US 12,225,598 B2
Mobile communication system, relay node, and base station
Masato Fujishiro, Yokohama (JP)
Assigned to KYOCERA Corporation, Kyoto (JP)
Filed by KYOCERA Corporation, Kyoto (JP)
Filed on Apr. 29, 2022, as Appl. No. 17/661,433.
Application 17/661,433 is a continuation of application No. 17/093,035, filed on Nov. 9, 2020, granted, now 11,350,467.
Application 17/093,035 is a continuation of application No. PCT/JP2019/018527, filed on May 9, 2019.
Claims priority of application No. 2018-090447 (JP), filed on May 9, 2018.
Prior Publication US 2022/0264665 A1, Aug. 18, 2022
Int. Cl. H04W 36/00 (2009.01); H04W 8/26 (2009.01); H04W 16/32 (2009.01); H04W 48/08 (2009.01); H04W 76/10 (2018.01); H04W 80/02 (2009.01); H04W 92/04 (2009.01)
CPC H04W 76/10 (2018.02) [H04W 8/26 (2013.01); H04W 16/32 (2013.01); H04W 36/0055 (2013.01); H04W 48/08 (2013.01); H04W 80/02 (2013.01); H04W 92/04 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A base station comprising:
a network communicator configured to transmit a handover request message for handing over a wireless communication apparatus having a RRC connection with the base station to another base station, wherein
the handover request message includes an Integrated Access and Backhaul (IAB) indication indicating that the wireless communication apparatus is an IAB node having a user equipment function and a base station function,
the IAB node has a UE function configured to perform radio communication with an upper node and a gNB function configured to perform radio communications with a lower node,
the base station comprises a transmitter configured to broadcast a System Information Block (SIB) including information indicating that the base station supports the IAB node, and
the network communicator is configured to transmit the IAB indication to an Access and Mobility Management Function (AMF) included in a core network.