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| Author | : Raghuveer M. Rao |
| Publisher | : SPIE Press |
| Total Pages | : 130 |
| Release | : 2005 |
| Genre | : Technology & Engineering |
| ISBN | : 9780819458698 |
Download Basics of Code Division Multiple Access (CDMA) Book in PDF, ePub and Kindle
Code division multiple access (CDMA) has proven to be a viable enabling technique for the simultaneous transmission and reception of data over a shared channel. Although associated mostly with wireless cellular communication, CDMA is also being considered for optical channels. This text, aimed at the reader with a basic background in electrical or optical engineering, covers CDMA fundamentals: from the basics of the communication process and digital data transmission, to the concepts of code division multiplexing, direct sequence spreading, diversity techniques, the near-far effect, and the IS-95 CDMA standard form.
| Author | : R. Michael Buehrer |
| Publisher | : Morgan & Claypool Publishers |
| Total Pages | : 192 |
| Release | : 2006 |
| Genre | : Code division multiple access |
| ISBN | : 1598290401 |
Download Code Division Multiple Access (CDMA) Book in PDF, ePub and Kindle
This book covers the basic aspects of Code Division Multiple Access or CDMA. It begins with an introduction to the basic ideas behind fixed and random access systems in order to demonstrate the difference between CDMA and the more widely understood TDMA, FDMA or CSMA. Secondly, a review of basic spread spectrum techniques are presented which are used in CDMA systems including direct sequence, frequency-hopping and time-hopping approaches. The basic concept of CDMA is presented, followed by the four basic principles of CDMA systems that impact their performance: interference averaging, universal frequency reuse, soft handoff, and statistical multiplexing. The focus of the discussion will then shift to applications. The most common application of CDMA currently is cellular systems. A detailed discussion on cellular voice systems based on CDMA, specifically IS-95, is presented. The capacity of such systems will be examined as well as performance enhancement techniques such as coding and spatial filtering. Also discussed are Third Generation CDMA cellular systems and how they differ from Second Generation systems. A second application of CDMA that is covered is spread spectrum packet radio networks. Finally, there is an examination of multi-user detection and interference cancellation and how such techniques impact CDMA networks. This book should be of interest and value to engineers, advanced students, and researchers in communications.
| Author | : Andrew J. Viterbi |
| Publisher | : Prentice Hall |
| Total Pages | : 245 |
| Release | : 1995 |
| Genre | : Technology & Engineering |
| ISBN | : 9780201633740 |
Download CDMA Book in PDF, ePub and Kindle
Spread spectrum multiple access communication, known commercially as CDMA (Code Division Multiple Access), is a driving technology behind the rapidly advancing personal communications industry. Its greater bandwidth efficiency and multiple access capabilities make it the leading technology for relieving spectrum congestion caused by the explosion in popularity of cellular mobile and fixed wireless telephones and wireless data terminals. Written by a leader in the creation of CDMA and an internationally recognized authority on wireless digital communication, this book gives you the technical information you need. It presents the fundamentals of digital communications and covers all aspects of commercial direct-sequence spread spectrum technology, incorporating both physical-level principles and network concepts. You will find detailed information on signal generation, synchronization, modulation, and coding of direct-sequence spread spectrum signals. In addition, the book shows how these physical layer functions relate to link and network properties involving cellular coverage, Erlang capacity, and network control. With this book, you will attain a deeper understanding of personal communications system concepts and will be better equipped to develop systems and products at the forefront of the personal wireless communications market.
| Author | : Hsiao-Hwa Chen |
| Publisher | : John Wiley & Sons |
| Total Pages | : 476 |
| Release | : 2007-08-20 |
| Genre | : Technology & Engineering |
| ISBN | : 9780470022955 |
Download The Next Generation CDMA Technologies Book in PDF, ePub and Kindle
Future wireless communication systems should be operating mainly, if not completely, on burst data services carrying multimedia traffic.The need to support high-speed burst traffic has already posed a great challenge to all currently available air-link technologies based either on TDMA or CDMA.The first generation CDMA technology has been used in both 2G and 3G mobile cellular standards and it has been suggested that it is not suitable for high-speed burst-type traffic. There are many problems with the first generation CDMA technology, such as its low spreading efficiency, interference-limited capacity and the need for precision power control, etc... 'The Next Generation Technologies' will offer first-hand information on how to make use of various innovative technologies to implement the next generation CDMA technology. As an all-in-one reference for telecommunications engineers, advanced R & D personnels, undergraduate and postgraduate students, this book is must-read material. Addresses various important issues about the next generation CDMA technologies as the major air-link technology for beyond 3G wireless applications. Covers topics from next generation CDMA system modelling to analytical methodology, starting with the basics and progressing to advanced research topics. Contains many new and previously unpublished research results. Introduces many innovative CDMA technologies such as DS/CC-CDMA, OS/CC-CDMA, space-time complementary coding CDMA, M-ary CDMA, optical complementary coded CDMA, etc.
| Author | : Joseph Shapira |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 439 |
| Release | : 2007-12-14 |
| Genre | : Technology & Engineering |
| ISBN | : 0387490647 |
Download CDMA Radio with Repeaters Book in PDF, ePub and Kindle
The book addresses the role of repeaters in the CDMA network, their interaction with the network and the needed integrative design and optimization of the repeater-embedded network. The approach of the book is to develop functional comprehension of the complex radio network, and affinity to the factors dominating the Radio Resource Utilization. Simple models are developed, and field-measured case studies complement the analysis.
| Author | : Guu-Chang Yang |
| Publisher | : Artech House |
| Total Pages | : 378 |
| Release | : 2002-01-31 |
| Genre | : Technology & Engineering |
| ISBN | : 9781580535526 |
Download Prime Codes with Applications to CDMA Optical and Wireless Networks Book in PDF, ePub and Kindle
This first-of-its-kind book provides you with the latest research on prime codes and their advanced wireless and optical communications applications. It describes in clear, concise language the fundamental issues involved in prime codes and their relationships to modern communications, with the focus on performance analysis and results. Examples are used to illustrate the fundamental concepts and to show you how prime codes are designed. You learn how to apply prime codes to optical communication systems and networks with experimental demonstrations.
| Author | : Valeri P. Ipatov |
| Publisher | : John Wiley & Sons |
| Total Pages | : 400 |
| Release | : 2005-05-06 |
| Genre | : Science |
| ISBN | : 9780470091784 |
Download Spread Spectrum and CDMA Book in PDF, ePub and Kindle
Spread spectrum and CDMA are cutting-edge technologies widely used in operational radar, navigation and telecommunication systems and play a pivotal role in the development of the forthcoming generations of systems and networks. This comprehensive resource presents the spread spectrum concept as a product of the advancements in wireless IT, shows how and when the classical problems of signal transmission/processing stimulate the application of spread spectrum, and clarifies the advantages of spread spectrum philosophy. Detailed coverage is provided of the tools and instruments for designing spread spectrum and CDMA signals answering why a designer will prefer one solution over another. The approach adopted is wide-ranging, covering issues that apply to both data transmission and data collection systems such as telecommunications, radar, and navigation. Presents a theory-based analysis complemented by practical examples and real world case studies resulting in a self-sufficient treatment of the subject Contains detailed discussions of new trends in spread spectrum technology such as multi-user reception, multicarrier modulation, OFDM, MIMO and space-time coding Provides advice on designing discrete spread spectrum signals and signal sets for time-frequency measuring, synchronization and multi-user communications Features numerous Matlab-based problems and other exercises to encourage the reader to initiate independent investigations and simulations This valuable text provides timely guidance on the current status and future potential of spread spectrum and CDMA and is an invaluable resource for senior undergraduates and postgraduate students, lecturers and practising engineers and researchers involved in the deployment and development of spread spectrum and CDMA technology. Supported by a Companion website on which instructors and lecturers can find a solutions manual for the problems and Matlab programming, electronic versions of some of the figures and other useful resources such as a list of abbreviations.
| Author | : Adam Rosenberg |
| Publisher | : McGraw Hill Professional |
| Total Pages | : 646 |
| Release | : 2003-02-25 |
| Genre | : Technology & Engineering |
| ISBN | : 9780071399197 |
Download CDMA Capacity and Quality Optimization Book in PDF, ePub and Kindle
Now that CDMA has been accepted as a key component of worldwide 3G systems, service providers, capacity planners, engineers and technicians need to understand the best methods and tools for maximizing throughput, capacity, and quality. This book provides that expertise.
| Author | : Francis Swarts |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 340 |
| Release | : 1999 |
| Genre | : Computers |
| ISBN | : 9780792383604 |
Download CDMA Techniques for Third Generation Mobile Systems Book in PDF, ePub and Kindle
CDMA Techniques for Third Generation Mobile Systems presents advanced techniques for analyzing and developing third generation mobile telecommunication systems. Coverage includes analysis of CDMA-based systems, multi-user receivers, Turbo coding for mobile radio applications, spatial and temporal processing techniques as well as software radio techniques. Special emphasis has been given to recent advances in coding techniques, smart antenna systems, spatial filtering, and software implementation issues. Internationally recognized specialists contributed to this volume, and each chapter has been reviewed and edited for uniformity. CDMA Techniques for Third Generation Mobile Systems is an invaluable reference work for engineers and researchers involved in the development of specific CDMA systems.
| Author | : Riaz Esmailzadeh |
| Publisher | : Artech House |
| Total Pages | : 200 |
| Release | : 2003 |
| Genre | : Technology & Engineering |
| ISBN | : 9781580537636 |
Download TDD-CDMA for Wireless Communications Book in PDF, ePub and Kindle
Look to this cutting-edge new resource for a comprehensive description of TDD-CDMA technology. The book provides you with in-depth coverage of the important TDD-based standards, including the 3GPP's TD-CDMA for UMTS, and TD-SCDMA, the Chinese 3G standard. You gain a thorough understanding of the differences between the TDD and FDD modes of CDMA, and discover the advantages of TD-CDMA and TD-SCDMA in 3G systems. What's more, you find keen insight into the future research directions and prospects for 4G networks.
