US 12,287,420 B2
Control device, system, and control method
Yoshiki Oishi, Aichi (JP); Kenichi Koga, Aichi (JP); Tatsuya Koike, Aichi (JP); Satoshi Mori, Aichi (JP); and Kento Kataoka, Aichi (JP)
Assigned to KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi (JP)
Filed by KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi (JP)
Filed on Jun. 17, 2022, as Appl. No. 17/843,317.
Claims priority of application No. 2021-143140 (JP), filed on Sep. 2, 2021.
Prior Publication US 2023/0067707 A1, Mar. 2, 2023
Int. Cl. G01S 5/02 (2010.01)
CPC G01S 5/0244 (2020.05) [G01S 5/0226 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A control device comprising:
a control unit that performs control for estimating a positional relationship between a communication device having three or more antennas and another communication device on the basis of a signal transmitted and received between the communication device and the other communication device, wherein
the control unit applies a weight parameter based on a reliability parameter that is an index indicating a degree of whether or not a signal is appropriate as a processing target for estimating a positional relationship between a plurality of communication devices and the other communication device calculated on the basis of a signal received from the other communication device by each of the plurality of communication devices to a provisional positional relationship between the plurality of communication devices and the other communication device estimated on the basis of the signals transmitted and received between the plurality of communication devices and the other communication device, and performs control for estimating the positional relationship between the communication device and the other communication device,
the three or more antennas included in the communication device are four or more antennas, and
the control unit applies the weight parameter to the provisional positional relationship estimated on the basis of signals transmitted and received by the three or more antennas and appropriate as processing targets for estimating the positional relationship based on the reliability parameter among the four or more antennas, and performs control for estimating the positional relationship between the communication device and the other communication device.