دانلود کتاب سیستم‌های ارتباطات بی‌سیم: از مبانی تا 6G

The first edition of this book was completed in 2009 and published by Cambridge University Press in 2010, during the finalization and initial deployment of fourth-generation (4G) mobile communication standards. Since then, the field has evolved significantly: fifth generation (5G) networks are now widely deployed, and sixth generation (6G) systems are under active research and standardization. Concurrently, advances in information theory, signal processing, and artificial intelligence (AI) have expanded the scope and capabilities of wireless systems and are being integrated into the 3GPP evolution toward 6G. To reflect these developments and update outdated material, this second edition has been substantially revised. The first edition sought to provide a comprehensive reference on wireless communication systems, resulting in a broad but voluminous text with limited depth in some areas. This edition adopts a more focused and structured approach. Foundational principles remain central, while implementation topics and emerging technologies have been reorganized, streamlined, or merged. Chapters on antennas, RF subsystems, source coding, and signal processing have been condensed, and obsolete material removed. New content has been added to address recent developments, including reconfigurable intelligent surfaces, integrated sensing and communication, and AI-enabled wireless systems. Written from a system designer’s perspective, this book provides a broad yet technically rigorous view of modern wireless communications. It covers essential technologies such as channel modeling, modulation, coding, equalization, digital signal processing, antenna design, and RF/microwave subsystems. In contrast to texts that focus primarily on theoretical principles, this volume emphasizes system-level integration at the physical layer. Higher-layer protocols, such as those related to transport and networking, are beyond its scope. To improve clarity and accessibility, detailed mathematical derivations are omitted in favor of concise formulations and practical insights. Each chapter concludes with problems designed to reinforce key concepts and support instructional use. The book is intended for advanced undergraduate and graduate students in electrical engineering, as well as engineers and researchers in wireless communications and related fields. Readers are expected to have prior knowledge of signals and systems, probability and stochastic processes, linear algebra, circuit analysis, and digital communications —topics typically covered in undergraduate curricula. The material is applicable to mobile, satellite, and wireless networking systems. The content is suitable for a two-semester course. For a one semester offering, we recommend covering Chaps. 2–11, and 13, and selected sections from other chapters. The modular and self-contained structure of each chapter enables flexible adaptation to different instructional needs. A solutions manual is available for download from https:// www.researchgate.net/ profile/ Ke-Lin-Du. We would like to thank Profs./Drs. Jingyu Hua, Korrai D. Rao, and Yujie Gu for their valuable feedback and insightful discussions. We are also deeply thankful to Profs./Drs. Biaobiao Zhang, Zhi-Jiang Xu, Jie Zeng, Jiabin Lu, Weiguo Sheng, Yongjian Ren, Renwang Li, and Bingchun Jiang for their support throughout the three-year preparation of this manuscript. We gratefully acknowledge Xiaxia Gao for her assistance in preparing Fig. 4. 8. Our heartfelt appreciation goes to our families for their unwavering support. Finally, we extend our sincere gratitude to the Springer production team—especially Oliver Jackson and Jayanthi Krishnamoorthi—for their professional guidance and dedication that made this book possible. We acknowledge the use of AI tools developed by OpenAI, specifically ChatGPT (GPT-5), during 2025 to assist in refining grammar, spelling, style, and formatting throughout this book. All AI-assisted text was carefully reviewed, revised, and approved by the author to ensure accuracy, clarity, and the preservation of the original scientific content and intent. While every effort has been made to ensure technical accuracy and comprehensive coverage, some errors or omissions may remain. We welcome comments and suggestions via email at kldu@ieee.org or swamy@ece.concordia.ca.