At the present time, the wireless communications research community and industry are about to start discussions on standardization activities for the fourth generation (4G) of these systems. In the meantime, the research community has generated a number of promising solutions for significant improvements in system performance. Adaptive coding and modulation, iterative (turbo) decoding algorithms, space?time coding, multiple antennas and MIMO channels, multicarrier modulation, multiuser detection and ultra wideband radio are examples of enabling technologies for 4G.

The focus of the book is on the system elements that provide adaptability and reconfigurability, and discussion of how much these features can improve the system performance. At the same time, the book provides a solid overview of the conventional technologies, although this is not the focus of our discussion. The measure of performance is the reconfiguration efficiency defined as a ratio between the reconfiguration (signal to noise ratio) gain and the relative increase in complexity.

The content of this book is based on the results of the research community in the field of wireless communications across the globe, and a number of authors have been explicitly cited in the text. This by no means represents an exhaustive list of those whose work isbuilding up the enabling technology for 4G.


TABLE OF CONTENT:
Chapter 01 - Fundamentals
Chapter 02 - Adaptive Coding
Chapter 03 - Adaptive and Reconfigurable Modulation
Chapter 04 - Space?Time Coding
Chapter 05 - Code Division Multiple Access ? CDMA
Chapter 06 - Time Division Multiple Access ? TDMA
Chapter 07 - Orthogonal Frequency Divison Multiplexing
Chapter 08 - Ultra Wide Band Radio
Chapter 09 - Antenna Array Signal Processing
Chapter 10 - Adaptive Reconfigurable Software Radio
Chapter 11 - Examples of Software Radio Architectures
Chapter 12 - Network Overlay in 4G
Chapter 13 - User Location in 4G Networks
Chapter 14 - Channel Modeling and Measurements for 4G
Chapter 15 - Adaptive 4G Networks
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