公开(公告)号：US11516085B2

公开(公告)日：2022-11-29

申请号：US17151550

申请日：2021-01-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung Ri Jin ,  Soeng Hun Kim ,  Dong Gun Kim ,  Jae Hyuk Jang ,  Alexander Sayenko

IPC: H04W36/00 ,  H04W72/04 ,  H04W36/14 ,  H04W48/20 ,  H04W48/18 ,  H04L41/0896 ,  H04W74/08 ,  H04W76/27 ,  H04W36/04 ,  H04W36/30 ,  H04W36/12 ,  H04W8/04 ,  H04L1/00 ,  H04L43/0823 ,  H04W56/00 ,  H04L5/00 ,  H04L69/326 ,  H04L69/324 ,  H04W92/02

Abstract: A method of UE includes receiving a radio resource control (RRC) message for configuring bandwidth parts (BWPs) of a serving cell, receiving a physical downlink control channel (PDCCH) indicating activation of a first BWP, performing a BWP switching to the first BWP indicated by the PDCCH, and starting a first downlink BWP timer associated with the first BWP. A UE includes a transceiver, and at least one controller coupled with the transceiver, the at least one controller configured to receive an RRC message for configuring BWPs of a serving cell, receive a PDCCH indicating activation of a first BWP, perform a BWP switching to the first BWP indicated by the PDCCH, and start a first downlink BWP timer associated with the first BWP.

公开(公告)号：US11457381B2

公开(公告)日：2022-09-27

申请号：US16276276

申请日：2019-02-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang Bum Kim ,  Soeng Hun Kim ,  Dong Gun Kim ,  Jae Hyuk Jang ,  Alexander Sayenko ,  Seung Ri Jin

IPC: H04W28/06 ,  H04W28/02 ,  H04W28/04 ,  H04L69/04 ,  H04L1/00 ,  H04W74/08 ,  H04W72/12

Abstract: Methods for performing a random access procedure by a terminal and a base station in a wireless communication system, a terminal, and a base station are provided. The method for performing a random access procedure by a terminal in a wireless communication system includes selecting a physical random access channel (PRACH) resource from one or more PRACH resources; transmitting, to a base station, a random access preamble based on the selected PRACH resource; identifying a random access radio network temporary identifier (RA-RNTI) based on information associated with the selected PRACH resource, wherein the information includes identity information for an uplink used for the random access preamble transmission; and monitoring a control channel for a random access response (RAR) based on the RA-RNTI.