Application and Development of In-Vehicle Digital Communication Technology

In-vehicle digital communication technology plays a crucial role in the modern automotive industry by supporting real-time data interaction between vehicles and the external environment, which enhances driving safety, efficiency and user experience. This article discusses the fundamentals of in-vehicle digital communication technologies, key technologies (e.g., CAN bus, Ethernet, V2X, 5G/6G, Bluetooth, NFC, and UWB), and their applications in current and future self-driving vehicles. The article analyzes how the technologies are implemented, the challenges they face, and the future direction of development.