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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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UWB elliptically-tapered antipodal Vivaldi antenna for microwave imaging applications 微波成像用超宽带椭圆锥形对映维瓦尔第天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738131
M. Moosazadeh, S. Kharkovsky, Z. Esmati, B. Samali
{"title":"UWB elliptically-tapered antipodal Vivaldi antenna for microwave imaging applications","authors":"M. Moosazadeh, S. Kharkovsky, Z. Esmati, B. Samali","doi":"10.1109/APWC.2016.7738131","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738131","url":null,"abstract":"An elliptically-tapered antipodal Vivaldi antenna with operating frequency range from 1.65 GHz - 18 GHz designed for microwave imaging applications is presented. It includes comb-shaped slits and opening elliptical rate of top and bottom radiators to lower frequency band limitation of conventional antipodal Vivaldi antenna. It is shown that the antenna gain has been increased by comb-shaped slits at lower frequencies up to 9.5 dBi at 2 GHz and at higher frequencies up to 14.2 dBi at 18 GHz. Feasibility of the proposed antenna for the use in microwave imaging technique is also demonstrated.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"128 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":"124437957","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
A dual-band single-feed circularly polarized microstrip patch antenna with a cross slot 带交叉槽的双频单馈圆极化微带贴片天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738127
M. Matsunaga
{"title":"A dual-band single-feed circularly polarized microstrip patch antenna with a cross slot","authors":"M. Matsunaga","doi":"10.1109/APWC.2016.7738127","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738127","url":null,"abstract":"A double-band circularly polarized (CP) antenna for a novel radio-frequency identification (RFID) system using a wireless power transmission (WPT) technology is presented. Although the presented antenna is a thin lightweight circular microstrip patch antenna with one port, it radiates wide beam CP waves at two RFID frequency bands, 920 MHz and 2.45 GHz. Therefore, the antenna can be applied not only to a double-band RFID system but also a new RFID system being booted up by WPT energy.","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":"129827884","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
An optimum design of low-profile ultra-wideband HF skeletal wire duoconical monopole antenna with parasitic grounded poles 寄生接地极的低轮廓超宽带HF骨架线十二指肠单极天线的优化设计
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738173
X.L. Zhang, Huotao Gao, Q.C. Zhang
{"title":"An optimum design of low-profile ultra-wideband HF skeletal wire duoconical monopole antenna with parasitic grounded poles","authors":"X.L. Zhang, Huotao Gao, Q.C. Zhang","doi":"10.1109/APWC.2016.7738173","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738173","url":null,"abstract":"This paper presents a low profile ultra-wideband HF skeletal wire duoconical monopole antenna with parasitic grounded poles, which is then optimally designed using an efficient tool called charge and current marching-on-in-time (CCMOT) algorithm for analyzing thin-wire antennas together with the genetic algorithm (GA). As a result, an ultra-wideband HF antenna working between 7.5MHz and 25MHz is obtained, which is only less than one-fifth maximum wavelength high and composed of five wires and five grounded poles. Its VSWR in the whole frequency band is no more than 2.5 and the computed gain is above 0dBi when erected on a real ground through a metal grid ground screen. The design in the paper is of great significance to the HF communication or multi-band HF surface wave radar.","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":"130626996","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
Wireless power transmission inside reinforced concrete slab using a resonant antipodal Vivaldi antenna 利用对映维瓦尔第天线在钢筋混凝土板内进行无线电力传输
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738135
Z. Esmati, S. Kharkovsky, B. Samali
{"title":"Wireless power transmission inside reinforced concrete slab using a resonant antipodal Vivaldi antenna","authors":"Z. Esmati, S. Kharkovsky, B. Samali","doi":"10.1109/APWC.2016.7738135","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738135","url":null,"abstract":"In this paper the results of the investigation into wireless power transmission in a concrete slab reinforced by metal bars (rebars) are presented. For this purpose a two-antenna setup including a resonant antipodal Vivaldi antenna as a transmitting antenna and a resonant microstrip patch antenna as a receiving antenna embedded in the concrete slab are designed and applied at 2.45 GHz. The influence of the presence of the slab and rebars, and size of mesh period of rebars on the reflection and transmission coefficients of the slab is studied. It is shown that the proposed two-antenna setup can provide effective power transmission in the concrete slab if localization and polarization of antennas with respect to rebars are optimized.","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":"122339240","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
Wideband circularly polarized slot coupled metasurface-based array antenna 宽带圆极化槽耦合超表面阵列天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738105
S. Ta, I. Park
{"title":"Wideband circularly polarized slot coupled metasurface-based array antenna","authors":"S. Ta, I. Park","doi":"10.1109/APWC.2016.7738105","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738105","url":null,"abstract":"We present a 2 × 2 element array based on circularly polarized (CP) metasurface-based antennas fed by a sequential phase network. The single element consists of a microstrip-line-fed slot antenna coupled to a metasurface having 4 × 4 truncated corner square patches. The proposed array, with an overall size of 50 mm × 50 mm × 2.032 mm, resulted in an impedance bandwidth of 7.5 - 11.0 GHz (37.84%) for |S11| <; -10 dB and a CP radiation bandwidth of 8.4 - 10.7 GHz (24.1%) for axial ratio <; 3. In addition, the antenna yielded a broadside left-hand CP radiation with a peak gain of 13.7 dBic and radiation efficiency greater than 90% within the CP radiation bandwidth.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"26 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":"116693227","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
Investigation on the reactance loading and EM coupling feed for a design of a dual frequency planar antenna 双频平面天线设计中电抗加载与电磁耦合馈电的研究
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738110
K. Kagoshima, M. Uchida, S. Takeda, M. Umehira
{"title":"Investigation on the reactance loading and EM coupling feed for a design of a dual frequency planar antenna","authors":"K. Kagoshima, M. Uchida, S. Takeda, M. Umehira","doi":"10.1109/APWC.2016.7738110","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738110","url":null,"abstract":"We investigate the design method for a compact antenna composed of an exciting loop and parasitic loops which are electromagnetically coupled for a dual frequency operation. First, we presented a useful formula for determining the reactance load which makes the parasitic loop to be resonant or nearly resonant. Electromagnetic coupling mechanism were analyzed by using impedance matrix between antenna elements and design formulas for adjusting impedance matrix elements were also presented. Based on the presented formulas, the prototype planar antenna printed on a FR-4 PCB was fabricated and the comparison between calculated and measured results ensured the validity of the design method.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"16 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":"133318416","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
Time and frequency domain characterisation of a 3D-Printed bi-conical antenna dispersion 3d打印双圆锥天线色散的时域和频域特性
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738161
J. Andriambeloson, P. G. Wiid
{"title":"Time and frequency domain characterisation of a 3D-Printed bi-conical antenna dispersion","authors":"J. Andriambeloson, P. G. Wiid","doi":"10.1109/APWC.2016.7738161","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738161","url":null,"abstract":"The characterisation of the dispersion response of an extruded 3D-printed bi-conical antenna is presented using group delay and system fidelity factor (SFF). Measurements were performed in time and frequency domain using two identical antennas. A stable group delay is found and moderate correlation is observed between received and transmitted pulses.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"7 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":"132292017","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
Compact circularly polarized slits-loaded microstrip patch antenna with symmetric-fractal boundary 具有对称分形边界的紧凑圆极化狭缝加载微带贴片天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738111
Saurabh Kumar, D. Vishwakarma
{"title":"Compact circularly polarized slits-loaded microstrip patch antenna with symmetric-fractal boundary","authors":"Saurabh Kumar, D. Vishwakarma","doi":"10.1109/APWC.2016.7738111","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738111","url":null,"abstract":"A novel single feed compact microstrip patch antenna with slits and symmetric-fractal boundary loading is proposed and investigated for circularly polarized (CP) radiation. The compact size of the antenna is realized by insetting four pairs of equally spaced slits of equal lengths to the boundary of square patch along the patch axis. Further size reduction and CP operation is achieved by symmetrically replacing the diagonal boundary of slits loaded square patch antenna with second order iteration fractal curves. By carefully selecting the fractal curve boundary of different indentation widths along the diagonal axis of the patch with respect to the proper feed point, the lowered dominant mode resonant frequency splits into two near-degenerate separate resonant frequencies resulting in circular polarization. The proposed CP antenna on low-cost FR-4 substrate with an overall volume of 0.23λ0 × 0.23λ0 × 0.03λ0 at 2.04 GHz is 57.15% miniaturized as compared to the conventional CP design. The simulated results show that the antenna exhibits a 10-dB impedance bandwidth of 2.02% and a 3-dB axial ratio (AR) bandwidth of 0.54% with a maximum gain of 2.03 dBic. The proposed compact antenna with good CP radiation characteristics finds applicability in modern compact wireless communication systems for S-band applications.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"14 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":"134391578","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 center-fed BeiDou antenna with zero phase center 一种相位中心为零的中心馈电北斗天线
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738154
Ke-Ke Zheng, Q. Chu
{"title":"A center-fed BeiDou antenna with zero phase center","authors":"Ke-Ke Zheng, Q. Chu","doi":"10.1109/APWC.2016.7738154","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738154","url":null,"abstract":"A center-fed circularly polarized (CP) antenna with zero phase center is proposed in this paper. The proposed antenna can work in the BeiDou satellite navigation system (CNSS) B1-band (1561.098 ± 2.046MHz), and it has been fabricated and tested. The center-fed antenna uses a square microstrip patch with four slots, and an annular slot is embedded into the patch to achieve the CP radiation. The structure is symmetric and it has a good zero-phase center. The measured -10dB impedance bandwidth is 116.5MHz, 7.46%, and the simulated 3dB axial ratio bandwidth is 26.05MHz, 1.67%. The peak radiation gain is 4.32dB at the B1-band, and it has a good upward radiation pattern. The measured results agree well with the simulation ones, that verifies the correctness of the theoretical analysis.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"27 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":"133827588","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
Bias network and diode parasitics of a reconfigurable stacked microstrip patch antenna at 60 GHz 60 GHz可重构堆叠微带贴片天线的偏置网络和二极管寄生
2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2016-09-01 DOI: 10.1109/APWC.2016.7738180
A. Bondarik, D. Sjoberg
{"title":"Bias network and diode parasitics of a reconfigurable stacked microstrip patch antenna at 60 GHz","authors":"A. Bondarik, D. Sjoberg","doi":"10.1109/APWC.2016.7738180","DOIUrl":"https://doi.org/10.1109/APWC.2016.7738180","url":null,"abstract":"We present results on the implementation of switches for a reconfigurable antenna at 60 GHz. The switches are realized by diodes, which are characterized by measurements on a coplanar waveguide test bed. From the measurements, we extract different circuit models. The models are used as lumped elements in a full wave simulation of a reconfigurable antenna, where it is shown that the different models produce very similar results for the return loss and radiation pattern from the antenna. Due to the dominating linear polarization of the antenna, it is possible to route the bias lines for the switches so that they present a minimal interference with the radiation pattern.","PeriodicalId":143796,"journal":{"name":"2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)","volume":"142 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":"123304254","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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