公开(公告)号：US11438797B2

公开(公告)日：2022-09-06

申请号：US16981215

申请日：2019-05-16

Applicant: LG Electronics Inc.

Inventor： Hyunjung Choe ,  Gyeongcheol Lee ,  Sunyoung Lee ,  Seungjune Yi ,  Youngdae Lee

IPC: H04W28/06 ,  H04W76/27 ,  H04W72/10 ,  H04W72/12 ,  H04W74/08 ,  H04W80/02

Abstract: A method and apparatus for discarding data among associated transmission buffers in a wireless communication system is provided. A wireless device generates a first data packet and a second data packet, and performs a random access (RA) procedure based on the first data packet. When the RA procedure based on the first data packet fails, the wireless device discards the first data packet, and continues the RA procedure based on the second data packet. A media access control (MAC) layer indicates a radio resource control (RRC) layer that the RA procedure based on the second data packet is performed.

公开(公告)号：US11336398B2

公开(公告)日：2022-05-17

申请号：US16831014

申请日：2020-03-26

Applicant: LG Electronics Inc.

Inventor： Jeonggu Lee ,  Sunyoung Lee ,  Seungjune Yi

IPC: H04L1/18 ,  H04L1/00 ,  H04W76/28 ,  H04W72/04

Abstract: A method for monitoring a physical downlink control channel (PDCCH) with a discontinuous reception (DRX) related timer by a user equipment (UE) configured not to transmit a Hybrid Automatic Repeat and request (HARQ) feedback for the DL HARQ process in a wireless communication system is disclosed. Especially, when the UE processes the data block, a timer for monitoring subsequent PDCCHs related to retransmission of the DL HARQ process is started without transmitting the HARQ feedback upon a first Physical downlink Control Channel (PDCCH) for the DL HARQ process is detected. Then, while the timer is running, the UE monitors subsequent PDCCHs related to retransmission of the DL HARQ process. Further, when decoding of DL data related to the second PDCCH successes, the timer is stopped and monitoring subsequent PDCCHs for the DL HARQ process is skipped.

公开(公告)号：US11184801B2

公开(公告)日：2021-11-23

申请号：US16945179

申请日：2020-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W4/00 ,  H04W28/06 ,  H04L29/08 ,  H04L12/801 ,  H04W72/12 ,  H04W72/04

Abstract: In the present invention, the transmitting device attaches a sequence number (SN) for each of service data unit (SDU) elements to generate a protocol data unit (PDU) containing the SDU elements. Each of the SDU elements is a SDU or SDU segment. The PDU includes the SDU elements and respective SNs for the SDU elements. The PDU includes an indicator for each of the SDU elements, and the indicator indicating whether a corresponding SDU element is a SDU or SDU segment.

公开(公告)号：US11172402B2

公开(公告)日：2021-11-09

申请号：US16322196

申请日：2017-09-28

Applicant: LG Electronics Inc.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W28/06 ,  H04L12/805 ,  H04W28/02 ,  H04W84/12

Abstract: A user equipment (UE) determines whether a size of data available for transmission in a PDCP (Packet Data Convergence Protocol) entity of the UE, excluding a size of a PDCP Control PDU (Protocol Data Unit), exceeds a threshold value. Here, the PDCP Control PDU is predetermined to be transmitted through the first link of the bearer. The PDCP entity of the UE informs an indication on (a) the size of the data available for transmission, or (b) the size of the PDCP Control PDU, to a first entity of the UE for the first link based on the determination, and the first entity can transmit a buffer status report to the network based on the indication. Here, the size of the data available for transmission in the PDCP includes the size of the PDCP Data PDU and the size of the PDCP Control PDU.

公开(公告)号：US20210274540A1

公开(公告)日：2021-09-02

申请号：US16467558

申请日：2018-01-04

Applicant: LG Electronics Inc.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04W72/14 ,  H04W72/12

Abstract: A user equipment (UE) receives first configuration information for one or more numerology sets, each numerology set including one or more numerologies. The UE receives second configuration information for one or more logical channels, each logical channel mapped to one or more numerologies. The UE receives a first uplink (UL) grant for new transmission, the first UL grant including information indicating a numerology set associated with the first UL grant. The UE generates a MAC PDU. The UE performs a new transmission of the MAC PDU using the first UL grant. The MAC PDU contains data from a logical channel of which every numerology belongs to the numerology set.

公开(公告)号：US11101940B2

公开(公告)日：2021-08-24

申请号：US16610655

申请日：2018-05-04

Applicant: LG Electronics Inc.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04L1/18 ,  H04L29/08

Abstract: A transmitting device of the present invention submits, from a packet data convergence protocol (PDCP) entity configured with a PDCP duplication function, a PDCP protocol data unit (PDU) (duplicated PDCP PDU 1) to a lower layer and starts a prohibit timer for the duplicated PDCP PDU 1. The transmitting device submits, from the PDCP entity, the same PDCP PDU (duplicated PDCP PDU 2) to the lower layer if the prohibit timer expires. The transmitting device transmit the duplicated PDCP PDU 1 and the duplicated PDCP PDU 2.

公开(公告)号：US11089504B2

公开(公告)日：2021-08-10

申请号：US16498350

申请日：2018-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04W28/02 ,  H04L12/707 ,  H04W40/04 ,  H04W72/04 ,  H04W80/08

Abstract: The method for a user equipment (UE) operating a split bearer in a wireless communication system according to an embodiment of the present application comprises steps of configuring a Packet Data Convergence Protocol (PDCP) entity and two Radio Link Control (RLC) entities associated with the split bearer; wherein a first RLC entity is configured as a first data path of the split bearer, wherein a second RLC entity is configured as a second data path of the split bearer, calculating an PDCP data increment rate; and determining a data path of the split bearer based on the PDCP data increment rate and a predefined threshold value.

公开(公告)号：US20210212125A1

公开(公告)日：2021-07-08

申请号：US17055737

申请日：2019-07-19

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong Lee ,  Jayeong Kim ,  Sunyoung Lee ,  Seungjune Yi

IPC: H04W74/08 ,  H04W72/14 ,  H04W72/12

Abstract: The present invention relates to a method for performing a random access procedure by a user equipment in a wireless communication system. In particular, the method includes transmitting a first number of random access preambles; detecting a second number of random access responses corresponding to the first number of random access preambles; and transmitting an payload using one uplink grant for which a listen before talk (LBT) procedure is firstly successful among a second number of uplink grants included in the second number of random access responses.

公开(公告)号：US20210204160A1

公开(公告)日：2021-07-01

申请号：US16492255

申请日：2018-02-26

Applicant: LG Electronics Inc.

Inventor： Geumsan Jo ,  Seungjune Yi ,  Heejeong Cho

IPC: H04W28/02 ,  H04W28/14

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting lossless data packet based on QoS framework in wireless communication system, the method comprising: starting a timer for a first QoS flow when a DRB which is mapped to the first QoS flow is changed from a first DRB to a second DRB; delivering packets of the first QoS flow received from the first DRB to an upper layer while the timer is running; when the timer expires, starting to deliver the packets of the first QoS flow received from the second DRB while stopping the delivering packets of the first QoS flow received from the first DRB.

公开(公告)号：US11019519B2

公开(公告)日：2021-05-25

申请号：US16366073

申请日：2019-03-27

Applicant: LG Electronics Inc.

Inventor： Sunyoung Lee ,  Seungjune Yi ,  Youngdae Lee ,  Sungjun Park

IPC: H04W24/10 ,  H04W72/12 ,  H04W76/27 ,  H04W28/02 ,  H04W24/02 ,  H04B7/022

Abstract: A method for a base station (BS) operating in a wireless communication system, the method includes transmitting, to a user equipment (UE), first information indicating a threshold value for an uplink data split operation; and receiving a buffer status report (BSR) from the UE, wherein a value of a buffer size in the BSR is determined based on second information that indicates an amount of data available for transmission for a packet data convergence protocol (PDCP) entity of the UE when the amount of the data available for transmission is larger than the threshold value.