2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)最新文献_第2页

Effect of signal to noise ratio degradation due to RF level variation on active antenna performance 射频电平变化引起的信噪比下降对有源天线性能的影响

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402577

Sangeeta Singh, Umeshwar Pandey, Virendra Kumar

{"title":"Effect of signal to noise ratio degradation due to RF level variation on active antenna performance","authors":"Sangeeta Singh, Umeshwar Pandey, Virendra Kumar","doi":"10.1109/IAIM.2017.8402577","DOIUrl":"https://doi.org/10.1109/IAIM.2017.8402577","url":null,"abstract":"Active phased array antenna consists of a number of radiating elements excited by active RF modules with transmit and receive chain. The performance of the array depends upon stability and accuracy of amplitude and phase excitation at input of elements during transmit mode or at input of receiver during receive mode of operation. To achieve desired performance of an active array, calibration (correction of amplitude and phase errors) of all RF paths consisting of active modules need to be done. Accuracy of calibration depends upon Signal to Noise Ratio (SNR) at individual RF path. This paper describes the effect of SNR degradation at active path on the array performance, due to variation of RF level of injected reference signal used for calibration of the array. The study has been done on variation in array characteristic such as beam width, side lobe levels etc. due to poor SNR level in active RF path. The measured results of calibration network of a realized active array with about 2000 active elements has been used to derive the SNR of the network and simulation results have been generated. The simulated and measured pattern has been compared and presented.","PeriodicalId":396210,"journal":{"name":"2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123658980","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 miniaturized triple-band antenna with conductor backed metasurfaces-cpw fed for 5G wireless applications 一种用于5G无线应用的微型化三频带天线设计，采用导体背置超表面cpw馈电

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402514

P. S. Kumar, B. Mohan

{"title":"Design of a miniaturized triple-band antenna with conductor backed metasurfaces-cpw fed for 5G wireless applications","authors":"P. S. Kumar, B. Mohan","doi":"10.1109/IAIM.2017.8402514","DOIUrl":"https://doi.org/10.1109/IAIM.2017.8402514","url":null,"abstract":"A compact, triple-band diamond shaped microstrip patch antenna with conductor backed metasurface (CB-MTS)-CPW fed is proposed in this work. This antenna can be utilized for 5G wireless applications such as Internet of Things (IoT) (2.4-2.484) GHz Wi-Fi, Bluetooth, and ZigBee. Whereas (3.6-4.2) GHz band is used for 5G mobile phones in satellite communication applications, (5.35-5.47) GHz for future mobile broadband applications. The proposed antenna resonates at 2.4 GHz (2.3-2.48) GHz, 3.78 GHz (3.61-4.12) GHz, and 5.42 GHz (5.2-5.6) GHz. The performance assessment of the proposed antenna includes the reflection coefficient (dB), impedance bandwidth (BW), gain (dBi) and radiation efficiency (%). The proposed antenna achieved an average gain of 3.65 dBi in simulation and in measurement 3.57 dBi. A size reduction of 72.7% is obtained when compared to the conventional rectangular patch antenna. The measured results are in coherence with simulated values. The performance of the proposed antenna is compared with the existing triple-band designs reported in the literature.","PeriodicalId":396210,"journal":{"name":"2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124610196","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

X-band choked horn antenna for on-board TTC downlink of deep space satellite applications 用于深空卫星星载TTC下行的x波段扼流喇叭天线

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402532

Shivam Arora, Venkata Sitaraman Puram, B. S. Reddy, V. Senthil kumar, C. Sriharsha, D. V. Ramana

引用次数: 8

Low Cost broadband stacked circular microstrip antenna 低成本宽带堆叠圆形微带天线

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402563

K. K. Bindu, Rinkee Chopra, G. Kumar

引用次数: 8

Compact ultra wide band sinuous antenna 紧凑的超宽带正弦天线

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402529

S. K. Bandlamudi, P. K. Mishra, Sasikanta Kumar, M. Haindavi, R. Renuka, S. Kumar, V. Hariharan

{"title":"Compact ultra wide band sinuous antenna","authors":"S. K. Bandlamudi, P. K. Mishra, Sasikanta Kumar, M. Haindavi, R. Renuka, S. Kumar, V. Hariharan","doi":"10.1109/IAIM.2017.8402529","DOIUrl":"https://doi.org/10.1109/IAIM.2017.8402529","url":null,"abstract":"Compact Antenna Test Facility (CATF) facility is extensively used for evaluating the antenna pattern and payload performance for all communication satellites in the integrated condition. Operating frequency range of the CATF is from 1-40 GHz. Standard feeds are available in CATF, which will cater testing in the frequency range from 1–40 GHz. Facility can also be used as standard far-field range (By-passing the reflectors and in direct Line Of Sight: LOS) for limited characterization of antennas in the frequency range less than 1GHz. With an increase in the application of UHF frequency usage in the spacecraft sphere, it is required to extend feed capability in the lower operating frequency range of facility. In view of this, it was proposed to design and develop an UWB antenna operating in the frequency band from 200 MHz - 1 GHz so that facility measurement capabilities can be extended. In this paper, design aspects of antenna, feeding network, fabrication, pattern and gain measurement procedure are discussed. Comparison of simulated & measured pattern and gain values shows good match between them.","PeriodicalId":396210,"journal":{"name":"2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127141809","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 multiband planar antenna 多波段平面天线的设计

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402557

T. K. A. C. Snehalatha, Navin Kumar

引用次数: 2

Design and development of high power SP9T switch 大功率SP9T开关的设计与开发

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/iaim.2017.8402552

D. Jahagirdar, K. Durgabhavani, K. Sambasivarao

引用次数: 1

RCS reduction and wave manipulation using planar phased surface 利用平面相控面减小RCS和控制波

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402581

Rajanikanta Swain, R. K. Mishra

引用次数: 0

Design and development of electronic beam switching antenna for point-to-multi-point long range data link applications 点对多点远程数据链应用电子束开关天线的设计与开发

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402536

D. Jahagirdar, K. S. Rao

{"title":"Design and development of electronic beam switching antenna for point-to-multi-point long range data link applications","authors":"D. Jahagirdar, K. S. Rao","doi":"10.1109/IAIM.2017.8402536","DOIUrl":"https://doi.org/10.1109/IAIM.2017.8402536","url":null,"abstract":"Design and Development of broad band, Electronic Beam Switching Antenna for Omni directional coverage in L-Band is presented. The U4 monopoles and helices are good candidatures for wide coverage application like on-board applications, but suffer with low gain. Electronic beam switching antenna (EBSA) arrays can give required high gain and time-slotted omni-directional coverage in long range datalink for ground to air missile and UAV applications. It reduces transmitter power requirement for ground as well as on-board segment. It indirectly, reduces interference and multipath. EBSA contains 8 sector antennas satisfies the required 3dB beamwidth of ±22.50 in Az plane and ±100 in El plane with 14dBic on axis gain with RHCP for covering higher slant ranges and near horizon coverage. Near ranges and over-head coverage is provided with linear polarized printed dipole antenna that satisfies the required 3dB beam width of ±370 and 10dB beamwidth of ±700 in both Az and El planes with -5.5 dBiL minimum gain at cross-over point of sector and zenith. The beam switching is achieved by antenna switching unit with appropriate built-in tests. Realized sector antenna has shown VSWR ≤ 2, Axial Ratio of better than 2dB on axis and better than 4dB around 3dB zone.","PeriodicalId":396210,"journal":{"name":"2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116654673","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

Broadband circularly polarized monopole antenna with a compact ground plane for X- band wireless applications 宽带圆极化单极天线，具有紧凑的地平面，适用于X波段无线应用

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI: 10.1109/IAIM.2017.8402525

G. B. Reddy, D. S. Kumar

引用次数: 0