US 12,035,368 B2
Base station, terminal device, method, and apparatus
Naoki Kusashima, Tokyo (JP); Hiromasa Uchiyama, Tokyo (JP); Hiroki Matsuda, Tokyo (JP); and Yifu Tang, Tokyo (JP)
Assigned to SONY GROUP CORPORATION, Tokyo (JP)
Appl. No. 17/287,984
Filed by SONY GROUP CORPORATION, Tokyo (JP)
PCT Filed Oct. 21, 2019, PCT No. PCT/JP2019/041334
§ 371(c)(1), (2) Date Apr. 22, 2021,
PCT Pub. No. WO2020/090548, PCT Pub. Date May 7, 2020.
Claims priority of application No. 2018-206703 (JP), filed on Nov. 1, 2018.
Prior Publication US 2021/0378012 A1, Dec. 2, 2021
Int. Cl. H04W 74/0816 (2024.01); H04W 74/08 (2024.01)
CPC H04W 74/0816 (2013.01) [H04W 74/0866 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A first base station, comprising:
a control unit configured to notify a terminal device of setting information that indicates both:
information regarding a channel access scheme, and
information regarding a setting for channel sense, wherein
the information regarding the setting for the channel sense indicates information regarding a frame period in the channel access scheme, and
the setting information allows the terminal device to use, as the channel access scheme, at least one of:
a first channel access scheme in which the terminal device executes the channel sense at a first timing, or
a second channel access scheme in which the terminal device executes the channel sense at a second timing,
wherein the setting information includes information indicating establishment of synchronization between the first base station and a second base station.