Provided are an azimuth estimation apparatus and an azimuth estimation method. The azimuth estimation apparatus includes a processor performing a plurality of operations including: acquiring acceleration values, angular velocity values, and geomagnetic val...

An example embodiment includes a method for initializing a navigation system. The method includes receiving inertial measurement data from an inertial measurement unit over time and storing the inertial measurement data in a buffer with an indication of a ...

The present disclosure relates to methods of enhancing a navigation solution about a device and a platform, wherein the mobility of the device may be constrained or unconstrained within the platform, and wherein the navigation solution is provided even in ...

It is provided a method for determining whether a velocity of an object is below a predetermined threshold value, the method comprising: measuring a plurality of accelerations (337) of the object within a time interval (m*dt) from a point in time (t) to a ...

A mobile transceiver device includes a GPS receiver module to receive GPS signals and calculate current positions. The current positions are used in a navigation module. The mobile transceiver device includes one or more local interface technologies, such ...

A navigation system is disclosed comprising a navigation device (2a) with a navigation sensor unit (3) and a magnetic field sensor unit (4), the navigation device is arranged to be moved. The navigation sensor unit (3) is arranged for providing a navigatio...

A positioning device having a movement measuring unit (15, 16) for measuring a relative positional change, and a positioning method thereof are provided. The positioning device is provided with a passing position calculation control unit (10, 20, 21) for c...

The sensor successively calculates a rolling angle, pitch angle and azimuth from the coordinate transformation matrix with the level error and azimuth error compensated. It calculates (26) azimuth error compensatory values using the GPS direction signal an...

The present invention relates to measurement of a spatial velocity vector (vx, vy, vz), i.a. in order to make determination of a geographical position possible. A proposed spatial velocity meter (200) includes an inertial measurement unit (210), a directio...