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This book is a comprehensive collection of advanced concepts divided into two main parts: resource allocation and adaptive transceivers for link optimization. These two research areas are at the core of the recent advances in wireless communication systems.

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In June 2000, GTEL (Wireless Telecommunications Research Group) at the F- eral University of Ceara was founded by Professor Rodrigo Cavalcanti and his c- leagues with the mission of developing wireless communications technology and impact the development of the Brazilian telecommunications sector. From the start, this research effort has been supported by Ericsson Research providing a dynamic environment where academia and industry together can address timely and relevant research challenges. This book summarized much of the research output that has resulted from GTEL´s efforts. It provides a comprehensive treatment of the physical and multiple access layers in mobile communication systems describing different generations of systems but with a focus on 3G systems. The team of Professor C- alcanti has contributed scienti cally to the development of this eld and built up an impressive expertise. In the chapters that follow, they share their views and kno- edge on the underlying principles and technical trade-offs when designing the air interface of 3G systems. The complexity of 3G systems and the interaction between the physical and m- tiple access layers present a tremendous challenge when modeling, designing, and analyzing the mobile communication system. Herein, the authors tackle this pr- lem in an impressive manner. Their work is very much in line with the developments in 3GPP providing a deeper understanding of the evolution of 3G and also future enhancements.

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I Resource Allocation.- Power Control for Wireless Networks: Conventional and QoS-Flexible Approaches.- Radio Resource Management Performance for the GSM/EDGE Radio Acess Network.- Performance Optimization in Practical HSPA Networks for Wireless Broadband Access.- Congestion Control for Wireless Cellular Systems with Applications to UMTS.- Resource Allocation in Multiuser Multicarrier Wireless Systems with Applications to LTE.- Common Radio Resource Management for Multiaccess Wireless Networks.- II Transceiver Architectures.- Strategies for Link-Level Performance Assessment in the Simulation of Wireless Systems.- Channel Equalization Techniques for Wireless Communications Systems.- Channel Estimation for OFDM Systems: Techniques, Algorithms, and Performance.- Link Adaptation for MIMO-OFDM Systems.- Multiuser MIMO Systems Using Space - Time - Frequency Multiple-Access PARAFAC Tensor Modeling.- MIMO Transceiver Design for Enhanced Performance Under Limited Feedback.

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