Baidu Maps Tech Team

Apr 22, 2026 · Industry Insights

How Beidou’s PPP‑RTK Transforms Global Centimeter‑Level Positioning

This article dissects Beidou’s star‑ground integrated PPP‑RTK system, comparing it with traditional RTK, detailing core technologies such as precise orbit/clock products, multi‑frequency bias correction, atmospheric modeling, trustworthy positioning, lightweight networking, and smart‑terminal phase solutions that together enable worldwide centimeter‑level navigation.