A method of enhancing the accuracy of a navigation system which includes a GNSS receiver. The method includes receiving navigation signals from at least one GNSS constellation and a LEO constellation. Position estimates will be made through implementation of a filter using successive readings of pseudoranges and carrier-phase measurements from the GNSS constellation and carrier-phase measurements from the LEO constellation.

A microservice node can include a network real-time kinematics (RTK) device to receive raw satellite data associated with a physical reference station via a first message in a first message queue, to receive static virtual location data associated with a static virtual reference station (VRS) agent, to generate corrections data for the static VRS agent based on the raw satellite data and the static virtual location data, and to transmit the corrections data to the static VRS agent. The microservice node can include the static VRS agent to publish the corrections data in a second message in a second message queue. The microservice node can include an adapter device to determine that the client device is located within a geographic area associated with the static VRS agent and to transmit the corrections data from the second message queue to the client device.

A precise point position and real-time kinematic (PPP-RTK) positioning method, including: when direct emission signals broadcast by a multi-system navigation satellite and a low-earth-orbit constellation are detected, determining raw observation data (S11); receiving navigation satellite augmentation information broadcast by the low-earth-orbit constellation, and a low-earth-orbit satellite precise orbit and precise clock difference (S12); using the navigation satellite augmentation information, the low-earth-orbit satellite precise orbit and precise clock difference and the raw observation data for precise point positioning (S13); or when comprehensive ground-based augmentation error correction information is received, using the navigation satellite augmentation information, the low-earth-orbit satellite precise orbit and precise clock difference, the raw observation data and the comprehensive ground-based augmentation error correction information for precise point positioning of ground-based augmentation (S13′). The present application further relates to a precise point position and real-time kinematic (PPP-RTK) positioning device, a computer-readable storage medium and a processor.

The invention relates to providing atmospheric correction data in a GNSS network-RTK system for correcting GNSS data, wherein a base triangulation that encloses at least part of the reference stations of the GNSS network-RTK system is subdivided into child triangles by means of a recursive division of parent triangles into four child triangles, synthetic data are determined for each of the child triangles based on a triangulation algorithm applied to basic data of the reference stations such that the synthetic data represent a gridded representation of the basic data, and access to correction data is provided, wherein the correction data comprise at least part of the synthetic data arranged in a quad-tree hierarchy.

A navigation system includes: a communication circuit configured to: receive a base station data including an actual location and a satellite provided reference location from a base station, and transfer the base station data to an artificial intelligence (AI) correction calculator, already trained; a control circuit, coupled to the communication circuit, configured to: transfer a pseudorange, of a satellite, from the AI correction calculator; calculate a real-time kinematics (RTK) correction based on the pseudorange; and enable the communication circuit to transmit the RTK correction by an over the air (OTA) communication to the base station including the base station transferring the RTK correction to a device for correcting the satellite provided reference location to a real-world location and displaying on the device.

Selective broadcast of corrective vehicle positioning information using a hyper-precise-positioning (HPP) proxy is presented herein. A system can obtain satellite navigation correction data; assign respective portions of the satellite navigation correction data to defined geographical regions to facilitate respective point-to-multipoint wireless broadcasts of the respective portions of the satellite navigation correction data to respective vehicles that have been determined to be located within the defined geographical regions; and distribute, via respective signaling planes, broadcast requests comprising the respective portions of the satellite navigation correction data to respective wireless access point devices to facilitate the respective point-to-multipoint wireless broadcasts of the respective portions of the satellite navigation correction data—such satellite navigation correction data facilitating correction of satellite navigation data that has been received by the respective vehicles.

A base station determination method includes: acquiring differential positioning information of at least one base station; according to a received satellite positioning signal and at least one group of differential positioning information, respectively calculating a calculation position of a roadside device corresponding to the at least one group of differential positioning information; and determining a target base station from the at least one base station according to the calculation position of the roadside device and the actual position of the roadside device. The target base station is a base station that corresponds to differential positioning information corresponding to a calculation position, the distance between which and the actual position is the least.

A position locating system for locating a current position of a mobile terminal includes an imaging section, an image acquisition section, a matching section, and a position locating section. The imaging section is configured to capture a surroundings image of surroundings of the mobile terminal using a camera provided at the mobile terminal. The image acquisition section is configured to acquire over a network images similar to the surroundings image and associated with position information regarding an imaging location. The matching section is configured to perform image matching between the surroundings image and the images acquired by the image acquisition section so as to find a single image that is a match for the surroundings image. The position locating section is configured to locate the current position of the mobile terminal from the position information associated with the single image.

A monitor unit (25) monitors positioning augmentation information for correction of satellite positioning errors, the positioning augmentation information being generated by an augmentation information generation device with use of a specified parameter value being a parameter value which is specified. In a case where an abnormality is detected in the positioning augmentation information by the monitor unit (25), a selection unit (26) selects a reserve parameter value that is to substitute for the specified parameter value, from among a plurality of reserve parameter values being a plurality of parameter values that are different from the specified parameter value and commands the augmentation information generation device to use the selected reserve parameter value as a new specified parameter value.

In a position correction information delivery system using a positioning scheme in which a receiver and a reference station measure a phase of a carrier wave from a satellite and position information of the receiver is obtained in real time based on position correction information transmitted from the reference station, the receiver transmits a request for position correction information to a first base station managing a cell that the receiver camps on, on reception of the request from the receiver, the first base station selects a nearby second base station having a reference station or a nearby reference station from those registered in a database, receives the position correction information from the selected second base station or reference station, and broadcasts the position correction information to the cell.