US 12,457,583 B2
Method and apparatus for small data transmission in wireless communication system
Anil Agiwal, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Dec. 28, 2022, as Appl. No. 18/147,145.
Claims priority of application No. 10-2021-0189939 (KR), filed on Dec. 28, 2021.
Prior Publication US 2023/0209504 A1, Jun. 29, 2023
Int. Cl. H04W 68/02 (2009.01)
CPC H04W 68/02 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method performed by a first base station in a mobile communication system, the method comprising:
receiving, from a second base station, a radio access network (RAN) paging message on an Xn interface, the RAN paging message including an inactive-radio network temporary identifier (I-RNTI) for a user equipment (UE) and information indicating a size of downlink (DL) data;
determining to trigger a mobile terminated small data transmission (MT-SDT) paging for the UE based on the size of the DL data; and
transmitting, to the UE, a paging message including the I-RNTI and an MT-SDT indication.