2021 IEEE Indian Conference on Antennas and Propagation (InCAP)最新文献_第7页

A Novel Broadband Polarization Insensitive Circuit Analog Absorber (CAA) for Radar Cross Section (RCS) Reduction Applications at X. and Ku-Bands 一种用于x波段和ku波段雷达截面减小的新型宽带极化不敏感电路模拟吸收器(CAA)

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726277

Mohammad Abdul Shukoor, Sukomal Dey, S. Koul

{"title":"A Novel Broadband Polarization Insensitive Circuit Analog Absorber (CAA) for Radar Cross Section (RCS) Reduction Applications at X. and Ku-Bands","authors":"Mohammad Abdul Shukoor, Sukomal Dey, S. Koul","doi":"10.1109/InCAP52216.2021.9726277","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726277","url":null,"abstract":"A simple broadband polarization-insensitive Circuit Analog Absorber (CAA) is proposed in this work. The unitcell comprises two Frequency Selective Surfaces (FSSs). The top FSS is an eight-lumped resistor-loaded corner modified square loop resonator, and the bottom is a circular ring with middle cuts. Both the FSS were printed on the thin FR-4 dielectric substrates, which were separated by an air-spacer. The proposed design exhibits 90% absorptivity from 6.72 GHz to 19.82 GHz (98.7% fractional bandwidth) with almost 95% absorption from 7.54 GHz to 17.85 GHz covering the whole X and Ku-bands. Because of four-fold symmetry exist in the design, it is polarization insensitive for different polarization angles (ø) in the azimuthal plane, and it is obliquely stable up to 45° for both Transverse Magnetic (TM) and Transverse Electric (TE) modes in the elevation plane. The design is compact with a total thickness of0.081λL and a cell periodicity of 0.164λL, where λL is the free-space wavelength corresponding to the absorption bandwidth's lowest frequency. The proposed design's Radar Cross Section (RCS) ability is observed, and it shows a peak RCS reduction of 7.4 dBsm under normal incidence. According to the author's expertise, the design can be utilized in a variety of real-time applications.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"40 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":"122384543","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

CPW-Fed Wheel-Shaped Super Wideband Monopole Antenna cpw馈电轮形超宽带单极天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726360

Rahul Rathore, Deepshikha Lodhi, Sarthak Singhal

引用次数: 0

A 25/28 GHz Modified π-shaped SIW-based Self-Diplexing Antenna with Low Frequency Ratio for 5G Applications 5G低频率比25/28 GHz改进π形siw自双工天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726443

Ajay Kumar, A. Singh, Munish Kumar

引用次数: 0

Compact and Broadband Uniplanar Quasi-Yagi Microstrip Antenna 小型宽带单平面准八木微带天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726395

Manan Gupta, H. Kumar

{"title":"Compact and Broadband Uniplanar Quasi-Yagi Microstrip Antenna","authors":"Manan Gupta, H. Kumar","doi":"10.1109/InCAP52216.2021.9726395","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726395","url":null,"abstract":"This paper proposes a compact uniplanar Quasi-Yagi microstrip antenna (MSA) with broadband characteristics to achieve end-fire radiation. The proposed design has one reflector, one ground plane (also a second reflector), one driven, and one director element. The spacing between the antenna elements has been reduced by applying the concepts of microstrip antenna, thus decreasing the antenna size along the end-fire direction significantly. The lateral dimension of the proposed antenna has been reduced by using U-shaped reflectors. The reflectors and director increase the directivity of the antenna at the lower and upper-frequency bands, respectively. Along with a compact size of ($0.52lambda_{0}times 0.22lambda_{0}times 0.009lambda_{0}$), the proposed antenna provides a bandwidth of 46.5% for $vert mathrm{S}_{11}vert < - 10 text{dB}$. A peak gain of 6 dBi with minimal variations (∼1 dB) is also achieved over the bandwidth. The proposed compact and broadband uniplanar Quasi-Yagi MSA is a good candidate for portable direction finding and wireless applications that require end-fire radiation in the second, third, and fourth generations of wireless networks and Wi-Fi frequency bands.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"7 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":"127702252","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

A Novel Interdigital Capacitances (IDCs) Based Linear-Cross Reflective Type Polarization Converter for X- and Ku-Band Applications 一种新型基于数字间电容(idc)的X波段和ku波段线性-交叉反射型偏振变换器

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726295

Mohammad Abdul Shukoor, Sukomal Dey, S. Koul

{"title":"A Novel Interdigital Capacitances (IDCs) Based Linear-Cross Reflective Type Polarization Converter for X- and Ku-Band Applications","authors":"Mohammad Abdul Shukoor, Sukomal Dey, S. Koul","doi":"10.1109/InCAP52216.2021.9726295","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726295","url":null,"abstract":"A novel reflective type linear-cross polarizer is proposed in this article for X-and Ku-bands. This design consists of top FSS, including a dipole covered with Interdigital Capacitances (IDCs) on its periphery on a 2.6 mm thin FR-4 dielectric substrate. The structure exhibits Polarization Conversion Ratio (PCR) greater than 90% from 7.94 to 17.77 GHz (76.46% Fractional Bandwidth), with three resonant peaks approaching the PCR nearly 100%. For oblique incidence TE and TM, the response is stable up to 45° up to 80% PCR and slightly reduced bandwidth. Multiple plasmonic resonances are the reason behind the broadband polarization conversion, and it is investigated from the surface current profiles of top FSS and ground planes. The novelty of this design exists in the introduction of IDCs, enabling the highest resonant peak tuning without degrading the performance on the lowest side. It possesses the unitcell periodicity and thickness of 0.185 λL and 0.069λL, respectively, where λL is the lowest broadband frequency's free-space wavelength. The authors are confident in the design's compactness, low profile, and angular stability, making it well-suited for real-time applications that need broadband linear-cross polarization conversion.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"41 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":"127785267","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

Dual Band Circularly Polarized Probe Feed Asymmetric Patch Antenna With Wide Axial Ratio Bandwidth 宽轴比双波段圆极化探针馈电非对称贴片天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726412

Vijay Sharma, Tejpal Jhajharia, Manisha Gupta, S. Yadav, Nipun Kumar Mishra, D. Pal

引用次数: 0

Gain and Beamwidth Enhancement of SIW Sectoral Horn antenna for Ka-Band Application 用于ka波段的SIW扇形喇叭天线增益和波束宽度增强

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726480

Sourav Ghosh, S. Mukherjee

{"title":"Gain and Beamwidth Enhancement of SIW Sectoral Horn antenna for Ka-Band Application","authors":"Sourav Ghosh, S. Mukherjee","doi":"10.1109/InCAP52216.2021.9726480","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726480","url":null,"abstract":"Traditional H-plane sectoral horn antennas have flaring only in the direction of the H-field. As there is no flaring in the direction of the E-field, a fan-beam radiation characteristics is achievable from the H-plane sectoral horn antenna. Reduction of E-plane beamwidth is possible by placing parasitic elements like directors, reflectors at a proper distance from the radiating aperture of the SIW horn antenna that will lead to the improvement of E-plane beam-width as well as the antenna gain. In this communication, a novel multilayer H-plane sectoral horn antenna has been introduced for Ka-Band application with few attractive radiation characteristics like less beam-width in both principle plane, high gain, wide-bandwidth while maintaining low profile. In the proposed design, the dielectric substrate is extended in front of the radiating aperture and four vertical directors were placed by embedding metallic via hole at a proper distance from the radiating aperture. Also two rows of metallic via reflectors are placed at the back side of the radiating aperture to direct the radiated energy in the desired direction. Simulation result indicates that the proposed antenna maintains less E-plane and H-Plane beam-width and nearly constant peak radiating gain between 8 dBi to 11 dBi in end-fire direction along with a -10 dB impedance bandwidth of 1 GHz.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"20 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":"130397064","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

Gain Enhanced Dual Band Antenna Backed by Dual Band AMC Surface for Wireless Body Area Network Applications 无线体域网络应用中基于双频AMC表面的增益增强双频天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726271

M. Yadav, Muquaddar Ali, R. P. Yadav

{"title":"Gain Enhanced Dual Band Antenna Backed by Dual Band AMC Surface for Wireless Body Area Network Applications","authors":"M. Yadav, Muquaddar Ali, R. P. Yadav","doi":"10.1109/InCAP52216.2021.9726271","DOIUrl":"https://doi.org/10.1109/InCAP52216.2021.9726271","url":null,"abstract":"In this paper, a novel dual band artificial magnetic conductor (AMC) is presented. The AMC is designed to operate at 2.4 GHz, for data transmission over WiFi wireless communication standard, and at 5.8 GHz of the ISM Band, for targeting medical applications. The AMC surface is used as a reflector to make the radiation pattern of dual band monopole antenna unidirectional by reducing the back lobes. The 10 dB impedance bandwidths of the antenna integrated with AMC reflector array are ranging from 2.2 GHz to 2.85 GHz, and from 5.68 GHz to 6.29 GHz. After the incorporation of 4×4 AMC array, peak gain values of the integrated antenna are increased from 1.65 dBi to 4.8 dBi at 2.4 GHz, and from 4.5 dBi to 7.75 dBi at 5.8GHz. Front to back ratio (FBR) of the integrated antenna is also improved by 12 dB at 2.4 GHz, while at 5.8 GHz, it is increased by 20dB. Proximity effects of the antenna on human body are analyzed by using an approximate three layer rectangular model of human body of size 90mm×90mm × 33mm. SAR calculations are done in CST Microwave Studio, using the IEEE/IEC 62704–1 averaging method and the values are found to be 0.28 W/kg, and 0.75 W/kg averaged over 10 g of human tissue at 2.5 GHz and 5.8 GH respectively.","PeriodicalId":201547,"journal":{"name":"2021 IEEE Indian Conference on Antennas and Propagation (InCAP)","volume":"26 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":"130452054","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

Wide Band Circularly Polarized Planar Monopole Antenna for FSS and ITU-8GHz Application 用于FSS和ITU-8GHz的宽带圆极化平面单极天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726441

R. Dhara, M. Sharma, Jaiverdhan

引用次数: 0

A Compact $4times 4$ MIMO Antenna Using EMSIW 一种使用EMSIW的紧凑型4 × 4$ MIMO天线

2021 IEEE Indian Conference on Antennas and Propagation (InCAP) Pub Date : 2021-12-13 DOI: 10.1109/InCAP52216.2021.9726391

S. A. Ali, M. Wajid, Muhammad S. Alam

引用次数: 0