Journal of Artificial Intelligence and Metaheuristics JAIM 2833-5597 10.54216/JAIM https://www.americaspg.com/journals/show/1535 2022 2022 Department of Communications and Electronics Engineering, Delta Higher Institute for Engineering and Technology, Talkha 35111, Egypt. Germien G. Sedhom Department of Communications and Electronics Engineering, Delta Higher Institute for Engineering and Technology, Talkha 35111, Egypt. Alshimaa H. Ismail Department of Communications and Electronics Engineering, Delta Higher Institute for Engineering and Technology, Talkha 35111, Egypt. Basma M. Yousef Because of the rapid evolution of communications technologies, such as the Internet of Things (IoT) and fifth generation (5G) systems and beyond, the latest developments have seen a fundamental change in mobile computing. Mobile computing is moved from central mobile cloud computing to mobile edge computing (MEC). Therefore, MEC is considered an essential technology for 5G technology and beyond. The MEC technology permits user equipment (UEs) to execute numerous high-computational operations by creating computing capabilities at the edge networks and inside access networks. Consequently, in this paper, we extensively address the role of MEC in 5G networks and beyond. Accordingly, we first investigate the MEC architecture, the characteristics of edge computing, and the MEC challenges. Then, the paper discusses the MEC use cases and service scenarios. Further, computations offloading is explored. Lastly, we propose upcoming research difficulties in incorporating MEC with the 5G system and beyond. 2022 2022 18 28 10.54216/JAIM.020202 https://www.americaspg.com/articleinfo/28/show/1535