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Author: Amel Boufrioua
Publisher:
ISBN: 9781536131512
Category : TECHNOLOGY & ENGINEERING
Languages : en
Pages :
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Book Description
Author: Amel Boufrioua
Publisher:
ISBN: 9781536131512
Category : TECHNOLOGY & ENGINEERING
Languages : en
Pages :
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Book Description
Author: Matin, Mohammad A.
Publisher: IGI Global
ISBN: 1466686464
Category : Technology & Engineering
Languages : en
Pages : 440
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Book Description
Modern society thrives on communication that is instant and available at all times, a constant exchange of information that encompasses everything from video streaming to GPS navigation. Experts even suggest that in the near future everything from our cars to our kitchen appliances will be connected to the internet, a feat that would not be possible without advanced wireless technology. Wideband, Multiband, and Smart Reconfigurable Antennas for Modern Wireless Communications showcases current trends and novel approaches in the design and analysis of the antennas that make wireless applications possible, while also identifying unique integration opportunities for antennas and wireless applications to work together. By featuring both theoretical and experimental approaches to integration, this book highlights specific design issues to assist a wide-range of readers including students, researchers, academics, and industry practitioners. This publication features chapters on a broad scope of topics including algorithms and antenna optimization, wireless infrastructure development, wireless applications of intelligent algorithms, antenna architecture, and antenna reconfiguration techniques.
Author: Mohammad Abdul Matin
Publisher: Springer Nature
ISBN: 303074311X
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
This book provides current R&D trends and novel approaches in design and analysis of broadband, multiband, and smart antennas for 5G and B5G mobile and wireless applications, as well as the identification of integration techniques of these antennas in a diverse range of devices. The book presents theoretical and experimental approaches to help the reader in understanding the unique design issues and more advanced research. Moreover, the book includes chapters on the fundamentals of antenna theory. The book is pertinent to professionals and researchers working in the field of antenna engineering; it is written for graduate students, researchers, academics, and industry practitioners who want to improve their understanding in the current research trends in design analysis of broadband, multiband, and smart antennas for wireless applications.
Author: Mohammad Abdul Matin
Publisher:
ISBN: 9783030743123
Category :
Languages : en
Pages : 0
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Book Description
This book provides current R&D trends and novel approaches in design and analysis of broadband, multiband, and smart antennas for 5G and B5G mobile and wireless applications, as well as the identification of integration techniques of these antennas in a diverse range of devices. The book presents theoretical and experimental approaches to help the reader in understanding the unique design issues and more advanced research. Moreover, the book includes chapters on the fundamentals of antenna theory. The book is pertinent to professionals and researchers working in the field of antenna engineering; it is written for graduate students, researchers, academics, and industry practitioners who want to improve their understanding in the current research trends in design analysis of broadband, multiband, and smart antennas for wireless applications. Offers an in-depth treatment of wideband, multiband, and smart antennas for modern wireless communications; Provides design methodologies for wideband, multiband, and smart antenna technology; Presents simulation and experimental results to illustrate concepts for wideband, multiband, and smart antenna technology.
Author: Chinmoy Saha
Publisher: CRC Press
ISBN: 1351026534
Category : Science
Languages : en
Pages : 240
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Book Description
Multifunctional Antennas (MFA) are comparatively a new area for antenna research and finds applications in various modern wireless radios, like Cognitive Radio (CR) in Software Defined Radio (SDR) technology and MIMO technology. This book is first attempt and an invaluable resource which deals with the design and realization of various kinds of multifunctional antennas. After clearly explaining the exclusive features of MFAs, the book presents various designs of such antennas considering versatile modern and upcoming applications. Written by three internationally known researchers, Multi-Functional Ultra Wideband Antennas: Trends, Techniques and Applications: Provides a lucid introduction on UWB systems, historical perspective and discusses various applications of such systems Discusses fundamentals of antennas and its characterization in time and frequency domains, primarily aimed for the beginners in the area Revisits the design and realization of various classical UWB antennas Discusses various techniques of designing frequency-notched UWB antennas and provide detailed comparison of the techniques Deals with the techniques of deriving multiple antenna functionalities from a single antenna Incorporates exclusive discussions on modern reconfigurable antennas and printed and dielectric resonator based MIMO antennas with clear focus on recent and upcoming technological requirements With Multi-Functional Ultra Wideband Antennas: Trends, Techniques and Applications, antenna engineers, communication system engineers, graduate students, academic/industry researchers will gain a thorough knowledge on design of such antennas with clear physical insight and understanding. Chinmoy Saha, PHD, is an associate Professor in the Department of Avionics at Indian Institute of Space Science and Technology, Thiruvananthapuram, Kerala, India. His current research interest includes Microwave Circuits, Engineered Materials, Metamaterial Inspired Antennas and Circuits, reconfigurable and multi-functional antennas for modern wireless applications, Dielectric Resonator antennas, THz antennas and wireless power transfer. He is the author or coauthor of several books, scientific journals and recipient of several prestigious awards. Jawad Yaseen Siddiqui, PHD, is an associate Professor in the Department of Radio Physics and Electronics at University of Calcutta, Kolkata, India. His current research interest includes ultra-wideband antennas, frequency reconfigurable antennas, tapered slot antennas and multi-functional antennas for cognitive radio application. He is the author or coauthor of several books, scientific journals and recipient of prestigious awards. He is a Co-Principal Investigator on Stratosphere Troposphere (ST) Radar Project at the University of Calcutta, Kolkata, India. Yahia M.M. Antar, PHD, is a Professor in the Department of Department of Electrical and Computer Engineering at the Royal Military College of Canada, Kingston, ON, Canada. He is the author or coauthor of several books, scientific journals and recipient of prestigious awards which includes IEEE-Antennas and Propagation Society prestigious Chen-To-Tai Distinguished Educator Award for 2017, 2015 IEEE Canada J. M. Ham outstanding Engineering Education Award, 2014 IEEE Canada RA Fessenden Silver Medal, 2012 Queen’s Diamond Jubilee Medal from the Governor General of Canada and many more.
Author: Yen Le
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages :
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Book Description
Author's abstract: Current trend of wireless communication favors compact systems that are multi-functional. Therefore, the need to design and implement miniaturized, wideband antennas is realized. Common wideband antenna elements are not suitable for modern wireless communication systems due to their large, bulky structure and relatively low gain. This thesis explores design methods to miniaturize a conventional wideband antenna while maximizing its directivity at the same time. On the basis of this method, a wideband, high gain, pattern re-configurable antenna and an enhanced bandwidth and realized gain planar bowtie antenna are designed. Finally, current research will be summarized and new directions for research will be discussed.
Author: Saad Bennani
Publisher: Springer Nature
ISBN: 9813368934
Category : Technology & Engineering
Languages : en
Pages : 1139
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Book Description
This book presents peer-reviewed articles from the 6th International Conference on Wireless Technologies, Embedded and Intelligent Systems (WITS 2020), held at Fez, Morocco. It presents original research results, new ideas and practical lessons learnt that touch on all aspects of wireless technologies, embedded and intelligent systems. WITS is an international conference that serves researchers, scholars, professionals, students and academicians looking to foster both working relationships and gain access to the latest research results. Topics covered include Telecoms & Wireless Networking Electronics & Multimedia Embedded & Intelligent Systems Renewable Energies.
Author: Mohammod Ali
Publisher: Artech House Publishers
ISBN: 9781630817077
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
This exciting new book focuses on the analysis and design of reconfigurable antennas for modern wireless communications, sensing, and radar. It presents the definitions of basic antenna parameters, an overview of RF switches and explains how to characterize their insertion loss, isolation, and power handling issues. Basic reconfigurable antenna building blocks, such as dipoles, monopoles, patches and slots are described, followed by presentations on frequency reconfigurable antennas, pattern reconfigurable antennas, and basic scanning antenna arrays. Switch biasing in an electromagnetic environment is discussed, as well as simulation strategies of reconfigurable antennas, and MIMO (Multiple Input Multiple Output) reconfigurable antennas. Performance characterization of reconfigurable antennas is also presented. The book provides information for the technical professional to design frequency reconfigurable, pattern reconfigurable, and MIMO antennas all relevant for modern wireless communication systems. Readers learn how to select switching devices, bias them properly, and understand their role in the overall reconfigurable antenna design. The book presents practical experimental implementation issues, including losses due to switches, materials, and EMI (Electromagnetic Interference) and shows how to address those.
Author: Ahmed Kishk
Publisher: IntechOpen
ISBN: 9789535110194
Category : Technology & Engineering
Languages : en
Pages : 396
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Book Description
The book discusses basic and advanced concepts of microstrip antennas, including design procedure and recent applications. Book topics include discussion of arrays, spectral domain, high Tc superconducting microstrip antennas, optimization, multiband, dual and circular polarization, microstrip to waveguide transitions, and improving bandwidth and resonance frequency. Antenna synthesis, materials, microstrip circuits, spectral domain, waveform evaluation, aperture coupled antenna geometry and miniaturization are further book topics. Planar UWB antennas are widely covered and new dual polarized UWB antennas are newly introduced. Design of UWB antennas with single or multi notch bands are also considered. Recent applications such as, cognitive radio, reconfigurable antennas, wearable antennas, and flexible antennas are presented. The book audience will be comprised of electrical and computer engineers and other scientists well versed in microstrip antenna technology.
Author: Yunfei Cao
Publisher:
ISBN: 9781361041925
Category :
Languages : en
Pages :
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Book Description
This dissertation, "Multi-band and Reconfigurable Antennas for Wireless Devices" by Yunfei, Cao, 曹雲飛, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: This thesis presents the designs of a multi-band slot antenna, a frequency-reconfigurable (FR) monopole antenna, a frequency-reconfigurable multiple-input-multiple-output (FR MIMO) antenna, a polarization-reconfigurable (PR) monopole antenna, a new metasurface (MS) and a circular-polarization-reconfigurable metasurface (CPR MS) monopole antenna. The multi-band slot antenna consists of a rectangular slot, a T-shaped feeding patch, an inverted T-shaped stub and two E-shaped stubs and has a compact area. The rectangular slot and the inverted T-shaped stub together generate the 1st band. The two E-shaped stubs operating as monopole radiators generate the 2nd band. By using a double-folded stub in the T-shaped feeding patch, two resonant frequencies, i.e., 3rd and 4th bands, can be generated and tuned independently. With this method, the slot antenna can have four operating bands and a size smaller than the previous works. The effect of the feeding cable used in measurement and of the cover used in wireless devices is also investigated. In the FR planar monopole antenna, the radiator consists of two sections, section I and II, which are connected together using a PIN-diode. Section I alone generates a high-frequency band, while section II, when electrically connected together with section I using the PIN-diode, generates a low-frequency band. The radiator of the antenna is meandered for compact size. Continuous tuning of the two operating bands is accomplished by placing a varactor on section I of the radiator, leading to a wide tuning range of 2.39-3.0 GHz. With the use of this technique, a FR monopole antenna and a FR MIMO monopole antenna with wide-continuous tuning are designed. In the FR MIMO monopole antenna, a reconfigurable defected ground structure (DGS) employing two PIN diodes is designed to switch isolation across the whole tuning band. A simple and novel biasing circuit using only three direct current (DC) wires is designed to bias the diodes. The PR monopole antenna consists of two meandered radiators placed perpendicular to each other, a feeding network using the Wilkinson power divider, two switchable 900-phase shifters with PIN-diode switches for control, and a DGS. The antenna is more compact and has a wider axial-ratio bandwidth than those of the previous PR antennas. A phase shifter and a double-pole double-throw (DPDT) switch are used to reduce the complexity of the biasing circuit, and a metallic reflector is placed at the back of the antenna to increase the boresight gain. The dual-cap mushroom-like metasurface (MS) is a new design, with each unit cell having a simple patch with a centered via on one side of the substrate and a meandered slot on the other side. The meandered slot introduces inductive effect to lower down the operating frequency and increase the operating bandwidth. The dual-cap mushroom-like MS is used in the design of a compact CPR MS monopole antenna to enhance the boresight gain and bandwidth. Subjects: Antennas (Electronics)
