Alexandr Vladimirovich Doronin

Title: Innovator Alexandr Vladimirovich Doronin: Pioneering GNSS Technologies

Introduction

Alexandr Vladimirovich Doronin is a notable inventor based in Moscow, Russia. He has made significant contributions to the field of Global Navigation Satellite Systems (GNSS) with a total of 6 patents to his name. His work focuses on enhancing vehicle orientation and timing synchronization through advanced GNSS technologies.

Latest Patents

Doronin's latest patents include a GNSS-based attitude determination algorithm and a triple-antenna GNSS receiver for its implementation. The first patent addresses determining vehicle orientation based on GNSS signals received by three antennas that are logically combined into two pairs, with one antenna common for both pairs. This innovative approach allows for the measurement of the first carrier phase difference within each pair of antennas, which is represented as the sum of an integer number of periods of the carrier frequency and a fractional part of the period. The fractional parts are utilized to compute the orientation of the vector connecting the antennas' phase centers within each pair, effectively excluding integer ambiguity resolution. The vehicle's attitude is calculated from the orientation of two non-collinear vectors with a common origin, measured by two pairs of antennas, each equipped with an RF front end.

The second patent involves a GNSS timing receiver that synchronizes raw GNSS measurements to an external timescale. This synchronization is achieved through a hardware Time Interval Measurement Unit (TIMU), which measures time intervals between two pulse signals and processes these measurements. The first pulse signal is generated inside the GNSS receiver, while the second pulse signal is produced by an external time reference device. This innovative method ensures that the output GNSS measurements are accurately timed, enhancing the reliability of GNSS data.

Career Highlights

Doronin is currently employed at Topcon Positioning Systems, Inc., where he continues to develop cutting-edge GNSS technologies. His expertise in this field has positioned him as a key player in advancing navigation systems.

Collaborations

Some of his notable coworkers include Sergey Ivanovich Tychinskiy and Nikolay Nikolaevich Vasilyuk, who contribute to the innovative environment at Topcon Positioning Systems, Inc.

Conclusion

Alexandr Vladimirovich Doronin's contributions to GNSS technology exemplify his commitment to innovation and excellence in the field. His