Large-Scale Cellular Vehicle-to-Everything Deployments Based on 5G—Critical Challenges, Solutions, and Vision towards 6G: A Survey

The proliferation of fifth-generation (5G) networks has opened up new opportunities for the deployment cellular vehicle-to-everything (C-V2X) systems. However, large-scale implementation 5G-based C-V2X poses critical challenges requiring thorough investigation and resolution successful deployment. This paper aims to identify analyze key associated with In addition, we address obstacles possible contradictions in standards caused by special requirements. Moreover, have introduced some quite influential projects, which influenced widespread adoption technology recent years. As primary goal, this survey provide valuable insights summarize current state field researchers, industry professionals, policymakers involved advancement C-V2X. Furthermore, presents relevant standardization aspects visions advanced 5G 6G approaches upcoming issues mid-term timelines.