A method of terrain-based localization of a vehicle is provided. The method may include determining the vehicle is within a threshold distance of a road segment end point and comparing a measured road profile to a reference road profile associated with the road segment. A method of identifying a…
Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) determines a validated heading of the UE, wherein the validated heading is determined based on at least navigational map data stored in a memory of the UE, and determines a dead reckoning position estimate of the…
In some examples, an aerial vehicle may determine, based on sensor information received from at least one onboard sensor, that an amount of light fails to satisfy a light threshold. Based at least in part on determining that the amount of light fails to satisfy the light threshold, the aerial…
A calibration of an unmanned aerial vehicle is performed without the use of a magnetometer. The unmanned aerial vehicle generates a first acceleration vector in a navigation frame of reference and a second acceleration vector in a GPS frame of reference. The unmanned aerial vehicle estimates a…
In some examples, an unmanned aerial vehicle (UAV) may determine a first acceleration of the UAV based at least on information from an onboard accelerometer received at least one of prior to or during takeoff. The UAV may determine a second acceleration of the UAV based at least on location…
The present invention relates to a system () configured to select a portion of a virtual scenario (S,S) during the movement of a vehicle (V) within a geographical area of interest (A). Said system () is capable of obtaining information associated with the vehicle (V) regarding the position, the…
A positioning method includes: acquiring the credibility of each positioning subsystem in different states and generating a credibility data table; acquiring the real-time credibility from the corresponding credibility data table according to real-time positioning data of each positioning…
A position determining arrangement for a vehicle includes: a receiving device, in particular an antenna, designed to receive a navigation satellite signal from a navigation satellite; a processing device designed to provide a first signal depending on the received navigation satellite signal, the…
According to various embodiments, an electronic device may include a communication circuit, an acceleration sensor, and at least one processor, and the at least one processor may be configured to identify a first movement speed of the electronic device by using the communication circuit, identify a…
In some examples, an unmanned aerial vehicle (UAV) may receive location information via the global navigation satellite system (GNSS) receiver and may receive acceleration information via an onboard accelerometer. The UAV may determine a first measurement of acceleration of the UAV in a navigation…
A method of terrain-based localization of a vehicle is provided. The method may include determining the vehicle is within a threshold distance of a road segment end point and comparing a measured road profile to a reference road profile associated with the road segment. A method of identifying a…
Systems and methods for estimating attitude and heading are provided. The systems and methods utilize carrier phase single difference (CSD) measurements or carrier phase double difference (CDD) measurements and a validation test for CSD or CDD measurement residuals. The systems and methods include…
Techniques provided herein are directed toward virtually extending an updated set of output positions of a mobile device determined by a VIO by combining a current set of VIO output positions with one or more previous sets of VIO output positions in such a way that ensure all outputs positions…
A vehicle includes receiving signals from a plurality of satellites; obtaining position information based on the received signal; detecting a driving speed and yaw rate; obtaining dead reckoning information based on position information about a position of a vehicle recognized in a previous cycle…
A survey system configured to perform a calibration that eliminates, or at least significantly reduces, mechanical misalignment issues with the receiver or top unit (e.g., a GNSS receiver or the like), the mounting hardware, and the survey pole of the survey system. The survey system may include a…
In certain embodiments, a mobile device includes a sensor, one or more processors, and a memory. The memory stores computer-executable instructions that, when executed by the one or more processors, cause the one or more processors to perform operations including determining a first geographic…
A network system, such as a transport management system, infers movement and a location of a vehicle associated with a transportation service using sensor data from a provider client device and a wireless device mounted in a fixed position in the vehicle. Before or during a transportation service…