Comparative Study: 5G NR, Li-Fi, and ZigBee Wireless Technologies

This report provides a comparative analysis of three recent wireless technologies: 5G mmWave NR, Li-Fi, and ZigBee. The report explores the features, strengths, weaknesses, and real-time applications of each technology. 5G is highlighted for its fast transfer speed, low latency, and potential for powering the Internet of Things (IoT), including autonomous vehicles. Li-Fi is presented as a high-speed alternative utilizing visible light, suitable for applications like Augmented Reality and Virtual Reality. ZigBee is discussed for its low-power operation, suitability for machine-to-machine communication, and use in sensor technology. The report also addresses security issues, such as Man-in-the-Middle attacks for 5G, interference and denial-of-service for Li-Fi, and poor implementation for ZigBee. Ultimately, the report highlights Li-Fi's superior data rate and potential, while acknowledging 5G's current dominance in the IoT future. The report includes a table comparing key features of 4G and 5G, along with references to relevant sources.