公开(公告)号：US20190044880A1

公开(公告)日：2019-02-07

申请号：US16057104

申请日：2018-08-07

Applicant: LG Electronics Inc.

Inventor： Seungjune YI ,  Geumsan JO

IPC: H04L12/863

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for handling state variables of a PDCP entity in wireless communication system, the method comprising: delivering an PDCP SDU associated with a first COUNT to upper layer and starting, by the PDCP entity, a reordering timer, when an out-of-order PDCP PDU with the first COUNT value is received from lower layer; updating a value of a first state variable to the first COUNT value+1, when the reordering timer starts; and when the reordering timer expires, updating, by the PDCP entity, a value of a second state variable based on a second COUNT value of a first PDCP SDU which has not been delivered to upper layers, among PDCP SDUs with COUNT values which are equal to or larger than the first state variable.

公开(公告)号：US20190021109A1

公开(公告)日：2019-01-17

申请号：US16070165

申请日：2017-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune YI ,  Sunyoung LEE

IPC: H04W72/14 ,  H04W28/02 ,  H04L1/18 ,  H04W76/27 ,  H04W74/08

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for processing an uplink grant after the last uplink transmission in wireless communication system, the method comprising: transmitting uplink data with a buffer status reporting (BSR); receiving uplink grant after the BSR is transmitted; and discarding the received uplink grant if the received uplink grant is for new transmission and a buffer size of the BSR is set to zero.

公开(公告)号：US20180359775A1

公开(公告)日：2018-12-13

申请号：US15778194

申请日：2016-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune YI ,  Sunyoung LEE

IPC: H04W72/14 ,  H04L1/18

CPC classification number: H04W72/14 ,  H04L1/1621 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1877 ,  H04L1/189 ,  H04L2001/0093 ,  H04W76/20

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing RLC retransmission based on UL grant in wireless communication system, the method comprising: transmitting a MAC PDU including at least one RLC PDU received from a corresponding RLC entity on a HARQ process; receiving an UL grant for the HARQ process; considering that the at least one RLC PDU in the MAC PDU transmission is successful if the UL grant is for new transmission; and updating a value of RLC window for the corresponding RLC entity.

公开(公告)号：US20180302816A1

公开(公告)日：2018-10-18

申请号：US15765714

申请日：2016-08-24

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune YI ,  Sunyoung LEE ,  Hyunjin SHIM

IPC: H04W24/10 ,  H04W24/08 ,  H04W28/02 ,  H04L12/823

CPC classification number: H04W24/10 ,  H04L47/32 ,  H04W24/08 ,  H04W28/0205 ,  H04W28/0236 ,  H04W28/0263 ,  H04W28/0268

Abstract: The present invention relates to a method and a device for transmitting a queuing delay measurement report in a wireless communication system, the method comprising: receiving a queuing delay measurement configuration including discard timer values and a measurement period from an eNB, wherein each of the discard timer values respectively corresponds to one radio bearer among a set of radio bearers associated with a QCI configured for the UE, determining a queuing delay for the QCI based on queuing delays for PDCP SDUs from the set of radio bearers during the measurement period, selecting a specific discard timer value among the discard timer values, calculating a queuing delay ratio for the QCI by dividing the queuing delay for the QCI by the specific discard timer value, and transmitting a queuing delay measurement report including the QCI and the queuing delay ratio for the QCI to the eNB.

公开(公告)号：US20180295647A1

公开(公告)日：2018-10-11

申请号：US16001824

申请日：2018-06-06

Applicant: LG ELECTRONICS INC.

Inventor： Sungjun PARK ,  Sungduck CHUN ,  Sunghoon JUNG ,  Seungjune YI ,  Youngdae LEE

IPC: H04W74/00 ,  H04L5/00 ,  H04W56/00

CPC classification number: H04W74/004 ,  H04L5/001 ,  H04L5/0091 ,  H04W56/0045 ,  H04W74/002

Abstract: The invention relates to a method comprising classifying user equipment (UE) cells, to which carrier aggregation is applied, into a plurality of time advance groups. Uplink-time synchronization is managed using the time synchronization of a primary cell (Pcell) in the time synchronization group to which the primary cell belongs. For other time synchronization groups, the uplink time synchronization is managed using the time synchronization of a secondary cell (SCell) that is particularly set in the relevant time synchronization group. Thus, the plurality of time synchronizations can be effectively managed for the UE and a base station (BS).

公开(公告)号：US20180294940A1

公开(公告)日：2018-10-11

申请号：US15567588

申请日：2016-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung LEE ,  Seungjune YI

IPC: H04L5/00 ,  H04W72/14 ,  H04W72/12 ,  H04W72/04

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing an ACK/NACK indication based on the uplink grants over multiple subframes in a wireless communication system, the method comprising: starting a timer when an uplink grant is received from an eNB, wherein the uplink grant is valid while the timer is running; transmitting data using the uplink grant if the data is generated while the timer is running; monitoring an ACK indication or an or a NACK indication for the transmitted data on a subframe; checking whether the timer is running or not if the ACK indication for the transmitted data is not received on the subframe; and retransmitting the data using the uplink grant if the timer is running.

公开(公告)号：US20180270026A1

公开(公告)日：2018-09-20

申请号：US15758323

申请日：2016-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung LEE ,  Seungjune YI

IPC: H04L1/18 ,  H04W72/12 ,  H04W76/27

CPC classification number: H04L1/1877 ,  H04L1/18 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1864 ,  H04L1/1887 ,  H04W72/042 ,  H04W72/1268 ,  H04W76/27

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for skipping an UL transmission in a wireless system, the method comprising: receiving a RRC signaling configuring that the UE skips an UL transmission if there is no data available for transmission, receiving an UL grant for new transmission for a HARQ process, and discarding an old MAC PDU in a HARQ buffer of the HARQ process without storing any new MAC PDU in the HARQ buffer, if there is no data available for transmission.

公开(公告)号：US20180206257A1

公开(公告)日：2018-07-19

申请号：US15743639

申请日：2016-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung LEE ,  Seungjune YI

IPC: H04W72/12 ,  H04W74/08 ,  H04W28/02 ,  H04W76/14

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for triggering a BSR for sidelink data in a D2D communication system, the method comprising: configuring a sidelink logical channel; receiving a sidelink data of the sidelink logical channel from upper layer; checking whether the sidelink data of the sidelink logical channel is received from the eNB or not; and triggering a buffer status reporting according to a result of the checking, wherein if the sidelink data of the sidelink logical channel is received from the eNB, the buffer status reporting is not triggered.

公开(公告)号：US20180192436A1

公开(公告)日：2018-07-05

申请号：US15861574

申请日：2018-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune YI ,  Sunyoung LEE

IPC: H04W72/14 ,  H04W68/00 ,  H04W76/28 ,  H04W72/04

CPC classification number: H04W72/14 ,  H04W68/005 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/1278 ,  H04W76/27 ,  H04W76/28 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/12 ,  Y02D70/122 ,  Y02D70/1224 ,  Y02D70/1226 ,  Y02D70/124 ,  Y02D70/1242 ,  Y02D70/126 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/20 ,  Y02D70/21 ,  Y02D70/23 ,  Y02D70/24

Abstract: In the present invention, a user equipment (UE) receives a paging message associated with downlink (DL) data. The UE transmits a paging feedback using a uplink (UL) grant associated with the paging message. The UE monitors a physical downlink control channel (PDCCH) to receive the DL data.

公开(公告)号：US20180139653A1

公开(公告)日：2018-05-17

申请号：US15567940

申请日：2016-05-11

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung LEE ,  Seungjune YI

IPC: H04W28/12 ,  H04W28/02 ,  H04W74/08 ,  H04W72/12

CPC classification number: H04W28/12 ,  H04W28/0231 ,  H04W28/0278 ,  H04W72/1284 ,  H04W74/08

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting a contention-based PUSCH in a wireless communication system, the method comprising: receiving information for configuring a CB grant for transmitting a uplink data from the eNB; triggering a BSR when the uplink data is received from an upper layer; triggering a SR due to the triggered BSR and preparing transmission of the uplink data using the CB grant at a same time; transmitting the uplink data using the CB grant while the triggered SR is pending; monitoring an ACK indication from the eNB in response to the transmission of the uplink data; and canceling the pending BSR and SR if the UE receives the ACK indication from the eNB while the triggered SR is pending.