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Author: Ozan Dogan Gurbuz Publisher: ISBN: Category : Languages : en Pages : 107
Book Description
This thesis focuses on two main subjects; mm-wave and THz on-chip antennas for imaging, signal generation and radiometry applications and tunable high performance circuits for cellular communications. First, three on-chip antennas designed at 360 GHz for imaging, designed at 375 GHz for THz signal generation and designed at 160 GHz for radiometry are presented. The antennas are implemented in commercially available integrated circuit (IC) processes following an approach which does not required post processing on the silicon chip after fabrication. For all three antennas the radiating structures are isolated from the lossy silicon by a ground and loaded by a superstrate for enhanced gain and efficiency. In commercial IC processes metal fill structures are included in the designs to comply with the strict fabrication rules and a new approach has been proposed on placing the metal fills to enhance the gain and efficiency further. Second, two different tunable circuits have been designed for cellular systems. First circuit is a tunable phase shifter designed incorporating a tunable coupler which allows operation over a wide frequency range to meet the requirements of future communication systems. Second circuit is a tunable notch filter designed to be planar for small volume and very low-loss for high performance. RF MEMS devices are used as tuning elements in both circuits to get the low-loss performance and high linearity required by modern communication systems.
Author: Ozan Dogan Gurbuz Publisher: ISBN: Category : Languages : en Pages : 107
Book Description
This thesis focuses on two main subjects; mm-wave and THz on-chip antennas for imaging, signal generation and radiometry applications and tunable high performance circuits for cellular communications. First, three on-chip antennas designed at 360 GHz for imaging, designed at 375 GHz for THz signal generation and designed at 160 GHz for radiometry are presented. The antennas are implemented in commercially available integrated circuit (IC) processes following an approach which does not required post processing on the silicon chip after fabrication. For all three antennas the radiating structures are isolated from the lossy silicon by a ground and loaded by a superstrate for enhanced gain and efficiency. In commercial IC processes metal fill structures are included in the designs to comply with the strict fabrication rules and a new approach has been proposed on placing the metal fills to enhance the gain and efficiency further. Second, two different tunable circuits have been designed for cellular systems. First circuit is a tunable phase shifter designed incorporating a tunable coupler which allows operation over a wide frequency range to meet the requirements of future communication systems. Second circuit is a tunable notch filter designed to be planar for small volume and very low-loss for high performance. RF MEMS devices are used as tuning elements in both circuits to get the low-loss performance and high linearity required by modern communication systems.
Author: Duixian Liu Publisher: John Wiley & Sons ISBN: 9780470742952 Category : Technology & Engineering Languages : en Pages : 850
Book Description
This book explains one of the hottest topics in wireless and electronic devices community, namely the wireless communication at mmWave frequencies, especially at the 60 GHz ISM band. It provides the reader with knowledge and techniques for mmWave antenna design, evaluation, antenna and chip packaging. Addresses practical engineering issues such as RF material evaluation and selection, antenna and packaging requirements, manufacturing tolerances, antenna and system interconnections, and antenna One of the first books to discuss the emerging research and application areas, particularly chip packages with integrated antennas, wafer scale mmWave phased arrays and imaging Contains a good number of case studies to aid understanding Provides the antenna and packaging technologies for the latest and emerging applications with the emphases on antenna integrations for practical applications such as wireless USB, wireless video, phase array, automobile collision avoidance radar, and imaging
Author: Hammad M. Cheema Publisher: Artech House ISBN: 1608078191 Category : Technology & Engineering Languages : en Pages : 275
Book Description
Antennas are essential part of every wireless communication system. The increasing trend of applications in the radio frequency (RF) and millimeter wave frequency spectrum has reduced the antenna sizes to only a few millimeters, which makes it practical for on-chip implementations. Integrated Circuit (IC) designers who have traditionally remained isolated from antenna design now need to understand its design process and trade-offs. This comprehensive resource addresses the challenges, benefits and trade-offs of on-chip antenna implementation. It presents practical design and integration considerations of the IC and antenna combination and how both ends of the system can be utilized in a complimentary way. The book includes on-chip antenna layout considerations, layout for testability and various methods of their characterization. A look at the future trends and utilization of on-chip antennas for different applications concludes the book.
Author: Uri Nissanov Publisher: Springer Nature ISBN: 3031359003 Category : Technology & Engineering Languages : en Pages : 329
Book Description
This book discusses terahertz (THz) wireless communication, particularly for 6G enabling technologies, including antenna design, and channel modeling with channel characteristics for the success of reliable 6G wireless communication. The authors describe THz microstrip antenna technologies with different substrates and introduce some useful substrates to reduce the conductor and substrate losses at the THz frequencies. The discussion also includes the design of the THz unit-cell microstrip antenna and the techniques to boost the microstrip antennas' gain, directivity, and impedance bandwidth (BW), which influence the wireless communication range which is highly affected by the path losses of atmospheric conditions, and transmit and receive data rates, respectively. Moreover, this book discusses the multi-beam and beamforming THz antenna technologies with the multi-user-multiple-input-multiple-output (MU-MIMO) features. Additionally, this book describes the reconfigurable capabilities, artificial intelligence, machine learning, and deep learning technologies that will influence the success of 6G wireless communication and the authors suggest a remedy for integrating multiple radios into the system-on-chip (SoC) design.
Author: Satish K. Sharma Publisher: John Wiley & Sons ISBN: 1119534976 Category : Technology & Engineering Languages : en Pages : 464
Book Description
MULTIFUNCTIONAL ANTENNAS AND ARRAYS FOR WIRELESS COMMUNICATION SYSTEMS Offers an up-to-date discussion of multifunctional antennas and arrays for wireless communication systems Multifunctional Antennas and Arrays for Wireless Communication Systems is a comprehensive reference on state-of-the-art reconfigurable antennas and 4G/5G communication antennas. The book gives a unique perspective while giving a comprehensive overview of the following topics: Frequency reconfigurable antennas Pattern reconfigurable antennas Polarization reconfigurable antennas Reconfigurable antennas using Liquid Metal, Piezoelectric, and RF MEMS MIMO and 4G/5G wireless communication antennas Metamaterials and metasurfaces in reconfigurable antennas Multifunctional antennas for user equipments (UEs) Defense related antennas and applications Flat panel phased array antennas The book is a valuable resource for the practicing engineer as well as for those within the research field. As wireless communications continuously evolves, more and more functionally will be required, and thus multifunctional antennas and RF systems will be necessary. These multifunctional antennas will require a degree of reconfigurability, and this book discusses various methods which enable this. The main topics of frequency, pattern, and polarization reconfigurability is first discussed. Methods utilizing unique materials and devices, both real and artificial are discussed. The book also delves into 4G/5G antennas as it relates to MIMO, and millimeter-wave phased arrays. Finally, there is a section on defense related multifunctional RF antenna systems.
Author: Kao-Cheng Huang Publisher: John Wiley & Sons ISBN: 0470712139 Category : Technology & Engineering Languages : en Pages : 296
Book Description
Complete and comprehensive application-focused reference on millimetre wave antennas Millimetre Wave Antennas for Gigabit Wireless Communications covers a vast wealth of material with a strong focus on the current design and analysis principles of millimetre wave antennas for wireless devices. It provides practising engineers with the design rules and considerations required in designing antennas for the terminal. The authors include coverage of new configurations with advanced angular and frequency filtering characteristics, new design and analysis techniques, and methods for filter miniaturization. The book reviews up-to-date research results and utilizes numerous design examples to emphasize computer analysis and synthesis whilst also discussing the applications of commercially available software. Key Features: Advanced and up-to-date treatment of one of the fastest growing fields of wireless communications Covers topics such as Gigabit wireless communications and its required antennas, passive and active antenna design and analysis techniques, multibeam antennas and MIMO, IEEE 802.15.3c, WiMedia®, and advanced materials and technologies Offers a practical guide to integrated antennas for specific configurations requirements Addresses a number of complex, real-world problems that system and antenna engineers are going to face in millimetre-wave communications industry and provides solutions Contains detailed design examples, drawings and predicted performance This book is an invaluable tool for antenna professionals (engineers, designers, and developers), microwave professionals, wireless communication system professionals, and industries with microwave and millimetre wave research projects. Advanced students and researchers working in the field of millimetre wave engineering will also find this book very useful.
Author: CMOS Emerging Technologies Research Publisher: CMOS Emerging Technologies ISBN: 1927500451 Category : Languages : en Pages : 63
Book Description
A collection of abstracts for talks presented at the 2014 CMOS Emerging Technologies Research Symposium in Grenoble, France, July 6-8, 2014. The CMOS Emerging Technologies Research Symposium is a research and business event for those who want to discuss and find out about new exciting high tech opportunities. The conference provides researchers, companies and academic institutions with a platform for showcasing their technology, innovations, products and services. By bringing together people from all areas of the high tech arena, we create a stimulating common ground for exploring collaborations and encouraging discussions on emerging technologies.
Author: Jaco du Preez Publisher: Springer ISBN: 3319350684 Category : Technology & Engineering Languages : en Pages : 165
Book Description
This book comprehensively reviews the state of the art in millimeter-wave antennas, traces important recent developments and provides information on a wide range of antenna configurations and applications. While fundamental theoretical aspects are discussed whenever necessary, the book primarily focuses on design principles and concepts, manufacture, measurement techniques, and practical results. Each of the various antenna types scalable to millimeter-wave dimensions is considered individually, with coverage of leaky-wave and surface-wave antennas, printed antennas, integrated antennas, and reflector and lens systems. The final two chapters address the subject from a systems perspective, providing an overview of supporting circuitry and examining in detail diverse millimeter-wave applications, including high-speed wireless communications, radio astronomy, and radar. The vast amount of information now available on millimeter-wave systems can be daunting for researchers and designers entering the field. This book offers readers essential guidance, helping them to gain a thorough understanding based on the most recent research findings and serving as a sound basis for informed decision-making.
Author: Kumud Ranjan Jha Publisher: Springer Science & Business Media ISBN: 3319023411 Category : Technology & Engineering Languages : en Pages : 221
Book Description
This book describes various methods to enhance the directivity of planar antennas, enabling the next generation of high frequency, wireless communication. The authors discuss various applications to the terahertz regime of the electromagnetic spectrum, with an emphasis on gain enhancement mechanisms. The numerical models of these antennas are presented and the analytical results are supported, using commercial simulators. The multilayer substrate microstrip transmission line at terahertz frequency is also explored and a method to obtain the various parameters of this interconnect at high frequency is described. This book will be a valuable resource for anyone needing to explore the terahertz band gap for future wireless communication, in an effort to solve the bandwidth (spectrum scarcity) problem.
Author: Ozan Dogan Gurbuz
Author: Ozan Dogan Gurbuz
Author: Duixian Liu
Author: Hammad M. Cheema
Author: Uri Nissanov
Author: Hemant Kumar
Author: Satish K. Sharma
Author: Kao-Cheng Huang
Author: CMOS Emerging Technologies Research
Author: Jaco du Preez
Author: Kumud Ranjan Jha