公开(公告)号：US12143856B2

公开(公告)日：2024-11-12

申请号：US18508647

申请日：2023-11-14

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 ,  H04L1/00 ,  H04L69/04 ,  H04W28/02 ,  H04W28/04 ,  H04W72/21 ,  H04W74/0833

Abstract: Methods and apparatuses are provided in a wireless communication system. Packet data convergence protocol (PDCP) configuration information that configures a PDCP entity of the terminal to use an uplink data compression (UDC) is received from a base station. The PDCP entity generates a UDC header and a UDC data block, based on the PDCP configuration information. The PDCP entity ciphers the UDC header and the UDC data block. The PDCP entity generates PDCP data including a PDCP header, the ciphered UDC header and the ciphered UDC data block. The generated PDCP data is transmitted to the base station. A header compression is not configured in case that the UDC is configured.

公开(公告)号：US10897399B2

公开(公告)日：2021-01-19

申请号：US16193540

申请日：2018-11-16

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L12/24 ,  H04W36/00 ,  H04W36/04 ,  H04W72/04 ,  H04W74/08 ,  H04L1/00 ,  H04W56/00 ,  H04W76/27 ,  H04W36/30 ,  H04W36/12 ,  H04W8/04 ,  H04W36/14 ,  H04W48/20 ,  H04W48/18 ,  H04L12/26 ,  H04L5/00 ,  H04L29/08 ,  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：US12219641B2

公开(公告)日：2025-02-04

申请号：US17306094

申请日：2021-05-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong Gun Kim

IPC: H04W76/19 ,  H04L1/18 ,  H04W16/24 ,  H04W76/15 ,  H04W76/30 ,  H04W80/02

Abstract: Methods and apparatuses are provided in a wireless communication system in which a radio resource control (RRC) message is received to change or release a secondary cell group (SCG). A re-establishment for a radio link control (RLC) entity of a terminal is performed based on the RRC message. A packet data convergence protocol (PDCP) data recovery is performed based on the RRC message. Performing the PDCP data recovery includes selectively transmitting a PDCP protocol data unit (PDU) previously submitted to the re-established RLC entity, for which a successful delivery has not been confirmed by the re-established RLC entity.

公开(公告)号：US11470499B2

公开(公告)日：2022-10-11

申请号：US16762698

申请日：2018-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong Gun Kim

IPC: H04W28/02 ,  H04W72/04

Abstract: Provided is a method, performed by a user equipment (UE), of processing data in a wireless communication system, the method including: determining a format for buffer status report based on a buffer status of each of logical channel groups when the UE receiving an uplink transmission resource from a base station determines to report the buffer status to the base station; allocating, to each of the logical channel groups, a transmission resource remaining after excluding, from the uplink transmission resource, a transmission resource used for reporting the buffer status of the determined format; and re-determining the format for the buffer status report based on the buffer status of each of the logical channel groups after the allocating.

公开(公告)号：US20190191332A1

公开(公告)日：2019-06-20

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

CPC classification number: H04W28/065 ,  H04L1/00 ,  H04L69/04 ,  H04W28/0278 ,  H04W28/04

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.

公开(公告)号：US11838976B2

公开(公告)日：2023-12-05

申请号：US17306823

申请日：2021-05-03

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W76/19 ,  H04W76/30 ,  H04W80/02 ,  H04W88/02

CPC classification number: H04W76/19 ,  H04W76/30 ,  H04W80/02 ,  H04W88/02

Abstract: A method, performed by a user equipment (UE), of transmitting and receiving signals in a wireless communication system, according to an embodiment, includes receiving a logical channel release request from a next-generation node B (gNB), determining a logical channel to release, an operation mode of the logical channel to release, and whether a packet data convergence protocol (PDCP) layer apparatus connected to the logical channel is re-established, based on the logical channel release request, and performing PDCP data recovery based on the determination result.

公开(公告)号：US11825346B2

公开(公告)日：2023-11-21

申请号：US16185812

申请日：2018-11-09

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 ,  H04W72/21

CPC classification number: H04W28/065 ,  H04L1/00 ,  H04L69/04 ,  H04W28/0278 ,  H04W28/04 ,  H04W72/21 ,  H04W74/0833

Abstract: Provided is a method for performing uplink data compression (UDC) by a user equipment (UE). The method includes receiving configuration information on UDC; generating a first UDC packet by compressing uplink data, based on the configuration information on UDC; transmitting the first UDC packet; receiving, from the base station, packet data convergence protocol (PDCP) layer control information including checksum error information about whether a checksum error has occurred in the first UDC packet; and resetting a UDC buffer used in compressing the uplink data, based on the PDCP layer control information.

公开(公告)号：US11182245B2

公开(公告)日：2021-11-23

申请号：US16857358

申请日：2020-04-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bo Mi Kim ,  Dong Gun Kim ,  Soo Hyun Kim ,  Ki Hyun Choi ,  Pil Chang Son

IPC: G06F11/00 ,  G06F11/10 ,  G06F9/4401

Abstract: An operating method of a memory controller to update metadata using journaling data in a short time during a booting operation, and to maintain reliability of the updated metadata. The operating method of a memory controller includes loading metadata into sub-regions of a buffer memory, updating the metadata using journaling data in a state that error correction code (ECC) functions of memory controller for the sub-regions are disabled, generating a first parity data of data stored in the first sub-region, and enabling the ECC function of the first sub-region, after the first parity data is generated.

公开(公告)号：US11102687B2

公开(公告)日：2021-08-24

申请号：US16413199

申请日：2019-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04W36/08 ,  H04W36/00 ,  H04W36/14 ,  H04W72/04 ,  H04W72/12 ,  H04W24/10 ,  H04W88/06 ,  H04W36/30 ,  H04W84/04

Abstract: Disclosed is a 5G or a pre-5G communication system provided to support a higher data transmission rate than a system after a 4G communication system such as LTE.

公开(公告)号：US10999884B2

公开(公告)日：2021-05-04

申请号：US16189127

申请日：2018-11-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong Gun Kim

IPC: H04W76/19 ,  H04W16/24 ,  H04L1/18 ,  H04W76/15 ,  H04W76/30 ,  H04W80/02

Abstract: Provided is a user equipment method of transmitting and receiving data in a wireless communication system, comprising receiving a request for a packet data convergence protocol (PDCP) data recovery from an upper layer, determining at least one PDCP packet data unit (PDU), previously submitted to a re-established radio link control (RLC) entity, for which a successful delivery has not been confirmed by a lower layer, and performing a retransmission of the determined at least one PDCP PDU.