The Race Towards 6G Wireless Networks: Importance, Technologies and Challenges

6G wireless network is an emerging communication technology that is expected to revolutionize internet and thus pave the way for new advanced technologies. This article explores the need for 6G networks and show the major difference between 6G and 5G. Then, it discusses some of the technologies that could pave the way for 6G including artificial intelligence, terahertz communications, visible light communication, ultra-massive MIMO, quantum communication, and intelligent reflective surface. The research gives insights on the importance of 6G network, and what technologies can play roles in enabling it while highlighting some of the challenges.