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Design and Characterization of Ultrathin Wide Band Transmission and Reflection Type Metasurface 超薄宽带透射反射型超表面的设计与表征
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770822
A. Singh, M. Abegaonkar, S. Koul
{"title":"Design and Characterization of Ultrathin Wide Band Transmission and Reflection Type Metasurface","authors":"A. Singh, M. Abegaonkar, S. Koul","doi":"10.1109/INCAP.2018.8770822","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770822","url":null,"abstract":"In this paper, design and characterization of ultrathin wide band highly transmissive and reflective metasurface by using sub-wavelength modified double circular ring resonator (MDCRR) as fundamental unit cell and its complementary unit cell operating in same frequency band for x-band application is proposed. The transmission type metasurface is designed by using MDCRR unit cell and reflection type metasurface (MS) is designed by using complementary MDCRR unit cell. The thickness of MS is $0.025boldsymbol{lambda}$ at centre frequency 10 GHz making the absorber ultrathin. The MS is characterized by using free space measurement technique. The MDCRR MS is found to have wide transmission band of 3.10 GHz from 8.80 GHz to 11.90 GHz. The complementary MDCRR MS is found to have wide reflection band of about 4 GHz from 8.10 GHz to 12 GHz. The simulated and measured results are in good agreement.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"547 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":"116244398","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 Compact Microstrip-Line Fed Meandered Inverted-F MIMO Antenna 小型微带线馈电弯曲倒频MIMO天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770918
Abhinaya Kumari Esnagari, Bharathi Anantha
{"title":"A Compact Microstrip-Line Fed Meandered Inverted-F MIMO Antenna","authors":"Abhinaya Kumari Esnagari, Bharathi Anantha","doi":"10.1109/INCAP.2018.8770918","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770918","url":null,"abstract":"In this paper, a compact meandered inverted-F multiple-input-multiple-output (MIMO) antenna operating at two wireless local area network (WLAN) bands 2.4/5GHz is designed, simulated and developed. It consists of two symmetrical inverted-F antennas separated by a small distance. It is printed on top layer of low cost FR4 epoxy substrate ($boldsymbol{varepsilon}_{mathbf{r}}=4.4, mathbf{tan}boldsymbol{delta} =0.02$) of thickness 1.6mm. The required isolation at two WLAN bands is achieved by incorporating decoupling structures like T-slot and meander-line resonators on the ground plane. The individual antennas are fed with U-slot loaded $50-boldsymbol{Omega}$ microstrip-line for achieving good impedance bandwidth. The simulated reflection coefficient, isolation is observed to be −12dB, 23dB and −14dB, 36.6dB in 2.4GHz and 5GHz band respectively and the measured reflection coefficient, isolation is observed to be −16.4dB, 21.3dB and − 12.1dB, 21.4dB in 2.4GHz and 5GHz band respectively. The simulated results are observed to be in good agreement with experimental data. The proposed dual band antenna would be promising for WLAN applications.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"131 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":"116452696","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
Quadrifilar helical antenna with integrated compact feed for TTC application in LEO satellites 用于近地轨道卫星TTC的集成紧凑馈源四线螺旋天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770934
K. S. Rao, D. Jahagirdar
{"title":"Quadrifilar helical antenna with integrated compact feed for TTC application in LEO satellites","authors":"K. S. Rao, D. Jahagirdar","doi":"10.1109/INCAP.2018.8770934","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770934","url":null,"abstract":"This paper presents design and development of Quadrifilar Helical Antenna(QHA) with integrated compact feed for Telemetry and Telecommand(TTC) application in LEO satellites with pattern/path loss compensation. A half height quadrifilar structure is fabricated on 20mil RT-Duriod substrate along with feed. All helix arms are excited with a microstrip line in progressive phase shift of 90 degree each to get the required circular polarization. Being single layer, the construction is simple and light weight. It is also rugged to withstand temperature, vibration and shocks. The simulation results of the antenna agree well with the measured results. The antenna ReturnLoss(RL) and Axial Ratio(AR) performance is good from 2.0 to 2.3GHz. It is proposed to use in LEO satellites.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"7 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":"125891620","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
Double-layer Polarization Independent Broadband Absorber using Resisitve Ink for C, X and Ku Bands application C、X、Ku波段的电阻墨水双层偏振无关宽带吸收器
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770907
Yakeen Tayde, Mondeep Saikia, K. V. Srivastava
{"title":"Double-layer Polarization Independent Broadband Absorber using Resisitve Ink for C, X and Ku Bands application","authors":"Yakeen Tayde, Mondeep Saikia, K. V. Srivastava","doi":"10.1109/INCAP.2018.8770907","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770907","url":null,"abstract":"In this paper, a double layer polarization independent broadband absorber using resistive ink is presented. A resistive pattern is present on each layer which is printed on a low cost FR-4 sheet through screen printing technology. An air spacer is present between each layer as a substrate. The absorber is backed by conducting plate to make transmission zero. The below −10 dB simulation result of the reflection co-efficient of the designed absorber is in the frequency range 4.00 GHz to 19.00 GHz, which covers entire C, X and Ku bands, which results in 132.74% fractional bandwidth. The designed absorber is $0.08lambda_{L}$ thick, where $lambda_{L}$ (wavelength at the starting frequency of the operating band).","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"42 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":"129441745","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
FSS Loaded High Gain Antenna Array for C-band Applications 用于c波段应用的FSS负载高增益天线阵列
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770724
Anushka Tiwari, Sushrut Das
{"title":"FSS Loaded High Gain Antenna Array for C-band Applications","authors":"Anushka Tiwari, Sushrut Das","doi":"10.1109/INCAP.2018.8770724","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770724","url":null,"abstract":"This paper presents a 2:1 Hexagonal shaped microstrip antenna array with FSS as reflector for C-band applications. The proposed antenna has return loss bandwidth of 1.23 GHz (5.25GHz - 6.48GHz) which has applications for 5.5GHz Wimax, 5.8GHz WLAN and Wi-Fiand commercial satellite television transmission above 6GHz. The structure has beensimulated using CST Microwave Studio. High gain of 11.8dB and half power beamwidth of 32.8° has been attained by incorporating FSS as reflector below the antenna array, which also reduces the back radiation due to partial ground structure. The antenna efficiency is 97%.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"6 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":"127244577","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 Coupled-fed Compact Size UHF RFID Reader Antenna with Parasitic Slotted Element 一种具有寄生开槽元件的耦合馈电紧凑型超高频RFID阅读器天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770742
C. Sim, J. Zhuang, Wei-Sheng Liao
{"title":"A Coupled-fed Compact Size UHF RFID Reader Antenna with Parasitic Slotted Element","authors":"C. Sim, J. Zhuang, Wei-Sheng Liao","doi":"10.1109/INCAP.2018.8770742","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770742","url":null,"abstract":"In this paper, a coupled-fed slotted antenna for ultra-high-frequency (UHF) radio frequency identification (RFID) reader antenna is proposed. In this case, the antenna has a planar size of $80 mathbf{mm} times 64 mathbf{mm}$, and it is standing vertically on a small ground plane of size $80 mathbf{mm} times 39 mathbf{mm}$. To increase the impedance bandwidth of the proposed reader antenna, so that it can works within the required 902–928 MHz band for UHF RFID, a stepped type feeding structure is utilized, and it is coupled to a parasitic element. The parasitic element is loaded with two open-end slots for increasing the electrical path, so that is can achieve compact size at a lower frequency. The measured result has shown that the proposed antenna can yield a 10-dB impedance bandwidth of 3.6% (897–930 MHz).","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":"131079541","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 Design Approach to Improve the Circular Polarization Characteristics of a Microstrip Antenna 一种改善微带天线圆极化特性的新设计方法
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770932
B. P. Kumar, C. Kumar, D. Guha
{"title":"A New Design Approach to Improve the Circular Polarization Characteristics of a Microstrip Antenna","authors":"B. P. Kumar, C. Kumar, D. Guha","doi":"10.1109/INCAP.2018.8770932","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770932","url":null,"abstract":"Designing a circularly polarized (CP) microstrip patch on a thick substrate is a bit tricky. It is a challenge to achieve the overlap of the required impedance matching as well as axial ratio (AR) lower than 3 dB over a common band of frequencies. In this work, a new design approach has been presented. Some strategic engineering in the form of a pair of metallic stubs for a circular patch has been adopted. This provides a flexibility of varying the frequency corresponding to the best AR slightly without affecting the impedance matching bandwidth. Using this approach effective CP bandwidth of a conventional design is improved to 5%.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"10 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":"130518296","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
A Compact Dual-Band and Dual-Polarized Open-Ended ZOR Antenna with AMC Ground Plane for 4G-LTE/WLAN/WiMAX Applications 一种紧凑型双频双极化开放式ZOR天线，具有AMC接平面，适用于4G-LTE/WLAN/WiMAX应用
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770831
M. Ameen, Vasudeva Reddy Ramireddy, R. Chaudhary
{"title":"A Compact Dual-Band and Dual-Polarized Open-Ended ZOR Antenna with AMC Ground Plane for 4G-LTE/WLAN/WiMAX Applications","authors":"M. Ameen, Vasudeva Reddy Ramireddy, R. Chaudhary","doi":"10.1109/INCAP.2018.8770831","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770831","url":null,"abstract":"This work explains the design and development of a dual-band and dual-polarized metamaterial (MTM) antenna incorporating artificial magnetic conductor (AMC) ground plane for higher gain and circular polarization (CP) characteristics. Antenna compactness is due to the zeroth order resonance (ZOR) mode of composite right/left-handed (CRLH) transmission line (TL) and the application of AMC ground plane. The electrical size of the intended MTM antenna is 0.19 $boldsymbol{lambda}_{0}times 0.23 boldsymbol{lambda}_{0}times 0.012 boldsymbol{lambda}_{0}$ at 2.38 GHz ($boldsymbol{k}boldsymbol{a}=0.97 < 1$). The MTM antenna with AMC ground plane provides a bandwidth of 11.46% and 26.18% for the first and second frequency bands centered at 2.35 and 5.5 GHz. The antenna shows CP radiation in the second band with an axial ratio bandwidth (ARBW) of 3.80%. The antenna provides a higher gain of 6.15 dBi and 6.96 dBi for both the bands. The antenna provides higher gain, good radiation efficiency, wider bandwidth, and compact size. The antenna can be suitable for working in 4G-LTE, WLAN, and WiMAX application systems.","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":"130732407","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
Compact Quad-Element Triple-Band MIMO Antennas for WLAN/WiMAX Applications 用于WLAN/WiMAX应用的紧凑型四元三频带MIMO天线
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770762
A. K. Saurabh, M. K. Meshram
{"title":"Compact Quad-Element Triple-Band MIMO Antennas for WLAN/WiMAX Applications","authors":"A. K. Saurabh, M. K. Meshram","doi":"10.1109/INCAP.2018.8770762","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770762","url":null,"abstract":"In this paper, an extremely compact tri-band quad-element multiple-input-multiple-output (MIMO) antenna is proposed. The single element configuration of a proposed MIMO antenna consisting of a microstrip line feed, T-shaped monopole with dual inverted L-shaped slits is realized. The proposed MIMO antenna is resonating at the frequency 2.42 GHz, 5.32 GHz, and 3.51 GHz for wireless local area networks (WLAN) and worldwide interoperability for microwave access (WiMAX) applications. The overall size of the proposed quad element MIMO antenna is $30times 30times 0.8 mathbf{mm}^{3}$ with minimum isolation of 13.5 dB among MIMO elements with respect to its operating bands. The envelope correlation coefficient (ECC) of the proposed MIMO antenna is lower than the acceptable limit across the triple operating bands. The simulated and measured S-parameters of the proposed antennas are found in good agreement.","PeriodicalId":286769,"journal":{"name":"2018 IEEE Indian Conference on Antennas and Propogation (InCAP)","volume":"2 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":"132685489","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 Low Profile Dual Linear Ku-band Feed for Multi-beam Satellite Characterization at CATF 用于CATF多波束卫星表征的紧凑型低轮廓双线性ku波段馈源
2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI: 10.1109/INCAP.2018.8770954
Sasikanta Kumar, P. K. Mishra, S. K. Bandlamudi, Haindavi Manigilla, R. Renuka, S. Kumar, V. Hariharan
{"title":"Compact Low Profile Dual Linear Ku-band Feed for Multi-beam Satellite Characterization at CATF","authors":"Sasikanta Kumar, P. K. Mishra, S. K. Bandlamudi, Haindavi Manigilla, R. Renuka, S. Kumar, V. Hariharan","doi":"10.1109/INCAP.2018.8770954","DOIUrl":"https://doi.org/10.1109/INCAP.2018.8770954","url":null,"abstract":"A compact, low profile Ku-band feed is designed and realized successfully for characterization of multi-beam satellite payloads at Compact Antenna Test Facility (CATF). Transponder characterization of integrated spacecraft (S/C) is generally carried out using uplink (U/L) and downlink (D/L) CATF feeds mounted on twin feed plate positioner of CATF. By giving appropriate azimuth and elevation angle to spacecraft positioner, In Orbit Test (IOT) location is brought parallel to facility reference axis, for payload characterization. This method is suitable for spacecraft's with single and sufficiently broad beam coverage. But this same method cannot be used for S/C with multiple high gain beams, because any time either U/L or D/L beam can be in focus of CATF geometry and other beam will be away from the focus. As the beams are very narrow (0.8 deg 3 dB beam width) it may not be possible to saturate the transponder if the spatial separation is high. To meet this critical requirement, geometrical analysis of CATF is done to find out corresponding feed locations at CATF focal plane for each beam. In this paper in next four sections design aspects, methodology and measurement validation of compact low profile Ku band feeds, which meet all the illumination requirements of CATF are discussed in details. This developed feeds latter used for payload characterization of integrated multi-beam spacecraft GSAT 19, GSAT 11 and GSAT 29 in CATF.","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":"126307035","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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