In the competition for the Internet of Vehicles technology, the C-V2X has a sense of coming up. Take a look at this “rhythmâ€: Not long ago, Ford, Panasonic, Qualcomm and the Colorado Department of Transportation announced plans to deploy C-V2X on selected roads at the CityNOW project headquarters in Panasonic, Denver. The ConVeX Alliance, which was established last year, is launching the first C-V2X direct communication interoperability live demonstration between Europe, motorcycles and infrastructure. The alliance includes Audi and Duka. Di, Ericsson, SWARCO, Kaiserslautern University of Technology and Qualcomm. These major initiatives reflect the cooperation between upstream and downstream of the industry chain in accelerating C-V2X applications. Full of stamina To achieve the interconnection of the car and everything, there must be a unified standard, which shows the importance of the V2V standard. The V2X industry is divided into DSRC (Special Short-Range Wireless Communication Standard) and C-V2X. DSRC is based on IEEE 802.11p, and V2V is its main application method. After more than ten years of development history, it has formed a traditional automotive electronics industry chain mainly based on NXP, ST, Renesas and car companies. Based on LTE-R14 technology, C-V2X is supported by LTE-VD and LTE-V-Cell technologies to form an industry camp dominated by Huawei, Qualcomm and other communication industry chain companies, telecom operators and automotive companies. The advantage of DSRC is "early birth." The DSRC has been recognized as a V2V standard by the US Department of Transportation, and the EU's collaborative intelligent transportation system and Japan's V2X are also based on DSRC. Although the DSRC has support from the United States and the European Union, the strength of the C-V2X is not to be underestimated. The C-V2X has gained support from a wide range of automotive ecosystems, including the fast-growing global industry organization, the 5G Auto Alliance. In addition, Huawei, Qualcomm, Ericsson, Intel, Nokia, etc. are also actively promoting the industrialization of C-V2X chips and devices. Audi, Toyota, SAIC, Changan, Dongfeng and other car companies have jointly conducted C-V2X technology testing. C-V2X continues to accelerate in the industrialization process. From a technical point of view, C-V2X has obvious advantages and is suitable for more complex security application scenarios, meeting low latency, high reliability and meeting bandwidth requirements, and is safer, more efficient and more comprehensive than DSRC. With the development of the 3GPP first edition C-V2X standardization specification in the previous year, the development of C-V2X technology and related ecological chain is faster. In addition to automakers, traffic management and infrastructure providers are now launching more and more C-V2X-related initiatives to equip road infrastructure (such as traffic signals, road signs, etc.) with more C-V2X-based roadsides. Units (RSUs) to add to their successful deployment. The two relatives are different. In the future, the global V2X market may have a DSRC or C-V2X technology in a big situation, or there may be DSRC and C-V2X at the same time, but the C-V2X's stamina is obviously more. China's acceleration As the world's largest auto market, China has the world's largest LTE network status and the technological advantages of C-V2X evolution. C-V2X should be the first choice for domestic V2X technology standards. Since it is a multiple choice question, China is also spared no effort at this level. In the C-V2X standard, China is making efforts to strengthen the right to speak, and in 3GPP, it has led the research on the formulation of some C-V2X standards and the subsequent evolution technology. At the 49th Plenary Session of ISO TC 204 held in April 2017, China's C-V2X standard project application was approved, and C-V2X was identified as a candidate for the ISO ITS system, and completed in September 2017. Phase C-V2X standard is released. At the level of spectrum research, at the end of 2016, the Ministry of Industry and Information Technology officially divided 5905-5925MHz for C-V2X technology test, and conducted tests and experimental verification through the Beijing-Baoding, Chongqing, Zhejiang and other vehicle networking demonstration zones. The stage has been completed. According to the "Guide to the Construction of the National Vehicle Network Industry Standard System" recently introduced, it is planned that by 2025, after the formation of the intelligent network standard system capable of supporting high-level automatic driving in China, the Radio Management Bureau of the Ministry of Industry and Information Technology will directly communicate with the Internet of Vehicles. Use the 5905-5925MHz frequency band to publicize for comments. The introduction of these measures means that our government has taken a big step forward in promoting the policies and implementation conditions of C-V2X. The industrialization level is also exerting strength. Huawei launched the prototype of the vehicle-mounted terminal supporting C-V2X in 2016, and recently released the first RSU (Roadside Unit) that supports Uu+PC5 concurrent. Another major, Datang, has done a lot of development work on the first phase of C-V2X technology, LTE-V technology, and has demonstrated the industry's first chip-scale LTE-V pre-commercial product. According to the current industrial development situation, China's C-V2X is expected to achieve scale pilot or commercial trials in 2018. Advance to automatic driving As the industry enters the world of 5G and autonomous driving, the C-V2X is also ready. The C-V2X has a clear 5G evolution path and supports forward and backward compatibility. In addition to its superior performance and cost-effectiveness, the Rel-14 C-V2X paves the way for future 5G NR-based Rel-16 C-V2X autopilot technology. Compared to the Rel-14 for basic safety communication between vehicles, the C-V2X based on the 5G new air interface provides high throughput, wideband carrier support, ultra low latency and high reliability, making the autonomous car efficient. Sharing information on roads, road conditions and the surrounding environment with other vehicles and road infrastructure. In addition, vehicles can use the 5G NR-based C-V2X to transmit intent and planned travel routes to other vehicles with greater predictability and accuracy, further optimizing the route planning for autonomous driving. Therefore, the upcoming 5G commercialization feast will make the C-V2X play an important role in the future of autonomous driving. It is important to follow up in time instead of swinging around. What are the advantages of multifunctional electric pressure cooker?
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