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Books > Professional & Technical > Electronics & communications engineering > Communications engineering / telecommunications > Telephone technology

Wimax: Service Standards and Resource Allocation (Hardcover): Timothy Kolaya Wimax: Service Standards and Resource Allocation (Hardcover)
Timothy Kolaya
R3,412 R3,083 Discovery Miles 30 830 Save R329 (10%) Ships in 10 - 15 working days
Voice over IP in Wireless Heterogeneous Networks - Signaling, Mobility and Security (Hardcover, 2009 ed.): Hanane Fathi, Shyam... Voice over IP in Wireless Heterogeneous Networks - Signaling, Mobility and Security (Hardcover, 2009 ed.)
Hanane Fathi, Shyam S. Chakraborty, Ramjee Prasad
R3,020 Discovery Miles 30 200 Ships in 10 - 15 working days

karmano hy api boddhavyam boddhavyam ca vikarmanah akarmanas ca boddhavyam gahana karmano gatih The intricacies of action are very hard to understand. Therefore one should know properly what action is, what forbidden action is, and what inaction is. The Bhagvad Gita (4.17) This book is the outcome of the research contribution of Hanane Fathi towards her Ph.D. studies jointly with Shyam S. Chakraborty and Ramjee Prasad as - pervisors. To the best of the authors' knowledge, this is a ?rst book on voice over Internet protocol (VoIP) covering such a broad perspective as illustrated in Figure P.1. This book is a new, forward-looking resource that explores the present and future trends of VoIP in the wireless heterogeneous networks. This book also provides the discovery path that these network infrastructures are following from a perspective of synergies with the present systems and how they will pave the way for future systems. This book is intended for everyone in the ?eld of wireless information and multimedia communications. It provides different levels of material suitable for managers, researchers, network providers, and graduate students. We hope that all readers will experience the bene?ts and power of this knowledge. We have tried our best to make each chapter comprehensive and we cannot claim that this book is without errors. Any remarks to improve the text and correct the errors would be highly appreciated.

Enhanced Radio Access Technologies for Next Generation Mobile Communication (Hardcover, 2007 ed.): Yongwan Park, Fumiyuki Adachi Enhanced Radio Access Technologies for Next Generation Mobile Communication (Hardcover, 2007 ed.)
Yongwan Park, Fumiyuki Adachi
R2,902 Discovery Miles 29 020 Ships in 10 - 15 working days

The fundamentals of mobile communications technology and systems will be considered including the history and service evolution of mobile communications and environments, etc. CDMA technology including spread spectrum and orthogonal and PN code and etc., will be introduced. We will discuss the fundamentals of single carrier CDMA technologies including DS CDMA, Broadband CDMA with frequency domain equalizer, etc., and multi-carrier CDMA technology for high speed data transmission including MC-DS/CDMA, MC-CDMA, etc.

Telecommunication Network Intelligence - IFIP TC6/WG6.7 Sixth International Conference on Intelligence in Networks (SmartNet... Telecommunication Network Intelligence - IFIP TC6/WG6.7 Sixth International Conference on Intelligence in Networks (SmartNet 2000), September 18-22, 2000, Vienna, Austria (Hardcover, 1997 ed.)
Harmen R.Van As
R5,954 Discovery Miles 59 540 Ships in 10 - 15 working days

Telecommunication Network Intelligence is a state-of-the-art book that deals with issues related to the development, distribution, and management of intelligent capabilities and services in telecommunication networks. The book contains recent results of research and development in the following areas, among others: Platforms for Advanced Services; Active and Programmable Networks; Network Security, Intelligence, and Monitoring; Quality-of-Service Management; Mobile Agents; Dynamic Switching and Network Control; Services in Wireless Networks; Infrastructure for Flexible Services. Telecommunication Network Intelligence comprises the proceedings of SmartNet 2000, the Sixth International Conference on Intelligence in Networks, which was sponsored by the International Federation for Information Processing (IFIP) and held at the Vienna University of Technology, Vienna, Austria, in September 2000.

Energy Efficient Smart Phones for 5G Networks (Hardcover, 2015 ed.): Ayman Radwan, Jonathan Rodriguez Energy Efficient Smart Phones for 5G Networks (Hardcover, 2015 ed.)
Ayman Radwan, Jonathan Rodriguez
R4,282 Discovery Miles 42 820 Ships in 10 - 15 working days

This book addresses current technology trends and requirements leading towards the next era in mobile communication handsets; and beyond that the book proposes innovative solutions that could be candidate solutions for 5G phones. It adopts a multidisciplinary and interdisciplinary stance towards handset design, a necessary ingredient if 5th Generation handset and services are to really take-off. Therefore the scope of the book targets a broad range of subjects, including energy efficiency, RF design, cooperation, context-aware systems, roaming, and short-range networking, all of which working in synergy to provide seamless mobility and high speed connectivity within a HetNet environment. Specifically, the authors investigate how we can exploit the cooperation paradigm and context-aware mechanism working in synergy to provide energy compliant phones that can introduce power savings of up to 50% on state-of-the-art. Going beyond this, a chapter on business modeling approaches is also included, based on incentive mechanisms for cooperation that will provide the necessary leverage to promote the up-take of the proposed technology.

2nd EAI International Conference on Smart Technology (Hardcover, 1st ed. 2023): Francisco Torres-Guerrero, Leticia Neira-Tovar,... 2nd EAI International Conference on Smart Technology (Hardcover, 1st ed. 2023)
Francisco Torres-Guerrero, Leticia Neira-Tovar, Jorge Bacca-Acosta
R6,318 Discovery Miles 63 180 Ships in 10 - 15 working days

This book presents the proceedings of 2nd EAI International Conference on Smart Technology (MTYMEX), which took place April 27th, 2021, online and in Monterrey, Mexico. MTYMEX is an international conference aimed at demonstrating the potential of new applications for the Internet in the future. The authors offer perspectives on research on smart technologies in society, including the results of research projects on virtual reality, blockchain, artificial intelligence, and smart cities. The book offers examples of applications with smart technologies in different knowledge areas. The conference brings together the academic, research and private sectors working on applications and smart devices for e-health and smart cities.

Android Smartphones For Seniors For Dummies (Paperback): M. Collier Android Smartphones For Seniors For Dummies (Paperback)
M. Collier
R596 Discovery Miles 5 960 Ships in 10 - 15 working days

The quickest and easiest way to outsmart your Android smartphone.

Android smartphones, like the Samsung Galaxy and Google Pixel models, offer great ways to simplify and enhance your life. From easy ways to stay in touch with your friends and family to helpful reminders for everyday tasks, Android phones can keep you connected and current at all times. Sometimes, though, the learning curve can seem a little steep.

But it doesn’t have to! Android Phones For Seniors For Dummies is your one-stop guide to discovering the essentials on how to take charge of your Android-powered phone. It skips the techspeak and confusing jargon to deliver key information in a straightforward and reader-friendly way.

With this book, you’ll learn to:

  • Navigate your way around your smartphone so you can easily open and close apps, access info, and see photos
  • Read your email and messages so you can stay in touch with the important people in your life
  • Secure your phone so you can be assured that you, and only you, can access the sensitive data on it

Printed using larger-print type and accompanied by full-color pictures that show you how to apply the step-by-step instructions, this easy handbook is the only resource you’ll need to make the most of your Android phone.

Mobile and Wireless Technologies 2016 (Hardcover, 1st ed. 2016): Kuinam J. Kim, Naruemon Wattanapongsakorn, Nikolai Joukov Mobile and Wireless Technologies 2016 (Hardcover, 1st ed. 2016)
Kuinam J. Kim, Naruemon Wattanapongsakorn, Nikolai Joukov
R5,783 R4,950 Discovery Miles 49 500 Save R833 (14%) Ships in 10 - 15 working days

This book presents the peer-reviewed contributions of ICMWT2016, an international conference devoted to mobile and wireless technology. Researchers and professionals from academia and industry met to discuss the cutting-edge developments in the field. The book includes papers on mobile and wireless networks, the increasingly important security issues, data management, as well as the latest developments in mobile software development.

Communications Handbook: Volume II (Hardcover): Akira Hanako Communications Handbook: Volume II (Hardcover)
Akira Hanako
R3,426 R3,096 Discovery Miles 30 960 Save R330 (10%) Ships in 10 - 15 working days
Communications Handbook: Volume I (Hardcover): Akira Hanako Communications Handbook: Volume I (Hardcover)
Akira Hanako
R3,425 R3,095 Discovery Miles 30 950 Save R330 (10%) Ships in 10 - 15 working days
RF-MEMS Technology for High-Performance Passives (Second Edition) - 5G applications and prospects for 6G (Hardcover): Jacopo... RF-MEMS Technology for High-Performance Passives (Second Edition) - 5G applications and prospects for 6G (Hardcover)
Jacopo Iannacci
R3,463 Discovery Miles 34 630 Ships in 10 - 15 working days
Cultural Economies of Locative Media (Hardcover): Rowan Wilken Cultural Economies of Locative Media (Hardcover)
Rowan Wilken
R2,867 Discovery Miles 28 670 Ships in 10 - 15 working days

Location, location-awareness, and location data have all become familiar and increasingly significant parts of our everyday mobile-mediated experiences. Cultural Economies of Locative Media examines the ways in which location-based services, such as GPS-enabled mobile smartphones, are socially, culturally, economically, and politically produced just as much as they are technically designed and manufactured. Rowan Wilken explores the complex interrelationships that mutually define new business models and the economic factors that emerge around, and structure, locative media services. Further, he offers readers insight into the diverse social uses, cultures of consumption, and policy implications of location, providing a detailed, critical account of contemporary location-sensitive mobile data. Cultural Economies of Locative Media delves into the ideas, technologies, contexts, and power relationships that define this scholarship, resulting in a rich portrait of locative media in all of its cultural and economic complexity.

Map-based Mobile Services - Design, Interaction and Usability (Hardcover, 2008 ed.): Liqiu Meng, Alexander Zipf, Stephan Winter Map-based Mobile Services - Design, Interaction and Usability (Hardcover, 2008 ed.)
Liqiu Meng, Alexander Zipf, Stephan Winter
R4,399 Discovery Miles 43 990 Ships in 10 - 15 working days

This book reports the newest research and technical achievements on the following theme blocks: Design of mobile map services and its constraints, typology and usability of mobile map services, visualization solutions on small displays for time-critical tasks, mobile map users, interaction and adaptation in mobile environments and applications of map-based mobile services.

Research Perspectives on Dynamic Translinear and Log-Domain Circuits (Hardcover, Reprinted from ANALOG INTEGRATED CIRCUITS AND... Research Perspectives on Dynamic Translinear and Log-Domain Circuits (Hardcover, Reprinted from ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, 22:2-3, 2000)
Wouter A. Serdijn, Jan Mulder
R2,880 Discovery Miles 28 800 Ships in 10 - 15 working days

The area of analog integrated circuits is facing some serious challenges due to the ongoing trends towards low supply voltages, low power consumption and high-frequency operation. The situation is becoming even more complicated by the fact that many transfer functions have to be tunable or controllable. A promising approach to facing these challenges is given by the class of dynamic translinear circuits, which are, as a consequence, receiving increasing interest. Several different names are used in literature: log-domain, exponential state-space, current-mode companding, instantaneous companding, tanh-domain, sinh-domain, polynomial state-space, square-root domain and translinear filters. In fact, all these groups are (overlapping) subclasses of the overall class of dynamic translinear circuits. Research Perspectives on Dynamic Translinear and Log-Domain Circuits is a compilation of research findings in this growing field. It comprises ten contributions, coming from recognized `dynamic-translinear' researchers in Europe and North America. Research Perspectives on Dynamic Translinear and Log-Domain Circuits is an edited volume of original research.

LTE-A Cellular Networks - Multi-hop Relay for Coverage, Capacity and Performance Enhancement (Hardcover, 1st ed. 2017): Abid... LTE-A Cellular Networks - Multi-hop Relay for Coverage, Capacity and Performance Enhancement (Hardcover, 1st ed. 2017)
Abid Yahya
R3,421 Discovery Miles 34 210 Ships in 10 - 15 working days

In this book, three different methods are presented to enhance the capacity and coverage area in LTE-A cellular networks. The scope involves the evaluation of the effect of the RN location in terms of capacity and the determination of the optimum location of the relay that provides maximum achievable data rate for users with limited interference at the cell boundaries. This book presents a new model to enhance both capacity and coverage area in LTE-A cellular network by determining the optimum location for the RN with limited interference. The new model is designed to enhance the capacity of the relay link by employing two antennas in RN. This design enables the relay link to absorb more users at cell edge regions. An algorithm called the Balance Power Algorithm (BPA) is developed to reduce MR power consumption. The book pertains to postgraduate students and researchers in wireless & mobile communications.

The Telephone - The Life Story of a Technology (Hardcover): David Mercer The Telephone - The Life Story of a Technology (Hardcover)
David Mercer
R1,662 Discovery Miles 16 620 Ships in 10 - 15 working days

The telephone has played a central role in shaping the way we communicate. From the telegraph in the 19th century through the mobile phone of today, the technology of the telephone has drastically altered how people work, how they keep in touch with friends and loved ones, and how they organize their daily lives. It has also been crucial in enabling governments and large organizations to extend their influence, both within and across nations, and has required wide-ranging changes in the law and in business practices. This volume in the Greenwood Technographies series examines the life story of the telephone and shows how this ubiquitous technology so completely impacts our lives. The Telephone: A Life Story of a Technology discusses significant developments in the technological and social lives of people during the history of the telephone: The telegraph (1830s-1870s) and its impact on the expansion of empires BLThe invention of the telephone, and the early designs and priority disputes between such inventors as Alexander Graham Bell and Elisha Gray The spread of the telephone, and the emergence of "Universal Service" BLThe revolutionary impact of the mobile phone The volume includes a glossary of terms, a timeline, and a bibliography of the most useful resources for further research.

Introduction to Coding Theory (Paperback, 2nd edition): Jurgen Bierbrauer Introduction to Coding Theory (Paperback, 2nd edition)
Jurgen Bierbrauer
R1,569 Discovery Miles 15 690 Ships in 10 - 15 working days

This book is designed to be usable as a textbook for an undergraduate course or for an advanced graduate course in coding theory as well as a reference for researchers in discrete mathematics, engineering and theoretical computer science. This second edition has three parts: an elementary introduction to coding, theory and applications of codes, and algebraic curves. The latter part presents a brief introduction to the theory of algebraic curves and its most important applications to coding theory.

Samsung Galaxy S21 For Dummies (Paperback): B. Hughes Samsung Galaxy S21 For Dummies (Paperback)
B. Hughes
R497 Discovery Miles 4 970 Ships in 10 - 15 working days

Feeling hamstrung by your new Samsung? Figure out how to navigate your new phone in no time Your Samsung Galaxy comes packed with features you'll use every day, and Samsung Galaxy S21 For Dummies is your guide to exploring them. What do you want to do first? Send a text or email? Take photos and videos? Make a basic call? Play games? Shop? This handy guide can help you do all that and so much more. Get an overview of the buttons, screens, and apps that are essential to operating your new phone Manage your contacts so you can stay connected with calls, emails, or texts Surf the web and find new games and apps in the Google Play Store Customize your phone with ringtones, wallpaper, and awesome accessories Watch videos and movies, shoot your own videos, and take photos Boost your productivity with calendar, GPS, and productivity apps Secure your Samsung Galaxy with your face ID, thumbprint, and Screen Lock Not only does Samsung Galaxy S21 For Dummies describe features and walk you through steps to use your new phone, it also shows you what the screens look like and where to tap to make things happen. It's like having a Samsung expert at your elbow. So pick up your copy today to make the most of your Samsung smartphone.

Embedded Software Timing - Methodology, Analysis and Practical Tips with a Focus on Automotive (Hardcover, 1st ed. 2021): Peter... Embedded Software Timing - Methodology, Analysis and Practical Tips with a Focus on Automotive (Hardcover, 1st ed. 2021)
Peter Gliwa
R2,875 Discovery Miles 28 750 Ships in 10 - 15 working days

Without correct timing, there is no safe and reliable embedded software. This book shows how to consider timing early in the development process for embedded systems, how to solve acute timing problems, how to perform timing optimization, and how to address the aspect of timing verification.The book is organized in twelve chapters. The first three cover various basics of microprocessor technologies and the operating systems used therein. The next four chapters cover timing problems both in theory and practice, covering also various timing analysis techniques as well as special issues like multi- and many-core timing. Chapter 8 deals with aspects of timing optimization, followed by chapter 9 that highlights various methodological issues of the actual development process. Chapter 10 presents timing analysis in AUTOSAR in detail, while chapter 11 focuses on safety aspects and timing verification. Finally, chapter 12 provides an outlook on upcoming and future developments in software timing. The number of embedded systems that we encounter in everyday life is growing steadily. At the same time, the complexity of the software is constantly increasing. This book is mainly written for software developers and project leaders in industry. It is enriched by many practical examples mostly from the automotive domain, yet the vast majority of the book is relevant for any embedded software project. This way it is also well-suited as a textbook for academic courses with a strong practical emphasis, e.g. at applied sciences universities. Features and Benefits * Shows how to consider timing in the development process for embedded systems, how to solve timing problems, and how to address timing verification * Enriched by many practical examples mostly from the automotive domain * Mainly written for software developers and project leaders in industry

Important Concepts in Wimax (Hardcover): Timothy Kolaya Important Concepts in Wimax (Hardcover)
Timothy Kolaya
R1,911 Discovery Miles 19 110 Ships in 10 - 15 working days
Video Smart - Make smartphone videos like a pro (Hardcover): Pelpina Trip Video Smart - Make smartphone videos like a pro (Hardcover)
Pelpina Trip
R623 R567 Discovery Miles 5 670 Save R56 (9%) Ships in 10 - 15 working days
Mobile and Wireless Technology 2018 - International Conference on Mobile and Wireless Technology (ICMWT 2018) (Hardcover, 1st... Mobile and Wireless Technology 2018 - International Conference on Mobile and Wireless Technology (ICMWT 2018) (Hardcover, 1st ed. 2019)
Kuinam J. Kim, Hyuncheol Kim
R5,735 R5,101 Discovery Miles 51 010 Save R634 (11%) Ships in 10 - 15 working days

This book presents peer-reviewed contributions from the 5th International Conference on Mobile and Wireless Technology (ICMWT 2018), held June 25-27, 2018 in Hong Kong. This conference provided researchers and practitioners from both academia and industry with a platform to keep them abreast of cutting-edge developments in the field. The book includes papers on mobile and wireless networks and their applications, the increasingly important security issues relating to mobile and wireless systems, data management, as well as the latest developments in mobile software development, and multimedia and wireless communications.

Transformation Optics-based Antennas (Hardcover): Shah Nawaz Burokur, Andre de Lutrac, Jianjia Yi, Paul-Henri Tichit Transformation Optics-based Antennas (Hardcover)
Shah Nawaz Burokur, Andre de Lutrac, Jianjia Yi, Paul-Henri Tichit
R1,721 Discovery Miles 17 210 Ships in 10 - 15 working days

Transformation Optics-based Antennas is organized into two chapters that follow an introduction that presents the basic principles of the transformation optics concept. Two types of transformation are presented, coordinate transformation and space transformation. Implementations using metamaterials are also discussed. Chapter One focuses on coordinate transformation in the design of devices capable of modifying the electromagnetic appearance of a radiating source. Transformation of a directive radiation pattern into an isotropic one (and vice-versa) through space stretching and compression, respectively, and the possibility of creating multiple beams are also studied. Chapter Two deals with devices designed using space transformation concepts. Quasi-conformal transformation optics (QCTO) are applied for the design of lenses, either to compensate for the phase shift created by the conformation of an array of sources or to steer a beam to an off-normal direction.

VoIP - Wireless P2P and New Enterprise Voice Over IP (Hardcover): S. Ganguly VoIP - Wireless P2P and New Enterprise Voice Over IP (Hardcover)
S. Ganguly
R2,680 Discovery Miles 26 800 Ships in 10 - 15 working days

Voice over Internet Protocol (VoIP) is revolutionizing the way people communicate - both in the corporate world and in personal life. The enormous success of VoIP has led to its adoption in a wide range of networking technologies. Each network technology has its unique features and poses distinct challenges to the performance of VoIP.

VoIP: Wireless, P2P and New Enterprise Voice over IP describes the issues arising in the deployment of VoIP in an emerging heterogeneous network environment. Along with a brief overview of the concepts, protocols, algorithms, and equipment involved in realizing VoIP, this book focuses on two areas; quality and performance issues in deploying VoIP, this book focuses on two areas: quality and performance issues in deploying VoIP over various network settings, and the new mechanisms and protocols in these emerging networks to assist the deployment of VoIP.

This book is an invaluable resource for professional network engineers, designers, managers, researchers, decision makers and project managers overseeing VoIP implementations. Market analysts, consultants, and those studying advanced undergraduate and graduate courses on data, voice and multimedia communications will also find this book insightful.

VoIP; Wireless, P2P and New Enterprise Voice over IP: Discusses the basics of VoIP, VoIP codecs and VoIP protocols including SIP and H.323. Details new technologies such as P2P technology, VoWiFi, WiMax, and 3G networks. Explains the QoS issues arising from deploying VoIP using the new technologies. Solves the performance issues that emerge when VoIP is deployed over different network technologies.

Digital Communications - Courses and Exercises with Solutions (Hardcover): Pierre Jarry, Jacques N. Beneat Digital Communications - Courses and Exercises with Solutions (Hardcover)
Pierre Jarry, Jacques N. Beneat
R2,016 Discovery Miles 20 160 Ships in 10 - 15 working days

Digital communications plays an important role in numerical transmission systems due to the proliferation of radio beams, satellite, optic fibbers, radar, and mobile wireless systems. This book provides the fundamentals and basic design techniques of digital communications with an emphasis on the systems of telecommunication and the principles of baseband transmission. With a focus on examples and exercises, this book will prepare you with a practical and real-life treatment of communication problems.

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