US 12,468,009 B2
Indoor positioning system and indoor positioning method
Mei-Yan Huang, Nanning (CN); and Neng-Qian Yang, Nanning (CN)
Assigned to Nanning FuLian FuGui Precision Industrial Co., Ltd., Nanning (CN)
Filed by Nanning FuLian FuGui Precision Industrial Co., Ltd., Nanning (CN)
Filed on Apr. 28, 2023, as Appl. No. 18/141,192.
Claims priority of application No. 202310153032.4 (CN), filed on Feb. 22, 2023.
Prior Publication US 2024/0280662 A1, Aug. 22, 2024
Int. Cl. G01S 5/06 (2006.01); G01S 5/00 (2006.01); H04W 76/10 (2018.01)
CPC G01S 5/06 (2013.01) [G01S 5/0081 (2013.01); H04W 76/10 (2018.02); G01S 2205/02 (2020.05)] 10 Claims
OG exemplary drawing
 
1. An indoor positioning system comprising:
a wireless network device configured to receive a positioning request initiated by a positioning tag, send a handshake communication request, and send position coordinate information of the positioning tag to a control platform;
a positioning headend configured to establish a communication connection with the wireless network device and the positioning tag according to the handshake communication request, collect radio wave signals sent by the positioning tag, and calculate phase information of the positioning tag according to the radio wave signals; and
a positioning unit configured to calculate the position coordinate information of the positioning tag according to the phase information.