Principles of Inductive Near Field Communications for Internet of Things

River Publishers
1
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Near field communication devices and the emerging field of Internet of things require efficient short range communication techniques. Classical telecommunication theory however has so far focused on radiating electromagnetic signals which is more suited to terrestrial communication systems. Over the last decade however considerable research and applications of inductive methods have emerged as innovative approaches for secure short range communications by changing the paradigm of an established model of electromagnetic communications. We have witnessed the emergence of embedded inductive medical devices, magneto-inductive waveguides, inductive pots and cooking devices, magneto-inductive sensors, wireless power transfer, inductive hearing aids and the emerging inductive point-to-point communication specifically termed near-field communication (NFC) as used in mobile phones and payment cards to name a few. While there exist a large set of distributed methods and algorithms detailing the design and performances of such applications, a significant gap is observed as a lack of detailed collection of the methods in one place which could be easily understood and used quickly by someone seeking to apply the methods. In this book this missing gap is filled with the required details and the theory of near field communication systems including both the radiating and reactive (energy coupling) near-field systems in addition to the well known far field radiation techniques. The book details the fundamental expressions and design methods which facilitate the creation of near field devices and equipment including embedded biomedical implants. The book contains recent advances in inductive communications, performance, limitations and a collection of applications. It also lays a strong foundation for the application of inductive methods for creating Internet of Things systems The topics discussed in the book in great details include: Near field and far field methods Circuit models of inductive antennas; Inductive methods in embedded medical devices Range and capacity extension methods including multiple-input and multiple-output inductive systems; Coding and modulation techniques; Narrowband and broadband methods; Magnetic link budgets; Crosstalk Magnetic induction waveguide devices and a Near field Simulator in Matlab The book is a compendium and design methods for inductive near field technologies and is ideal for design personnel in the wireless communication industries as well as academic staff and master/research students in computer science, wireless sensors, telecommunications systems research, electrical engineering and Internet of things. It is a useful guide for undergraduate student to appreciate the role of inductive circuits and magnetism in telecommunications and electronic devices in general.
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Publisher
River Publishers
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Published on
Nov 23, 2011
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Pages
406
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ISBN
9788792982841
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Language
English
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Genres
Technology & Engineering / Telecommunications
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Content Protection
This content is DRM protected.
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Nikola Tesla dream in the early 20th century of a “World Wireless System” led him to build the Wardenclyffe Tower, a prototype base station serving as an emitter for his “World Wireless System”. The base station was to supply wireless supply of electrical energy to a distant receiver. This book builds upon that dream and is a result of intensive research interest in powerline, machine to machine communications and wireless power transfer globally. Wireless energy transfer or Witricity (WIreless elecTRICITY) transfers electricity instead of data. The technology is useful in cases where instantaneous or continuous energy is needed but interconnecting wires are inconvenient, hazardous, or impossible. The transfer is made through inductive coupling and electromagnetic radiation. Inductive coupling provides optimum power delivery to a receiver load if both the emitter and the receiver achieve magnetic resonance concurrently. Energy transfer systems mostly use antennas operating in their near field regions. As fossil energy sources are being depleted rapidly worldwide and oil prices soar, solar energy enhanced with wireless power transfer (WPT) have become reasonable alternatives for renewable energy and power harvesting. They are finding use in transportation, electric and hybrid vehicles, very fast trains and the emerging field of Internet of Things. This book is written by the leading experts on wireless energy transfer technology and its applications. It introduces and explains the technology in great details and provides the theory and practice of WPT through the two approaches of coupled mode theory and circuit theory. Both approaches are dependent on resonance techniques. The level of presentation is suitable for design and training. In depth coverage is provided on near field concepts; coupled-mode theory and models; circuit models of inductive antennas; radiative and inductive wireless power transfer, wireless power relay concepts, optimization techniques for wireless power transfer systems, control of wireless power transfer systems, wireless charging concepts; wireless energy transfer applications in electric vehicles, embedded medical systems and propagation in human tissues. Each chapter is written by experts on a selected aspect of wireless energy transfer. The authors have gone to great lengths to provide worked examples to assist the reader in working through some of the difficult concepts and to allow more understanding. The book is an excellent foundation for applying wireless energy transfer technologies in most fields including transportation, communication, home automation, biomedical systems and home appliances. The book is recommended to practitioners and engineers in the power industry, students in universities and research institutes. Honours and post graduate students in Physics, electrical/electronic engineering and computer science will find the book easy to read and apply because of the mode of presentation. Contents: • Power Transfer by Magnetic Induction Using Coupled Mode Theory • Wireless Power Transfer With Strongly Coupled Magnetic Resonance • Low Power Rectenna Systems for Wireless Energy Transfer • Inductive Wireless Power Transfer Using Circuit Theory • Magnetic Resonant Wireless Power Transfer • Techniques for Optimal Wireless Power Transfer Systems • Directional Tuning/Detuning Control of Wireless Power Pickups • Technology Overview and Concept of Wireless Charging Systems • Wireless Power Transfer in On-Line Electric Vehicle • Wireless Powering and Propagation of Radio Frequencies Through Tissue • Microwave Propagation and Inductive Energy Coupling in Biological Skin for Body Area Network Channels
An eye-opening account of how the hidden rise of personalization on the Internet is controlling-and limiting-the information we consume.

In December 2009, Google began customizing its search results for each user. Instead of giving you the most broadly popular result, Google now tries to predict what you are most likely to click on. According to MoveOn.org board president Eli Pariser, Google's change in policy is symptomatic of the most significant shift to take place on the Web in recent years-the rise of personalization. In this groundbreaking investigation of the new hidden Web, Pariser uncovers how this growing trend threatens to control how we consume and share information as a society-and reveals what we can do about it.

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While we all worry that the Internet is eroding privacy or shrinking our attention spans, Pariser uncovers a more pernicious and far- reaching trend on the Internet and shows how we can- and must-change course. With vivid detail and remarkable scope, The Filter Bubble reveals how personalization undermines the Internet's original purpose as an open platform for the spread of ideas and could leave us all in an isolated, echoing world.
Get Your Move On!

In Making Things Move: DIY Mechanisms for Inventors, Hobbyists, and Artists, you'll learn how to successfully build moving mechanisms through non-technical explanations, examples, and do-it-yourself projects--from kinetic art installations to creative toys to energy-harvesting devices. Photographs, illustrations, screen shots, and images of 3D models are included for each project.

This unique resource emphasizes using off-the-shelf components, readily available materials, and accessible fabrication techniques. Simple projects give you hands-on practice applying the skills covered in each chapter, and more complex projects at the end of the book incorporate topics from multiple chapters. Turn your imaginative ideas into reality with help from this practical, inventive guide.

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TAB, an imprint of McGraw-Hill Professional, is a leading publisher of DIY technology books for makers, hackers, and electronics hobbyists.

Packed with information, authoritative, up to date, covering all major topics - and written in plain English - Telecom 101 Telecommunications Reference Book is an invaluable textbook and day-to-day reference on telecommunications.

Telecom 101 covers the core knowledge set required in the telecommunications business today: the technologies, the players, the products and services, jargon and buzzwords, and most importantly, the underlying ideas... and how it all fits together.

The course materials for Teracom’s famous Course 101 Telecom, Datacom and Networking for Non-Engineers, augmented with additional topics and bound in this one volume bring you consistency, completeness and unbeatable value.

Our approach can be summed up with a simple philosophy: Start at the beginning.  Progress in a logical order.  Build one concept on top of another.  Finish at the end.  Avoid jargon.  Speak in plain English.

Bust the buzzwords, demystify jargon, and cut through doubletalk!
Fill gaps and build a solid base of structured knowledge.
Understand how everything fits together.
... knowledge and understanding that lasts a lifetime.

Ideal for anyone needing a book covering all major topics in telecom, data communications, IP and networking… in plain English.

A wealth of clear, concise, organized knowledge, impossible to find in one place anywhere else!

Join thousands of satisfied customers.  Get your copy today!

7" x 9" softcover textbook • 488 pages
4th edition • Published March 2016
print ISBN 9781894887038
eBook ISBN 9781894887786
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Your Go-To Telecommunications Resource

Covering all major topics, we begin with the Public Switched Telephone Network (PSTN), then
• progress in a logical order, building one concept on top of another,
• from voice and data fundamentals to digital, packets, IP and Ethernet, VoIP,
• fiber and wireless, DSL and cable, routers and networks, MPLS, ISPs and CDNs,
• and finish with the Brave New World of IP Telecom, where voice, data and video are the same thing.

• An invaluable day-to-day reference handbook

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Written by our top instructor, Eric Coll, M.Eng., Telecom 101 contain 35 years of knowledge and learning distilled and organized into an invaluable study guide and practical day-to-day reference for non-engineers.

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Chapter List

Telecom 101 is composed of three parts: Fundamentals of Telecommunications, Telecommunications Technologies, and the IP Telecommunications Network.

PART I  FUNDAMENTALS OF TELECOMMUNICATIONS

1 INTRODUCTION
2 FUNDAMENTALS OF TELEPHONY
3 SWITCHING
4 THE TELECOMMUNICATIONS INDUSTRY

We begin with the fundamentals of telephony and the telephone network – the basis for understanding everything else.

First is the Public Switched Telephone Network (PSTN): loops and trunks, circuit-switching, analog, the voiceband and Plain Ordinary Telephone Service (POTS). Plus, new for the fourth edition: Voice over IP (VoIP) is now part of the fundamentals.

Next is switching, starting with traditional telephone switches: Centrex, PBX and PBX trunks, and how that relates to the newer ideas of softswitches, Hosted PBX and SIP trunking.

This part is completed with a chapter on the telecommunications business: Local Exchange Carriers and Inter-Exchange Carriers, ILECs and CLECs, the main players and how carriers interconnect.

PART II TELECOMMUNICATIONS TECHNOLOGIES

5 DIGITAL
6 TRANSMISSION SYSTEMS
7 THE NETWORK CLOUD AND SERVICE PROVISIONING
8 FIBER OPTICS
9 DSL AND CABLE MODEMS: LAST MILE ON COPPER
10 WIRELESS

The second part is devoted to telecommunications technologies: the actual methods used to implement circuits and services.

We begin with digital: what digital is, how voice and video are digitized, and how digitized information is actually transmitted.

The next chapter is transmission systems: the high-capacity systems developed to carry many users’ traffic. This starts with the installed base of channelized systems, the hierarchy of DS0, DS1 and DS3 rates and an overview of T1, T3, SONET and ISDN.

Then our attention turns to the new generation packetized systems, introducing the concepts of overbooking and bandwidth on demand instead of channels, how this is implemented with frames and packets, coexistence and transition from channels to packets.

Then we understand the “Network Cloud”, how services are actually implemented, the three basic types of services and the equipment used for each.

Completing this part are chapters on the technologies used to implement the network:

Fiber Optics, including fundamentals of fiber, wave-division multiplexing, the network core, Metropolitan Area Networks, Passive Optical Networks and fiber to the premise.

Last Mile on Copper: DSL and Cable Modems, including fundamentals of modems, DSLAMs, VDSL, broadband and cable modems.

Wireless, concentrating on mobile communications: cellular and mobility concepts, the technologies TDMA, CDMA and OFDM, the generations from 1G to 4G, and the systems GSM, UMTS, 1X and LTE. This chapter is completed with WiFi and satellite.

PART III THE IP PACKET-SWITCHED TELECOM NETWORK (IP-PSTN)

11 "DATA" COMMUNICATIONS CONCEPTS
12 CODING, FRAMES AND PACKETS
13 THE OSI LAYERS AND PROTOCOL STACKS
14 ETHERNET, LANS AND VLANS
15 IP NETWORKS, ROUTERS AND ADDRESSES
16 MPLS AND CARRIER NETWORKS
17 THE INTERNET
18 WRAPPING UP

The third part of Telecom 101 is dedicated to the new-generation IP telecommunications network.

We begin by understanding how convergence was achieved by treating voice and video like data – then accordingly, cover the fundamentals of what used to be called “data communications”: DTEs, DCEs, LANs and WANs and the crucial concepts of packets and frames.

There are so many functions that need to be performed to implement phone calls, television, web browsing, email and everything else over the IP network, a structure is necessary to be able to identify and discuss separate issues separately. For this purpose, there is a chapter on the OSI Reference Model and its layers, identifying what the layers are, examples of protocols for each layer and how they work together in a protocol stack.

Then we begin moving up the layers. The next chapter is on Ethernet, LANs and VLANs (Layer 2), including MAC addresses and MAC frames, LAN cables, Optical Ethernet, LAN switches and how VLANs are used to separate traffic.

The next chapter is all about IP (Layer 3): how routers implement the network, routing tables, IP addresses, subnets, IPv4 address classes, static addresses, dynamic addresses and DHCP; public addresses, private addresses and NAT; and an overview of IP version 6.

On a real-world telecom network, a traffic management system is required. This is implemented with a technique called in general virtual circuits, and in particular with MPLS. The next chapter in the book covers the fundamentals, briefly reviews legacy technologies X.25, Frame Relay and ATM, then focuses on MPLS and how it is used to implement VPNs, Class of Service, service integration and traffic aggregation.

The last main chapter is on the Internet: its origins, what an ISP is and how an ISP connects to the rest of the Internet via transit and peering, the web, the Domain Name System, HTML and HTTP, SSL, MIME and base- 64 encoding for email, Internet telephony and Internet VPNs vs. business customer “MPLS service”.

The final chapter is a summary and wrap-up, covering technology deployment from the top down, useful reference charts listing all of the technologies, standard network designs and ending with a look at The Future.

APPENDICES

Telecommunications technology is in constant change – and some technologies that used to be of prime importance are not so important today, and so have been moved from the main part of the book into appendices. 

The very last part of the book provides a comprehensive list decoding mainstream acronyms and abbreviations used in telecom.

A ALL ABOUT T1
B LEGACY VOICE SERVICES AND JARGON
C ACRONYMS AND ABBREVIATIONS

Telecom 101
7" x 9" softcover textbook • 488 pages
4th edition • Published March 2016
print ISBN 9781894887038
eBook ISBN 9781894887786  

Get your copy today!

Nikola Tesla dream in the early 20th century of a “World Wireless System” led him to build the Wardenclyffe Tower, a prototype base station serving as an emitter for his “World Wireless System”. The base station was to supply wireless supply of electrical energy to a distant receiver. This book builds upon that dream and is a result of intensive research interest in powerline, machine to machine communications and wireless power transfer globally. Wireless energy transfer or Witricity (WIreless elecTRICITY) transfers electricity instead of data. The technology is useful in cases where instantaneous or continuous energy is needed but interconnecting wires are inconvenient, hazardous, or impossible. The transfer is made through inductive coupling and electromagnetic radiation. Inductive coupling provides optimum power delivery to a receiver load if both the emitter and the receiver achieve magnetic resonance concurrently. Energy transfer systems mostly use antennas operating in their near field regions. As fossil energy sources are being depleted rapidly worldwide and oil prices soar, solar energy enhanced with wireless power transfer (WPT) have become reasonable alternatives for renewable energy and power harvesting. They are finding use in transportation, electric and hybrid vehicles, very fast trains and the emerging field of Internet of Things. This book is written by the leading experts on wireless energy transfer technology and its applications. It introduces and explains the technology in great details and provides the theory and practice of WPT through the two approaches of coupled mode theory and circuit theory. Both approaches are dependent on resonance techniques. The level of presentation is suitable for design and training. In depth coverage is provided on near field concepts; coupled-mode theory and models; circuit models of inductive antennas; radiative and inductive wireless power transfer, wireless power relay concepts, optimization techniques for wireless power transfer systems, control of wireless power transfer systems, wireless charging concepts; wireless energy transfer applications in electric vehicles, embedded medical systems and propagation in human tissues. Each chapter is written by experts on a selected aspect of wireless energy transfer. The authors have gone to great lengths to provide worked examples to assist the reader in working through some of the difficult concepts and to allow more understanding. The book is an excellent foundation for applying wireless energy transfer technologies in most fields including transportation, communication, home automation, biomedical systems and home appliances. The book is recommended to practitioners and engineers in the power industry, students in universities and research institutes. Honours and post graduate students in Physics, electrical/electronic engineering and computer science will find the book easy to read and apply because of the mode of presentation. Contents: • Power Transfer by Magnetic Induction Using Coupled Mode Theory • Wireless Power Transfer With Strongly Coupled Magnetic Resonance • Low Power Rectenna Systems for Wireless Energy Transfer • Inductive Wireless Power Transfer Using Circuit Theory • Magnetic Resonant Wireless Power Transfer • Techniques for Optimal Wireless Power Transfer Systems • Directional Tuning/Detuning Control of Wireless Power Pickups • Technology Overview and Concept of Wireless Charging Systems • Wireless Power Transfer in On-Line Electric Vehicle • Wireless Powering and Propagation of Radio Frequencies Through Tissue • Microwave Propagation and Inductive Energy Coupling in Biological Skin for Body Area Network Channels
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