公开(公告)号：US20170294958A1

公开(公告)日：2017-10-12

申请号：US15516006

申请日：2015-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Byounghoon KIM ,  Seonwook KIM

IPC: H04B7/26 ,  H04L29/12 ,  H04B1/00 ,  H04B1/707 ,  H04W74/08 ,  H04W28/26

CPC classification number: H04B7/2634 ,  H04B1/0057 ,  H04B1/707 ,  H04L29/12254 ,  H04L61/2038 ,  H04W16/14 ,  H04W28/26 ,  H04W74/08 ,  H04W74/0816

Abstract: A communication method and device in an unlicensed band are provided. The device transmits a reservation signal for reserving a resource reservation period (RRP) which is to occupy a wireless channel for data transmission in an idle channel. The device transmits a data packet during the RRP.

公开(公告)号：US20170289973A1

公开(公告)日：2017-10-05

申请号：US15507983

申请日：2015-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Yunjung YI

IPC: H04W72/04 ,  H04L27/26

CPC classification number: H04W72/042 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/26 ,  H04W72/0453

Abstract: Provided are a user equipment configured to be operated within a particular predetermined band smaller than the entire system band and a base station supporting the user equipment. A reference signal and a downlink control channel on the basis of the reference signal are transmitted to the user equipment within the particular band in a subframe. The downlink control channel is transmitted within one or more orthogonal frequency division multiplexing (OFDM) symbols except a predetermined number of leading OFDM symbols among OFDM symbols in the subframe. The reference signal is transmitted in at least one of the one or more OFDM symbols.

公开(公告)号：US20170289936A1

公开(公告)日：2017-10-05

申请号：US15509015

申请日：2015-09-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Joonkui AHN ,  Hanbyul SEO

IPC: H04W56/00 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W56/001 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0096 ,  H04L25/03866 ,  H04L27/26 ,  H04L27/2613 ,  H04W72/042 ,  H04W72/0446 ,  H04W88/02 ,  H04W88/08

Abstract: A method for signal transmission and reception on an unlicensed band by a terminal in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: receiving a reference signal that has been generated from a scrambling sequence having initial values that vary every 10 subframes; and receiving a downlink signal on the basis of the reference signal, wherein the seed value of the variation pattern of the initial values are determined on the basis of an operator of a base station that transmits the downlink signal on the unlicensed band.

公开(公告)号：US20170238268A1

公开(公告)日：2017-08-17

申请号：US15502778

申请日：2015-08-07

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN

IPC: H04W52/36 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W52/367 ,  H04L5/0005 ,  H04L5/001 ,  H04L5/0048 ,  H04W52/146 ,  H04W52/325 ,  H04W52/34 ,  H04W52/346 ,  H04W72/0413 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system and, particularly, to a method and an apparatus for the same, the method comprising: mapping, in an SF, a first set of physical channels over all symbols; mapping, in the SF, a second set of physical channels over all remaining symbols, excluding the last symbol; reducing transmission power of the first set of physical channels such that the sum of transmission powers of the first and second sets of physical channels does not exceed a maximum power value; dropping, in the SF, an SRS transmission when the sum of the reduced transmission power of the first physical channel and SRS transmission power exceeds the maximum power value; and performing, in the SF, an SRS transmission when the sum of the reduced transmission power of the first physical channel and SRS transmission power does not exceed the maximum power value.

公开(公告)号：US20170230970A1

公开(公告)日：2017-08-10

申请号：US15328837

申请日：2015-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Suckchel YANG ,  Kijun KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W72/04 ,  H04W74/08 ,  H04W16/14

CPC classification number: H04W72/0446 ,  H04L5/0048 ,  H04W16/14 ,  H04W28/26 ,  H04W74/08 ,  H04W74/0808 ,  H04W74/0816

Abstract: The present disclosure relates to a wireless access system supporting an unlicensed band, and provides a method for configuring a transmission opportunity period (TxOP) and devices for supporting the same. The method for configuring a TxOP in a wireless access system supporting an unlicensed band, according to one embodiment of the present disclosure, can comprise the steps of: performing a carrier sensing step for checking whether a secondary cell (SCell) constituted in an unlicensed band is in an idle state; transmitting a reservation signal for a predetermined amount of time if the SCell is in the idle state; and configuring a TxOP in the SCell. At this time, a start point of a first subframe (SF) included in the TxOP can be matched to a subframe, a slot or symbol boundary of a primary cell (PCell) constituted in a licensed band.

公开(公告)号：US20170215157A1

公开(公告)日：2017-07-27

申请号：US15326010

申请日：2015-08-06

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Seungmin LEE ,  Seonwook KIM

IPC: H04W52/36 ,  H04L5/14 ,  H04B7/06 ,  H04W72/04

CPC classification number: H04W52/367 ,  H04B7/0626 ,  H04B7/26 ,  H04L1/18 ,  H04L1/1864 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/14 ,  H04L5/1469 ,  H04L27/2601 ,  H04W16/14 ,  H04W52/146 ,  H04W52/281 ,  H04W52/34 ,  H04W52/365 ,  H04W52/38 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0473

Abstract: The present invention provides a method and a device for controlling uplink transmission on a first cell set in a licensed band and a second cell set in an unlicensed band. In one embodiment of the present invention, when the sum of transmission power required for the first cell and transmission power required for the second cell exceeds maximum power set in user equipment, the transmission power is preferentially allocated to the first cell over the second cell, and the uplink transmission is performed on the first cell within the residual power or the uplink transmission is omitted or dropped.

公开(公告)号：US20170208627A1

公开(公告)日：2017-07-20

申请号：US15324664

申请日：2015-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Yunjung YI ,  Joonkui AHN ,  Hanbyul SEO ,  Jonghyun PARK

IPC: H04W74/08 ,  H04W72/04 ,  H04W72/12

CPC classification number: H04W74/0816 ,  H04J11/00 ,  H04L5/001 ,  H04L5/0091 ,  H04L5/0098 ,  H04W72/0446 ,  H04W72/1289 ,  H04W84/12

Abstract: Provided in one embodiment of the present invention is a method for receiving data through an unlicensed band. The method is a method for receiving data using a terminal using both a licensed band and an unlicensed band, for the purpose of communicating with a mobile communication base station, and comprises the steps of: transmitting through the unlicensed band, a Clear To Send (CTS) frame defined by a wireless LAN (WLAN), before receiving a data channel from the mobile communication base station; and a specific frame or a specific subframe receiving, through the unlicensed band and from the mobile communication base station, a data channel, after transmitting the CTS frame, wherein the specific frame or the specific subframe by which the data channel is received can be a frame or a subframe used in a mobile communication system which is operated on the licensed band.

公开(公告)号：US20170202019A1

公开(公告)日：2017-07-13

申请号：US15324251

申请日：2015-07-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Yunjung YI ,  Joonkui AHN ,  Hanbyul SEO ,  Jonghyun PARK

IPC: H04W74/08 ,  H04W16/14 ,  H04W72/04

CPC classification number: H04W74/0808 ,  H04W16/14 ,  H04W48/10 ,  H04W72/0453 ,  H04W74/006 ,  H04W84/12 ,  H04W88/08

Abstract: A method according to the disclosure of the present specification may include the steps of: acquiring information about an operating channel of at least one BSS located in the neighboring area of a terminal, from a beacon signal periodically transmitted by at least one AP included in a wireless LAN system; reporting the information about the operating channel to a mobile communication base station; receiving information about a first channel bandwidth included in an unlicensed band from the mobile communication base station, wherein the information about the first channel bandwidth is acquired on the basis of the information about the operating channel by the mobile communication base station; transmitting a CTS frame defined in the wireless LAN system on the first channel bandwidth; and receiving a data channel from the mobile communication base station through an LTE frame, on a second channel bandwidth included in the unlicensed bandwidth.

公开(公告)号：US20170188316A1

公开(公告)日：2017-06-29

申请号：US15305062

申请日：2015-04-15

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul SEO ,  Byounghoon KIM ,  Joonkui AHN ,  Yunjung YI

IPC: H04W52/36 ,  H04W72/04 ,  H04W24/10

CPC classification number: H04W52/367 ,  H04W24/10 ,  H04W52/36 ,  H04W52/365 ,  H04W52/383 ,  H04W72/0473 ,  H04W88/02 ,  H04W88/12

Abstract: Disclosed is a method for performing, by a device, power reporting to a base station for a direct device to device communication in a wireless communication system. Specifically, the method comprises the steps of: receiving a transmit power control (TPC) command for a direct device to device communication from the base station; sending a direct device to device communication signal by determining the transmit power of a direct device to device communication according to the TPC command; and reporting the difference between the determined transmit power and a certain power to the base station.

公开(公告)号：US20170164407A1

公开(公告)日：2017-06-08

申请号：US15316023

申请日：2015-06-26

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN

IPC: H04W74/08 ,  H04W28/06 ,  H04W48/16

CPC classification number: H04W74/0833 ,  H04W4/06 ,  H04W28/06 ,  H04W48/16 ,  H04W72/005 ,  H04W74/0891

Abstract: The present invention relates to a method for receiving control information for a multimedia broadcast service (MBMS) in a wireless communication system supporting the carrier aggregation among a plurality of cells including a first cell and a second cell, and a device therefor. More specifically, the present invention relates to a method comprising the steps of: receiving information for multicast broadcast single frequency network (MBSFN) configuration through upper layer signaling, wherein the information includes information indicating an MBSFN subframe, information indicating subframes of a first group within the MBSFN subframe, and information indicating subframes of a second group within the MBSFN subframe; receiving multicast control channel (MCCH) information, which has been updated through a physical multicast channel (PMCH), on the first cell when a PDCCH for notifying of a change in a MCCH is received in one subframe among the subframes of the first group on the first cell; and receiving MCCH information, which has been updated through the PMCH, on the second cell when the PDCCH for notifying of the change in the MCCH is received in one subframe among the subframes of the second group on the first cell, and the device therefor.