公开(公告)号：US10271357B2

公开(公告)日：2019-04-23

申请号：US15698558

申请日：2017-09-07

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W74/00 ,  H04W74/08

Abstract: A method and apparatus for a user equipment (UE) performing a random access procedure are disclosed. For this end, the UE receives configuration information from the network. Here, the configuration information indicates: one or more prioritized events, and numbers (>1) of random access preambles respectively assigned for each of the prioritized events. The UE transmits a single random access preamble to the network, if the random access procedure is triggered by a first event other than the prioritized events. And, the UE transmits multiple random access preambles to the network, if the random access procedure is triggered by a second event belonging to the prioritized events. Here, the number of the multiple random access preambles corresponds to the number of random access preamble assigned for the second event in the configuration information.

公开(公告)号：US10270891B2

公开(公告)日：2019-04-23

申请号：US15309880

申请日：2015-06-05

Applicant: LG Electronics Inc.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W4/00 ,  H04L29/06 ,  H04L1/00 ,  H04L1/18 ,  H04L29/08 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for handling an unknown MAC PDU, the method comprising: receiving a MAC (Medium Access Control) PDU (Protocol Data Unit) including a LCID (Logical Channel Identifier); discarding a header field containing the LCID and a corresponding MAC SDU (Service Data Unit) indicated by the header field in the received MAC PDU if the LCID is not configured to the UE; and processing remaining parts of the MAC PDU after the header field and the corresponding MAC SDU are discarded from the MAC PDU.

公开(公告)号：US10219317B2

公开(公告)日：2019-02-26

申请号：US15312362

申请日：2015-07-06

Applicant: LG Electronics Inc.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04W72/14 ,  H04W76/34 ,  H04L5/00 ,  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 handling of data transmission and reception for SeNB related bearer release in a dual connectivity system, the method comprising: receiving, from a Master eNB (MeNB), a 1st message for requesting to release a SCG (Secondary Cell Group) bearer or a SCG part of a split bearer configured in the SeNB; releasing downlink part of the SCG bearer or the SCG part of the split bearer configured in the SeNB; receiving, from the MeNB, a 2nd message for indicating that a UE has released the SCG bearer or the SCG part of the split bearer configured in the SeNB; and releasing uplink part of the SCG bearer or the SCG part of the split bearer configured in the SeNB.

公开(公告)号：US10219293B2

公开(公告)日：2019-02-26

申请号：US14818112

申请日：2015-08-04

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04W4/00 ,  H04W72/14 ,  H04W28/06

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for avoiding padding only MAC PDU in a D2D communication system, the method comprising: receiving a sidelink grant from a base station (BS) when the TX UE communicates with a receiving UE (RX UE) directly; checking size of the received sidelink grant; and transmitting a Medium Access Control Protocol Data Unit (MAC PDU) including at least one byte of Radio Link Control Service Data Unit (RLC SDU) if the size of received sidelink grant is larger than a minimum size of MAC PDU including only MAC header and Radio Link Control (RLC) header for Sidelink Traffic Channel (STCH).

公开(公告)号：US10212674B2

公开(公告)日：2019-02-19

申请号：US14909700

申请日：2014-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04W52/36 ,  H04B7/26 ,  H04J3/00 ,  H04W72/04 ,  H04L5/14

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to power headroom reporting (PHR) in terms of multiple TDD UL/DL subframe configurations. According to one aspect of the present invention, the UE receives information informing the UE of multiple time division duplex (TDD) uplink/downlink (UL/DL) subframe configurations, and transmits a power headroom reporting (PHR) to the network. Here, the PHR comprises an identifier informing the network that the PHR is for a specific TDD UL/DL subframe configuration with regards to the multiple TDD UL/DL subframe configurations.

公开(公告)号：US10187909B2

公开(公告)日：2019-01-22

申请号：US15684146

申请日：2017-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W76/14 ,  H04W12/02 ,  H04W92/18 ,  H04W76/02

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for indicating a ciphering indication for a sidelink radio bearer in a D2D communication system, the method comprising: receiving a PDCP SDU when the UE is configured to communicate with one or more other UEs directly; deciding whether to apply ciphering or not for the received PDCP SDU; generating a PDCP data PDU including the received PDCP SDU and a PDCP PDU header including one or more fields for ciphering parameters; and transmitting the PDCP data PDU to the one or more other UEs over PC5 interface, wherein at least one of the one or more fields for ciphering parameters is set to a fixed value when the ciphering is not applied for the received PDCP SDU.

公开(公告)号：US10187184B2

公开(公告)日：2019-01-22

申请号：US15535147

申请日：2016-01-13

Applicant: LG ELECTRONICS INC.

Inventor： Sunyoung Lee ,  Seungjune Yi

IPC: H04L1/18 ,  H04L5/00

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting multiplexed HARQ feedbacks in a carrier aggregation system, the method comprising: configuring with a plurality of cells, wherein at least two cells of the plurality of cells are configured with Physical Uplink Control Channel (PUCCH) resources, respectively; generating a Hybrid-ARQ (HARQ) feedback by multiplexing the HARQ feedbacks of all of the plurality of cells configured for the UE; selecting a cell among the at least two cells with the PUCCH resources; and transmitting the generated HARQ feedback on the selected cell.

公开(公告)号：US10172165B2

公开(公告)日：2019-01-01

申请号：US15037229

申请日：2015-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W76/02 ,  H04W72/12 ,  H04J11/00 ,  H04W4/00 ,  H04W72/04 ,  H04L1/18 ,  H04W64/00 ,  H04W4/02 ,  H04L29/12 ,  H04H20/38 ,  H04W80/02 ,  H04W4/80 ,  H04W76/14 ,  H04W88/06 ,  H04W88/08 ,  H04W88/16

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for constructing a MAC PDU for D2D communication system, the method comprising: constructing, by a first UE, a MAC PDU including a source ID, a target ID, a plurality of logical channel IDs and a plurality of MAC SDUs, wherein each MAC SDU is transmitted from the first UE identified by the source ID to each second UE identified by the target ID via a logical channel identified by one of the plurality of logical channel IDs; transmitting the MAC PDU to at least one second UE via an interface, wherein the interface is configured between the first UE and the at least one second UE directly.

公开(公告)号：US10172162B2

公开(公告)日：2019-01-01

申请号：US15415704

申请日：2017-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Seungjune Yi ,  Sunyoung Lee

IPC: H04W74/08 ,  H04L5/00 ,  H04W28/20 ,  H04W72/04 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing a random access procedure in wireless communication system, the method comprising: transmitting a random access preamble (RAP) on a physical random access channel (PRACH) resource in a radio frame; calculating a random access-radio network temporary identifier (RA-RNTI) by considering time-frequency resource associated with the PRACH resource and an index of a first radio frame of the PRACH resource; and monitoring a physical downlink control channel (PDCCH) identified by the calculated RA-RNTI for RAR reception during a RAR window.

公开(公告)号：US20180376386A1

公开(公告)日：2018-12-27

申请号：US16059574

申请日：2018-08-09

Applicant: LG Electronics Inc.

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

IPC: H04W36/00 ,  H04W36/08 ,  H04W36/04

CPC classification number: H04W36/0061 ,  H04W36/0072 ,  H04W36/04 ,  H04W36/08

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing a cell change procedure in the wireless communication system, the method comprising: receiving configuration information indicating an identifier of a radio bearer to which a cell change procedure be performed; and performing the cell change procedure in RLC (Radio Link Control) and PDCP (Packet Data Convergence Protocol) entities of the radio bearer indicated in the configuration information, wherein the cell change procedure comprises a re-establishment of the RLC and PDCP entities.