be worked as a 0.5 λ slot antenna and a 0.75 λ monopole slot antenna. A prototype is designed to give three different radiation modes in the H-plane, and these modes can respectively generate an omnidirectional pattern and two unidirectional patterns with reversed main-beam directions. Experimental results indicate that the omnidirectional mode has a gain variation of about 6 dB across all azimuthal angles and the unidirectional mode has a front-to-back ratio of higher than 10 dB. In addition, the working bandwidth of the reconfigurable antenna is more than 15 %.","PeriodicalId":354277,"journal":{"name":"2014 International Symposium on Antennas and Propagation Conference Proceedings","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114277840","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
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