Abstract
This article highlights the importance of Internet of Things (IoT) and 5G networks in sustainable cities, focusing on disaster management systems. It also discusses suitable 5G communication technologies in disaster affected and communications outage areas. The article surveys various potential emerging communication technologies such as IoT, device-to-device communications, vehicular networks, cloud and fog computing, unmanned aerial vehicles, and sensor networks for disaster situations. The presented work offers insight in collaborative solutions using diverse technologies, which benefit from ever rising wireless connected devices to support communications in natural catastrophes. The article also presents extensive taxonomy for disaster communication systems and shares key results in selected areas. The key requirements for successful deployment of a robust communications system are also presented.