OFDM for Wireless Communications Systems (e-bok)
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OFDM for Wireless Communications Systems (e-bok)

OFDM for Wireless Communications Systems (e-bok)

E-bok (PDF - DRM), Engelska, 2003-01-01
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Written by leading authority Ramjee Prasad, this timely new work offers a complete understanding of OFDM technology and applications in wireless communications systems, placing emphasis on wireless LANs and PANs. OFDM is a key technology for beyond 3G communications, promising robust, high capacity, high speed wireless broadband multimedia networks. In this practical resource, established and new technologies are explained clearly and comprehensively, from OFDM basics to a detailed account of a new technique, hybrid OFDM CDMA slow frequency hopping. The book offers an in-depth treatment of the underlying technologies and applications of PANs and describes and evaluates a practical OFDM system concept. Invaluable for wireless engineers and researchers, this cutting edge new book is a must-have for anyone who needs to understand this critical technology and its implementation in WLANs and WPANs.
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Part 1: Access Technology and Air Interface The UMTS Architecture - The Way to UMTS. The IMT 2000 Family. UMTS Network Architecture. UTRAN Architecture. Major changes from GSM to UMTS. UMTS Bearer Concept and User Equipment. Understanding WCDMA - Comparison of Access Techniques. Properties of Spread Spectrum Systems. Direct Sequence Spread Spectrum (DS-SS). The Data Transmission Path. The UMTS Air Interface - UTRA Radio Interface Architecture. Logical and Transport Channels. Physical Layer Data Handling. Physical Channels in UTRAN. Spreading and Modulation. Part 2: The Protocol Stack and Lower Layer Processing Details UMTS Physical Layer Details - Power Control. Soft and Softer Handover. Physical Channels Types and Properties. Cell Search Procedure. System Information Blocks and Transmission. Radio Access Procedure. Rate Matching. Compressed Mode Transmission. Air Interface Protocols - Data Flow through the Media Access Control (MAC) Layer. Radio Link Control (RLC) Layer Functions. Radio Resource Control (RRC) Functions. Packet Data Convergence Protocol (PDCP). UTRAN Protocols - ASN.1 Notation. UMTS Protocol Stack. lub Interface Protocols. lu Interface protocols. Part 3: Higher Layer Procedures and Selected Scenarios