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2018 IEEE Indian Conference on Antennas and Propogation (InCAP)最新文献

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Design of a Printed Quadrifilar Helical Antenna 印刷四线螺旋天线的设计
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770946
Meenakshi Shyamsundar, R. Swathi, Urmi Maitra, V. S. Rao
{"title":"Design of a Printed Quadrifilar Helical Antenna","authors":"Meenakshi Shyamsundar, R. Swathi, Urmi Maitra, V. S. Rao","doi":"10.1109/INCAP.2018.8770946","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770946","url":null,"abstract":"An open-ended and omnidirectional Printed Quadrifilar Helical Antenna (PQHA) having a fractional number of turns is designed for the purpose of Satellite Communication in the S-band, to achieve a wide beamwidth and Right Hand Circular Polarization (RHCP). The frequency of operation is 2200 MHz for the PQHA. The substrate used is RT Duroid of thickness 0.508 mm. Parametric study and simulations are carried out using HFSS Software. A corporate feed network is designed for impedance matching and is also used to provide the required quadrature phase shift. The PQHA yields good results; VSWR below 1.5, Axial Ratio below 1.5 dB, and half power beamwidth greater than 190 degrees.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"338 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122993078","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
Compact wearable bent slot antenna with compact EBG for wearable applications 紧凑型可穿戴弯曲槽天线与紧凑型EBG可穿戴应用
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770712
Sreekala Suseela, P. Wahid
{"title":"Compact wearable bent slot antenna with compact EBG for wearable applications","authors":"Sreekala Suseela, P. Wahid","doi":"10.1109/INCAP.2018.8770712","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770712","url":null,"abstract":"A compact wearable bent slot antenna with a compact electromagnetic band gap (EBG) structure for wireless body area network is presented in this paper. The antenna resonates in the 2.45 GHz Industrial Scientific Medical (ISM) band. The antenna was simulated on a jean fabric. The EBG surface limits the back radiation enabling the antenna to be used for wearable applications. The specific absorption rate in a multilayer human body model was evaluated for this antenna with and without the EBG structure. The compact structure and reduced specific absorption rate values obtained makes it an ideal choice for wearable applications.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122091110","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
Miniaturization and Gain Enhancement of Array Antenna for Dual Band RADAR System 双频雷达系统中阵列天线的小型化与增益增强
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770887
Kanchan H. Wagh, S. Shriramwar
{"title":"Miniaturization and Gain Enhancement of Array Antenna for Dual Band RADAR System","authors":"Kanchan H. Wagh, S. Shriramwar","doi":"10.1109/INCAP.2018.8770887","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770887","url":null,"abstract":"This paper presents a $2times 2$ hexagonal shaped array antenna with dual band characteristics at 2.4 GHz and 5.8 GHz. For the enhancement of gain and miniaturization of array antenna, CSRR is etched into the ground plane. Corporate feed network is chosen for the equal amplitude distribution at the input of patch elements. The CSRR structure incorporated into the design behaves like a metamaterial which has negative permeability and permittivity which results into negative reflective index. So transmitted wave could not pass into the structure and it gets reflected back from the structure. It also disturbs the current distribution at ground plane. This work achieves efficiency up to 83%.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129863792","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
All-metal Dual Frequency RHCP High Gain Antenna for the Extreme Environments of a Potential Europa Lander 用于潜在木卫二着陆器极端环境的全金属双频RHCP高增益天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770916
N. Chahat, B. Cook, P. Estabrook
{"title":"All-metal Dual Frequency RHCP High Gain Antenna for the Extreme Environments of a Potential Europa Lander","authors":"N. Chahat, B. Cook, P. Estabrook","doi":"10.1109/INCAP.2018.8770916","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770916","url":null,"abstract":"A new all-metal dual-frequency RHCP high gain antenna is under development at NASA's Jet Propulsion Laboratory for a potential Europa Lander. The antenna is mainly made of metal so it could survive the harsh environment conditions (i.e. very low temperature and high radiation and ESD levels). The antenna is also flat to meet drastic volume constraints and has efficiencies higher than 80% at both the uplink and downlink X-band Deep Space frequency bands. This antenna is a key component for the potential mission enabling Direct Link to Earth (DTE) from and Direct-from-Earth (DFE) to the lander without any relay.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"1992 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128612912","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 WBAN Reader Antenna to Improve the Wireless Link with an In-Body WBAN Antenna 一种使用体内无线宽带天线改善无线链路的WBAN阅读器天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770734
S. Kahng, C. Lee, H. Park, G. Namgoong, J. Kwon
{"title":"A WBAN Reader Antenna to Improve the Wireless Link with an In-Body WBAN Antenna","authors":"S. Kahng, C. Lee, H. Park, G. Namgoong, J. Kwon","doi":"10.1109/INCAP.2018.8770734","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770734","url":null,"abstract":"In this paper, a method is proposed to improve the wireless link of an in-body wireless body-area network(WBAN) antenna with the off-body signal-reading system. A small WBAN antenna embeddable in the human body is designed. A wide-band size-reduced reader antenna is proposed to cope with frequency shift resulting from a short distance between the agent and reader antennas, and attenuation by the human tissue. The transmission from the in-body agent antenna to the reader is shown to improve by over 50 dB.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129236800","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
New Aperture Coupling Technique for Dielectric Resonator Antenna to Reduce Cross-Polarized Fields 介质谐振器天线孔径耦合新技术减少交叉极化场
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770703
Poulomi Gupta, D. Guha, C. Kumar
{"title":"New Aperture Coupling Technique for Dielectric Resonator Antenna to Reduce Cross-Polarized Fields","authors":"Poulomi Gupta, D. Guha, C. Kumar","doi":"10.1109/INCAP.2018.8770703","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770703","url":null,"abstract":"A composite dual-aperture feeding technique for conventional cylindrical dielectric resonator antenna (CDRA) has been proposed to design dual-band antenna using $mathbf{HEM}_{11boldsymbol{delta}}$ and $mathbf{HEM}_{11mathbf{Delta}}$ modes. These two modes with similar kind of electric field patterns have been excited simultaneously in a CDRA with 7 dBi and 9.4 dBi peak gains respectively. This was achieved at two operating frequency bands showing improved radiation pattern with reduced cross-polarized field levels. This technique should find suitable applications in modern dual-band wireless communications.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"387 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123921826","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
High-gain overlapped elliptical shape diversity antenna for multiband applications 用于多波段应用的高增益重叠椭圆型分集天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770869
Vandana Satam, S. Nema
{"title":"High-gain overlapped elliptical shape diversity antenna for multiband applications","authors":"Vandana Satam, S. Nema","doi":"10.1109/INCAP.2018.8770869","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770869","url":null,"abstract":"A three element overlapped elliptical shape MIMO antenna is designed and fabricated for ‘ISM band’, ‘WLAN’, ‘C-band downlink’ and ‘Ku band’ operations. It uses a partial ground plane for antenna miniaturization. Each radiating element of antenna is excited by a simple line feeding technique. Total size of the fabricated diversity antenna is $40 mathbf{mm} times 40$ mm. The fabricated prototype is tested using vector network analyzer. Measurement results are found in a good agreement with simulation results. Radiation patterns are stable over resonating frequency. The correlation-coefficient is near to zero over operating band. This configuration gives a mutual coupling less than −10 dB over operating band. High-gain of antenna is achieved by modifying a rhombus-shaped antenna as overlapped elliptical shape by increasing the effective area of radiating elements.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"20 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121159123","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
Procedure for Using Measured Sources in Antenna Placement Problems 在天线放置问题中使用测量源的程序
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770842
L. Scialacqua, F. Saccardi, A. Giacomini, L. Foged, R. Braun, M. Pinkasy, G. Pinchuk, T. Haze, R. Konevky, L. Shmidov, B. Gershkovich, R. Unni, P. Iversen
{"title":"Procedure for Using Measured Sources in Antenna Placement Problems","authors":"L. Scialacqua, F. Saccardi, A. Giacomini, L. Foged, R. Braun, M. Pinkasy, G. Pinchuk, T. Haze, R. Konevky, L. Shmidov, B. Gershkovich, R. Unni, P. Iversen","doi":"10.1109/INCAP.2018.8770842","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770842","url":null,"abstract":"A domain decomposition technique which allows to perform antenna placement is presented in this paper. The technique is based on the combination of measurements of the source antenna and simulation of the final structure. To enable the “link” between measurements and simulations, the measured antenna is expanded in terms of equivalent currents to create the Huygens box source representation which is compatible with most of the Computational ElectroMagnetic (CEM) tools. The proposed antenna placement procedure is described in detail and an applicative example is reported.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114704647","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 New Printed Log Periodic Antenna using SIW Concept 一种基于SIW概念的新型打印对数周期天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770745
S. Choudhury, A. Mohan, D. Guha
{"title":"A New Printed Log Periodic Antenna using SIW Concept","authors":"S. Choudhury, A. Mohan, D. Guha","doi":"10.1109/INCAP.2018.8770745","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770745","url":null,"abstract":"A compact low profile wideband antenna is developed and discussed. Its basic geometry is derived from the circular cavity following repetitive segmentation along the quasi-magnetic wall to obtain the 16th mode geometry. Aperiodic slots have been etched out alternatively from the top metallic surface, the thickness of which has been varied in a log period fashion to obtain wideband operation from the antenna. The ground plane has been engineered for quasi-omnidirectional radiation characteristics.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124388205","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
Ground Truncated Broadband Slotted Circular Microstrip Antenna 接地截断宽带开槽圆形微带天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770957
S. Suganthi, D. Patil, E. Chand
{"title":"Ground Truncated Broadband Slotted Circular Microstrip Antenna","authors":"S. Suganthi, D. Patil, E. Chand","doi":"10.1109/INCAP.2018.8770957","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770957","url":null,"abstract":"In this growing era of wireless technology, large sized devices have become obsolete. In response to the increasing demand for miniaturization over the past decades, microstrip antennas have drawn attention due to its various features like light weight, low cost, small in size and its greater resistivity to shock and vibrations. These can also easily get conformed to any surface. These antennas are also capable of operating at high frequencies, providing large bandwidth and gain by using various techniques slots and truncation of shapes. This report describes the design, simulation, fabrication and measurement results of a microstrip fed Slotted Circular Microstrip Antenna for broadband applications. The antenna was designed for an operating frequency of 2.45 GHz on a double side printed FR4 substrate measuring 55 mm x 55 mm x 1.6 mm with $boldsymbol{varepsilon}_{mathbf{r}}$ of 4.4. It measured a very large resonant band of 1.3 – 9.05 GHz at a return loss level as low as −36.5 dB at 7.98 GHz. A maximum gain of 2.46 dB was achieved at 2.33 GHz. The enhancement in bandwidth was achieved by truncation in ground and inclusion of thin circular slot. The HFSS version 18.2 software and VNA model Anritsu SA20E were used for simulation and measurement respectively. It is found that the simulation and measurement results agree.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124471087","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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