"Pioneering outline of the concept which enhances 5G capabilities and will revolutionize the telecommunications industry Open RAN Explained details the new architectures, functionalities, and interfaces of Open RAN models and explains the standards, principles, and practical aspects the operators need to know to be prepared for the new era. The work describes the challenges and opportunities of modularization and presents scenarios and recommendations for optimal network deployment considering techno-economic aspects. It further summarizes the latest key features and aspects of the Open RAN to provide readers with a single source of information that eases network deployment, device designing, and education of personnel and students interested in advanced mobile communications."--