US 12,035,333 B2
Distributed unit, radio terminal, and methods therefor
Sadafuku Hayashi, Tokyo (JP); and Hisashi Futaki, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/273,768
Filed by NEC Corporation, Tokyo (JP)
PCT Filed May 31, 2019, PCT No. PCT/JP2019/021720
§ 371(c)(1), (2) Date Mar. 5, 2021,
PCT Pub. No. WO2020/049812, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 2018-168059 (JP), filed on Sep. 7, 2018.
Prior Publication US 2021/0352621 A1, Nov. 11, 2021
Int. Cl. H04W 72/04 (2023.01); H04W 4/90 (2018.01); H04W 12/03 (2021.01); H04W 72/0453 (2023.01); H04W 72/23 (2023.01); H04W 72/30 (2023.01)
CPC H04W 72/30 (2023.01) [H04W 4/90 (2018.02); H04W 12/03 (2021.01); H04W 72/0453 (2013.01); H04W 72/23 (2023.01)] 17 Claims
OG exemplary drawing
 
1. A distributed unit of a base station, the distributed unit comprising:
at least one memory; and
at least one processor coupled to the at least one memory and configured to:
in response to receiving from a central unit of the base station a signaling message requesting a broadcast of specific system information, change an active downlink Bandwidth Part (BWP) of a plurality of radio terminals from a first downlink BWP that is not configured with a search space for receiving the specific system information to a second downlink BWP that is configured with a search space for receiving the specific system information; and
broadcast the specific system information on the second downlink BWP in response to receiving the signaling message.