The book begins with an introduction to the subject and then moves on to describe the fundamentals of wireless communication including a brief description of different modulation techniques. The text includes coverage of second generation (2G) cellular network together with its two important implementation standards GSM & IS-95; it also discusses WLL and WLAN. In addition, it presents a variety of data services available in the domain of mobile computing with other relevant issues. Finally, it gives a brief on UMTS, a representative of the third generation (3G) of cellular networks. The fundamental tenets of mobile computing, such as mobility management, channel assignment, protocols at air interface, and system design are carefully covered for all categories of wireless networks described here. A perfect balance between theoretical aspects of mobile computing and its implementation standards has been maintained throughout the book. Many examples and exercises are included, which will help students prepare for examinations. The book is intended primarily for students of B.E./B.Tech. of Computer Science and Engineering, Information Technology, Electronics and Communication Engineering, and related disciplines. It will also be useful to the students of BCA/MCA and B.Sc./M.Sc. (Computer Science/Electronics).

Stochastic Geometry and Wireless Networks, Part II: Applications focuses on wireless network modeling and performance analysis. The aim is to show how stochastic geometry can be used in a more or less systematic way to analyze the phenomena that arise in this context. It first focuses on medium access control mechanisms used in ad hoc networks and in cellular networks. It then discusses the use of stochastic geometry for the quantitative analysis of routing algorithms in mobile ad hoc networks. The appendix also contains a concise summary of wireless communication principles and of the network architectures considered in this and the previous volume entitled Stochastic Geometry and Wireless Networks, Part I: Theory.

While it may be a new concept for many readers, telephone interpreting has been successfully used to enable speakers of different languages to communicate for more than three decades. With time, the field has evolved to ensure that high levels of quality can be obtained, both in terms of connectivity and quality of interpretation. However, in spite of its 30-year history and widespread use throughout the world, very little has been written about telephone interpreting. In this, the first book devoted entirely to the subject, the author provides readers with long-awaited transparency and insight into the field, in order to promote the highest possible standards of quality. The publication serves as a practical guide for interpreters, a resource for educators, a reference text for researchers and a comprehensive handbook for consumers of interpreting services everywhere.
This book provides readers with a fascinating in-depth view into the world of remote interpretation via telephone. The first publication devoted exclusively to the topic, this book offers a wealth of information for interpreters, educators, training professionals and consumers of interpreting services within the realms of health care, legal services, public safety, finance, social services, insurance and numerous other industries where telephone interpreting services are used. Through the model code of ethics and standards of practice included in the book, readers can gain a better understanding of the levels of quality that can be obtained through telephone interpretation. Numerous role-play scenarios are also included to facilitate telephone interpreting practice.

The iPhone is cool, and the iPhone is fun, but the iPhone also means serious business. For those of you who bought your iPhones to help get your lives organized and free yourselves from the ball and chain of desktop computing, iPhone at Work: Productivity for Professionals is the book to show you how.

There are plenty of general-purpose iPhone guides, but iPhone at Work: Productivity for Professionals shows you how to complete all the traditional smartphone tasks, like to-do lists, calendars, and e-mail, and become much more efficient and productive at work. You'll learn mechanisms for developing effective workflows specific to the features of the iPhone and also efficient strategies for dealing with the specialized aspects of business and professional lifestyles.

From the introduction and throughout the book, author Ryan Faas targets professional users of the iPhone. You'll tour the built-in applications and configuration options, always with work and productivity in mind, and discover all of the enterprise features of the iPhone, learning how to configure and use each one.

Then discover the App Store: source of all third-party software. There's something a bit daunting about the dominance of games and frivolous apps on the best-seller lists, but there are serious business and vertical applications also available, and you'll learn about some of the best and how to take advantage of this wealth of add-on and very professional functionality.

And for those administrators with the special job of deploying lots of new iPhones across the enterprise, this book concludes with two appendixes that provide information and resources for companies. The first is intended for organizations looking to perform larger-scale iPhone or iPod touch deployments complete with device management. The second is geared for those companies that wish to develop an iPhone platformoriented infrastructure through the use of customized in-house applications and iPhone/iPod touchspecific web services. What you'll learn Purchase and configure an iPhone specifically for business Integrate built-in iPhone platform features into an everyday professional workflow Access enterprise-wide data and computing features Pick up specific tips for different professions Deploy the iPhone platform across groups both large and small Discover the secrets of iPhone platform customization and personalization Who this book is for

You already have or are considering the purchase of an iPhone. You know it's the coolest smartphone around, but you actually want to use it to make your professional life more efficient, more productive, and more fun Clearly, the iPhone has inherent uses for a broad range of professions including management, sales, medical/dental, legal, real estate, training and education, human resources, and information technology, so there are many of you. Some of you are novice mobile device users, others are highly experienced mobile pros. No matter, because every professional iPhone user across this continuum of experience wants to learn to work smarter, better, and more efficiently. This book shows you how to use your iPhone to do this. Table of Contents Buying and Activating Your iPhone Using Your iPhone for the First Time Getting Online Phone Home (Or Work, Clients, or Anyone Else) Texting and Media Messaging for a Living E-mail Calendar Contacts Microsoft Exchange and ActiveSync Photos and Video Web Browsing with Mobile Safari Getting Around Using Maps iPod and iTunes The Remaining Built-In Apps Understanding iPhone Applications and the App Store General Business Applications Apps for Specific Professions

Power Control in Wireless Cellular Networks provides a comprehensive survey of the models, algorithms, analysis, and methodologies in this vast and growing research area. It starts with a taxonomy of the wide range of power control problem formulations, and progresses from the basic formulation to more sophisticated ones. When transmit power is the only set of optimisation variables, algorithms for fixed SIR are presented first, before turning to their robust versions and joint SIR and power optimization. This is followed by opportunistic and non-cooperative power control. Then joint control of power together with beamforming pattern, base station assignment, spectrum allocation, and transmit schedule are surveyed one by one. Power Control in Wireless Cellular Networks highlights the use of mathematical language and tools in the study of power control, including optimisation theory, control theory, game theory, and linear algebra. Practical implementations of some of the algorithms in operational networks are discussed in the concluding chapter.

Voice over Internet Protocol (VoIP) networks have freed users from the tyranny of big telecom, allowing people to make phone calls over the Internet at very low or no cost. But while VoIP is easy and cheap, it's notoriously lacking in security. With minimal effort, hackers can eavesdrop on conversations, disrupt phone calls, change caller IDs, insert unwanted audio into existing phone calls, and access sensitive information. Hacking VoIP takes a dual approach to VoIP security, explaining its many security holes to hackers and administrators. If you're serious about security, and you either use or administer VoIP, you should know where VoIP's biggest weaknesses lie and how to shore up your security. And if your intellectual curiosity is leading you to explore the boundaries of VoIP, Hacking VoIP is your map and guidebook. Hacking VoIP will introduce you to every aspect of VoIP security, both in home and enterprise implementations. You'll learn about popular security assessment tools, t

Throughout his career, Alexander Graham Bell, one of the world's most famous inventors, was plagued by a secret: he stole the key idea behind the invention of the telephone. While researching at MIT, science journalist Seth Shulman scrutinized Bell's journals and within them found the smoking gun: a hint of deeply buried historical deception. Delving further into Bell's life, Shulman unearthed the surprising story behind the telephone, a tale of romance, corruption, and unchecked ambition.

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. Get the most out of your iPhone by learning how to use all of its powerful capabilities Filled with tips, tricks, and shortcuts, this book shows you how to set up your iPhone, make calls, manage voicemail, and load contacts. But that's just the beginning. You'll also learn how to send and receive email, look up turn-by-turn directions, listen to music, plan your week, play videos, and so much more. Plus, you'll find out how to install third-party applications and even use your iPhone with different carriers. Now that you've got the hottest handheld on the market, take it to the limit with help from this hands-on guide. Activate your iPhone and modify settings Sync your data to your iPhone Organize contacts, make calls, and use voicemail Load and play music, podcasts, videos, and TV shows Send, receive, and manage email and SMS messages Browse the Internet with Safari Manage and sync appointments with the calendar Take pictures and view photos Navigate using Google Maps Get weather forecasts, YouTube videos, and stock information instantly Troubleshoot and maintain your iPhone Hack your iPhone to install third-party applications Unlock your iPhone for use with different carriers

This popular book was updated in 2013 just thirteen years after the death of the glamourous film star Hedy Lamarr. She was a famous Hollywood star and the first woman to appear naked on film. George Antheil was a piano player and composer. So just how did these two come to invent the latest technology used by the mobile phone? Or did they? She was labelled 'the most beautiful girl in the world' and he 'the bad boy of music' yet way back in 1942 they took out a patent covering the vital radio technique that we now call spread spectrum.

This absorbing book traces the eventful and sometimes scandalous lives of Hedy and George. It tells the fascinating story of radio and the ongoing battle to make it secure and of similar quality to wired communication. Spread spectrum emerged from that battle to become the solution of choice for anything from mobile phones to wireless computer networks.

Wireless Messaging
* It’s “instant messaging” anywhere you go
* For cell phones, PDAs and pagers
* Great for corporate and individual users alike
* Less expensive than phone calls
* A worldwide success story!

UNDERSTAND WHY WIRELESS MESSAGING IS THE NEXT COMMUNICATIONS PHENOMENON

A booming worldwide craze—with more than 850 million messages exchanged during one month in the U.K. alone—wireless messaging, like SMS, EMS, and MMS, is now ready to conquer the U.S. market. This guide for telecom professionals tells you what you want to know about wireless messaging without getting mired in technical details. From mobile e-commerce applications, technical and architectural components, and the standards that have made SMS a success abroad, Wireless Messaging Demystified provides the vital details you want.

You must read this book if—
* You want the hows, whys, and wherefores of i-mode’s conquest of Japan and SMS’s triumph around the globe
* You need to know how SMS fits with IM and other emerging wireless messaging technologies
* You want to discover profitable mobile e-commerce applications from automatic meter reading to getting a soda from a vending machine
* You desire details on development, implementation, and rollout of EMS and MMS for the general population and the enterprise
* You require answers on privacy, and how 3G will impact wireless messaging
* You can’t get enough information on the newest trends transforming wireless communications

The easiest way to investigate why wireless messaging is one of the biggest communications successes ever, Wireless Messaging Demystified is the only guide you need to fully understand everything about instant messaging, mobile commerce, and wireless location-based services.

OSI IN THE VOICE ENVIRONMENT

HERE’S STRAIGHTFORWARD EXPLANATIONS OF THE OSI LAYERS AND THEIR RELATIONSHIP TO TELECOM SERVICE AND EQUIPMENT. WHETHER YOU NEED ANWERS ON HARDWARE, SOFTWARE, ERROR CONTROL OR INTERFACES, LOOK INSIDE FOR BASIC FACTS AND HOW TO MANAGE THOSE CRITICAL “SPECIAL CIRCUMSTANCES”

The OSI (Open System Interconnection) Reference Model is a cornerstone of modern network design. Although the OSI model has become almost synonymous with data communications, it serves the public switched telephone network (PSTN) as well and is a productive way to organize and teach the building blocks of telecom systems.

In OSI Reference Model for Telecommunications, hands-on expert Debbra Wetteroth provides telecom staffers the information they need to gain a working knowledge of this essential telecom service architecture and equipment. Her style that breaks down the barriers between data and voice vocabularies. This quick reference to the OSI model puts the data you need everyday at your fingertips.

Look inside for an understandable schematics of:

* Mapping PSTN functions to OSI

* The basics of successful data transmissions

* What OSI is and does

* The components that make up OSI

* OSI “common knowledge” (the kind that’s not always so common), such as numbering system, signaling rates, and noise distortion data

* A detailed description of Layers 1 to 3 and a thorough review of the Transport Layer. For each layer, you’ll learn roles, functions, definitions, and more

This unique volume will prove invaluable to telecommunications technicians, field supervisors, switch managers, network analysts, network designers, and anyone else who needs detailed explanation of the many components of OSI.

We live in a world where social interaction is increasingly mediated by technological devices. In this book, Ian Hutchby explores the impact these technologies have on our attempts to communicate. Focusing on four examples - telephones, computerized expert systems at work, speech-based systems dealing with enquiries from the public, and multi-user spaces on the Internet - Hutchby asks: are we increasingly technologized conversationalists, or is technology increasingly conversationalized?

"Conversation and Technology" draws on recent theory and empirical research in conversation analysis, ethnomethodology and the social construction of technology. In novel contributions to each of these areas, Hutchby argues that the ways in which we interact can be profoundly shaped by technological media, while at the same time we ourselves are shapers of both the cultural and interactional properties of these technologies.

The book begins by examining a variety of theoretical perspectives on this issue. Hutchby offers a critical appraisal of recent sociological thinking, which has tended to over-estimate society's influence on technological development. Instead he calls for a new appreciation of the relationship between human communication and technology. Using a range of case studies to illustrate his argument, Hutchby explores the multiplicity of ways in which technology affects our ordinary conversational practices.

Readers in areas as diverse as sociology, communication studies, psychology, computer science and management studies will find much of interest in this account of the human and communicative properties of various forms of modern communication technology.

Translates technical jargon into practical business communications solutions

This book takes readers from traditional voice, fax, video, and data services delivered via separate platforms to a single, unified platform delivering all of these services seamlessly via the Internet. With its clear, jargon-free explanations, the author enables all readers to better understand and assess the growing number of voice over Internet protocol (VoIP) and unified communications (UC) products and services that are available for businesses.

VoIP and Unified Communications is based on the author's careful review and synthesis of more than 7,000 pages of published standards as well as a broad range of datasheets, websites, white papers, and webinars. It begins with an introduction to IP technology and then covers such topics as:

Packet transmission and switching

VoIP signaling and call processing

How VoIP and UC are defining the future

Interconnections with global services

Network management for VoIP and UC

This book features a complete chapter dedicated to cost analyses and payback calculations, enabling readers to accurately determine the short- and long-term financial impact of migrating to various VoIP and UC products and services. There's also a chapter detailing major IP systems hardware and software. Throughout the book, diagrams illustrate how various VoIP and UC components and systems work. In addition, the author highlights potential problems and threats to UC services, steering readers away from common pitfalls.

Concise and to the point, this text enables readers--from novices to experienced engineers and technical managers--to understand how VoIP and UC really work so that everyone can confidently deal with network engineers, data center gurus, and top management.

Today, millions people use mobile devices like smartphones and tablet computers on a daily basis to communicate and obtain information. Further, due to recent technical advances in mobile technology, consumers can use these devices to carry out a broad range of activities that previously required a desktop or laptop computer including shopping, banking, and accessing government services. Given these trends, providing government information and services "anytime, anywhere, and on any device" has become increasingly important, particularly as some mobile users may not have any other means of online access. This book describes the demographics of mobile users and the factors that might be associated with the increased use of mobile devices; the devices individuals are using to access government services and the challenges people face; and the actions the federal government has taken to enhance access to government services via mobile devices. This book also examines a report on Congress Member adoption and use of two social networking services: Twitter and Facebook. The book analyses data on Member use of Twitter and Facebook collected by an academic institution in collaboration with the Congressional Research Service during a two-month period between August and October 2011 and the adoption of both platforms as of January 2012.

The rise of sophisticated mobile devices and high-speed wireless networks is transforming the Internet and how our society interacts with it. Americans are rapidly embracing mobile technologies and the opportunities they create. This book examines data from the 2012 Current Population Survey (CPS) describing Americans' use of computers and the Internet. Data from this survey depict the accelerating popularity of mobile phone-based Internet use across demographic groups. The book also reveals the explosion in mobile Internet use accompanied by narrowing but persistent disparities in computer ownership and Internet use overall. This book's insights will allow policymakers, in cooperation with private partners, to make decisions that will improve America's productivity, ingenuity, world competitiveness, and standard of living.

Beinhaltet Erkenntnisse zu aktuellen Aspekten der Cloud-Nutzung fur die industrielle Produktion

The secret history of the invention that changed everything and became the most profitable product in the world. Odds are that as you read this, an iPhone is within reach. But before Steve Jobs introduced us to 'the one device', as he called it, a mobile phone was merely what you used to make calls on the go. How did the iPhone transform our world and turn Apple into the most valuable company ever? Veteran technology journalist Brian Merchant reveals the inside story you won't hear from Cupertino - based on his exclusive interviews with the engineers, inventors and developers who guided every stage of the iPhone's creation. This deep dive takes you from inside 1 Infinite Loop to nineteenth-century France to WWII America, from the driest place on earth to a Kenyan pit of toxic e-waste, and even deep inside Shenzhen's notorious 'suicide factories'. It's a first-hand look at how the cutting-edge tech that makes the world work - touch screens, motion trackers and even AI - made its way into our pockets. The One Device is a road map for design and engineering genius, an anthropology of the modern age and an unprecedented view into one of the most secretive companies in history. This is the untold account, ten years in the making, of the device that changed everything.

This book presents insights, interpretations, concepts, and interdependent views-in the landscape of mobile connectivity and service-that emphasize the significance of a harmonious interplay, cooperation, and coalescing of a variety of interdisciplinary domains of science and art. Mobile Evolution: Insights on Connectivity and Service explores the forward-looking and enabling capabilities of mobile connectivity and service in the context of long term evolution (LTE) systems and multimedia services, as viewed through a lens of human experience. It provides information and guidelines pertaining to the strategies and technologies associated with the next-generation mobile ecosystem. The book examines the intersection between the technology and the human dimension in the context of the ever-changing landscape. It arms you with ideas that you can apply to design, innovation, strategy, and business models for the various facets of mobile communication connectivity and service.

This unique text provides a comprehensive and systematic introduction to the theory and practice of mobile data networks. Covering basic design principles as well as analytical tools for network performance evaluation, and with a focus on system-level resource management, you will learn how state-of-the-art network design can enable you flexibly and efficiently to manage and trade-off various resources such as spectrum, energy, and infrastructure investments. Topics covered range from traditional elements such as medium access, cell deployment, capacity, handover, and interference management, to more recent cutting-edge topics such as heterogeneous networks, energy and cost-efficient network design, and a detailed introduction to LTE (4G). Numerous worked examples and exercises illustrate the key theoretical concepts and help you put your knowledge into practice, making this an essential resource whether you are a student, researcher, or practicing engineer.

Stop scrolling and start living! Build healthier relationships between you, your smartphone and all your devices, including tips to reduce social media obsession, notification anxiety and other unhealthy habits. Your smartphone is a powerful device that has fundamentally changed your life-no doubt improving it in many ways. And while you don't need to give up your smartphone completely, if your day to day is filled with endless, anxiety-inducing checking, swiping and liking, then you need this helpful, step-by-step workbook to take back control of your life. Phone addiction is similar to gambling addiction and substance abuse. Its consequences include stress, depression, insomnia, intimacy issues and more. Written by an experienced psychotherapist, couples therapist and former telecommunications industry insider, The Phone Addiction Workbook's program offers the blueprint for understanding addictive behavior and how it controls you. Weekly charts, practical tips and interactive activities help you stop unhealthy behavior and make lasting change.

Softwaretests bekommen bei immer komplexer werdenden Programmen eine immer groessere Bedeutung fur den Projekterfolg. Obwohl Testkonzepte etabliert sind, werden sie haufig nur in geringem Masse in Unternehmen genutzt, da sie angeblich zu aufwandig und zu teuer sind. Neben einer intuitiven Einfuhrung in Testtechniken zeigt dieses Buch den einfachen Einstieg in das Testen von Java-Programmen mit Hilfe von einfach nutzbaren Open-Source-Werkzeugen. Dabei werden neben klassischen Programmen auch Vorgehensweisen und Werkzeuge fur Client-Server-Systeme, Web-Applikationen und Systeme mit Datenbankintegration betrachtet. Die Werkzeuge decken dabei funktionale Tests, Testuberdeckungen, Tests von Oberflachen, Performance- und Lasttests, sowie die Automatisierung von Testausfuhrungen ab. Alle Beispiele stehen als Download zur Verfugung.

Emissions from mobile sources contribute significantly to air pollution in the United States. Such sources include cars and light- and heavy-duty trucks; diesel-powered cranes, bulldozers, and tractors; and equipment such as lawnmowers that run on small gasoline engines. The role of state versus federal government in establishing mobile-source emissions standards is an important environmental management issue. With this in mind, Congress called on EPA to arrange an independent study of the practices and procedures by which California develops separate emissions standards from the federal government and other states choose to adopt the California standards. The report provides an assessment of the scientific and technical procedures used by states to develop or adopt different emissions standards and a comparison of those policies and practices with those used by EPA. It also considers the impacts of state emissions standards on various factors including compliance costs and emissions. The report concludes that, despite the substantial progress in reducing emissions from mobile sources nationwide, more needs to be done to attain federal air-quality standards in many parts of the country. Additionally, California should continue its pioneering role in setting emissions standards for cars, trucks, and off-road equipment. Table of Contents Front Matter Summary 1 Introduction 2 Air Quality, Emissions, and Health Impacts Overview 3 Regulation of Emissions from New Mobile Sources 4 Co-evolution of Technology and Emissions Standards 5 Assessment of Different Approaches to Setting Mobile-Source Standards 6 Light-Duty-Vehicle Emissions Standards 7 Other Case Studies 8 Recommendations References Glossary Abbreviations Appendix A Biographical Information on the Committee on State Practices in Setting Mobile Source Emissions Standards Appendix B Acronyms and Names Used for Classifying Organic Compounds Appendix C Summary of Milestones in CARB Mobile Source Emissions Regulations and Comparison with EPA Appendix D Statutory Sections Relevant to the Regulation of New Mobile Source Emissions Appendix E Public Workshop Presentations