一种结合基准站卫星数据的定位方法与终端

• Format: Patent
• Language: Chinese
• Published: 26.01.2024
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

本发明公开了一种结合基准站卫星数据的定位方法与终端，获取基准站接收的卫星数据；对所述卫星数据进行PPP解算，得到解算结果数据；根据所述解算结果数据以及北斗三号系统播发的SBAS格网电离层参数和精密轨道精密钟差参数，利用非差非组合PPP观测模型，获取用户站的模糊度固定解；充分利用地基增强基准站网络的资源，以及地基增强基准站站点精确坐标已知的特点，进行PPP结算，并由结算结果结合北斗三号系统播发的格网电离层参数和精密轨道精密钟差参数，实现用户站PPP快速收敛，获取模糊度固定解，提高模糊度固定效率和定位效率，降低用户站对地基增强网络的距离依赖，实现分钟级高精度定位。 The invention discloses a positioning method and terminal combined with base station satellite data. The method comprises the following steps: acquiring satellite data received by a base station; performing PPP calculation on the satellite data to obtain calculation result data; obtaining an ambiguity fixed solution of the user station by using a non-difference and non-combination PPP observation model according to the resolving result data and an SBAS grid ionosphere parameter and a precision orbit precision clock difference parameter broadcasted by the Beidou No.3 system; pPP settlement is carried out by fully utilizing resources of a ground-based augmentation base station network and the characteristic that precise coordinates