Applications Of Cdma In Wireless Personal Communications
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Applications Of Cdma In Wireless Personal Communications
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Author : Vijay Kumar Garg
language : en
Publisher: Prentice Hall
Release Date : 1997
Applications Of Cdma In Wireless Personal Communications written by Vijay Kumar Garg and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Code division multiple access categories.
This book is for senior/graduate level courses in telecommunications and mobil communications. The deployment of wireless communications over the last decade has been phenomenal. With over 28,000 new cellular subscribers a day, the public's desire Personal Communications Systems is keeping this frenzy alive. Enabling wireless providers to put 10-20 times the number of callers on the same network Code-Division Multiple Access (CDMA) has become THE technology standard for use in designing PCS systems.
Applications Of Cdma In Wireless Personal Communications
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Author : Vijay K. Garg
language : en
Publisher: Institute of Electrical & Electronics Engineers(IEEE)
Release Date : 2000-03
Applications Of Cdma In Wireless Personal Communications written by Vijay K. Garg and has been published by Institute of Electrical & Electronics Engineers(IEEE) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03 with categories.
This course offers an understanding of CDMA (IS-95 Standard) in wireless and personal communications. It introduces spread spectrum and CDMA, then discusses architecture, interfaces, services, messages and call flows in the TR 45/46 IS-95 CDMA system.
Wireless Communications
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Author : Savo G. Glisic
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Wireless Communications written by Savo G. Glisic and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Technology & Engineering categories.
In Time Division Multiple Access (TDMA), within a given time frame a particular user is allowed to transmit within a given time slot. This technique is used in most of the second-generation digital mobile communication systems. In Europe the system is known as GSM, in USA as DAMPS and in Japan as MPT. In Code Division Multiple Access (CDMA) every user is using a distinct code so that it can occupy the same frequency bandwidth at the same time with other users and still can be separated on the basis of low correlation between the codes. These systems like IS-95 in the USA are also developed and standardized within the second generation of the mobile communication systems. CDMA systems within a cellular network can provide higher capacity and for this reason they become more and more attractive. At this moment it seems that both TDMA and CDMA remain viable candidates for application in future systems. Wireless Communications: TDMA versus CDMA provides enough information for correct understanding of the arguments in favour of one or other multiple access technique. The final decision about which of the two techniques should be employed will depend not only on technical arguments but also on the amount of new investments needed and compatibility with previous systems and their infrastructures. Wireless Communications: TDMA versus CDMA comprises a collection of specially written contributions from the most prominent specialists in wireless communications in the world today and presents the major, up to date, issues in this field. The material is grouped into four chapters: Communication theory, covering coding and modulation, Wireless communications, Antenna & Propagation and Advanced Systems & Technology. The book describes clearly the issues and presents the information in such a way that informed decisions about third generation wireless systems can be taken. It is essential reading for all researchers, engineers and managers working in the field of Wireless Communications.
Wireless Personal Communications
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Author : Brian D. Woerner
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Wireless Personal Communications written by Brian D. Woerner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Technology & Engineering categories.
The area of personal and wireless communications is a burgeoning field. Technology advances and new frequency allocations for personal communication services (PCS) are creating numerous business and technical opportunities. It is becoming clear that an essential requirement for exploiting opportunities is the ability to track the dramatic changes in wireless technology, which is a principal aim of this book. Wireless Personal Communications: Research Developments places particular emphasis on the areas of signal processing, propagation and spread-spectrum, and emerging communication systems. This book contains new results on adaptive antennas for capacity improvements in wireless communication systems, as well as state-of-the-art information on the latest technical developments. Also included are several chapters which discuss the impact of defense conversion on the wireless industry, and related competitive issues. The six parts of the book each focus on a distinct issue in wireless communications. Part I contains several tutorial chapters on key areas in wireless communications. The first chapter is on radio wave propagation for emerging wireless personal communication systems. Chapter two contains a comprehensive study of emerging DSP-based interference rejection techniques for single channel (antenna) systems. Chapter three deals with spread spectrum wireless communications, explaining the concept of spread spectrum, modeling techniques for spread spectrum, and current applications and research issues for spread spectrum systems. Part II focuses on digital signal processing and spread spectrum, two means of creating interference and multipath robust communications. Part III concerns propagation aspects of wireless communications. Part IV discusses the performance of emerging wireless systems. Part V describes the opportunities and pitfalls of defense conversion from the perspective of several U.S. defense firms that have successfully made the transition to commercial wireless. The final section discusses a number of competitive issues regarding personal communication services.
Wireless Personal Communications
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Author : Martin J. Feuerstein
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Wireless Personal Communications written by Martin J. Feuerstein and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
In this book, the state-of-the-art and future vision of wireless communications is presented in the form of a number of new services. Wireless personal communications is clearly a different service than today's cellular radio or cordless telephone, but there is an evolutionary connection between the three services. This book addresses questions about what features of personal communication services (PCS) will be met by existing or enhanced digital cellular radio technology. The regulatory and standards aspects of wireless communications are currently in a crucial stage of their formulation. A section of the book is devoted to the opinions of representatives from regulatory agencies and standards organizations on the future of this critical area. One of the most intriguing questions about the future of wireless communications has to do with the choice of multiple access technique. The trade offs between time division multiple access (TDMA) and code division multiple access (CDMA) have been the topic of many a heated discussion amongst members of the wireless community. This book presents a thorough discussion of a number of the topics which are instrumental in making a fair comparison of TDMA and CDMA; these topics include: analytical performance evaluation techniques, capacity studies, equalization requirements, and shared spectrum comparisons. Many of the technologies associated with wireless personal communications are reaching the design stages. This book presents a number of alternatives for designs of both base stations and user terminals. Some of the key questions of equalization, control channel requirements, multi-path diversity and channel allocation strategies have been addressed. Invariably, system designs and performance are tied to the characteristics of the radio channel. This book introduces several novel techniques for predicting propagation and system performance in a variety of indoor and outdoor environments. These techniques include analytical as well as computer simulation algorithms for predicting signal strenghts and other channel parameters based on the local topographical features. This book serves as an excellent reference source and may be used as a text for advanced courses on wireless communications, cellular radio, or digital mobile radio.
Wireless Personal Communications
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Author : Theodore S. Rappaport
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Wireless Personal Communications written by Theodore S. Rappaport and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
"Well informed people know it is impossible to transmit the voice over wires, and that were it possible to do so, the thing would be ofno practical value. " from an editorial in the Boston Post -1865 Fortunately for the telecommunications industry, the unknown author of the above statement turned out to be very mistaken indeed. Even as he spoke, Alexander Graham Bell was achieving the impossible, with a host of competing inventors close behind. The communications revolution which ensued has changed the way in which we live and work, and the way in which we view the world around us. Wired telephone lines now encircle the globe, allowing instantaneous transmission of voice and data. Events from Times Square to Red Square are now as accessible as events on the local courthouse lawn. The advent of wireless communications has extended Bell's revolution to another domain. Personal communications promises voice, data and images which are accessible everywhere. Although predictions are dangerous, a look back over the last decade reveals spectacular growth. In the United States alone, there are now over 50 million cordless phones in use throughout the country -at least one cordless phone for every 3 households - and nearly 20 million pocket pagers. U. S. Cellular telephone service, launched commercially in 1984, has experienced 30-40% annual growth rates despite a sluggish economy.
Ofdm For Wireless Communications Systems
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Author : Ramjee Prasad
language : en
Publisher: Artech House
Release Date : 2004
Ofdm For Wireless Communications Systems written by Ramjee Prasad and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Technology & Engineering categories.
Annotation Written by a leading authority, this timely new work offers today's wireless professionals a complete understanding of OFDM technology and applications in wireless communications systems, placing emphasis on wireless LANs (local area networks) and PANs (personal area networks).
Is 95 Cdma And Cdma2000
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Author : Vijay K. Garg
language : en
Publisher: Pearson Education
Release Date : 1999-12-09
Is 95 Cdma And Cdma2000 written by Vijay K. Garg and has been published by Pearson Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-12-09 with Technology & Engineering categories.
The Next Generation: Wireless Communications for Multimedia and Beyond Of all wireless technologies for personal communications, Code Division Multiple Access (CDMA) offers the best combination of good signal quality, high security, low power consumption, and excellent system reliability. Features added in the IS-95 standard means this impressive list now also includes Third Generation (3G) data capabilities that will allow CDMA providers to offer Internet and intranet services for multimedia applications, high-speed business transactions, and telemetry. The upcoming cdma2000 standard will further expand usable bandwidth without sacrificing voice quality or requiring additional spectrum. In this book by an experienced telecommunications authority, you will learn how to maximize the power of CDMA, migrate existing systems to the newest standards, and prepare for a smooth transition to features yet to come. IS-95 CDMA and cdma2000: Cellular/PCS Systems Implementation covers all aspects of up-to-date CDMA implementation and operation, including: Coding and architecture Radio interface and call flow Physical, data link, and signaling layers Handoff and power control System security Wireless Data Reverse and Forward Link Capacity RF Engineering and network planning Evolution to Third Generation systems Practicing engineers and their managers will benefit from the in-depth coverage of IS-95 systems, RF engineering, and capacity planning. Students will appreciate the forward-looking approach that offers a look at the future of the industry where they are preparing for careers. IS-95 CDMA and cdma2000: Cellular/PCS Systems Implementation offers both practical applications information and conveniently organized reference materials for anyone interested in the next generation of wireless telecommunications.
Cdma For Wireless Personal Communications
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Author : Ramjee Prasad
language : en
Publisher: Artech House Publishers
Release Date : 1996
Cdma For Wireless Personal Communications written by Ramjee Prasad and has been published by Artech House Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Technology categories.
Code Division Multiple Access (CDMA) is a hot topic. Until now, it has only been used in satellite and military systems, but engineers are starting to recognize certain advantages it has over FDMA and TDMA for use in cellular radio.
Technology Trends In Wireless Communications
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Author : Ramjee Prasad
language : en
Publisher: Artech House
Release Date : 2003
Technology Trends In Wireless Communications written by Ramjee Prasad and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Computers categories.
Whether gaming, constant communications and connectivity, or streaming video and audio is the future killer app that keeps consumers reaching for mobile devices, you can turn to this book for the hands-on technology details you need to know to prepare yourself and your organizations for tomorrowOCOs world of wireless multimedia. The books includes in-depth discussions on the hottest topics in this area, including AAA, multiple access protocols, IPv6 and adaptive technologies. Such resource management strategies as power control, user admission techniques, and congestion control are fully explained, helping you design wireless multimedia systems that provide the required degree of quality of service by effectively utilizing limited radio resources."