Jianjun Wu

This book first surveys the relevant research progress of major institutions, organizations, projects and companies engaged in 6G research around the world, then comprehensively defines 6G from the perspectives of driving forces, vision, requirements, spectrum and technical characteristics, illustrating a complete picture of an end-to-end 6G mobile network with integration of communication, sensing, AI, data and security. The most promising technologies are presented, including distributed multiple-input and multiple-output (MIMO), Reflective Intelligent Surface (RIS), AI-enabled air interface, advanced full-duplex, OTFS, integration of communication and sensing, back-scatter communication, space-air-ground integration and ICDT converged network architecture.

This is an open access book. It is valuable in gaining an understanding of the working mechanism of pulsed plasma thrusters. It facilitates the evaluation of the thruster's working characteristics and propulsive performance, thereby providing a crucial theoretical foundation and reference for the design, development, and engineering application of pulsed plasma thrusters. Additionally, this book significantly contributes to the advancement of space electric propulsion technology. Researchers and engineers in the aerospace propulsion field can greatly benefit from the insights presented within this book.

This open access book focuses on the field of aerospace propulsion theory and engineering. The book takes the solar thermal thruster as the research object, has carried on the solar thermal thruster working process theoretical analysis, the numerical simulation and the experimental verification, and has revealed the solar thermal thruster internal working mechanism, and a design optimization method for high performance solar thermal thruster is presented. The research contents reflect the latest research results of performance analysis of solar thermal thrusters. This book is used as a textbook or reference book for teachers, students and scientists in the fields of aerospace, aeronautics, engineering thermal physics and power.