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 Introduction to Wireless Local Loop, Second Edition: Broadband and Narrowband Systems

저자/역자

 William Webb

출판사

 Artech House

분야

 통신

목차/설명

 Featuring the hottest new technologies (including LMDS, MVDS, WLAN), updated market forecasts, and the latest regulatory initiatives, this updated edition of the best-selling Introduction to Wireless Local Loop keeps you on the forefront of current and emerging products, services, and issues affecting this field. The second edition includes new chapters on WLL deployment, the current WLL market, and a substantial review of broadband technologies, as well as new sections on prediction of user requirements and the emerging UMTS standard. It is a comprehensive, easy-to-understand guide to the underlying technologies, key selection criteria, and design and deployment processes driving wireless local loop (WLL) systems. It helps technical professionals develop a sound understanding of WLL system design procedures, and provides practical guidance on choosing the best WLL and access technologies. And it remains unique in its clear presentation of both the technical and business issues associated with wireless in the local loop.

Contents:

Preface. Acknowledgments.

Part One ?Setting the Scene.


1) Introduction.

What is wireless local loop? Why a book on wireless local loop? How to read this book.

2) The Converging World of Telephony, Television, and Computers.

A very confused global marketplace. Telecommunications. Broadcasting. Computing. The impact of IP on convergence. The new competing environment. Predicting what the user will require.

3) Access Technologies.

Access. Access via twisted pair. Access via coax. Access via TV broadcast. Access via mobile radio. Access via WLL. Access via power-line technology. Summary.

Part Two - Why Wireless?

4) Telecommunications Environments World-Wide.

The world telecommunications environment. Developing Countries. Eastern Europe. First World Countries. History of WLL. The business of subsidization.

5) The Economics of Wireless Versus Fixed.

The economics of telecommunications systems. The cost of wired systems. Hybrid systems. Market forecasts.

6) Wireless Local Loop Markets.

Introduction. What went wrong? How the market will change the future.

Part Three ?Technical Information about Wireless.

7) Radio Propagation.

Introduction. The line-of-sight channel. Time variation in channels. Wideband channels. Frequencies for WLL. Predicting WLL coverage.

8) Radio Systems.

Speech coding. Error-correction coding and interleaving. Ciphering. Modulation. Multiple Access. The use of spreading codes in a CDMA system. Orthogonal frequency division multiplexing. Packet and circuit switching. Time division duplex transmission.

9) TDMA or CDMA.

Introduction to the debate. Capacity comparison. Comparison of other factors. Summary.

Part Four ?Wireless Radio Technologies.

10) Overview of Technologies.

Introduction. Standardization activities. Segmenting the technologies. Matching the technology to the requirement. The important information.

11) The Cordless Technologies.

Introduction. DECT. PHS. CT-2. Summary.

12) The Cellular Technologies.

Introduction. Analog Cellular. Digital cellular. Future cellular systems. Summary.

13) The Proprietary Technologies.

Introduction. The TDMA technologies. The CDMA technologies. Other technologies. Summary.

14) The Broadband Technologies.

Introduction. Can WLL provide broadband services? MMDS. LMDS. MVDS and other TV distribution systems. Wireless LAN systems. HiperAccess. Broadband proprietary products. Mesh networks.

15) Choosing the Right Technology.

Introduction. Capacity comparison. Cost comparison. Functionality comparison. Summary.

16) Looking at a Technology in Detail: CDMAOne.

Introduction. System architecture. PSTN to WAM interconnection. Wireless access manager. Base stations. Fixed wireless terminal.

Part Five ?Deploying Wireless Local Loop Systems.

17) Getting a License.

Spotting the opportunity. Writing the license application. Radio spectrum for WLL. Radio spectrum issues.

18) Choosing a Service Offering.

Introduction. Possible components of the service offering. Mobility in the local loop.

19) Developing the Business Case.

The overall structure of the business case. The network build costs. The ongoing costs. Predicting revenue. Financing arrangements. Summary financial statistics. Tariffing policies. Analyzing the business case.

20) Rolling Out the Network.

Introduction. Selecting the number of cells. Selecting the cell sites. Connecting the cells to the switch. Installing the subscriber links. Billing, customer care, and related issues. Summary.

21) Case Study.

Introduction. Market demand forecast. System grade of service. Vendor selection. Radio spectrum requirements. Numbering requirements. Network build plan. Network configuration. Traffic matrix and routing. Summary.

22) The Future.

Introduction. Technical advances in WLL. Technical advances in other access technologies. Changing user demand. The future for WLL.

List of Acronyms and Abbreviations.

About the Author. Index.

William Webb is director of strategy at Motorola. He is a fellow of the IEE, a senior member of the IEEE, and a chartered engineer. Dr. Webb holds four patents and has also authored Introduction to Wireless Local Loop, Second Edition; The Complete Wireless Communications Professional; and Understanding Cellular Radio (Artech House 2000, 1999, 1998). He received both a Ph.D. in mobile radio and an M.B.A. from Southampton University. He is listed in Whos Who in America.

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