This book explores the potential of 5G and beyond technologies in smart city setup, as it offers high bandwidth and performance, and low latency. It starts with an introduction to 5G along with challenges, limitations, and research areas in future wireless communication including related need for transformation in societal paradigm and infrastructure requirement. Applications related to Visible Light Communication, network management in smart cities, role of 5G in public healthcare, safety, security, and transportation, and existing and planned 6G research framework are included. Features: Gives out broad perspective on 5G communications with a focus on smart cities. Discusses artificial intelligence in future wireless communication and its applications. Provides a systemic and comprehensive coverage of 6G technologies, challenges and use cases. Explores role of future wireless in safety, health, and transport in smart cities. Includes case studies of future wireless communication. This book aims at researchers and professionals in communications, signal processing, cyber-physical systems, and smart city.