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도서명	Introduction to Wireless Local Loop
저자/역자	William Webb
출판사	Artech House
분야	통신
목차/설명	Heres a comprehensive, easy-to-understand guide to the underlying technologies, key selection criteria, and design and deployment processes behind wireless local loop (WLL) systems. This one-source reference helps technical professionals develop a sound understanding of WLL system design procedures, and provides practical guidance on choosing the best WLL and access technologies. Its unique in its clear presentation of both the technical and business issues associated with wireless in the local loop. If youre a WLL engineer, or a non-technical manager, marketer, or regulator involved in WLL system development, youll find the information in this book invaluable. Well written introductory chapters discuss the main areas of the telecommunications environment, and the concepts of convergence and access technologies. You learn why wireless in the local loop is seriously challenging the use of traditional copper cable, the economic issues behind wired and wireless interconnection, and even some expert WLL market forecasts. Other advanced, practical sections... Identify and describe key WLL parameters, including range and capacity Evaluate various access technologies, and guide you in the selection process Examine the CDMA/TDMA debate, and consider which represents a better access technique Detail the network deployment process, with the help of an actual case study Show you how to effectively target your telecom service in a wide range of environments Describe how to apply for a license, choose a service offering, and develop the business case Discuss critical customer service issues -------------------------------------------------------------------------------- Contents: 1. What is Wireless Local Loop?: Why a Book on Wireless Local Loop? Acronyms and Terminology. How to Read This Book. 2. The Converging World of Telephony, TV, and Computers: Telecommunications. Broadcasting. Computing. The New Competing Environment. 3. Access Technologies: Access via Twisted Pair. Access via Coax. Access via TV Broadcast. Access via Mobile Radio. Access via WLL. Summary of Access Technologies. 4. Telecommunications Environments Worldwide: Developing Countries. Eastern Europe. First World Countries. History of WLL. The Business of Subsidization. 5. The Economics of Wireless Versus Fixed: The Cost of Wired Systems. The Cost of Wireless Systems. Hybrid Systems. Market Forecasts. 6. Radio Propagation: The Environment of Mobile Radio Propagation. The Line-Of-Sight Channel. Time Variation in Channels. Wideband Channels. Frequencies for WLL. Predicting WLL Coverage. 7. Radio Systems: Speech Coding. Ciphering. Error-Correction Coding and Interleaving. Modulation. Multiple Access. The Use of Spreading Codes in a CDMA System. Packet and Circuit Switching. 8. TDMA or CDMA?: Capacity Comparison. Comparison of Other Factors. 9. Overview of Technologies: Why So Many Choices? Standardization Activities. Segmenting the Technologies. Matching the Technology to the Requirement. The Important Information. 10. The Cordless Technologies: DECT. PHS. CT-2. Summary of Cordless Systems. 11. The Cellular Technologies: Analog Cellular. Digital Cellular. Future Cellular Systems. Summary of Cellular Systems. 12. The Proprietary Technologies: The TDMA Technologies. The CDMA Technologies. Other Technologies. Summary of Proprietary Technologies. 13. Choosing the Right Technology: Capacity Comparison. Cost Comparison. Functionality Comparison. Summary. 14. Getting a License: The Opportunities. The License Application. Radio Spectrum Issues. 15. Choosing a Service Offering: Possible Components of the Service Offering. Mobility in the Local Loop. 16. Developing the Business Case: The Overall Structure of the Business Case. The Network Build Costs. The On-Going Costs. Predicting Revenue. Financing Arrangements. Summary Financial Statistics. Tariffing Policies. 17. Rolling Out the Network: Selecting the Number of Cells. Selecting the Cell Sites. Connecting the Cells to the Switch. Installing the Subscriber Units. Billing, Customer Care, and Related Issues. 18. Case Study: Market Demand Forecast. System Grade of Service. Vendor Selection. Radio Spectrum Requirements. Numbering Requirements. Network Build Plan. Network Configuration. Traffic Matrix and Routing. 19. The Future: Technical Advances in WLL. Technical Advances in Other Access Techniques. Changing User Demand. The Future for WLL. 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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