Navigation and Positioning System Based on GPS & CDMA

Global Positioning System (GPS) is widely used in system positioning or navigation communication, and code division multiple access (CDMA) is applied in personal communication and data transmission etc. In this paper, the data format of short message data in CDMA and the data format about GPS data stream are introduced in brief, and then a GPS and CDMA application system based on embedded Linux operating system is researched in position navigation, remote control, data transmission and personal communication. Finally the hardware design scheme and the application program flow scheme are given. All application programs are designed under embedded Qt platform and embedded Linux.