GPS Pseudo-range Base on Relative Positioning

Today's GPS positioning technology has been widely used in various fields and brought great convenience for the people's production and daily life. GPS positioning technology can be divided into the positing technology based on pseudo-range and the carrier phase-based positioning technology, both have advantages and disadvantages. Among them, the carrier phase-based positioning technology despite has the high positioning accuracy, but it requires the higher GPS hardware, but also it has the integer ambiguity of the issue. So, this paper will focus on discussion based on pseudo-range single-poor relative positioning technology, avoid the integer ambiguity of the issue in the case of low accuracy and also meet the requirements of the real-time. The result can also be used to subsequent processing.