US 12,443,809 B2
Positioning method, apparatus, and system
Yuan Li, Shenzhen (CN); and Renhui Sun, Dongguan (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Feb. 28, 2024, as Appl. No. 18/590,467.
Application 18/590,467 is a continuation of application No. PCT/CN2022/115959, filed on Aug. 30, 2022.
Claims priority of application No. 202111015824.2 (CN), filed on Aug. 31, 2021.
Prior Publication US 2024/0202474 A1, Jun. 20, 2024
Int. Cl. G06K 7/10 (2006.01)
CPC G06K 7/10366 (2013.01) [G06K 7/10316 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A positioning apparatus, comprising:
a receiving processing circuit;
a processor;
an antenna selection circuit, coupled to the processor through the receiving processing circuit, wherein the antenna selection circuit is configured to be coupled to an antenna array, the antenna array comprises M*N antenna elements, M and N are integers greater than or equal to 1, and M and N do not both equal 1;
the antenna selection circuit is configured to select different combinations of antenna elements from the antenna array, each combination of antenna elements comprises L antenna elements, and L is a positive integer less than or equal to M*N;
the processor is configured to control the antenna selection circuit to select a combination of antenna elements from the antenna array;
the receiving processing circuit is configured to: receive an answer signal from a tag through L antenna elements selected by the antenna selection circuit, and process the answer signal; and
the processor is further configured to position the tag based on data processed by the receiving processing circuit.