SYSTEM FOR RADIO-FREQUENCY CODE LOCATION OF OBJECTS Russian patent published in 2020 - IPC G01S5/02 

FIELD: wireless communication equipment.

SUBSTANCE: invention relates to systems for stable identification of control objects movable relative to locator. In system of radio-frequency code location of objects, including at least two receivers, adapted to receive wireless signals, authentication signal from mobile device, information processing unit, according to invention, control mark installed on the monitoring object is made in the form of a self-contained device, with possibility of periodic radiation at the established frequency of the modulated signal containing a unique digital identifier, wherein the multidirectional radar antennas are configured to receive signals periodically transmitted by the control mark, without establishing a two-way radio communication session, processing unit based on previously recorded information ignores signals of all control marks whose numbers are not included in memory cells by comparing identifier in received signal with identifiers available in memory cells, when each of the received from the selected control mark hits the power level in the signature tolerances field corresponding to the given identifier and previously inserted into the locator memory cells, central microprocessor of locator makes a decision on validity of location of control object equipped with this mark on the basis of simultaneous compliance of both identifier and signature of received signal previously recorded in locator memory cells.

EFFECT: reduced power consumption of the system and possibility to control only a certain group of devices.

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