Literatura científica selecionada sobre o tema "Multiband and wideband antenna"
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Artigos de revistas sobre o assunto "Multiband and wideband antenna"
Yadav, Dorik Narayan. "Study of Multiband DRA for Mobile communication". Himalayan Physics 5 (5 de julho de 2015): 75–77. http://dx.doi.org/10.3126/hj.v5i0.12876.
Texto completo da fonteGupta, Ankush, Hem Dutt Joshi e Rajesh Khanna. "An X-shaped fractal antenna with DGS for multiband applications". International Journal of Microwave and Wireless Technologies 9, n.º 5 (9 de setembro de 2016): 1075–83. http://dx.doi.org/10.1017/s1759078716000994.
Texto completo da fonteRaj, Tej, Ranjan Mishra, Pradeep Kumar e Ankush Kapoor. "Advances in MIMO Antenna Design for 5G: A Comprehensive Review". Sensors 23, n.º 14 (12 de julho de 2023): 6329. http://dx.doi.org/10.3390/s23146329.
Texto completo da fonteIdris, Izni Husna, Mohamad Rijal Hamid, Kamilia Kamardin, Mohamad Kamal A. Rahim e Huda A. Majid. "A multiband and wideband frequency reconfigurable slotted bowtie antenna". Indonesian Journal of Electrical Engineering and Computer Science 19, n.º 3 (1 de setembro de 2020): 1399. http://dx.doi.org/10.11591/ijeecs.v19.i3.pp1399-1406.
Texto completo da fonteAbraham, Jacob, Kirthika Natarajan, Senthilkumar Andi, Jemin Vijayaselvan Mariyarose, Manjunathan Alagarsamy e Kannadhasan Suriyan. "Frequency reconfigurable microstrip patch antenna for multiband applications". International Journal of Reconfigurable and Embedded Systems (IJRES) 13, n.º 2 (1 de julho de 2024): 472. http://dx.doi.org/10.11591/ijres.v13.i2.pp472-482.
Texto completo da fonteHaider, N., D. Caratelli e A. G. Yarovoy. "Recent Developments in Reconfigurable and Multiband Antenna Technology". International Journal of Antennas and Propagation 2013 (2013): 1–14. http://dx.doi.org/10.1155/2013/869170.
Texto completo da fonteDash, Rajib Kumar, Puspendu Bikash Saha, Dibyendu Ghoshal e Gopinath Palai. "Design of triangular shaped slotted patch antennas for both wideband and multiband applications". International Journal of Applied Electromagnetics and Mechanics 68, n.º 3 (14 de março de 2022): 275–94. http://dx.doi.org/10.3233/jae-210098.
Texto completo da fonteKumar, Somesh, e Ms Monika. "Study of Effect of Variations in slot dimensions on Fractal Patch antenna Performance". INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 5, n.º 1 (23 de junho de 2013): 41–48. http://dx.doi.org/10.24297/ijct.v5i1.4385.
Texto completo da fonteNag, Vibha Raj, e Mrinal Sarvagya. "Review Paper on Different Dual Band Printed Slot Antenna for 5G Wireless Communication". International Journal of Informatics and Communication Technology (IJ-ICT) 7, n.º 3 (1 de dezembro de 2018): 105. http://dx.doi.org/10.11591/ijict.v7i3.pp105-110.
Texto completo da fonteWang, Y., M. Reit e W. Mathis. "Entwurfskonzept einer Car2Car-Multiband-Dachantenne". Advances in Radio Science 10 (18 de setembro de 2012): 63–68. http://dx.doi.org/10.5194/ars-10-63-2012.
Texto completo da fonteTeses / dissertações sobre o assunto "Multiband and wideband antenna"
Mello, Rafael Gonçalves Licursi de. "Active and passive metasurfaces : methodology for the design of a low profile, beam-steerable, multiband, and wideband antenna". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAT025.
Texto completo da fonteMetasurfaces are artificial engineered materials that can be combined with traditional microwave components in ground-breaking solutions. The research on the use of metasurfaces in the roles of antenna reflector and/or superstrate considerably increased mainly from the beginning of the 2020s, because of their innovative functionalities in line with the ultimate Telecommunication trends. In this thesis, methodologies for the use of passive and active metasurfaces in the design of antennas are presented. A first methodology which exploits both the near-perfect electric conductor (PEC) and near-perfect magnetic conductor (PMC) behaviors of a dual-band artificial magnetic conductor (AMC) is used to design a low-profile, multiband, directive antenna. This methodology is validated with a prototype suitable for the European standards of 4G/5G and Wi-Fi 2.4/5/6E, operating within the following bands: 2.40–2.70 GHz, 3.40–3.80 GHz, 5.17–5.83 GHz, and 5.93–6.45 GHz. Additionally, a methodology to handle the Fabry-Pérot mechanism in an antenna composed of a grooved rounded-edge bow-tie, a passive dual-band AMC, and an active multiband Huygens metasurface is presented. This methodology is validated with the design of a multiband, directive, low-profile, antenna that performs an independent beam-steering in only one of the operating frequency bands. Through the controlling of the bias voltages over four columns of varactors in the reconfigurable, multiband Huygens metasurface, the beam may be dynamically steered in ±51°, in a continuous manner, in a frequency range lying inside the European 5G frequency range (from 3.50 to 3.65 GHz. All at once, the radiation patterns concerning the 4G and Wi-Fi 2.4/5/6E keep practically unaffected
Yousuf, Muhammad Amir. "Parametric Modeling of small terminals and Multiband or Ultra wideband Antennas". Palaiseau, Ecole polytechnique, 2011. https://pastel.hal.science/docs/00/63/48/66/PDF/Parametric_Modeling_of_UWB_antennas.pdf.
Texto completo da fonteSince the inception of short range Ultra Wideband (UWB) communication systems the factors like device miniaturization and high speed data rate create big challenges for antenna designers. One way to make the design job easy is to statistically model the variabilities of antenna radiation behavior as a function of its geometry. Such an effort is also useful for the better usage of the communication channel by combining the antenna model with it. This thesis is an attempt towards statistical modeling of UWB antennas. The subject faces two main challenges, the creation of sizeable statistical population of the class of antenna design(s) and modeling of antenna's radiation pattern which is composed of huge number of complex parameters. In this thesis we try to answer the former by proposing a generic design approach for UWB planar antennas and the latter by presenting the use of ultra-compressed parametric modeling technique. The generic design approach is based on trapezoidal shapes and offers great flexibility and versatility in designing various UWB antennas. This approach shows a significant ease in antenna optimization (also for population creation) as it reduces the no. Of parameters that controls the antenna geometry without compromising the degree of freedom. Ultra-compressed parametric modeling is based on two antenna synthesis methods, singularity expansion method (SEM) and Spherical mode expansion method (SMEM) that reduce the required no. Of complex parameters for the radiation pattern by 99. 9%, making the modeling effort possible. A statistical model of biconical antenna based on ultra-compressed modeling technique has been presented
Benomar, Ahmed. "Etude des Antennes à Résonateurs Diélectriques. : Application aux Réseaux de Télécommunications". Thesis, Limoges, 2015. http://www.theses.fr/2015LIMO0025/document.
Texto completo da fonteA fast technological development in the telecommunications domain, as mobile telephony, wireless networks, TV over Satellite, Radar Applications (civil or military)…etc, is observed. This considerable growth has led to enormous needs and caused a major technological evolution in antennas. These have to face different needs such as gain improvement, bandwidth enlargement, and different existing problems, such as cost and overcrowding…etc. Though, our goal is to design antenna topologies that are simple, having Low overcrowding and relatively with high gain operating in multiband and/or ultra large. To achieve this we headed to Dielectric Resonator Antennas (DRA) in UHF and SHF bands. Recently they have been the subject of several studies and have gained great interest from both academic and industrial sectors. Due to their diverse and simple geometries, they can be fed with different usual techniques. Furthermore, they can be smaller than patch antennas. The first part of this work has focused on the study of cylindrical DRAs, and then a validation of the simulating tool has been done after comparison with measurement results. For a multi-standard utilization, enlargement antennas’ operating bands, to have bi-band behaviour, get a modification of the resonant frequency and also a reduction of the overcrowding, the second part is dedicated to the study of new resonator topologies based on a vertical and radial stack of two cylinders, and then a multilayer and ring topologies. The obtained results found their applications in GSM900-DCS1800-UMTS-WiFi…
Muscat, Adrian. "The design of planar low gain, wideband and multiband antennas employing optimisation techniques". Thesis, Queen Mary, University of London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271716.
Texto completo da fonteSaleem, Rashid. "Towards an end-to-end multiband OFDM system analysis". Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/towards-an-endtoend-multiband-ofdm-system-analysis(e711f32f-1ac6-4b48-8f4e-58309c0482d3).html.
Texto completo da fonteYurduseven, Okan. "Integration of microwave antennas with solar PV for multiband and wideband mobile, WLAN and WiMAX applications". Thesis, Northumbria University, 2014. http://nrl.northumbria.ac.uk/17466/.
Texto completo da fonteGarrido, Lopez David. "Low-Profile Multiband and Flush-Mountable Wideband Antennas for HF/VHF and K/Ka Band Applications". Thesis, University of Colorado at Boulder, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10245047.
Texto completo da fonteThis thesis introduces several novel antenna systems with extended performance capabilities achieved by either enabling multiple operation bands or by widening the bandwidth. Proposed theoretical concepts are successfully tested through simulations and experiments with excellent agreement are demonstrated. The designs developed in this thesis research are low-profile or flush mountable, enabling simple platform integration.
In the HF/VHF bands, the development of a novel low-profile multiband antenna for vehicular applications is presented. Specifically, an inverted-F antenna is used as a driven element, to operate at the lowest frequency of 27 MHz, whereas two parasitic elements are built as inverted-L monopoles to enable resonances at 49 and 53 MHz. To eliminate the need for an external matching network, an offset feeding technique is used. When the antenna is mounted on a vehicle and bent to follow its profile, a very low-profile is achieved (lambda/44) while good impedance and far-field performance are maintained across all three bands. The developed antenna system is not only electrically smallest among others found in the literature, but it is easily modified for other band selections and tuning of each band can be readily achieved.
Vehicular antennas are often used for high power applications, which may cause exposure of nearby individuals to possibly dangerous electromagnetic fields. To assess this hazard, the RF exposure of a vehicle's crew is discussed and an original and fast modeling approach for prediction thereof is demonstrated. The modeling approach is based on eigenmode analysis for acquiring a range of frequencies where the shielding effectiveness of a vehicle cabin is expected to be lower than average. This approach is typically much faster and requires less computational resources as compared to classical full-wave analyses. This analysis also shows that the position of an antenna system is critical and must be considered when high-power RF emissions are planned.
Following the same trend of antenna system size reduction with extension of capabilities in a congested spectral environment, the millimeter wave spectrum is explored next. Specifically, antenna systems for wideband amplitude only (AO) direction finding (DF) are thoroughly considered. Theory and design considerations are developed to fill gaps in open literature. Typical sources of errors are theoretically analyzed, and a discussion on limitations and advantages of different AO DF architectures is given.
Practical millimeter wave realizations of AO DF antenna front-ends in the K/Ka/Q bands (18-45 GHz) are developed using two different architectures: a passive phased-array and a squinted antenna system. For the former, a tightly coupled two-element tapered slot antenna (TSA) array with a stacked arrangement is developed. A novel enclosure of the array inside an absorbing cavity is proposed and improved system performance with flush mounted configuration is demonstrated. The squinted antenna system avoids the use of a beamformer, therefore reducing insertion loss and amplitude/phase imbalances to reduce DF errors. For design robustness, the same TSA element used in the phased-array configuration is used. A novel tapered cavity is also developed to stabilize H-plane radiation patterns and suppress sidelobes. It is seen that the squinted antenna AO DF front-end has better performance than the phased-array antenna system at the expense of larger size.
A, Rahim Mohamad Kamal. "Wideband active antenna". Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404129.
Texto completo da fonteAdaniya, Hana L. "Wideband active antenna cancellation". Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/47896.
Texto completo da fonteIncludes bibliographical references (leaf 91).
There exists a simultaneous transmit and receive antenna system where the transmitted signal is creating wideband interference of the receiver. To resolve this interference problem, the isolation between the transmit antenna and the receive antenna must be increased. This thesis analyzes and discusses various strategies for antenna isolation and demonstrates the feasibility of an adaptive filtering approach on active signal cancellation. The final system design demonstrates that, with a broadband interference source in close proximity to a receiver, it is possible to provide 30 dB of isolation by using active cancellation.
by Hana L. Adaniya.
M.Eng.
Plaivech, Prachaya. "Wideband Antenna Over Ground Plane". Thesis, University of Sheffield, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515450.
Texto completo da fonteLivros sobre o assunto "Multiband and wideband antenna"
Matin, Mohammad Abdul, ed. Wideband, Multiband, and Smart Antenna Systems. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74311-6.
Texto completo da fonteMatin, Mohammad A. Wideband, multiband, and smart reconfigurable antennas for modern wireless communications. Hershey, PA: Information Science Reference, 2015.
Encontre o texto completo da fonteSiriwongpairat, W. Pam. Ultra-wideband communications systems: Multiband OFDM approach. Hoboken, N.J: John Wiley, 2007.
Encontre o texto completo da fonteYarman, Binboga Siddik. Design of Ultra Wideband Antenna Matching Networks. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8418-8.
Texto completo da fonteAdamiak, David V. Transient field visualization for ultra--wideband antenna design. Monterey, Calif: Naval Postgraduate School, 1999.
Encontre o texto completo da fonteF, Wilson Perry, e United States. National Telecommunications and Information Administration, eds. Advanced antenna test bed characterization for wideband wireless communications. [Boulder, Colo.]: U.S. Dept. of Commerce, National Telecommunications and Information Administration, 1999.
Encontre o texto completo da fonteInstitution of Electrical Engineers. Professional Network for Antennas and Propagation. Wideband and multi-band antennas and arrays. London: Institution of Electrical Engineers, 2005.
Encontre o texto completo da fonteLiu, Wei. Wideband beamforming: Concepts and techniques. Chichester, West Sussex, U.K: Wiley, 2010.
Encontre o texto completo da fonteSiddik, Yarman Binboga, ed. Design of ultra wideband antenna matching networks: Via simplified real frequency technique. [New York]: Springer, 2008.
Encontre o texto completo da fonteB, Michael L., e Kohno R, eds. Ultra-wideband signals and systems in communication engineering. Chichester: John Wiley & Sons, 2004.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Multiband and wideband antenna"
Wong, Kin-Lu. "Multiband and Wideband Patch Antennas". In Novel Technologies for Microwave and Millimeter — Wave Applications, 329–46. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4757-4156-8_15.
Texto completo da fonteSingh, Sweta, Brijesh Mishra, Karunesh Shrivastva, Aditya Kumar Singh e Rajeev Singh. "Multiband and Wideband MIMO Antenna for X and Ku Band Applications". In Lecture Notes in Electrical Engineering, 557–66. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2818-4_59.
Texto completo da fonteMatin, Mohammad Abdul. "Advances in Wideband, Multiband, and Smart Antenna Systems for Wireless Communication". In Signals and Communication Technology, 1–4. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74311-6_1.
Texto completo da fonteArun, Goswami Siddhant, Deepak C. Karia e Bhushan Dhengale. "Multiband and Wideband Antenna for Wi-Fi, WLAN, X-Band and Space Research Applications". In Proceedings of the International Conference on Recent Cognizance in Wireless Communication & Image Processing, 543–57. New Delhi: Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2638-3_61.
Texto completo da fonteTiwari, Devesh, Mohd Gulman Siddiqui, A. K. Saroj, J. A. Ansari, Neelesh Agrawal e Mukesh Kumar. "Analysis of Modified Swastika Shaped Slotted (MSSS) Microstrip Antenna for Multiband and Ultra-wideband Applications". In Lecture Notes in Electrical Engineering, 189–98. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9775-3_19.
Texto completo da fonteOkon, Ernest E. "Antenna Arrays". In Ultra-Wideband, 49–66. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470056843.ch4.
Texto completo da fonteDohler, Mischa. "Basic Antenna Elements". In Ultra-Wideband, 31–47. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470056843.ch3.
Texto completo da fonteLiu, Junsheng, Wasim Q. Malik, David J. Edwards e Mohammad Ghavami. "Antenna Diversity Techniques". In Ultra-Wideband, 89–104. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470056843.ch6.
Texto completo da fonteAbbas, Syed Muzahir, Ilyas Saleem, Abida Parveen, Hijab Zahra e Shahid Ahmed Khan. "Chebyshev Multiband Patch Antenna". In Communications in Computer and Information Science, 10–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28962-0_2.
Texto completo da fonteChen, Zhi Ning. "Antenna Issues". In Ultra Wideband Wireless Communication, 131–55. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/9780470042397.ch6.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Multiband and wideband antenna"
Das, Hangsa Raj, Rajesh Dey e Sumanta Bhattacharya. "A REVIEW PAPER ON DESIGN FOR MICROSTRIP PATCH ANTENNA". In Topics in Intelligent Computing and Industry Design. Volkson Press, 2021. http://dx.doi.org/10.26480/etit.02.2020.166.168.
Texto completo da fonteBurr, A. G. "Multiband MIMO antenna arrays". In Wideband and Multi-Band Antennas and Arrays. IEE, 2005. http://dx.doi.org/10.1049/ic:20050301.
Texto completo da fonteLi, Xuyang, Malyhe Jalilvand, Jijing Yan, Lukasz Zwirello e Thomas Zwick. "A multiband slotted Bowtie antenna for stroke detection". In 2012 IEEE International Conference on Ultra-Wideband (ICUWB2012). IEEE, 2012. http://dx.doi.org/10.1109/icuwb.2012.6340477.
Texto completo da fonteYahya, Muhammad Sani, Shipun Anuar Bin Hamzah, Khairun Nidzam Ramli, Fauziahanim Che Seman, Maisarah Abu, Shahilah Nordin, Nik Noordini Nik Abd Malik e Mohammad Sukri Mustapa. "Multiband and wideband characteristics of grid array antenna". In THE 5TH INTERNATIONAL CONFERENCE ON BIOSCIENCE AND BIOTECHNOLOGY. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0161930.
Texto completo da fonteMatekovits, Ladislau, e Aldo De Sabata. "Novel multiband wideband filter relying on metamaterial technology". In 2011 International Workshop on Antenna Technology (iWAT). IEEE, 2011. http://dx.doi.org/10.1109/iwat.2011.5752369.
Texto completo da fonteHess, D. W., C. A. E. Rizzo e J. Fordham. "Measurement of antenna performance for active array antennas with spherical near-field scanning". In IET Seminar on Wideband, Multiband Antennas and Arrays for Defence or Civil Applications. IEE, 2008. http://dx.doi.org/10.1049/ic:20080089.
Texto completo da fonteHaridas, N., T. Arslan e A. T. Erdogan. "Multiband antenna for space based reconfigurable satellite sensor node". In IET Seminar on Wideband, Multiband Antennas and Arrays for Defence or Civil Applications. IEE, 2008. http://dx.doi.org/10.1049/ic:20080097.
Texto completo da fonteBarroso, Raul H., Diogenes Marcano e Miguel A. Diaz. "Modified multiband Parany antenna adapted to the 3.1–10.6 GHz band". In 2009 IEEE International Conference on Ultra-Wideband. IEEE, 2009. http://dx.doi.org/10.1109/icuwb.2009.5288694.
Texto completo da fonteLee, H. J., K. L. Ford e R. J. Langley. "Dual band tunable antenna and EBG". In IET Seminar on Wideband, Multiband Antennas and Arrays for Defence or Civil Applications. IEE, 2008. http://dx.doi.org/10.1049/ic:20080093.
Texto completo da fonteYamini, A. H., e M. Soleimani. "Multiband behavior of wideband Sierpinski fractal bow-tie antenna". In 2005 European Microwave Conference. IEEE, 2005. http://dx.doi.org/10.1109/eumc.2005.1610336.
Texto completo da fonteRelatórios de organizações sobre o assunto "Multiband and wideband antenna"
Brocato, Robert Wesley. Hemispheric ultra-wideband antenna. Office of Scientific and Technical Information (OSTI), abril de 2006. http://dx.doi.org/10.2172/921149.
Texto completo da fonteNewman, E. M., e C. M. Ruskowski. Cylindrical Lens-Array Antenna for Wideband Electronic Scanning. Fort Belvoir, VA: Defense Technical Information Center, março de 1985. http://dx.doi.org/10.21236/ada156085.
Texto completo da fonteMital, Rashmi, Dharmesh P. Patel, Jaganmohan B. Rao e Greg C. Tavik. Affordable Wideband Multifunction Phased Array Antenna Architectures Using Frequency Scaled Radiating Elements. Fort Belvoir, VA: Defense Technical Information Center, setembro de 2014. http://dx.doi.org/10.21236/ada610684.
Texto completo da fonteFarr, Everett G., e Charles A. Frost. Ultra-Wideband Antennas and Propagation. Volume 1: Antenna Design, Predictions, and Construction. Fort Belvoir, VA: Defense Technical Information Center, julho de 1997. http://dx.doi.org/10.21236/ada328786.
Texto completo da fonteFarr, Everett G., e Charles A. Frost. Ultra-Wideband Antennas and Propagation. Volume 2: Antenna Measurements and Signal Processing. Fort Belvoir, VA: Defense Technical Information Center, julho de 1997. http://dx.doi.org/10.21236/ada328787.
Texto completo da fonteRice, Michael, e Mohammad Saquib. On Optimum Power Allocation for Multi-Antenna Wideband Helicopter-to-Ground Communications. Fort Belvoir, VA: Defense Technical Information Center, março de 2014. http://dx.doi.org/10.21236/ada622040.
Texto completo da fonteZaghloul, Amir I., Youn M. Lee, Gregory A. Mitchell e Theodore K. Anthony. Enhanced Ultra-Wideband (UWB) Circular Monopole Antenna with Electromagnetic Band Gap (EBG) Surface and Director. Fort Belvoir, VA: Defense Technical Information Center, agosto de 2014. http://dx.doi.org/10.21236/ada608706.
Texto completo da fonte