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Vehicular communications and networking (VCN) is considered a billion-dollar industry. Its development not only possesses economic value, but also has enormous social potential. The earliest vehicular network started from the dedicated short range networks, such as the IEEE 802.11p standard established at the beginning of this century. In recent years, the public access network based VCN has been rapidly advanced. For example, LTE-V based on 4G LTE is under standardization, and VNC is for the fi rst time listed as one of the three representative application scenarios of 5G. It is envisioned that, as the enabler of the modern era of the automobile industry including electric vehicles, intelligent vehicles, and shared vehicles, VCN will undergo unprecedented development in the next decade. In 2020, VCN is expected to reach the level of trillion RBM, 30% of which will be covered by China. At the same time, VCN …