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Compact Slot Array Antennas for Wireless Communications

2018-11-11 Technology & Engineering
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Release : 2018-11-11
Genre : Technology & Engineering
Kind : eBook
Book Rating : 532/5 ( reviews)

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Book Synopsis Compact Slot Array Antennas for Wireless Communications by : Alan J. Sangster

Download or read book Compact Slot Array Antennas for Wireless Communications written by Alan J. Sangster. This book was released on 2018-11-11. Available in PDF, EPUB and Kindle. Book excerpt: This book describes and provides design guidelines for antennas that achieve compactness by using the slot radiator as the fundamental building block within a periodic array, rather than a phased array. It provides the basic electromagnetic tools required to design and analyse these novel antennas, with sample calculations where relevant. The book presents a focused introduction and valuable insights into the relevant antenna technology, together with an overview of the main directions in the evolving technology of compact planar arrays. While the book discusses the historical evolution of compact array antennas, its main focus is on summarising the extensive body of literature on compact antennas. With regard to the now ubiquitous slot radiator, it seeks to demonstrate how, despite significant antenna size reductions that at times even seem to defy the laws of physics, desirable radiation pattern properties can be preserved. This is supported by an examination of recent advances in frequency selective surfaces and in metamaterials, which can, if handled correctly, be used to facilitate physics-defying designs. The book offers a valuable source of information for communication systems and antenna design engineers, especially thanks to its overview of trends in compact planar arrays, yet will also be of interest to students and researchers, as it provides a focused introduction and insights into this highly relevant antenna technology.

Compact Antennas for Wireless Communications and Terminals

2012-12-27 Technology & Engineering
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Release : 2012-12-27
Genre : Technology & Engineering
Kind : eBook
Book Rating : 400/5 ( reviews)

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Book Synopsis Compact Antennas for Wireless Communications and Terminals by : Jean-Marc Laheurte

Download or read book Compact Antennas for Wireless Communications and Terminals written by Jean-Marc Laheurte. This book was released on 2012-12-27. Available in PDF, EPUB and Kindle. Book excerpt: Compact Antennas for Wireless Communications and Terminals deals with compact microwave antennas and, more specifically, with the planar version of these antennas. Planar antennas are the most appropriate type of antenna in modern communication systems and more generally in all applications requiring miniaturization, integration and conformation such as in mobile phone handsets. The book is suitable for students, engineers and scientists eager to understand the principles of planar and small antennas, their design and fabrication issues, and modern aspects such as UWB antennas, reconfigurable antennas and diversity issues.

Wideband, Multiband, and Smart Reconfigurable Antennas for Modern Wireless Communications

2015-08-26 Technology & Engineering
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Release : 2015-08-26
Genre : Technology & Engineering
Kind : eBook
Book Rating : 464/5 ( reviews)

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Book Synopsis Wideband, Multiband, and Smart Reconfigurable Antennas for Modern Wireless Communications by : Matin, Mohammad A.

Download or read book Wideband, Multiband, and Smart Reconfigurable Antennas for Modern Wireless Communications written by Matin, Mohammad A.. This book was released on 2015-08-26. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Omnidirectional Slots Antenna

2020-12-03 Technology & Engineering
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Release : 2020-12-03
Genre : Technology & Engineering
Kind : eBook
Book Rating : 893/5 ( reviews)

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Book Synopsis Omnidirectional Slots Antenna by : Junping Geng

Download or read book Omnidirectional Slots Antenna written by Junping Geng. This book was released on 2020-12-03. Available in PDF, EPUB and Kindle. Book excerpt: Omnidirectional antenna with high gain, low profile, vertical polarization, even CP polarization is very difficult to design, although it is from the dipole. In this book, a novel idea that the running wave in the coaxial wire is disturbed by the orthogonal slot array on the cylindrical metal shell is introduced, which radiates the CP wave in omni-direction. When feeding on two ends of the coaxial wire respectively, there will appear left hand circularly polarized (LHCP) omnidirectional radiation or right hand circularly polarized (RHCP) omnidirectional radiation. By introducing the T-shaped feed structure, the coaxial wire with slot array can conveniently produce the LHCP and RHCP radiation diversity with one end feeding. In the further, combining with the directional antenna, it will generate the pattern diversity in the half-sphere space. The antenna of the coaxial wire with slot array can further transform into conical CP beam antenna if the coaxial wire becomes into a conical frustum. By introducing the PIN diode into the slot, the antenna of the coaxial wire with slot array can radiate the reconfigurable directional beam by switching the states of the PIN diodes. By introducing a novel switchable microwave circuit, the omnidirectional /directional pattern switchable antenna can be realized easily.This book proposes a continues method to develop the potentialities of the omnidirectional antenna. And the readers can study the method or ideas of the omnidirectional slots antenna, even graft the CP or diversity methods to other antennae.

Antennas for Small Mobile Terminals

2018-09-30 Technology & Engineering
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Release : 2018-09-30
Genre : Technology & Engineering
Kind : eBook
Book Rating : 217/5 ( reviews)

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Book Synopsis Antennas for Small Mobile Terminals by : Kyohei Fujimoto

Download or read book Antennas for Small Mobile Terminals written by Kyohei Fujimoto. This book was released on 2018-09-30. Available in PDF, EPUB and Kindle. Book excerpt: With the progress and rapid increase in mobile terminals, the design of antennas for these small systems is becoming more and more important. This forward-looking volume offers professionals current and comprehensive coverage of the design, development, and implementation of small, compact, and lightweight antennas in mobile communication terminals. The book discusses a wide range of communication systems, from Radio-frequency identification (RFID), and near field communications (NFC), to wireless power transmission (WPT) and broadband wireless networks. Engineers learn how to use small antennas in mobile phones, wearable systems, laptop computers, radio watches, and broadband wireless networks such as WLAN and WiMAX. This definite reference covers the critical applications today’s professionals need to understand, from antennas for IoT and antenna design for 5G mm-wave devices, to body-centric communication systems and antennas for unmanned aerial vehicles.

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