A comprehensive review of communication technologies for street lighting applications in smart cities
Over the last decade, increasing availability of Internet of Things (IoT) devices and broadband communications technologies has enabled a number of smart applications in many cities. Among various smart city applications, a smart street lighting application is considered as one of the most cost-effective choices for a smart city today, if relying on existing street lights that are already deployed and networked across a city. Piggy-bagging on a readily available networked street lighting infrastructure, several city-wide services can be offered rapidly and cost effectively. Examples of additional devices that can be deployed along with networked street lights are such as environmental sensors, traffic sensors, IP cameras, digital signage, and more. To enable connections among different sensing and control devices, communication technologies and networks are of crucial components. There are a wide variety of communication technologies that can be used, namely, Sigfox, long range (LoRa), Weightless, Symphony Link, random phase multiple access (RPMA), narrowband IoT (NB-IoT), long-term evolution category 0/1/M (LTE category 0/1/M), power line communications (PLC), ZigBee, IPv6 low-power wireless personal area network (6LoWPAN), wireless local area network (WLAN), wireless mesh, worldwide interoperability for microwave access (WiMAX), and Cellular (2G/3G/ 4G/5G). The chapter aims at providing a comprehensive discussion of various communication technologies that can serve smart street lighting and other add-on applications in a smart city. These technologies are evaluated on the basis of communication network requirements of different applications pertaining to their data rate, latency, reliability, and security.
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