Smart City: Recent Advances and Research Issues

Smart cities use technological innovations to improve urban services and people’s livelihoods to develop sustainably. Different technology solutions and technologies like IoT sensors, big data analytics, communication networks, and applications are being used to collect and analyze data to boost various services in smart cities, including public services, transport, and various other utilities. The article intends to discuss the state-of-the-art technologies of smart cities and their roles and applications. It also seeks to analyze the current research trend in the smart city domain and its key enabling technologies. It also pursues to identify some of the open issues and challenges facing efficient use of energy, smart decision-making systems, privacy and security of data, and effective and secure communication technologies in smart cities.