"The C-V2X"New Four Spans"and Large-scale Pilot Plugfest 2020 Smart Networks will be launched on October 27-29 at the same time as the annual meeting and exhibition of China Automotive Engineering Society (SAECCE2020) in Shanghai International Automotive City, Shanghai Automotive Expo Park and the surrounding open test road.

In this "New Four Spans" activity, SiRun provided stable and efficient on-board smart terminal devices, verified the technological breakthrough of multi-module adapting, and fully supported the smooth development of "New Four Spans".

At the beginning of the "New Four Spans" activity, China Communications and Communications Institute carried out C-V2X network layer, message layer and security layer agreement consistency tests for all products participating in this activity, with the purpose of verifying the standard compliance of products from each manufacturer and ensuring that products from each manufacturer can be interconnected according to the standard agreement. In this consistency test, SiRun provided C-V2X equipment to help this consistency test complete smoothly and reliably.

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2020 New Four-Span Application Demonstration

On the basis of the new four-span in 2020 and the four-span in 2019, deploy more practical application scenarios (Fig. 1), add high-precision maps and high-precision positioning, and combine with the domestic cipher algorithm, use the deflection-to-encryption form of information related to car-side and roadside broadcast locations (Fig. 2) to explore the technical solutions to the mapping and positioning regulation problems faced by C-V2X. At the same time, the new digital certificate format will be used to add new elements such as cloud control platform, V2X information demonstration and location situation demonstration platform, to carry out C-V2X real-time vehicle validation test and public-facing application experience.

（P1 / New Four Spans demonstrates road segments and scenarios）

（P2/ "High Precision Map Positioning Flowchart）

CA Platform Cross-domain Mutual Recognition Mechanism and Abnormal Behavior Management Platform

C-V2X Security Authentication Mechanism across Trust Domains

The CA platform of this event is based on the new YD/T standard "Technical Requirements for LTE-based Communications Technology Security Certificate Management System for Vehicle Networking", which is also the first large-scale demonstration and verification of this standard. Through the establishment and access of cross-manufacturer CA subsystems, as well as trust and communication with other root CA's V2X security certification platform, it lays the information security foundation for the demonstration of active vehicles, roadside devices and corresponding application scenarios.

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SiRun & New Four Spans

SiRun will participate in this event with more than 40 domestic and foreign vehicle enterprises, more than 40 terminal enterprises, more than 10 chip module enterprises, more than 20 information security enterprises, 5 map vendors and 5 location service providers.

As the leading unit of the "New Four Spans" consortium, SiRun will form a "chip module + terminal + vehicle + CA platform" test team with Chenxin Technology - Datang Mobile - Xincheng Great Wall - Yitutong - Great Wall Automobile - Qianzhong Location - Austrian Union to complete the demonstration of V2V, V2I and security mechanism verification scenarios.

（New Four Cross-Public Trial）

This trial ride will enable the public to fully experience the application scenario of "smart car" and "smart road" vehicle networking through professional explanations and hands-on experience, experience the role of car-road dialogue mechanism, and vehicle-road cooperation in improving traffic safety and efficiency, and further understand the future direction of vehicle networking development.

The demonstration fleet of "SiRun-CHENXIN TECHNOLOGY-DATANG MOVEMENT-XINWANG-YITUTONG-GREAT WALL CAR-KINGHAI LOCATION-OLIAN" will participate in the application demonstration all the way. Under the guarantee of multi-level security mechanism, the first-time personal experience will let the general public further understand the key technologies and application innovations used in the smart networked vehicle landing.

Activity information:

Activity Time

October 27-29

Activity Location

No. 7575 Boyuan Road, Jiading District, Shanghai Automotive Exhibition Center

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