公开(公告)号：WO2011034616A3

公开(公告)日：2011-09-29

申请号：PCT/US2010002564

申请日：2010-09-19

Applicant: TRIMBLE NAVIGATION LTD ,  LEANDRO RODRIGO ,  GLOCKER MARKUS ,  SEEGER STEPHAN

Inventor： LEANDRO RODRIGO ,  GLOCKER MARKUS ,  SEEGER STEPHAN

IPC: G01S19/37 ,  G01S19/20

CPC classification number: G01S19/04 ,  G01S19/20 ,  G01S19/258 ,  G01S19/37 ,  G01S19/43

Abstract: Methods and apparatus are described for processing a set of GNSS signal data derived from code observations and carrier-phase observations at multiple receivers of GNSS signals of multiple satellites over multiple epochs, the GNSS signals having at least two carrier frequencies and a navigation message containing orbit information, comprising: obtaining precise orbit information for each satellite, determining at least one set of ambiguities per receiver, each ambiguity corresponding to one of a receiver-satellite link and a satellite-receiver-satellite link, and using at least the precise orbit information, the ambiguities and the GNSS signal data to estimate a phase-leveled clock per satellite.

Abstract translation: 描述了用于处理从多个卫星的GNSS信号的多个接收机上的代码观测和载波相位观测导出的一组GNSS信号数据的方法和装置，GNSS信号具有至少两个载波频率和包含轨道的导航消息 信息，包括：获得每个卫星的精确轨道信息，确定每个接收机至少一组模糊度，对应于卫星接收卫星链路和卫星接收机卫星链路之一的每个模糊度，以及至少使用精确的轨道信息 ，模糊度和GNSS信号数据，以估计每个卫星的相位级别的时钟。

公开(公告)号：WO2011034615A3

公开(公告)日：2011-09-29

申请号：PCT/US2010002563

申请日：2010-09-19

Applicant: TRIMBLE NAVIGATION LTD ,  LEANDRO RODRIGO

Inventor： LEANDRO RODRIGO

IPC: G01S19/37 ,  G01S19/20

CPC classification number: G01S19/04 ,  G01S19/20 ,  G01S19/258 ,  G01S19/37 ,  G01S19/43

Abstract: Methods and apparatus are described for processing a set of GNSS signal data derived from signals of a set of satellites having carriers observed at a rover antenna, wherein the data includes a carrier observation and a code observation of each carrier of each satellite, comprising: obtaining for each satellite clock corrections comprising at least two of: (i) a code-leveled satellite clock, (ii) a phase-leveled satellite clock, and (iii) a satellite clock bias representing a difference between a code-leveled satellite clock and a phase-leveled satellite clock, running a first filter which uses at least the GNSS signal data and the satellite clock corrections to estimate values for parameters comprising at least one carrier ambiguity for each satellite, and a covariance matrix of the carrier ambiguities, determining from each carrier ambiguity an integer-nature carrier ambiguity comprising one of: an integer value, and a combination of integer candidates, inserting the integer-nature carrier ambiguities as pseudo-observations into a second filter, and applying the second filter to the GNSS signal data and the satellite clock corrections to obtain estimated values for parameters comprising at least the position of the receiver.

Abstract translation: 描述了用于处理从在漫游器天线处观察到的载波的卫星组的信号导出的一组GNSS信号数据的方法和装置，其中所述数据包括每个卫星的每个载波的载波观察和码观测，包括：获得 对于每个卫星时钟校正，包括以下中的至少两个：（i）代码级的卫星时钟，（ii）相位级的卫星时钟，以及（iii）表示代码级的卫星时钟与 运行第一滤波器的相位级的卫星时钟，其使用至少GNSS信号数据和卫星时钟校正来估计包括每个卫星的至少一个载波模糊度的参数的值，以及载波模糊度的协方差矩阵，从 每个载波模糊度包括以下之一的整数特性载波模糊度：整数值和整数候选的组合，插入整数特征c 作为对第二滤波器的伪观察的视差模糊度，以及将第二滤波器应用于GNSS信号数据和卫星时钟校正，以获得至少包括接收机位置的参数的估计值。

公开(公告)号：WO2011034614A3

公开(公告)日：2011-09-29

申请号：PCT/US2010002562

申请日：2010-09-19

Applicant: TRIMBLE NAVIGATION LTD ,  VOLLATH ULRICH ,  CHEN XIAOMING ,  LEANDRO RODRIGO

Inventor： VOLLATH ULRICH ,  CHEN XIAOMING ,  LEANDRO RODRIGO

IPC: G01S19/12 ,  G01S19/24

CPC classification number: G01S19/04 ,  G01S19/20 ,  G01S19/258 ,  G01S19/37 ,  G01S19/43

Abstract: Methods and apparatus are described for determining position of a rover antenna, comprising: obtaining rover GNSS data derived from code observations and carrier phase observations of GNSS signals of multiple satellites over multiple epochs, obtaining precise satellite data for the satellites, determining a virtual base station location, generating epochs of synthesized base station data using at least the precise satellite data and the virtual base station location, and applying a differential process to at least the rover GNSS data and the synthesized base station data to determine at least rover antenna positions.

Abstract translation: 描述了用于确定流动站天线的位置的方法和装置，包括：从多个时代的多个卫星的GNSS信号的代码观测和载波相位观测获得的漫游器GNSS数据，获得卫星的精确卫星数据，确定虚拟基站 位置，使用至少精确的卫星数据和虚拟基站位置来生成合成基站数据的时期，以及至少对流动站GNSS数据和合成的基站数据应用差分过程以至少确定漫游者天线位置。