公开(公告)号：US10448429B2

公开(公告)日：2019-10-15

申请号：US15103807

申请日：2014-12-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/08 ,  H04W76/10 ,  H04W48/00 ,  H04W72/04 ,  H04W76/18 ,  H04W76/27 ,  H04W76/16

Abstract: The method for performing a random access procedure by a user equipment in a network in which a plurality of communication systems interwork may comprise: establishing an association with an access point (AP) of a neighboring wireless LAN communication system if it is impossible to perform a direct uplink transmission to a cellular communication system of the plurality of communication systems or that the UE is located in an area where direct uplink transmission is not possible; transmitting, to the AP, a first message including a random access preamble sequence; receiving a second message from a eNode B of the cellular communication system in response to the first message; transmitting, to the AP, a third message including the received second message and a radio resource control (RRC) connection request; and receiving, from the eNode B, a fourth message related to an RRC connection setup in response to the third message.

公开(公告)号：US10362599B2

公开(公告)日：2019-07-23

申请号：US15033213

申请日：2014-11-07

Applicant: LG Electronics Inc.

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

IPC: H04W74/00 ,  H04W76/10 ,  H04B7/06 ,  H04W56/00 ,  H04W72/04 ,  H04W88/08 ,  H04B7/022 ,  H04W48/20

Abstract: Disclosed are a terminal, which receives a downlink signal from a plurality of RRHs, transmits a random access preamble to any one target RRH in which the intensity of the received downlink signal among the plurality of RRHs is greater than or equal to a threshold value, receives a random access response message indicating that an uplink connection to a selected RRH will be configured on the basis of difference of a reception power of a random access preamble received by the target RRH and a reception power of a random access preamble which is overheard by a neighborhood RRH adjacent to the target RRH, and configures an uplink connection to the selected RRH, and an uplink connection configuration method thereof.

公开(公告)号：US10356757B2

公开(公告)日：2019-07-16

申请号：US15562400

申请日：2015-12-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung Choi ,  Kiseon Ryu ,  Jeongki Kim ,  Hangyu Cho ,  Suhwook Kim

IPC: H04W72/04 ,  H04W84/12 ,  H04W76/10 ,  H04W74/08 ,  H04L1/16 ,  H04L5/00 ,  H04W74/00 ,  H04W74/06

Abstract: A method for a station (STA) not having an association identifier (AID) allocated thereto transmitting a signal in a wireless LAN system, according to one embodiment of the present invention, comprises the steps of: transmitting a first frame through at least one resource among resources indicated by a trigger frame; and receiving a multi-STA block Ack (M-BA) frame as a reply to the first frame, wherein, if in the M-BA frame a MAC address of the STA that is different from a first information is detected from at least a part of a first field reserved for the first information, an N-bit of a second field preceding the first field is set as a temporary AID of the STA.

公开(公告)号：US10356756B2

公开(公告)日：2019-07-16

申请号：US15525038

申请日：2015-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung Choi ,  Kiseon Ryu ,  Jeongki Kim ,  Hangyu Cho ,  Suhwook Kim

IPC: H04W72/04 ,  H04W52/02 ,  H04L1/00 ,  H04W72/12 ,  H04L5/00 ,  H04W84/12 ,  H04W74/04

Abstract: A data transmission method of a station (STA) device in a wireless LAN system is disclosed. The data transmission method of an STA device, according to the present invention, comprises: a receiving step of receiving an uplink data frame from a first STA, wherein the uplink data frame includes first receiving operating mode information indicating a receiving operating mode to be changed by the first STA; and a transmitting step of transmitting an ACK frame for the uplink data frame, wherein the ACK frame includes mode change acceptance information indicating whether to accept or reject the change in the receiving operating mode according to the receiving operating mode information.

公开(公告)号：US10251191B2

公开(公告)日：2019-04-02

申请号：US15506709

申请日：2015-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong Lee ,  Kitae Kim ,  Giwon Park ,  Jaehoon Chung ,  Jiwon Kang ,  Hyeyoung Choi

IPC: H04W72/12 ,  H04L5/00 ,  H04L27/26 ,  H04W76/10 ,  H04W72/04

Abstract: Provided are a method and apparatus for requesting scheduling for an uplink data transmission in a wireless communication system. The method may include receiving, by a user equipment, an additional scheduling request (SR) resource configuration information including additional SR resource information and buffer size information configured to the additional SR resource in addition to a default SR resource from a base station, transmitting, by the user equipment, an SR through the default SR resource or the additional SR resource to the base station, receiving, by the user equipment, an uplink resource allocation information which is determined according to the resource in which the SR is transmitted from the base station, and transmitting, by the user equipment, the uplink data to the base station through a physical uplink shared channel (PUSCH) resource which is allocated by the uplink resource allocation information.

公开(公告)号：US10075904B2

公开(公告)日：2018-09-11

申请号：US15036790

申请日：2014-07-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W48/16 ,  H04W48/20 ,  H04W74/08 ,  H04W48/18 ,  H04W48/12 ,  H04W84/12

CPC classification number: H04W48/16 ,  H04W48/12 ,  H04W48/18 ,  H04W48/20 ,  H04W74/0833 ,  H04W84/12

Abstract: A user equipment in a communication environment in which a plural communication systems interwork comprises: a processor for searching a base station of a first communication system, the base station having a signal intensity higher than a threshold; and a receiver for receiving information of a base station list of a second communication system adjacent to the terminal through a first communication system link from the searched base station of the first communication system, wherein the processor turns on a second communication system mode in the case of failing in random access channel (RACH) transmissions a predetermined number of times to the searched base station of the first communication system, wherein the receiver receives a beacon signal including an indicator which indicates support of an uplink transmission of the first communication system from base stations included in the information of the base station list of the second communication system; the processor recognizes that an uplink transmission is disabled or only a downlink transmission is enabled through the first communication system link based on the beacon signal; and the information of the base station list of the second communication system may include an indicator which indicates whether the base station of the second communication system supports a downlink (DL) or uplink (UL) transmission through the first communication system link.

公开(公告)号：US09924545B2

公开(公告)日：2018-03-20

申请号：US14904383

申请日：2014-04-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W24/02 ,  H04W74/08 ,  H04W88/08

CPC classification number: H04W74/0833 ,  H04W24/02 ,  H04W88/085

Abstract: Disclosed are: a terminal for selecting RRUs of which a connection state with the terminal is a critical value or more from among a plurality of RRUs on the basis of down signals received from the RRUs, transmitting an RRU list including information on the selected RRUs and a random access preamble to an RRU having the best connection state with the terminal among the selected RRUs, receiving an access information response message indicating a preferred RRU with which a random access is to be performed by the terminal from any one RRU among the selected RRUs and performing a random access process with the preferred RRU; and a method for performing random access by the terminal.

公开(公告)号：US09923615B2

公开(公告)日：2018-03-20

申请号：US15325069

申请日：2014-07-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/00 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/06 ,  H04B10/50 ,  G01S3/72

CPC classification number: H04B7/0417 ,  G01S3/72 ,  H04B7/0452 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0695 ,  H04B10/5055

Abstract: Provided are a method and an apparatus for generating and transmitting feedback signals for a plurality of reference signals having different directionality, in a wireless communication system. A terminal may receive the plurality of reference signals having different directionality, and transmit, to a transmission end, a feedback signal including a beam index which indicates one of the plurality of reference signals.

公开(公告)号：US09888372B2

公开(公告)日：2018-02-06

申请号：US15125108

申请日：2014-05-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04M11/04 ,  H04W4/22 ,  H04W72/04 ,  H04W4/04 ,  H04W76/04 ,  H04W4/02 ,  H04W88/08

CPC classification number: H04W4/90 ,  H04W4/02 ,  H04W4/046 ,  H04W72/0413 ,  H04W72/048 ,  H04W76/27 ,  H04W88/08

Abstract: The present invention relates to a communication method of an in-vehicle communication apparatus in a wireless communication system, and an apparatus therefor. One embodiment of the present invention comprises: establishing, by a communication apparatus, a connection with a base station; allocating, by the base station, an uplink resource for use in transmission of location information of a vehicle before the location information is transmitted; and if the communication apparatus is required to transmit an emergency signal to the base station, transmitting the emergency signal using the allocated uplink resource.

公开(公告)号：US09883496B2

公开(公告)日：2018-01-30

申请号：US14382962

申请日：2013-02-28

Applicant: LG Electronics Inc.

Inventor： Hyeyoung Choi ,  Heejeong Cho ,  Jaehoon Chung

IPC: H04W72/04 ,  H04L5/00 ,  H04W76/02

CPC classification number: H04W72/042 ,  H04L5/0032 ,  H04W76/11

Abstract: According to an embodiment of the present invention, a method for a first terminal to receive control information from a second terminal for device to device communication includes the steps of: receiving downlink control information (DCI) format containing a link indicator; and obtaining selectively one of downlink allocation information and uplink permission information contained in the DCI format according to the link indicator, wherein the downlink allocation information indicates a resource region for receiving data from the second terminal, and the uplink permission information indicates a resource region for transmitting data to the second terminal.