公开(公告)号：US10045341B2

公开(公告)日：2018-08-07

申请号：US15106266

申请日：2014-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung Yi ,  Joonkui Ahn ,  Suckchel Yang ,  Hyangsun You

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

Abstract: A method and an apparatus for wireless communication in case of MTC are provided. The method comprises receiving a signal, wherein a control signal is received on a downlink control channel based on limited reception capacity of the UE and transmitting signals on a uplink channel based on the received signal via the downlink channel.

公开(公告)号：US10009882B2

公开(公告)日：2018-06-26

申请号：US14888901

申请日：2014-05-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Dongyoun Seo ,  Yunjung Yi ,  Joonkui Ahn ,  Suckchel Yang

IPC: H04W74/04 ,  H04W72/04 ,  H04W4/70 ,  H04L5/00 ,  H04W74/00 ,  H04W4/00

Abstract: According to one disclosure of the present specification, when a machine type communication (MTC) device is located in a coverage-expanded area of a base station, the MTC device repeatedly receives system information (for example, system information blocks (SIBs) of a first type) on several subframes and then combines and decodes the received SIBs, thereby improving a decoding success rate.

公开(公告)号：US09949167B2

公开(公告)日：2018-04-17

申请号：US15325708

申请日：2015-06-25

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Joonkui Ahn ,  Seonwook Kim

IPC: H04B1/00 ,  H04W28/04 ,  H04W24/02 ,  H04B17/345 ,  H04B17/24 ,  H04B17/336 ,  H04L1/00

CPC classification number: H04W28/04 ,  H04B17/24 ,  H04B17/336 ,  H04B17/345 ,  H04L1/0026 ,  H04W16/14 ,  H04W24/02 ,  H04W24/10

Abstract: Provided in one embodiment of the present invention is a method for measuring interference with user equipment (UE) using a licensed band and an unlicensed band, through carrier aggregation (CA) according to long term evolution-advanced (LTE-A). The method comprises the steps of: receiving, from a base station, configuration on the position of a resource for measuring interference in the unlicensed band; measuring, from the position of the resource on the unlicensed band, interference from a wireless LAN (WLAN), excluding interference from the LTE-A; and reporting the measured interference to the base station.

公开(公告)号：US09923674B2

公开(公告)日：2018-03-20

申请号：US15022854

申请日：2014-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Bonghoe Kim ,  Suckchel Yang ,  Yunjung Yi

IPC: H04L1/18 ,  H04W4/00 ,  H04W72/04

CPC classification number: H04L1/1861 ,  H04L1/189 ,  H04L1/1896 ,  H04W4/70 ,  H04W72/042

Abstract: A method is provided for transmitting uplink data. The method is performed by a machine type communication (MTC) device that transmits initially a bundle of repeated physical uplink shared channels (PUSCHs) including same uplink data to a base station on a plurality of uplink subframes, receives a hybrid automatic repeat request (HARQ) response signal from the base station in response to the bundle of repeated PUSCHs, receives an indication of a physical downlink shared channel (PDSCH) repetition number from the base station, determines a repetition number of a PUSCH including the same uplink data based on the indication, when the HARQ response signal is a negative-acknowledgement (NACK), and retransmits the bundle of repeated PUSCHs according to the determined repetition number of the PUSCH on the plurality of uplink subframes, to the base station. The indication is included in a modulation and coding scheme (MCS) field of a physical downlink control channel (PDCCH).

公开(公告)号：US09860890B2

公开(公告)日：2018-01-02

申请号：US15034628

申请日：2014-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Joonkui Ahn ,  Inkwon Seo ,  Suckchel Yang ,  Hanbyul Seo

IPC: H04W72/04 ,  H04B7/26 ,  H04L5/00 ,  H04L27/26 ,  H04W4/00 ,  H04W92/18

CPC classification number: H04W72/042 ,  H04B7/2671 ,  H04L1/0038 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04W4/70 ,  H04W72/0446 ,  H04W92/18

Abstract: One disclosure of the present specification provides a method for receiving EPDCCH by an MTC device. The method comprises: a step for determining a first search space and a second search space for receiving EPDCCH on a first subframe and a second subframe, respectively, from among N-number of subframes, if a bundle of EPDCCHs in which the same EPDCCH is repeated on the N-number of subframes should be received, wherein each of the first and second search spaces is determined on the basis of the number of EPDCCH candidates, and determined by any one of a first case, a second case and a third case classified on the basis of a DCI format and whether a CP being used is a normal CP or an extended CP; and a step for decoding the EPDCCH in the second search space if the cases for determining the first search space and the second search space are the same.

公开(公告)号：US09844036B2

公开(公告)日：2017-12-12

申请号：US14758947

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun Seo ,  Bonghoe Kim ,  Joonkui Ahn ,  Hanbyul Seo ,  Hyangsun You ,  Yunjung Yi

IPC: H04W72/04 ,  H04W4/00 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04W72/0413 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0046 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04L5/14 ,  H04W4/70 ,  H04W72/0446

Abstract: Provided are a data transmission method for a terminal in a wireless communication system, and a terminal using the method. The terminal determines the number of information bits transmitted via a physical uplink shared channel (PUSCH), determines the energies respectively distributed to a reference signal and data comprising the information bits in accordance with the number of information bits, and transmits the reference signal and the data at the respective determined energies.

公开(公告)号：US09756656B2

公开(公告)日：2017-09-05

申请号：US14430730

申请日：2014-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Joonkui Ahn ,  Dongyoun Seo

IPC: H04W74/00 ,  H04L1/18 ,  H04W72/04 ,  H04B17/318 ,  H04W28/06 ,  H04L5/00 ,  H04W88/08

CPC classification number: H04W74/006 ,  H04B17/318 ,  H04L1/1864 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0094 ,  H04W28/06 ,  H04W72/044 ,  H04W88/08

Abstract: The present invention provides a method and an apparatus for reducing the amount of upper layer signals. Also, the present invention provides a method and an apparatus comprising: defining a new identifier for transmitting an upper layer signal for user equipment in a specific mode; and transmitting the upper layer signal by means of scrambling by using the new identifier, transmitting along with an error detection sign by using the new identifier, transmitting by using a user equipment-specific reference signal by using the new identifier, or transmitting based on control information transmitted by using the new identifier.

公开(公告)号：US09730250B2

公开(公告)日：2017-08-08

申请号：US14782736

申请日：2014-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Suckchel Yang

IPC: H04W4/00 ,  H04W74/08 ,  H04W88/04 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04W74/002 ,  H04W88/04 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/24 ,  Y02D70/25

Abstract: The present invention provides a method and user equipment for transmitting an uplink signal capable of enhancing coverage while conserving energy by separating a cell for receiving a downlink from a cell for transmitting an uplink.

公开(公告)号：US09603163B2

公开(公告)日：2017-03-21

申请号：US14439727

申请日：2013-11-01

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung Yi ,  Joonkui Ahn ,  Hyangsun You ,  Bonghoe Kim ,  Dongyoun Seo

IPC: H04W72/12 ,  H04L1/18 ,  H04W72/04 ,  H04L1/00

CPC classification number: H04W72/1289 ,  H04L1/1851 ,  H04L1/1861 ,  H04L2001/0093 ,  H04W72/042 ,  H04W72/121

Abstract: A method for and apparatus for supporting scheduling groups based on devices characteristics in a wireless communication system is provided. A wireless device receives a group identification (ID) to monitor a physical downlink control channel (PDCCH) for Machine Type Communication (MTC), receives the PDCCH with the group ID at a predetermined subframe, and configures a physical downlink shared chancel (PDSCH) and a physical uplink shared chancel (PUSCH) shared with MTC UEs by the PDCCH of grant. And, more efficient and accurate scheduling with lower complexity and reduction of control overhead, for multi-UEs is provided in this invention.

公开(公告)号：US09602258B2

公开(公告)日：2017-03-21

申请号：US14384574

申请日：2013-03-25

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe Kim ,  Dongyoun Seo ,  Hyangsun You ,  Joonkui Ahn

IPC: H04L5/00 ,  H04J11/00 ,  H04L27/26

CPC classification number: H04L27/2649 ,  H04J11/0069 ,  H04J11/0073 ,  H04J11/0076 ,  H04J2211/005 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/006 ,  H04L27/2613

Abstract: Disclosed are a method and an apparatus for transmitting a reference signal. The method for transmitting the reference signal comprises the step of: transmitting a secondary synchronization signal (SSS) and a primary synchronization signal (PSS) from a subframe including an N (natural number wherein N>1) number of resource blocks (RB) and a plurality of orthogonal frequency division multiplexing (OFDM) symbols; and transmitting from the subframe the reference signal which is generated on the basis of a cell identifier, wherein the reference signal can be transmitted from an M (natural number wherein K