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Vehicular communication requires low latency, high speed and ultra-reliable transmission. However, the increase in popularity of connected vehicles, as well as rapid change in vehicular topology, limits the capabilities of the current vehicular network. Thanks to 3GPP release 16 as well as the outlines of release 17, which indicates that the next generation radio is showing great interest in the applications which require ultrareliable, low latency communication. In this work, we study critical requirements of the vehicular communication network along with several state of the art techniques towards mitigation of these problems. Besides, we discuss the 5G radio roadmap towards the fulfilment of vehicular network challenges, and several key enhancement and newly added verticals have been explained from the vehicular viewpoint.
Singh et al. (Tue,) studied this question.