KEYWORDS: Patents, Vehicle control, Analytical research, Control systems, Telecommunications, Electronics, Power supplies, Manufacturing, Information technology, Software development
Cooperative Vehicle Infrastructure System is the focus and hotspot of intelligent transportation research. This article retrieves and extracts patent information in the area of Cooperative Vehicle Infrastructure System from 2011 to 2020 from the Derwent Innovations Index, uses the patent technology map method to analyze patents, and reveals the main technical fields, technical hotspots and frontiers, and patent layouts of major countries/regions and patentees, etc., then puts forward the characteristics and trends of technological development in this area. The analysis can provide reference and support for policy planning, industrial investment, technology research and development in this area.
Cooperative Vehicle Infrastructure System is the focus and hotspot of smart transportation research. This paper collects SCI journal paper data under the core collection of Web of Science in the field of CVIS from 2011 to 2020, uses the method of Mapping Knowledge Domains to analyze the paper data, reveals the research hotspots, evolution characteristics, research frontiers and development trends in this field, and then concludes that the research on CVIS is in the early stage of development, international and domestic research themes and hotspots are basically consistent, CVIS is a development path of autonomous driving technology suitable for China's national conditions. The research in this paper can provide references for policy planning, technology research and development, and industrial development in this field.
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