US 12,335,890 B2
Propagation delay compensation system in radio base station
Tianyang Min, Tokyo (JP)
Assigned to NTT DOCOMO, INC., Tokyo (JP)
Appl. No. 18/247,166
Filed by NTT DOCOMO, INC., Tokyo (JP)
PCT Filed Oct. 1, 2020, PCT No. PCT/JP2020/037465
§ 371(c)(1), (2) Date Mar. 29, 2023,
PCT Pub. No. WO2022/070391, PCT Pub. Date Apr. 7, 2022.
Prior Publication US 2023/0370991 A1, Nov. 16, 2023
Int. Cl. H04W 56/00 (2009.01)
CPC H04W 56/005 (2013.01) 5 Claims
OG exemplary drawing
 
1. A radio base station comprising:
a first communication node; and
at least one or more second communication nodes; wherein
the first communication node transmits a request including identification information of a terminal to the second communication node;
the second communication node returns a response including a time difference between reception and transmission of a wireless signal to the first communication node in response to the request; and
a propagation delay compensation is executed based on the response,
wherein the response further includes the identification information that uniquely identifies each terminal.