A comprehensive guide covering GPS fundamentals, receiver architecture, modules, and application solutions for engineers.
This guide introduces the basic principles of the Global Positioning System, including satellite constellations, ground control, and user receivers. It explains how GPS signals are generated, transmitted, and processed to provide position, velocity, and time information.
It then details practical implementation options for various platforms—mobile phones, PDAs, laptops, and all‑in‑one navigation devices—covering hardware choices, software options, and key design considerations such as chip selection, power, antenna, and accuracy. Supplier overviews and selection criteria are also provided. This manual is written in Chinese.
| Typical GPS receiver channel count | 12 channels |
|---|---|
| High‑end GPS chip channel count | 20 channels |
Yes, GPS signals are provided free of charge and no subscription or satellite usage fee is required.
At least four satellites are required to compute latitude, longitude, altitude, and time.