US 12,232,204 B2
Method of small data transmission and related device
Hsin-Hsi Tsai, Taipei (TW)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
Filed on May 6, 2022, as Appl. No. 17/738,492.
Claims priority of provisional application 63/185,935, filed on May 7, 2021.
Prior Publication US 2022/0361278 A1, Nov. 10, 2022
Int. Cl. H04W 76/27 (2018.01); H04W 72/21 (2023.01); H04W 74/0833 (2024.01)
CPC H04W 76/27 (2018.02) [H04W 72/21 (2023.01); H04W 74/0833 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for a user equipment (UE) to perform small data transmission (SDT), the method comprising:
receiving, from a base station (BS), system information that includes an SDT configuration, the SDT configuration including an SDT-specific timer;
initiating an SDT procedure when the UE is in a radio resource control (RRC) inactive (RRC_INACTIVE) state;
triggering a Buffer Status Report (BSR) during the SDT procedure;
starting or restarting the SDT-specific timer in response to triggering the BSR; and
determining whether to trigger a scheduling request (SR) based on whether the SDT-specific timer is running after triggering the BSR.