V2X technology with the "car to the outside" information exchange as the main function is becoming a new bright spot of the Internet of Vehicles. It is a new application to promote the establishment of automotive networks after information entertainment. According to market research institute IHS report, it will be widely used by 2017. In 2017, the global sales of workshop communication system products will reach 700,000 sets. In 2020, the number will increase to 5.6 million sets, and by 2025, it will exceed 5500. Million sets, the main market for these workshop communication system products. If the initial application of the Internet of Vehicles is mainly focused on security theft, car amplifier, and infotainment, then as people pay more attention to driving safety, the future car will form a fast communication for various objects and assist people in safe driving. It will be rapidly developed and become a new driving force for the promotion of in-vehicle networks. Currently, semiconductor manufacturers including STMicroelectronics, NXP, and Broadcom are optimistic about this market and launch related solutions. So how to understand V2X? That is, the exchange of information between the car and the outside world. V2X is the key technology of the future intelligent transportation system, which enables communication between vehicles and vehicles, vehicles and base stations, base stations and base stations. Thereby obtaining a series of traffic information such as real-time road conditions, road information, pedestrian information, etc., improving driving safety, reducing congestion, improving traffic efficiency, and providing in-vehicle entertainment information. NirSasson, CEO of V2X chip supplier Autotalks, said that the "Vehicle-to-Car (V2V)" information exchange technology and the "Car-to-Infrastructure (V2I)" technology are collectively referred to as V2X technology, that is, the "car-to-outside" information exchange is a vehicle object. Part of networking technology. Through the cooperation of the wireless communication network and the sensing technology, the information extraction and effective utilization of the vehicle, the road, the workshop, the vehicle, the vehicle and the like are realized on the information platform. On this basis, comprehensive services such as transportation, security, management and entertainment can be provided. This is an important part and development direction of the future car networking. "V2X technology is based on the IEEE802.11p standard, enabling V2X technology to communicate with each other and to communicate with the surrounding intelligent transportation infrastructure. V2X technology platform," said Ferman, senior vice president of NXP's global automotive products market. Really “see†every corner to detect traffic jams or traffic risks before the naked eye notices. Therefore, the driver can receive warning messages from the car even when blocked by the truck or close to the corner. Other applications include Alerts to emergency vehicles and traffic jams or traffic lights to allow drivers to adjust speed and optimize driving operations." "There are some mainstream automakers that have announced that they will install V2X modules in future models. We firmly believe that V2X technology will be an important component of the Internet of Vehicles," said Mo Lili, director of APG Markets and Applications at STMicroelectronics Greater China and South Asia. Even playing an important role in autonomous driving. About our cooperation with Autotalks, ST is a semiconductor supplier with core semiconductor technology in the automotive electronics field, especially in semiconductor manufacturing and quality control. Autotalks is more focused on V2X. In part, we have patents and technologies in chip design and overall solutions. Our strong cooperation will have a very big push for the launch of next-generation V2X chips. We will also introduce some V2X solutions for the entire mass market. †Broadcom has also begun to focus on the automotive market, covering different technologies such as Ethernet, Wi-Fi, and low-power Bluetooth. Zhou Tongyi, vice president and general manager of Greater China for Broadband and Wireless Connectivity, said: "The Broadcom 5G WiFi and Bluetooth Smart combo chip provides innovative communication applications between V2X." How to seize the car network business opportunities? Huawei and Qualcomm two major cellular technology providers have proposed a new LTE standard, LTE V2X, to attack the V2V and V2I business opportunities collectively known as "V2X"; It has been developed and tested with the current automotive technology suppliers for more than ten years, and it is also a dedicated Dedicated Short-Range CommunicaTIons (DSRC) for V2X applications. The DSRC is an IEEE 802.11p-based standard that uses proprietary radio frequencies—the 75MHz spectrum in the 5.9GHz band—which was assigned to the Intelligent Transportation System (ITS) by the Federal Communications Commission (FCC) in 1999. . At the same time, LTE V2X supporters are based on LTE cellular networks as the basis for V2X; they claim that the LTE-Direct (LTE-D), or LTE D2D (Device-to-Device) technology, Can provide a good foundation for LTE V2X. It is understood that LTE-D has the ability to find thousands of devices and services within 500 meters, so that two or more closest LTE-D devices can communicate within the network. Standard long-term development has led DSRC camps to compete with other vendors that are vying for a place in the automotive industry with emerging 5G cellular standards. The cellular industry expects 5G to provide native support for automotive communications. . According to EE TImes's recent exchanges with a number of automotive technology suppliers during the ITS World Congress in Bordeaux, France, most of them launched V2X communication at the last minute for Huawei and Qualcomm. The practice of alternative technology is clearly not very satisfactory. Lars Reger, technical director of NXP's semi-auto business unit, believes that DSRC has gone a long way, passing a series of field tests over the past few years and preparing to enter new connected cars; he pointed out that LTE V2X is still in development, expected The completion of the new standards and the timing of adoption and acceptance of the automotive industry will be significantly delayed.
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