Balancing sustainability and security: A review of 5G and IoT in smart cities

Ghadah Aldehim , Sunawar khan , Tariq Shahzad , Muhammad Amir Khan , Yazeed Yasin Ghadi , Weiwei Jiang , Tehseen Mazhar , Habib Hamam

›› 2025, Vol. 11 ›› Issue (6) : 1722 -1737.

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›› 2025, Vol. 11 ›› Issue (6) :1722 -1737. DOI: 10.1016/j.dcan.2025.06.007
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Balancing sustainability and security: A review of 5G and IoT in smart cities

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Abstract

This century's rapid urbanization has disrupted urban governance, sustainability, and resource management. The Internet of Things (IoT) and 5G have the potential to transform smart cities through real-time data processing, enhanced connectivity, and sustainable urban design. This study investigates the potential of 5G connectivity with the IoT's hierarchical framework to enhance public service provision, mitigate environmental effects, and optimize urban resource management. The article asserts that these technologies can enhance urban operations by tackling scalability, interoperability, and security issues. The research employs case studies from Singapore and Barcelona. The document moreover analyzes AI-driven security systems, 6G networks, and the contributions of IoT and 5G to the advancement of a circular economy. The essay asserts that the growth of smart cities necessitates robust policy frameworks to guarantee equitable access, data protection, and ethical considerations. This study integrates prior research with practical experiences to tackle data-informed municipal governance and urban innovation. The importance of policy in fostering inclusive and sustainable urban futures is emphasized.

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5G communications / Internet of things / Smart cities / Urban infrastructure / Sustainable development / Connectivity / Data management

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Ghadah Aldehim, Sunawar khan, Tariq Shahzad, Muhammad Amir Khan, Yazeed Yasin Ghadi, Weiwei Jiang, Tehseen Mazhar, Habib Hamam. Balancing sustainability and security: A review of 5G and IoT in smart cities. , 2025, 11(6): 1722-1737 DOI:10.1016/j.dcan.2025.06.007

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