19 января 2020  |  
5:18 PM  September 27, 2019

TSU scientist develop a method for satellite navigators express launch

© РИА Томск. Павел СтефанскийTSU scientist develop a method for satellite navigators express launch

TOMSK, Sep 27 - RIA Tomsk. Scientist of Tomsk State University (TSU) developed an algorithm that accelerates the launch of satellite navigators by seven times; the proposed method can be implemented by the German company IBH-Impex, which creates its own tracking devices, the press service of the university said on Friday.

The press service explained that the project was implemented by TSU radiophysicist Evgeny Vayman. He defended his master's thesis within the framework of a student exchange program between TSU and Anhalt University of Applied Sciences (Germany). Abroad he studied satellite tracking devices.

“Modern navigation satellite systems are able to determine the location of an object in a short time and with high accuracy. According to data from 2018, the receivers of the Swiss company u-blox provide the shortest time for the first fixation during a cold start - this is the time during which the receiver can determine the first coordinates of its own location. They’re trying to reduce this time", - Vayman is quoted in the message.

© предоставлено ИХТЦ ТГУ
According to him, the main problem is that under bad conditions determining a position may take several minutes. A radiophysicist developed an algorithm to improve the performance of navigation receivers and tested it on an EVK-M8C board from u-blox. According to the results obtained during the experiment, the time of the first fixation can be reduced by 7.07 times: initially it was 3 minutes 4 seconds, it became - 26 seconds.

The algorithm is suitable for all available navigation systems: GLONASS, GPS, Galileo and others. Vayman conducted experiments at the German company IBH-Impex, which develops its own tracking devices. Already, the company is working on the implementation of methods proposed by the Tomsk scientist. In the next three months, Vayman will assist in the company and take additional measurements to improve the algorithm.

According to the press service, using the algorithm created by a Tomsk scientist to quickly launch satellite tracking devices, it is possible to improve the operation of navigators, make search for people and monitor vehicles more efficient.

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