US 12,452,873 B2
Method and device for transmission and reception based on non-approval in wireless communication system
Taehyoung Kim, Suwon-si (KR); Jinkyu Kang, Suwon-si (KR); Youngbum Kim, Suwon-si (KR); Sungjin Park, Suwon-si (KR); Jinyoung Oh, Suwon-si (KR); and Seunghoon Choi, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/796,062
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Jan. 22, 2021, PCT No. PCT/KR2021/000909
§ 371(c)(1), (2) Date Jul. 28, 2022,
PCT Pub. No. WO2021/153951, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 10-2020-0012235 (KR), filed on Jan. 31, 2020.
Prior Publication US 2023/0081792 A1, Mar. 16, 2023
Int. Cl. H04W 72/23 (2023.01); H04L 1/1829 (2023.01); H04W 68/00 (2009.01); H04W 72/11 (2023.01); H04W 72/1273 (2023.01)
CPC H04W 72/23 (2023.01) [H04L 1/1864 (2013.01); H04W 68/005 (2013.01); H04W 72/11 (2023.01); H04W 72/1273 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A grant-free reception method performed by a terminal in a mobile communication system, the grant-free reception method comprising:
receiving, from a base station, configuration information related to downlink semi-persistent scheduling (SPS) and configuration information related to a data indication signal (DIS), wherein the DIS is a sequence and the configuration information related to the DIS includes an identity (ID) required to create the sequence;
receiving, from the base station, downlink SPS activation indication information;
in response to the downlink SPS activation indication information, monitoring the DIS based on the ID included in the configuration information related to the DIS; and
when the DIS is detected or monitoring indication information for a downlink data channel is obtained from the detected DIS, monitoring the downlink data channel based on the configuration information related to the downlink SPS.