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2017 IEEE Applied Electromagnetics Conference (AEMC)最新文献

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CPW-fed tetra band circular polarized antenna for wireless communication applications 无线通信用cpw馈电四波段圆极化天线
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325636
R. Dhara, M. Midya, M. Mitra, S. K. Jana
{"title":"CPW-fed tetra band circular polarized antenna for wireless communication applications","authors":"R. Dhara, M. Midya, M. Mitra, S. K. Jana","doi":"10.1109/AEMC.2017.8325636","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325636","url":null,"abstract":"A novel design concept for a versatile multi-functional Circular polarized (CP) coplanar waveguide (CPW)-fed with two asymmetric U-shaped strips printed antenna is described in this paper. The antenna consists of a radiating patch which is composed of a hexagonal-ring linked by two annular ring over two corner which gives CP. Opposite side of the substrate two metallic closed ring resonators (CRRs) for ultra-wide band application. The proposed antenna design yields a wide band impedance bandwidth (IBW) ranging 2.58 GHz to 12.49 GHz. Furthermore, the simulated 3dB axial ratio (AR) band widths for tetra band are 633.9 MHz, 152.8 MHz, 433.4MHz and 172 MHz resonating at 6.75GHz, 8.29GHz, 9.35GHz and 11.53GHz respectively. The radiation characteristics of the implemented antenna are also presented and discussed.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115277230","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
Design and near field analysis of compact CPW-fed printed pseudo-monopole driven Yagi-type pattern diversity antenna 紧凑cpw馈电印刷伪单极驱动yagi型方向分集天线设计及近场分析
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325742
Naveen Kr. Maurya, Monika Tulsyan, R. Bhattacharya, Ashwani Kumar
{"title":"Design and near field analysis of compact CPW-fed printed pseudo-monopole driven Yagi-type pattern diversity antenna","authors":"Naveen Kr. Maurya, Monika Tulsyan, R. Bhattacharya, Ashwani Kumar","doi":"10.1109/AEMC.2017.8325742","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325742","url":null,"abstract":"An approach to design a compact coplanar-waveguide (CPW)-fed printed pseudo-monopole antenna (PPMA)-driven Yagi-type pattern diversity antenna is proposed. In this work two types of reflector configurations, viz. straight and folded, are investigated. It is shown that the folded reflector configuration is 20% more compact and it results in about 1.5 dB improvement in front-to-back ratio w.r.t. the straight reflector configuration at the cost of slight degradation in the isolation level. The reason behind this degradation is further investigated by analyzing the near field along the antenna width. It is found that the gap between the reflector cause the near field coupling between the PPMAs in the case of folded reflector.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127108898","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
New considerations on electromagnetic energy in antenna near-field by time-domain approach 天线近场电磁能量时域分析的新思路
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325654
D. Sarkar, S. Mikki, Abdelelah M. Alzahed, K. V. Srivastava, Y. Antar
{"title":"New considerations on electromagnetic energy in antenna near-field by time-domain approach","authors":"D. Sarkar, S. Mikki, Abdelelah M. Alzahed, K. V. Srivastava, Y. Antar","doi":"10.1109/AEMC.2017.8325654","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325654","url":null,"abstract":"In this paper, the problem of determining electromagnetic energy in the near-field of antennas is critically revisited. It is emphasized why one must look beyond the traditional antenna-Q factor and investigate near-field EM energy from a time-domain approach. A finite-difference time-domain (FDTD) simulation strategy for calculating reactive energy near radiating structures is described briefly. Finally, some new aspects pertaining to time-evolution and visualization of the near-field energy distributions are described, that can be tackled with this FDTD-based methodology.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127181473","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: 13
A free space technique for dielectrics and building materials characterization for future 5G applications 一种用于未来5G应用的电介质和建筑材料表征的自由空间技术
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325753
S. Singh, N. Tiwari, M. Akhtar
{"title":"A free space technique for dielectrics and building materials characterization for future 5G applications","authors":"S. Singh, N. Tiwari, M. Akhtar","doi":"10.1109/AEMC.2017.8325753","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325753","url":null,"abstract":"In this paper, a simple and fast time domain technique is proposed to determine simultaneously the complex permittivity and thickness of the material under test (MUT) for future 5G applications. The proposed free space time domain technique is calibration independent, noninvasive and uses only the magnitude of power corresponding to the reflected multiple signals from the MUT. The method is validated experimentally for various samples under different background materials and the error in the extracted permittivity and thickness is found less than 5%.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125119513","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 ground radiating antenna for on-body communication 用于身体通讯的地面辐射天线
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325658
S. Bhattacharjee, M. Midya, S. Chaudhuri, M. Mitra
{"title":"A ground radiating antenna for on-body communication","authors":"S. Bhattacharjee, M. Midya, S. Chaudhuri, M. Mitra","doi":"10.1109/AEMC.2017.8325658","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325658","url":null,"abstract":"In this paper, a compact textile antenna has been designed for ON body applications. The antenna has an overall size of 60×55×3.75 mm3. Characteristic modal analysis has been performed with the ground. The ground plane has been optimized in such a way so that it radiates field parallel to the body at the second mode. The position of the patch has been adjusted to obtain strong electric field coupling with the designed ground plane. The ground has been excited in order to realize a small antenna size at 2.45GHz ISM band.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123786226","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 an SIW corrugated H-plane horn antenna with improved performance 改进性能的SIW波纹h面喇叭天线设计
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325734
Anil Kumar Nayak, A. Patnaik
{"title":"Design of an SIW corrugated H-plane horn antenna with improved performance","authors":"Anil Kumar Nayak, A. Patnaik","doi":"10.1109/AEMC.2017.8325734","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325734","url":null,"abstract":"A H-plane Substrate Integrated Waveguide (SIW) horn antenna with improved performance is designed in this paper. A modified SIW feeding technique and corrugated flare is presented for improvements in the gain, bandwidth, radiation efficiency and cross-polarization reduction. The feeding section of the horn antenna uses stepped transformer for the improvement in the impedance bandwidth. The corrugated horn section is used to enhance the radiation characteristics of the proposed antenna. The center frequency of the proposed SIW horn antenna is 18.48 GHz. It has a gain of 8.69 dBi, impedance bandwidth of 2.82 % and the radiation efficiency of 95.67%.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122379840","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: 12
Design of a dual band crown fractal antenna 双波段冠形天线的设计
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325651
Yashmi, B. S. Dhaliwal
{"title":"Design of a dual band crown fractal antenna","authors":"Yashmi, B. S. Dhaliwal","doi":"10.1109/AEMC.2017.8325651","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325651","url":null,"abstract":"Advanced communication systems require antennas with more bandwidth and smaller dimensions compare to conventional antenna. There have been increasing demands for antenna design that possess features such as size, low profile, multiband, broadband, low cost etc. Fractal antennas have entered the view of many as a very promising solution. Fractals were the term originally defined by Mandelbrot to describe the family of complex structures, which means broken or irregular fragments that possess an inherent similarity in their geometrical structure. In this paper, we have proposed a crown fractal antenna. It has been observed that simulated and experimental results of the proposed antenna have shown dual band behavior. The same geometry had proposed initially, but the substrate material used was RT-DUROID while we used FR-4 substrate here, which reduces the cost.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"132 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128478046","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
Bandwidth enhancement of monopole antenna using split-ring 用劈裂环增强单极天线的带宽
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325645
G. K. Das, D. Mitra, M. Mitra
{"title":"Bandwidth enhancement of monopole antenna using split-ring","authors":"G. K. Das, D. Mitra, M. Mitra","doi":"10.1109/AEMC.2017.8325645","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325645","url":null,"abstract":"A bandwidth Enhancement of monopole antenna coupled with two identical parasitic split-rings has been designed and studied. This simple combination can significantly enhance the antenna bandwidth over that of the conventional monopole antenna. It is found that, with suitably chosen antenna dimensions, the impedance bandwidth of the antenna can be increased by 39.45%, almost double that of the monopole antenna alone. The far field pattern of the proposed antenna is basically the same as that of the monopole antenna. The average gain for the loaded structures is 3.8dBi which is quite higher than the unloaded monopole. It is also observed that there is no significant degradation in efficiency, despite of conductor loading.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128682168","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
Substrate integrated waveguide based butterfly shaped slot antenna for WLAN/GIFI applications 基于基板集成波导的蝴蝶形槽天线，用于WLAN/GIFI应用
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325638
M. Nandakumar, T. Shanmuganantham
{"title":"Substrate integrated waveguide based butterfly shaped slot antenna for WLAN/GIFI applications","authors":"M. Nandakumar, T. Shanmuganantham","doi":"10.1109/AEMC.2017.8325638","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325638","url":null,"abstract":"In this paper, Proposes SIW based butterfly shaped slot antenna for 60GHz applications. This frequency is used for wireless communication applications. The proposed antenna is designed by using Rogers substrate with εr =2.2, height is 0.381 mm and the microstrip feed is used with the input impedance of 50ohms. The structure provides 3.05GHz impedance bandwidth in between 57–64 GHz band and matches with VSWR 2:1. The values of Reflection coefficient, Gain, transmission efficiency and radiation efficiency of proposed antenna at 60GHz are −25.383dB, 6.5dBi, 87%, 94% This frequency is also used for GIFI/WLAN Applications.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116481587","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 and design of a X band wideband bandpass FSS X波段宽带带通FSS的分析与设计
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325686
Chitra Singh, K. R. Jha, G. Singh
{"title":"Analysis and design of a X band wideband bandpass FSS","authors":"Chitra Singh, K. R. Jha, G. Singh","doi":"10.1109/AEMC.2017.8325686","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325686","url":null,"abstract":"This paper presents a novel wideband bandpass frequency selective surface (FSS) featuring high selectivity in X-band. To increase the selectivity, multiple transmission zeros are added with multiple stubs while cascading two layers of periodic arrays of square unit cells. A passband of 2.3375 GHz from 9.6565 GHz to 11.994 GHz is obtained with unit cell size 0.432λ<inf>o</inf> × 0.432λ<inf>0</inf> × 0.108λ<inf>o</inf>, where λ<inf>o</inf> is the wavelength corresponding to centre frequency of the passband. A corresponding equivalent circuit model (ECM) is also proposed to better analyze the principles of the proposed FSS.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124025208","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
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