公开(公告)号：US10135577B2

公开(公告)日：2018-11-20

申请号：US14635397

申请日：2015-03-02

Applicant: LG Electronics Inc.

Inventor： Hyunsoo Ko ,  Heejeong Cho ,  Hyeyoung Choi ,  Ilmu Byun ,  Kungmin Park

IPC: H04L1/18 ,  H04L5/00 ,  H04L1/16

Abstract: A method for providing scalable service in a wireless communication system is disclosed. In this method, the transmitting side device transmits base layer signals and enhancement layer signals for one scalable service to a user equipment (UE) based on a HARQ (Hybrid Automatic Repeat Request) scheme. The base layer signals can be independently used at the UE without the enhancement layer signals. On the other hand, the enhancement layer signals cannot be used at the UE without the base layer signals. The transmitting side device also retransmits the base layer signals before a retransmission of the enhancement layer signals when there are both of the base layer signals and the enhancement layer signals to be retransmitted based on the HARQ scheme.

公开(公告)号：US10128998B2

公开(公告)日：2018-11-13

申请号：US15286175

申请日：2016-10-05

Applicant: LG ELECTRONICS INC.

Inventor： Ilmu Byun ,  Heejeong Cho ,  Genebeck Hahn ,  Eunjong Lee

IPC: H04L5/00 ,  H04L1/00 ,  H04L25/02

Abstract: Provided are a method and device for performing channel estimation in a wireless communication system. Specifically, user equipment receives a control channel in the first symbol of a plurality of symbols received for a short TTI (sTTI) set to be shorter than a TTI. The user equipment receives a data channel scheduled by the control channel in the remaining symbols other than the first symbol of the plurality of symbols received in the sTTI. The user equipment receives a user equipment (UE)-specific reference signal having the same frequency resource as a first cell-specific reference signal received in the TTI in the first symbol. The first cell-specific reference signal is received subsequent to the UE-specific reference signal, and the UE-specific reference signal is received in the sTTI. The user equipment decodes the control channel or the data channel using the UE-specific reference signal.

公开(公告)号：US10128926B2

公开(公告)日：2018-11-13

申请号：US15510215

申请日：2014-10-17

Applicant: LG ELECTRONICS INC.

Inventor： Ilmu Byun ,  Heejeong Cho ,  Hyunsoo Ko ,  Hyeyoung Choi ,  Kungmin Park

IPC: H04B7/06 ,  H04W72/04 ,  H04W72/12 ,  H04B17/00 ,  H04B1/38

Abstract: A method for transmitting a signal that includes the steps of: determining the beam width of a beam to be transmitted; determining, on the basis of the beam width, relative narrowband transmit power (RNTP) information indicating whether a transmission power of at least a predetermined critical value is transmitted to a predetermined resource block; transmitting the RNTP information to an adjacent cell; and transmitting the generated beam to the resource block according to the RNTP information. Also provided is a method for configuring an RNTP value for controlling inter-cell interference in a communication system.

公开(公告)号：US09924453B2

公开(公告)日：2018-03-20

申请号：US15502746

申请日：2014-09-18

Applicant: LG ELECTRONICS INC.

Inventor： Kungmin Park ,  Heejeong Cho ,  Hyunsoo Ko ,  Hyeyoung Choi ,  Ilmu Byun

IPC: H04W4/00 ,  H04W36/00 ,  H04W48/16 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W48/16 ,  H04L5/0055 ,  H04W24/02 ,  H04W72/042 ,  H04W76/20

Abstract: Disclosed are a method and a device for determining a cell identifier. A method for determining a cell identifier can comprise the steps of: a network control unit generating an Nth neighbor cell list which comprises information about a neighboring cell of a search cell; the network control unit receiving, from a search cell, information about a global cell identifier and a first PCI of an unknown cell; the network control unit determining whether or not the unknown cell is a moving cell on the basis of the global cell identifier; and, if the unknown cell is a moving cell and the first PCI and a second PCI of a neighbor cell that is comprised in the Nth neighbor cell list, the network control unit transmitting to the moving cell a PCI change signal that requests changing of the first PCI.

公开(公告)号：US09906286B2

公开(公告)日：2018-02-27

申请号：US14888406

申请日：2014-05-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung Choi ,  Jaehoon Chung ,  Iimu Byun ,  Eunjong Lee ,  Heejeong Cho ,  Genebeck Hahn

IPC: H04B7/06 ,  H04W16/02 ,  H04L1/00 ,  H04W16/32 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0619 ,  H04L1/0026 ,  H04L5/001 ,  H04L5/0057 ,  H04W16/02 ,  H04W16/32 ,  H04W72/0413

Abstract: Disclosed are a terminal and a CSI feedback method of a terminal, comprising the steps of: classifying cells into one or more cell groups on the basis of cell IDs of the cells set in a terminal; selecting a representative cell representing other cells belonging to each cell group; and transmitting a CSI feedback on the cells belonging to each cell group to at least one of a macro cell and a small cell connected to the terminal by using the representative cell selected in each cell group.

公开(公告)号：US20180035369A1

公开(公告)日：2018-02-01

申请号：US15554058

申请日：2015-07-27

Applicant: LG Electronics Inc.

Inventor： Genebeck Hahn ,  IImu Byun ,  Heejeong Cho ,  Eunjong Lee

IPC: H04W48/16 ,  H04W72/12 ,  H04W76/02

CPC classification number: H04W76/15 ,  H04W24/10 ,  H04W48/16 ,  H04W72/12 ,  H04W76/10 ,  H04W76/30 ,  H04W84/042 ,  H04W88/02 ,  H04W88/08

Abstract: A method for searching for an alternative link by a terminal in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: receiving from a serving link base station service information comprising a target quality value of a service to be provided to a terminal; determining whether or not a first alternative link is to be searched for on the basis of a reference scheduling quality value, which is to be used for scheduling the terminal in the future by the serving link base station, and the target quality value; if the first alternative link has been determined to be searched for, searching for candidate base stations for establishing the first alternative link; and establishing the first alternative link in a deactivation mode of unicast data transmission/reception with a first candidate base station among the candidate base stations.

公开(公告)号：US09872164B2

公开(公告)日：2018-01-16

申请号：US14913950

申请日：2014-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Heejeong Cho ,  Hyeyoung Choi ,  Genebeck Hahn ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04W4/00 ,  H04W8/02 ,  H04W24/02 ,  H04W28/02 ,  H04W40/20 ,  H04W92/14 ,  H04W84/12 ,  H04W88/10

CPC classification number: H04W8/02 ,  H04W24/02 ,  H04W28/0226 ,  H04W40/20 ,  H04W84/12 ,  H04W88/10 ,  H04W92/14

Abstract: According to one embodiment of the present specification, provided is a method for setting an interface between a radio access device for providing services to user equipment (UE) by using cellular-based radio access technology (RAT) and/or wireless LAN-based RAT, and a mobility management entity (MME). The method can comprises the steps of: transmitting, by the radio access device, a request message to the MME; and receiving a response message from the MME.

公开(公告)号：US09854500B2

公开(公告)日：2017-12-26

申请号：US14765972

申请日：2014-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Heejeong Cho ,  Eunjong Lee ,  Hyeyoung Choi ,  Genebeck Hahn

IPC: H04W4/00 ,  H04W40/12 ,  H04W28/02 ,  H04W72/04 ,  H04W84/12 ,  H04W88/16

CPC classification number: H04W40/12 ,  H04W28/0268 ,  H04W72/0413 ,  H04W84/12 ,  H04W88/16

Abstract: A method and apparatus for routing data in a wireless communication system is provided. In trusted non-3rd generation partnership project (3GPP) access, a wireless local area network (WLAN) access gateway receives parameters, which includes 3GPP core network load information and a core network routing rule, from an entity of a 3GPP system, and routes received UL data based on the received parameters through at least one of the 3GPP system and a non-3GPP system. In un-trusted non-3GPP access, an evolved packet data gateway (ePDG) receives parameters, which includes 3GPP core network load information and a core network routing rule, from an entity of a 3GPP system, and routes received UL data based on the received parameters through at least one of the 3GPP system and a non-3GPP system.

公开(公告)号：US09832743B2

公开(公告)日：2017-11-28

申请号：US14896564

申请日：2014-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong Lee ,  Jaehoon Chung ,  Hyeyoung Choi ,  Heejeong Cho ,  Genebeck Hahn

IPC: G08C17/00 ,  H04W52/38 ,  H04W52/14 ,  H04W52/36 ,  H04W72/12 ,  H04W84/04 ,  H04W84/12 ,  H04W88/06

CPC classification number: H04W52/38 ,  H04W52/146 ,  H04W52/365 ,  H04W52/367 ,  H04W72/1215 ,  H04W72/1284 ,  H04W84/042 ,  H04W84/12 ,  H04W88/06

Abstract: An uplink control method includes reporting information on user equipment (UE) transmit power for a first RAT and a second RAT upon transmission of uplink data to an entity of the first RAT, receiving a message including information for deactivating an uplink of one of the first and the second RATs from the entity of the first RAT, when a sum of the UE transmit powers of the uplink data for the first RAT and the second RAT exceeds first maximum transmit power, and selectively deactivating the uplink of the one of the first and the second RATs based on the message from an entity of the first RAT.

公开(公告)号：US09813978B2

公开(公告)日：2017-11-07

申请号：US14772857

申请日：2014-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Heejeong Cho ,  Eunjong Lee ,  Hyeyoung Choi ,  Genebeck Hahn

IPC: H04W28/02 ,  H04W48/18 ,  H04W76/02 ,  H04W88/06 ,  H04W36/14 ,  H04W36/22 ,  H04W28/08

CPC classification number: H04W48/18 ,  H04W28/0231 ,  H04W28/0268 ,  H04W28/08 ,  H04W36/14 ,  H04W36/22 ,  H04W76/12 ,  H04W76/14 ,  H04W76/16 ,  H04W88/06

Abstract: A method and apparatus for establishing a session in a wireless communication system is provided. According to the present invention, a session of a 3rd generation partnership project (3GPP) long-term evolution (LTE) system or a session of a Wi-Fi system can be established for user plane (U-plane) switch in a converged system of the 3GPP LTE system and the Wi-Fi system. After performing U-plane switch, an entity of the LTE system may suspend (deactivate) and release radio bearers mapped to all of evolved packet system (EPS) bearer related to U-plane.