This book provides solutions to some of the issues present in the physical layer of current high-frequency wireless communication systems. It reviews the development history of high-frequency wireless communication systems, pinpoints certain existing problems in contemporary high-frequency communication systems, and proposes solutions. The 6th Generation Mobile Networks (6G) is based on terrestrial cellular networks and integrates satellite communication, drone communication, and marine co...

This book investigates the multiuser communication and its key technology—multiple access technology, as well as transceiving design methods. Multiple access methods toward B5G and 6G currently allows the superposition transmissions of multiuser signals with controllable mutual interference. By deploying advanced multiuser detector, current technology significantly enhances the connectivity, improves the spectral efficiency and simplifies the signaling interactions. Considering that the ma...

This book discusses the architecture of future wireless networks, reliable communications between different nodes, and energy-efficient resource allocations for achieving sustainable wireless communications. To meet the increasing demands of wireless communication networks and achieve sustainable wireless communications, various promising technologies in this book have been investigated and developed. This book is to present cutting-edge research results on achieving sustainable wireless c...

This book focuses on the modeling and analysis of large-scale array communication systems to solve the computational complexity problems caused by high-dimensional arrays. This is achieved by providing an in-depth study on several major topics, such as channel estimation, delay estimation, angle estimation, and joint angle delay estimation. Both principles and engineering practice have been addressed, with more weight placed on engineering practice. The energy efficiency optimization probl...