WiMedia UWB
WiMedia UWB

Author: Ghobad Heidari

Publisher: John Wiley & Sons

Published: 2008-09-15

Total Pages: 308

ISBN-13: 047071560X

DOWNLOAD EBOOK

UWB (ultra-wideband) has been investigated for many decades but only recently has it become commercially viable. With the advent of WiMedia UWB technology and its associated standard specifications, the stage is set for the next generation of WPAN applications to take root. WiMedia UWB focuses on the ECMA-368 standard. Both PHY layer and MAC sublayers specified in this standard are explained in great detail. The book offers not only the facts about the requirements of the standard, but also the motivation and logic behind them. To give a comprehensive perspective of the UWB technology to the reader, other interrelated topics are also examined in this book. These include the history of UWB and its recent standardization attempts; UWB applications and advantages; UWB spectrum allocation and regulations around the world; UWB platform clients: Certified Wireless USB (CW-USB), Bluetooth, and WLP (WiMedia Link layer Protocol, which enables Internet Protocol over UWB); as well as some important implementation issues and considerations. As the first application of WiMedia UWB, CW-USB is given a special and more comprehensive treatment. This book is ideal for any engineer or engineering managers who are expecting to either develop a solution based on UWB or to integrate it with other devices. It will also be of interest to researchers who require an overview or an interpretation of the technology. One of the first books to describe the WiMedia standards (PHY and MAC) in detail A comprehensive approach to de-obfuscating the entire WiMedia UWB technology, from the PHY through the MAC, the MAC clients, the applications, and the regulations Includes a description of the CW-USB standard and its relation to WiMedia MAC Provides an up-to-date view of the UWB spectrum allocations and associated regulations around the world Derived from hands-on experiences in WiMedia UWB standards and system development efforts.

Essentials of UWB
Essentials of UWB

Author: Stephen Wood

Publisher: Cambridge University Press

Published: 2008-06-26

Total Pages: 205

ISBN-13: 1139472437

DOWNLOAD EBOOK

If you are involved in designing, building, selling or regulating UWB devices, this concise and practical guide to UWB technology, standards, regulation, and intellectual property issues will quickly bring you up-to-speed. Packed with practical insights, implementation guidelines, and application examples, Essentials of UWB is a must-have resource for wireless professionals working in the field. Written by key figures in the development of UWB, the book describes UWB technology, and evaluates its suitability for applications in communications, radar, and imaging. UWB radios, protocols and implementation are covered, and a thorough account of UWB industry organization completes the picture. This is an invaluable guide for engineers involved in UWB device design, as well as for product marketing managers, sales support engineers and technical managers. It will also appeal to engineers with a deeper technical understanding of UWB who want to gain knowledge of the broader environment and future evolutionary expectations.

Ultra Wideband Systems
Ultra Wideband Systems

Author: Roberto Aiello Ph.D.

Publisher: Elsevier

Published: 2006-06-12

Total Pages: 341

ISBN-13: 0080543340

DOWNLOAD EBOOK

Ultra wideband technology turns the radio spectrum available to wireless applications from a country road into a high-speed ten lane super freeway, and the destination is the future of wireless technology. UWB is a huge leap forward because it offers wide bandwidth with little interference, allowing multiple UWB signals to share a single channel. This multi-author volume, compiled under the guidance of Dr. Roberto Aiello, introduces the theory and concepts behind ultra wideband (UWB) systems as well as their applications. Authors include those involved in creating the UWB standards, researchers, and applications specialists. This book has been broken down into three parts: introduction to UWB, different techniques available, and applications. Within these sections topics covered are UWB spectrum and regulations, UWB channels, modulation techniques, antennas, signal propagation, and UWB transceiver architectures. This book has all the information RF/wireless engineers will need to understand this burgeoning technology. *An all-star list of contributors covers the subject more authoritatively than any single author could *Discusses U.S. and international ultra wideband regulations *Includes material on antenna systems and signal propagation at ultra wideband frequencies

UWB Communication Systems: Conventional and 60 GHz
UWB Communication Systems: Conventional and 60 GHz

Author: Shahriar Emami

Publisher: Springer Science & Business Media

Published: 2013-04-23

Total Pages: 235

ISBN-13: 1461467535

DOWNLOAD EBOOK

In this book the author examines 60 GHz and conventional UWB. The book introduces the fundamentals, architectures, and applications of unified ultra wideband devices. The material includes both theory and practice and introduces ultra wideband communication systems and their applications in a systematic manner. The material is written to enable readers to design, analyze, and evaluate UWB communication systems.

Ultra Wideband Demystified Technologies, Applications, and System Design Considerations
Ultra Wideband Demystified Technologies, Applications, and System Design Considerations

Author: Sunil Jogi

Publisher: CRC Press

Published: 2022-09-01

Total Pages: 248

ISBN-13: 1000793222

DOWNLOAD EBOOK

Ultra Wideband Demystified: Technologies, Applications, and System Design Considerations is a comprehensive text for emerging high speed short range wireless technology of Ultra Wideband. It provides background concepts and information on evolving standards and their development efforts, radio technology, practical system design/implementation and real life applications. The book also deliberates on the regulatory frameworks, security aspects and power management techniques essential to Ultra Wideband usage in consumer devices like portable handheld mobile devices. Important topics as UWB common radio usage for adapting to different existing/new applications and upper layer protocols like Wireless USB are also discussed.ContentsAbstract :• Introduction to Short Range Wireless;• Introduction to Ultra Wideband;• Evolution of UWB Standards;• Physical Layer;• Medium Access Layer;• Advanced MAC Features;• UWB System Design;• Adaptation to Multiple Applications;• Wireless USB;• Converging Marketplace; ReferencesForeword"This book is very timely, unique and fresh in its approach, coming from engineers who have been involved in system design and standard development stages. In particular, the book stands out amongst other literature available because it highlights system designer's viewpoints and because of it covering the whole gamut of technology from practitioner's viewpoints ... I would strongly recommend this book to System Designers, Practicing Engineers, Researchers in Academia and Industry, Product Marketing and Technical strategists for a comprehensive reading on the emerging UWB technologies. I commend Sunil Jogi and Manoj Choudhary for a very timely contribution."Bart Vertenten Chief Architect Connectivity, NXP Semiconductors

Wireless Networking
Wireless Networking

Author: Jack L. Burbank

Publisher: John Wiley & Sons

Published: 2013-05-17

Total Pages: 720

ISBN-13: 1118590783

DOWNLOAD EBOOK

This book focuses on providing a detailed and practical explanation of key existing and emerging wireless networking technologies and trends,while minimizing the amount of theoretical background information. The book also goes beyond simply presenting what the technology is, but also examines why the technology is the way it is, the history of its development, standardization, and deployment. The book also describes how each technology is used, what problems it was designed to solve, what problems it was not designed to solve., how it relates to other technologies in the marketplace, and internetworking challenges faced withing the context of the Internet, as well as providing deployment trends and standardization trends. Finally, this book decomposes evolving wireless technologies to identify key technical and usage trends in order to discuss the likely characteristics of future wireless networks.

Green Communication in 4G Wireless Systems
Green Communication in 4G Wireless Systems

Author: Shahid Mumtaz

Publisher: River Publishers

Published: 2013-03-15

Total Pages: 278

ISBN-13: 8792982050

DOWNLOAD EBOOK

Green communication has emerged as one of the most important research topics for radio systems. This leads us to develop an energy-efficient mechanism which adjusts transmission power according to the traffic load and reduces the energy per bit usage. For the vision of Europe 2020 as a smart, sustainable and inclusive economy to become reality, the EU have set forth the 20:20:20 targets by which greenhouse gas emissions and energy reduction of primary use should be reduced by 20% while 20% of energy consumption should come from renewable resources. In fact, in today's energy-conscious society, Information and Communication Technology (ICT) accounts for 2% of the global CO2 emissions. A medium-sized cellular network uses as much energy as 170,000 homes, while the cost of powering the existing BSs accounts for a staggering 50% of a service provider's overall expenses. Therefore, new solutions are required whereby operators can accommodate additional traffic volume whilst reducing their investment in new infrastructure and beyond that significantly reduces their energy bill. Moreover, the EU political agenda, in unison with expected growth in mobile data, has identified cost and energy per bit reduction as a stringent design requirement for mobile networks of the future. Green Communication for 4G Wireless Systems mainly covers energy efficient techniques in physical, MAC and network layers. Cross-layer energy efficiency optimization in time and frequency has been also discussed with two fundamental tradeoffs, energy efficiency and spectral efficiency. This technical introduction to Green Communication in 4G wireless systems, explaining the rather complex standards (3GPP Releases R10 and R11), is a must-read for engineers, decision-makers and students interested in Green Communication, as well as other researchers and scientists from this evolving field.

Wireless Home Networking For Dummies
Wireless Home Networking For Dummies

Author: Danny Briere

Publisher: John Wiley & Sons

Published: 2011-02-08

Total Pages: 421

ISBN-13: 1118052455

DOWNLOAD EBOOK

Wireless home networks are better than ever! The emergence of new industry standards has made them easier, more convenient, less expensive to own and operate. Still, you need to know what to look for (and look out for), and the expert guidance you’ll find in Wireless Home Networks For Dummies, 3rd Edition helps you ensure that your wire-free life is also a hassle-free life! This user-friendly, plain-English guide delivers all of the tips, tricks, and knowledge you need to plan your wireless home network, evaluate and select the equipment that will work best for you, install and configure your wireless network, and much more. You’ll find out how to share your Internet connection over your network, as well as files, printers, and other peripherals. And, you’ll learn how to avoid the “gotchas” that can creep in when you least expect them. Discover how to: Choose the right networking equipment Install and configure your wireless network Integrate Bluetooth into your network Work with servers, gateways, routers, and switches Connect audiovisual equipment to your wireless network Play wireless, multiuser computer games Establish and maintain your network’s security Troubleshoot networking problems Improve network performance Understand 802.11n Whether you’re working with Windows PCs, Mac OS X machines, or both Wireless Home Networking For Dummies, 3rd Edition, makes it fast and easy to get your wireless network up and running—and keep it that way!

Introduction to Ultra Wideband for Wireless Communications
Introduction to Ultra Wideband for Wireless Communications

Author: Homayoun Nikookar

Publisher: Springer Science & Business Media

Published: 2008-10-11

Total Pages: 196

ISBN-13: 1402066333

DOWNLOAD EBOOK

asakta-buddhih sarvatra . jitatma vigata-sprhah . . . . naiskarmya-siddhim paramam . sannyasenadhigacchati Detached by spiritual intelligence from everything controlling the mind, without material desires, one attains the paramount perfection in cessation of re- tions by renunciation. The Bhagvad Gita (18.49) Compared to traditional carrier-based, Ultra-Wide Band (UWB), or carrier-less, systems implement new paradigms in terms of signal generation and reception. Thus, designing an UWB communication system requires the understanding of how excess bandwidth and very low transmitted powers can be used jointly to provide a reliable radio link. UWB offers systems transceiver potential for very simple implementations. Comparison between UWB and traditional narrow-band systems highlights the following features: Large bandwidth enables very fine time-space resolution for accurate lo- tion of the UWB nodes and for distributing network time stamps. Very short pulses are effectively counter-fighting the channel effect in very dense multipath environments. Data rate (number of pulses transmitted per bit) can be traded with power emission control and distance coverage. Very low power density leads to low probability of signal detection and adds security for all the layers of the communication stack. Very low power density is obtained through radio regulation emission masks; UWB systems are suitable for coexistence with already deployed narrow-band systems.

Fast Hopping Frequency Generation in Digital CMOS
Fast Hopping Frequency Generation in Digital CMOS

Author: Mohammad Farazian

Publisher: Springer Science & Business Media

Published: 2012-10-12

Total Pages: 158

ISBN-13: 1461404894

DOWNLOAD EBOOK

Overcoming the agility limitations of conventional frequency synthesizers in multi-band OFDM ultra wideband is a key research goal in digital technology. This volume outlines a frequency plan that can generate all the required frequencies from a single fixed frequency, able to implement center frequencies with no more than two levels of SSB mixing. It recognizes the need for future synthesizers to bypass on-chip inductors and operate at low voltages to enable the increased integration and efficiency of networked appliances. The author examines in depth the architecture of the dividers that generate the necessary frequencies from a single base frequency and are capable of establishing a fractional division ratio. Presenting the first CMOS inductorless single PLL 14-band frequency synthesizer for MB-OFDMUWB makes this volume a key addition to the literature, and with the synthesizer capable of arbitrary band-hopping in less than two nanoseconds, it operates well within the desired range on a 1.2-volt power supply. The author’s close analysis of the operation, stability, and phase noise of injection-locked regenerative frequency dividers will provide researchers and technicians with much food for developmental thought.