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2021 IEEE Indian Conference on Antennas and Propagation (InCAP)最新文献

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Analyzing 3D Smith Chart Using MATLAB: An Insightful And Illustrative Approach 用MATLAB分析3D史密斯图:一种富有洞察力和说明性的方法
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726471
D. Vishrutha, Hemant Kumar
{"title":"Analyzing 3D Smith Chart Using MATLAB: An Insightful And Illustrative Approach","authors":"D. Vishrutha, Hemant Kumar","doi":"10.1109/InCAP52216.2021.9726471","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726471","url":null,"abstract":"The conventional 2D Smith chart has some limitations like, inability to represent impedances with negative resistance within a finite space for active circuits. However, a 3D Smith chart can be used instead of a 2D Smith chart to overcome these limitations, and hence it helps in expanding the field of microwave engineering applications. This paper analyses the 3D Smith chart in an illustrative manner. Different 2D plane views of the 3D Smith chart are provided to better understand the 3D Smith chart.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124942937","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
Cross Polarization Isolation Improvement in Electrically Small Prime-focal Reflector Antennas by Reducing Near Field Scattering 通过减少近场散射改善电小原焦反射器天线的交叉极化隔离
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726474
S. K. Prasad, Sagi Sravan Kumar, M. Mahajan
{"title":"Cross Polarization Isolation Improvement in Electrically Small Prime-focal Reflector Antennas by Reducing Near Field Scattering","authors":"S. K. Prasad, Sagi Sravan Kumar, M. Mahajan","doi":"10.1109/InCAP52216.2021.9726474","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726474","url":null,"abstract":"Wide coverage beams are usually generated with Medium or Low Gain Antennas with typical Edge of Coverage (EoC) Gain in the range of 15–25 dBi. Such Antennas when realised in Prime Focal Reflector configuration suffer from poor Cross Polarization Isolation due to the blockage effects of feed and struts. In this work, the shape of the a 0.9m reflector is distorted in such a way that the Near Field around the feed is reduced by 15–20 dB relative to unshaped reflector. The shaping has been carefully carried out in order not to lose Gain and aperture efficiency. The performance of Reflector is analysed with mono-groove polarizer based profiled horn CP feed in S-Band. The resultant design has a EoC Gain of >21 dBi in +/-4.25 deg coverage and has shown > 12 dB improvement in Cross Polarization Isolation when compared to Unshaped paraboloid.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116762813","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 2.45 GHz operated Rectifier with 81.5% PCE at 13 dBm Input Power for RFEH/WPT Applications 用于RFEH/WPT应用的输入功率为13dbm, PCE为81.5%的2.45 GHz工作整流器的设计
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726346
Md. Ahsan Halimi, D. Surender, T. Khan
{"title":"Design of a 2.45 GHz operated Rectifier with 81.5% PCE at 13 dBm Input Power for RFEH/WPT Applications","authors":"Md. Ahsan Halimi, D. Surender, T. Khan","doi":"10.1109/InCAP52216.2021.9726346","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726346","url":null,"abstract":"This work presents a high-efficiency rectifier for RF energy harvesting (RFEH) and wireless power transfer (WPT) at 2.45 GHz ISM band. A dual stub matching network and a voltage doubler topology using an HSMS2862 diode are used to design a rectifier. The simulated maximum RF-to-DC power conversion efficiency (PCE) is 81.5% at 13 dBm input power. Moreover, simulated PCE is more than 50% for input power range from −1.5 dBm to 14.7 dBm at an optimum load of $2 mathrm{k}Omega$.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122673007","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
Control over passband bandwidth of dual mode bandpass filter based on compact Substrate Integrated Waveguide 基于紧凑基板集成波导的双模带通滤波器通带带宽控制
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726317
S. S. Chaudhury, S. Awasthi, R. Singh
{"title":"Control over passband bandwidth of dual mode bandpass filter based on compact Substrate Integrated Waveguide","authors":"S. S. Chaudhury, S. Awasthi, R. Singh","doi":"10.1109/InCAP52216.2021.9726317","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726317","url":null,"abstract":"A method to control the passband of dual mode bandpass filter based on compact substrate integrated waveguide (SIW) is presented in this paper. A miniaturized SIW cavity is sliced out from conventional circular SIW cavity. The bandwidth of generated passband which is based on higher order excited dual modes of this compact SIW cavity is controlled separately at both lower and upper sidebands. The fundamental mode (TM101) of the derived cavity is controlled by a perturbation via. TM102 and TM201 modes are employed to generate the filter passband. Along with the perturbation via a pair of slot lines with ‘V’ shaped configuration is loaded into the compact SIW cavity to control the intermodal couplings and govern the passband bandwidth. An 18.5% change in fractional bandwidth (FBW) by shifting the lower sideband and 4% change in FBW by shifting the upper sideband is established in this process. Minimum insertion loss suffered by the passband during the process of bandwidth control is within 1.5 dB.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115158191","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
Anisotropic Magnetic Media for Antenna Gain Enhancement 用于天线增益增强的各向异性磁介质
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726262
Zamir Wani, Ashutosh Kumar Singh, S. Koul
{"title":"Anisotropic Magnetic Media for Antenna Gain Enhancement","authors":"Zamir Wani, Ashutosh Kumar Singh, S. Koul","doi":"10.1109/InCAP52216.2021.9726262","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726262","url":null,"abstract":"This paper presents a gain enhancement technique for millimeter wave antennas. The theory and mechanism of magnetic anisotropy and electromagnetic propagation are discussed. The anisotropic magnetic media (AMM) provides path length compensation for different transverse electric (TE) waves to have propagation without any phase accumulation. The effect of anisotropic magnetic media is studied for antenna gain enhancement using a microstrip patch antenna. The AMM provides a gain enhancement of about 5.3dB when placed above the radiator, resulting in an aperture efficiency of 85% at 28GHz.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"128 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128143182","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 multiband Reconfigurable Inverted F-shaped antenna for Wireless applications 无线多波段可重构倒f型天线设计
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726338
Subhash Shrimal, I. B. Sharma, M. Sharma
{"title":"Design of multiband Reconfigurable Inverted F-shaped antenna for Wireless applications","authors":"Subhash Shrimal, I. B. Sharma, M. Sharma","doi":"10.1109/InCAP52216.2021.9726338","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726338","url":null,"abstract":"This work presents the inverted F-shaped Frequency Reconfigurable Monopole Antenna, fabricated on low cost 1.6-mm thick dielectric substrate (FR4) having a partial ground plane. The designed antenna resonates at three single band frequency modes (2.1 GHz, 2.67 GHz and 3.8 GHz) as well as two dual band frequency modes (2.6 GHz, 5.5 GHz / 2.4 GHz, 5.3 GHz) using three switches. These reconfigurable band are used for valuable wireless communication applications, such as UMTS (2.1 GHz), Wireless Fidelity (2.4 GHz), 5G Mobile broadband (2.6 GHz), WiMAX (3.8 GHz / 5.5 GHz) and WLAN (5.3 GHz) and other wireless services. The proposed monopole antenna system comprises of Inverted F-shaped elements. The Reverse F-shaped is responsible for leading the higher frequency bands and F-shaped for lower frequency bands. The designed monopole antenna is simulated using Finite Element Method (FEM) employed in CST EM simulation tool-2020.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132663045","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
Electrically Small Quasi-Isotropic Planar Antenna Loaded with Split-Ring Resonator 带分环谐振器的小型准各向同性平面天线
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726510
J. Padhi, Awanish Kumar, R. Jawale, G. Reddy
{"title":"Electrically Small Quasi-Isotropic Planar Antenna Loaded with Split-Ring Resonator","authors":"J. Padhi, Awanish Kumar, R. Jawale, G. Reddy","doi":"10.1109/InCAP52216.2021.9726510","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726510","url":null,"abstract":"This paper presents an electrically small quasi-isotropic dipole antenna loaded with Split Ring Resonator (SRR) for applications in the 2.4GHz band. In this work, a near field parasitic element (NFPE) i.e., SRR is loaded beneath the electric dipole to generate quasi-isotropic radiation characteristics. The electric dipole (i.e., curved dipole) and NFPE are arranged to achieve a uniform radiation pattern in spatial coverage. Here, the SRR exhibits patterns like magnetic dipole which is orthogonal to the radiation pattern of an electric dipole. The overall dimension of the antenna is 0.13λX0.13λ mm2. The fabricated prototype of the proposed electrically small antenna(ESA) is measured to validate its performance. The measured S11 response shows good agreement with the simulated one. The fabricated prototype offers 48MHz bandwidth centered at 2.43GHz. The proposed antenna offers a quasi-isotropic pattern with 90% radiation efficiency over the operating band, ranging from 2.41 to 2.458GHz.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133451101","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 Design of Multiband Simple Microstrip Patch Antenna by Using Inset-feed 嵌入式馈电多波段简易微带贴片天线的设计
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726194
I. B. Sharma, C. Jha, M. Sharma, Joohi Garg, Bhawana Karla, Subhash Srimal
{"title":"A Design of Multiband Simple Microstrip Patch Antenna by Using Inset-feed","authors":"I. B. Sharma, C. Jha, M. Sharma, Joohi Garg, Bhawana Karla, Subhash Srimal","doi":"10.1109/InCAP52216.2021.9726194","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726194","url":null,"abstract":"This paper presents a design of multiband simple microstrip patch antenna by using inset feed. The main objective of this paper is obtained multiband of frequency with narrow band as well as broadband application. The multiband offers to use this antenna for different application such as WiMAX, ITS band, ITU band, and X-band. The antenna has compact in size of 26.08×19.99 mm2. By changing various parameter as well as slot of MSA, the finally obtain the desired multiband. It has been simulated by using CST microwave studio suit 2020, in this paper, for feeding in MSA is used inset feed to achieve proper impedance matching. The proposed MSA is capable of generating multiband with 10 dB return loss as follows 3.46-3.6GHz, 6.28-6.63GHz, 8.77-9.16GHz, and 9.78-11.4 GHz.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134108229","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
Simulation Study of Lens Applicator for Hyperthermia Treatment 热疗用晶状体涂抹器的模拟研究
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726362
N. Sharma, H. Singh, R. Khanna, A. Kaur, M. Agarwal
{"title":"Simulation Study of Lens Applicator for Hyperthermia Treatment","authors":"N. Sharma, H. Singh, R. Khanna, A. Kaur, M. Agarwal","doi":"10.1109/InCAP52216.2021.9726362","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726362","url":null,"abstract":"In this paper, a lens based applicator is designed with the enhanced focusing ability for hyperthermia treatment. The lens applicator consists of a stacked double spiral antenna (DSA) and frequency selective surface (FSS). The FSS structure behaves as a lens that converts the bidirectional field pattern into the directional pattern which improves the focusing ability of the proposed antenna towards the phantom. The double spiral structure is designed on the top of the upper substrate (Substrate-1), the slotted ground plane is placed between the upper and lower substrate, and the microstrip feed line is printed on the bottom of the lower substrate (Substrate-2). The overall size of the double spiral antenna is $32 times 32times 3.27 text{mm}^{3}$. Moreover, an FSS structure (as a lens) is designed on RT- duroid substrate having a thickness is 1.575 mm and the size of a unit cell of $16times 16 text{mm}^{2}$. The size of the superstrate is optimized for $64times 64 text{mm}^{2}$ which consists of a $4times 4$ unit cell. It is placed at a distance of 8 mm above the stacked double spiral antenna. The lens applicator is simulated with heterogeneous phantom (skin, fat, and muscles) and the performance of the applicator is evaluated by using a specific absorption rate (SAR) in terms of penetration depth (PD) and effective field size (EFS). Further, the performance of the applicator is also analyzed for a deep placed (at 16 mm from the skin surface) tumor having a size $20times 20 text{mm}^{2}$.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115612204","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
Analysis of the Effect of Infill Density of 3D Printed Substrate on Rectangular Microstrip Antenna Performance 3D打印基板填充密度对矩形微带天线性能的影响分析
2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726492
B. S. Dhaliwal, Kushal Singla, G. Saini
{"title":"Analysis of the Effect of Infill Density of 3D Printed Substrate on Rectangular Microstrip Antenna Performance","authors":"B. S. Dhaliwal, Kushal Singla, G. Saini","doi":"10.1109/InCAP52216.2021.9726492","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726492","url":null,"abstract":"In this paper, a comparative analysis of extrusion technique-based 3D printed substrates with various infill densities has been presented. For this work, multiple substrates with varying infill densities for rectilinear infill pattern have been 3D printed using Acrylonitrile Butadiene Styrene (ABS) material. These substrates have been then used to develop microstrip rectangular patch antenna for 2.45 GHz ISM band applications. The standard ring resonator method has been employed for RF characterization of the 3D printed substrates. It has been found that the infill density has effect on the RF properties of the substrate which in turn influence the antenna performance and radiation characteristics.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114272378","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
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