Positioning method and device

The invention provides a positioning method and device, and the method comprises the steps: receiving a positioning observation signal, and generating positioning observation data based on the positioning observation signal; acquiring a regional differential message through a communication network, and calculating first positioning information according to the regional differential message and thepositioning observation data; obtaining a wide-area differential message through a broadcast network, and calculating second positioning information according to the wide-area differential message and the positioning observation data; judging whether the second positioning information meets the positioning requirement or not; if YES, outputting the second positioning information; and if NO, outputting the first positioning information. 本申请提供一种定位方法及装置，其中，所述方法包括：接收定位观测信号，并基于所述定位观测信号生成定位观测数据；通过通信网络获取区域差分电文，根据所述区域差分电文和所述定位观测数据，计算出第一定位信息；通过广播网络获取广域差分电文，根据所述广域差分电文和所述定位观测数据，计算出第二定位信息；判断所述第二定位信息是否满足定位需求；若是，则输出所述第二定位信息；若否，则输出