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.
Introduction - Wireless Technology in Future. Concluding Remarks.; WLANs -Introduction. MAC in WLAN Standards. QoS over Wireless LANs. Security in IEEE 802.11.; WPANs -Introduction. Technical Challenges of a WPAN Technology. Enabling Technologies. Ongoing Research. Research Issues for Future WPAN technology.; Overview of Frequency Selective Radio Channel -Introduction. Characterization of the Mobile Radio Channel. Frequency-Domain Channel Modeling. Frequency-Domain Channel Simulation. Application to mm-Wave Radio Channels. Conclusions.; Basics of OFDM -Introduction. OFDMIntroduction and System Model. Performance of an Uncoded OFDM System. Conclusions and Recommendations.; Synchronization -Introduction. The Analytical OFDM Model. OFDM and Different Kind of Synchronization Errors. An Overview of Correlation Synchronization Algorithms. Tracking for OFDM. Limits to the Usage of Cyclic Prefix for Tracking of Time.; The Peak Power Problem -Introduction. Distribution of the Peak-to-Average Power Ratio. Clipping and Peak Windowing. Peak Cancellation. PAP Reduction Codes. Symbol Scrambling.; A Novel Concept -Introduction. Detailed Structure of Various Multiple Access Schemes. Comparison to MC-CDMA. Analytical Performance in Fading Channels and Simulation in AWGN Channels. Performance in Fading Channels with Perfect Estimation. Conclusions.; A Practical OFDM System: Fixed Broadband Wireless Access (FBWA) - Introduction. Motivation. Proposed Fixed Broadband Wireless Access. Systems Requirements. Ubiquitous Connectivity.;
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Ramjee Prasad
Ramjee Prasad is director of the Center for TeleInFrastruktur (CTIF), Aalborg University. He is the author of OFDM for Wireless Communications Systems (Artech House, 2004), coauthor of Applied Satellite Navigation Using GPS, GALILEO, and Augmentation Systems, Multicarrier Techniques for 4G Mobile Communications, and WLANs and WPANs towards 4G Wireless, (Artech House, 2005, 2003, 2003), co-editor of Wireless IP and Building the Mobile Internet (Artech House, 2003), and is the author/coauthor of several other books published by Artech House.