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  • Optimizing and Testing WLANs

    Proven Techniques for Maximum Performance
    • 1st Edition
    • July 23, 2007
    • Tom Alexander
    • English
    Optimizing and Testing WLANs explores proven techniques for maximizing the coverage area and performance of wireless networks. The author's insider position on the IEEE committee developing standards for WLAN testing ensures timeliness and technical integrity of the material. The book includes coverage of newer multiple input/multiple output (MIMO) wireless networks. The techniques provided will allow engineers to help maintain continuous wireless connectivity to laptops and other mobile devices. Optimizing and Testing WLANs is the first book to address the need to test WLANs (Wireless Local Area Networks) for proper performance and to optimize their operation as they become increasingly common. It covers test equipment and methods for the RF (wireless) and physical layers of WLAN, protocols, the application layer, and manufacturing testing. The emphasis throughout is on underlying engineering principles along with modern metrics and methodologies, ensuring this book gives both a solid theoretical background along with field-proven techniques and applications. A particularly engaging chapter deals with manufacturing test that describes some of the different manufacturing test setups and equipment. A concise introduction to deployment testing of "hotspots" and WLANs in enterprises is also provided. This text will be of interest to RF wireless engineers and designers, networking engineers, IT professionals and managers, and graduate students.

  • Switchmode RF Power Amplifiers

    • 1st Edition
    • June 29, 2007
    • Andrei Grebennikov + 2 more
    • English
    A majority of people now have a digital mobile device whether it be a cell phone, laptop, or blackberry. Now that we have the mobility we want it to be more versatile and dependable; RF power amplifiers accomplish just that. These amplifiers take a small input and make it stronger and larger creating a wider area of use with a more robust signal.Switching mode RF amplifiers have been theoretically possible for decades, but were largely impractical because they distort analog signals until they are unrecognizable. However, distortion is not an issue with digital signals—like those used by WLANs and digital cell phones—and switching mode RF amplifiers have become a hot area of RF/wireless design. This book explores both the theory behind switching mode RF amplifiers and design techniques for them.

  • Secure Roaming in 802.11 Networks

    • 1st Edition
    • May 17, 2007
    • Paul Goransson + 1 more
    • English
    Secure Roaming in 802.11 Networks offers a comprehensive treatise on Wi-Fi 802.11 roaming by comparing/contrastin... it to cellular roaming theory and techniques. The book explores the fundamental concepts, basic theory, and key principles of 802.11 networks with roaming capabilities. It helps ensure secure and constant connectivity of laptops, PDAs and other emerging mobile devices. Today, we increasingly expect to find public Wide Local Area Network (WLAN) 802.11 access in our airports, public spaces, and hotels, and we want to maintain our connections when we’re mobile and using 802.11 WLANs. However, 802.11 was not originally designed with roaming capabilities and can’t, in its "pure" form, support seamless roaming between different hotspots and other 802.11 access points. This book details the theory behind various 802.11 extensions to permit roaming and describes how these extensions can be successfully implemented in 802.11 WLANs. It reviews coverage of user authentication in 802.11, as well as roaming between 802.11 and other wireless technologies. It also discusses wireless technologies and application programming interfaces. This book will appeal to RF/wireless engineers and designers, computer/data network engineers, and graduate students.

  • Design Recipes for FPGAs: Using Verilog and VHDL

    • 1st Edition
    • May 11, 2007
    • Peter Wilson
    • English
    Design Recipes for FPGAs: Using Verilog and VHDL provides a rich toolbox of design techniques and templates to solve practical, every-day problems using FPGAs. Using a modular structure, the book gives ‘easy-to-find’ design techniques and templates at all levels, together with functional code. Written in an informal and ‘easy-to-grasp’ style, it goes beyond the principles of FPGA s and hardware description languages to actually demonstrate how specific designs can be synthesized, simulated and downloaded onto an FPGA. This book's ‘easy-to-find’ structure begins with a design application to demonstrate the key building blocks of FPGA design and how to connect them, enabling the experienced FPGA designer to quickly select the right design for their application, while providing the less experienced a ‘road map’ to solving their specific design problem. The book also provides advanced techniques to create ‘real world’ designs that fit the device required and which are fast and reliable to implement. This text will appeal to FPGA designers of all levels of experience. It is also an ideal resource for embedded system development engineers, hardware and software engineers, and undergraduates and postgraduates studying an embedded system which focuses on FPGA design.

  • Video Demystified

    A Handbook for the Digital Engineer
    • 5th Edition
    • April 30, 2007
    • Keith Jack
    • English
    What doesn't have a video component nowadays? IPod, cell phone, computer, they all have video. And, of course, television which is a major source of our entertainment and information. Any engineer involved in designing, manufacturing, or testing video electronics needs this book! Each edition of Video Demystified has sold thousands of copies and answered many questions for electrical engineers across the globe. This fifth edition will keep the engineer up-to-date with next-generation digital video formats - Blu-ray and HD-DVD, development of new audio and video codecs - Dolby Digital Plus, DTS-HD, etc. - along with the all the latest information on HDTV, HDMI and IPTV(TV over the Internet). All broadcast, cable, and satellite standards will be updated to reflect these new codecs and specifications. The book will also aid in the design of devices and infrastructures from analog to digital television transmission - with analog transmission ceasing in early 2009 or before.

  • Complete PCB Design Using OrCad Capture and Layout

    • 1st Edition
    • April 24, 2007
    • Kraig Mitzner
    • English
    Complete PCB Design Using OrCad Capture and Layout provides instruction on how to use the OrCAD design suite to design and manufacture printed circuit boards. The book is written for both students and practicing engineers who need a quick tutorial on how to use the software and who need in-depth knowledge of the capabilities and limitations of the software package. There are two goals the book aims to reach: The primary goal is to show the reader how to design a PCB using OrCAD Capture and OrCAD Layout. Capture is used to build the schematic diagram of the circuit, and Layout is used to design the circuit board so that it can be manufactured. The secondary goal is to show the reader how to add PSpice simulation capabilities to the design, and how to develop custom schematic parts, footprints and PSpice models. Often times separate designs are produced for documentation, simulation and board fabrication. This book shows how to perform all three functions from the same schematic design. This approach saves time and money and ensures continuity between the design and the manufactured product.

  • If I Only Changed the Software, Why is the Phone on Fire?: Embedded Debugging Methods Revealed

    Technical Mysteries for Engineers
    • 1st Edition
    • March 22, 2007
    • Lisa K. Simone
    • English
    If I Only Changed the Software, Why is the Phone on Fire?: Embedded Debugging Methods Revealed manages the unthinkable- it conveys crucial technical information to engineers without boring them to tears! In this unique reference, expert embedded designer Lisa Simone provides the solutions to typical embedded software debugging problems from a fresh new perspective. She introduces a team of engineers who readers will recognize from their own workplaces, and then confronts them with real-world debugging scenarios of progressive complexity, drawing the reader into the “mysteries” with their new fictional colleagues, and guiding them step-by-step toward successful solutions.

  • Hands-On ZigBee

    Implementing 802.15.4 with Microcontrollers
    • 1st Edition
    • March 16, 2007
    • Fred Eady
    • English
    Since its recent introduction, the ZigBee protocol has created an enormous amount of buzz in venues from magazine covers to trade show floors to water coolers. Its promise of providing a simpler, cheaper, more power-efficient WPAN (Wireless Personal Area Network) alternative to WiFi and Bluetooth has opened up new data collection possibilities in application areas from industrial controls to medical devices to intruder alarms. Yet, despite this widespread interest, there is still little information available that goes beyond detailing the spec itself. Missing from the current ZigBee lexicon is practical, application-oriented guidance from an expert, specifically geared to aid engineers in implementing this new technology. Enter respected designer and popular columnist Fred Eady! With his new book, Hands-On ZigBee, he provides the only comprehensive how-to ZigBee guide available.

  • Programming 16-Bit PIC Microcontrollers in C

    Learning to Fly the PIC 24
    • 1st Edition
    • March 16, 2007
    • Lucio Di Jasio
    • English
    • A Microchip insider tells all on the newest, most powerful PICs ever! • FREE CD-ROM includes source code in C, the Microchip C30 compiler, and MPLAB SIM software• Includes handy checklists to help readers perform the most common programming and debugging tasksThe new 16-bit PIC24 chip provides embedded programmers with more speed, more memory, and more peripherals than ever before, creating the potential for more powerful cutting-edge PIC designs. This book teaches readers everything they need to know about these chips: how to program them, how to test them, and how to debug them, in order to take full advantage of the capabilities of the new PIC24 microcontroller architecture.Author Lucio Di Jasio, a PIC expert at Microchip, offers unique insight into this revolutionary technology, guiding the reader step-by-step from 16-bit architecture basics, through even the most sophisticated programming scenarios. This book’s common-sense, practical, hands-on approach begins simply and builds up to more challenging exercises, using proven C programming techniques. Experienced PIC users and newcomers to the field alike will benefit from the text’s many thorough examples, which demonstrate how to nimbly side-step common obstacles, solve real-world design problems efficiently, and optimize code for all the new PIC24 features. You will learn about:• basic timing and I/O operations, • multitasking using the PIC24 interrupts, • all the new hardware peripherals • how to control LCD displays, • generating audio and video signals, • accessing mass-storage media, • how to share files on a mass-storage device with a PC, • experimenting with the Explorer 16 demo board, debugging methods with MPLAB-SIM and ICD2 tools, and more!

  • Wireless Networking Technology

    From Principles to Successful Implementation
    • 1st Edition
    • February 2, 2007
    • Steve A. Rackley
    • English
    As the demand for higher bandwidth has lead to the development of increasingly complex wireless technologies, an understanding of both wireless networking technologies and radio frequency (RF) principles is essential for implementing high performance and cost effective wireless networks.Wireless Networking Technology clearly explains the latest wireless technologies, covering all scales of wireless networking from personal (PAN) through local area (LAN) to metropolitan (MAN). Building on a comprehensive review of the underlying technologies, this practical guide contains ‘how to’ implementation information, including a case study that looks at the specific requirements for a voice over wireless LAN application. This invaluable resource will give engineers and managers all the necessary knowledge to design, implement and operate high performance wireless networks.

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