技术标准知识库、SAE / ETSI 一致性测试矩阵与协议规范

V2XSpec 维护权威网联汽车标准知识库，收录 SAE J2735/J2945、ETSI EN 302 637、IEEE 1609 及 3GPP 版本，并提供自动化 ASN.1 语法校验器。

V2XSpec Interactive Standards Knowledge Graph V2X Architecture

Central Controller: SAE Standards (J2735 / J2945) — Application layer message definitions & minimum performance

V2XSpec 维护权威网联汽车标准知识库，收录 SAE J2735/J2945、ETSI EN 302 637、IEEE 1609 及 3GPP 版本，并提供自动化 ASN.1 语法校验器。

SAE J2735 Dedicated Short-Range Message Dictionary — Comprehensive reference of data frames, elements, and UPER encoding rules for BSM, SPaT, MAP, EVA, and TIM messages.
ETSI ITS Facilities & Applications Layer — Structural breakdown of Cooperative Awareness Messages (CAM) and Decentralized Environmental Notifications (DENM).
Automated ASN.1 Semantic Diffing — Continuous integration tooling detecting breaking binary changes across evolving standard drafts and OEM revisions.

AutomotiveV2X — Connected Vehicle-to-Everything & Cooperative ITS Architecture
CellularV2X — 3GPP C-V2X Architecture, PC5 Direct Sidelink & Cellular Uu Infrastructure
NRV2X — 5G NR V2X Sidelink, Sub-Millisecond Latency & High-Rate Sensor Sharing
ISACV2X — Integrated Sensing and Communication (ISAC) for Automotive V2X