WCDMA for UMTS : Radio Access for Third Generation Mobile Communications
Language: English
Published by Wiley, J /VCH, 2001
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Zustand: Sehr gut | Seiten: 314 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.
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- Title
- WCDMA for UMTS : Radio Access for Third Generation Mobile Communications
- Author
- Unbekannt
- Publisher
- Wiley, J /VCH
- Publication year
- 2001
- Condition
- Sehr gut
- Binding
- Hardcover
- Language
- English
- ISBN 10
- 0471486876
- ISBN 13
- 9780471486879
- Seller catalogs
- Bücher
"Synopsis" may belong to another edition of this title.
From the Back Cover
* Explains the key parts of the 3GPP / WCDMA standard and provides guidelines for its efficient use
* Presents network dimensioning and coverage and capacity planning of WCDMA
* Introduces radio resource management algorithms in the WCDMA network
* Examines the coverage and capacity of WCDMA up to 2 Mbps using numerous simulation results
* Introduces the TDD (Time Divisions Duplex) mode
* Discusses the co-existence of TDD and FDD (Frequency Divisions Duplex) and highlights their main differences
Now includes the main modifications made to the 3GPP standard up until the end of 2000 and features the following new material:
* Reference terminal classes
* Current status of UMTS licensing
* Capacity upgrade paths and capacity per km2
* Inter-frequency handovers and inter-system handovers to GSM
* Antenna diversity gain measurements in the WCDMA experimental system
Written by leading experts in the field, this practical approach to the key features of WCDMA will have wide-ranging appeal to Research and Development Engineers, Practising Engineers, Cellular Operators, Technical Managers and Students on Telecommunications courses.
IEEE Vehicular Technology Society News
Mobile wireless systems have become the ubiquitous means of mass telecommunications over the past 15 years. The early 'first generation', analogue systems were optimised for voice communications only but the proliferation of differing standards, particularly within Europe led to the development of a common digital based approach. The resulting 'second generation' system, GSM, now dominates the world mobile market; however this system, too, was designed and optimised primarily for voice services, albeit with the option for low speed data over the voice channel. Over recent years, the growth in demand for access to Internet based multi-media enabled mobile telecommunications system.
What is now emerging, globally, is a range of proposals under the generic title IMT2000 for a terrestrial system based on five radio interfaces standards and three core network technologies - all of which should provide for full inter-working of services and applications in all continents!
Next generation mobile wireless clearly embrace a wide range of technical disciplines and are influenced in no small part by the underlying commercial and political aspirations of the many parties world-wide committed to its successful implementation. Indeed it so difficult for any individual to remain expert in all the necessary areas.
Within Europe the adopted approach is know as UMTS. A new radio interface based on WCDMA (Wide Band Code Division Multiple Access) is currently in the final stages of standardisation for a first release (r'99) and the initial UMTS system will be based on a GSM core network as enhanced to support the soon to be publicly launched GPRS packet data system.
The standardisation work for UMTS is being carried out under the auspices of 3GPP, the 3rd Generation Partnership Project and the editors and chapter contributors of this new book, all of whom are with Nokia, are to be congratulated on providing a detailed description of the WCDMA air interface and its utilisation and in providing a set of references to the appropriate 3GPP Technical Specifications.
Chapter 1 introduces the third generation air interfaces, the spectrum allocation, the time schedule, and the main differences from second-generation air interfaces.
Chapter 2 presents example UMTS applications, concept phones, and the quality of service classes.
Chapter 3 introduces the principles of the WCDMA air interface, including spreading, the Rake receiver, power control, and handover.
Chapter 4 presents the background to WCDMA, the global harmonisation process, and the standardisation.
Chapters 5-7 give a detailed presentation of the WCDMA standard, while chapters 8-11 cover the utilisation of the standard and its performance.
Chapter 5 describes the architecture of the radio access network, interfaces within the radio access network between base stations and radio network controllers and the interface between the radio access network and the core network.
Chapter 6 covers the physical layer (layer 1), including spreading, modulation, user data and signalling transmission diversity and handover measurements.
Chapter 7 introduces the radio interface protocols, comprising the data link layer (layer 2), and the network layer (layer 3).
Chapter 8 presents the guidelines for radio network dimensioning, gives an example of detailed capacity and coverage planning and addresses GSM co-planning.
Chapter 9 covers the radio resource management algorithms that guarantee the efficient utilisation of the air interface resources and the quality of service; these algorithms are for power control, handover, admission and load control.
Chapter 10 presents packet access in WCDMA and includes the results of dynamic system simulations.
Chapter 11 analyses the capacity and coverage of the WCDMA interface at rates up to 2 Mbps.
Chapter 12 introduces the time division duplex (TDD) mode of the WCDMA air interface and its differences from the frequency division mode (FDD). A brief overview of the characteristics of multi-carrier CDMA, one of the alternative air interfaces proposed IMT2000 is given in chapter 13.
Whilst not a book for the novice, the WCDMA for UMTS does achieve its objective in presenting a detailed description of the FDD operating mode. The TDD mode, which in the opinion of this review will have a very significant part to play in the future of UMTS, particularly given the asymmetric nature of multi-media traffic and the unpaired spectrum allocations available both now and likely as extension bands for UMTS, does not receive all the attention it deserves and, inevitably, the standardisation activities have moved on in both this area and that for packet access since the book was published. And for those seeking an overview of the complete UMTS system, the text does not address the core network for UMTS.
That said, this is the first book published to describe the UMTS air interface and I would certainly recommend it as the starting point for anyone seeking a way in to the 3GPP Technical Publications.
"About the title" may belong to another edition of this title.
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