公开(公告)号：US20190045456A1

公开(公告)日：2019-02-07

申请号：US16075117

申请日：2016-12-26

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W52/30 ,  H04W4/40 ,  H04W72/04

Abstract: A user equipment for performing multi-RAT concurrent transmission according to an embodiment of the present invention receives, from a base station, information on subframe sets and power management parameters to be applied to each of the subframe sets, sets the maximum transmission power of each of a first RAT signal and a second RAT signal using the power management parameters, and transmits at least one of the first RAT signal and the second RAT signal based on the set maximum transmission power. The subframe sets may include a first subframe set in which only transmission of the first RAT signal is allowed and a second subframe set in which multi-RAT concurrent transmission is allowed, and the power management parameters may include a parameter for limiting the maximum transmission power of the second RAT signal to be transmitted concurrently with the first RAT signal in the second subframe set.

公开(公告)号：US20180317109A1

公开(公告)日：2018-11-01

申请号：US15981002

申请日：2018-05-16

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO ,  Inkwon SEO

IPC: H04W24/08 ,  H04L5/00 ,  H04W72/04 ,  H04W72/08 ,  H04B17/345

CPC classification number: H04W24/08 ,  H04B17/345 ,  H04L5/0048 ,  H04L5/0073 ,  H04W72/042 ,  H04W72/082

Abstract: A method of measuring interference by a user equipment in a wireless communication system includes receiving a first interference measurement resource configuration for a first downlink subframe set and a second interference measurement resource configuration for a second downlink subframe set, being used to configure interference measurement resource for one channel state estimation process, receiving a usage change message for changing a usage of a radio resource, determining validity of the interference measurement resource as valid if the interference measurement resource exists in a transient period when the usage of the radio resource is changed from downlink to uplink by the usage change message, or if the interference measurement resource exists after the transient period when the usage of the radio resource is changed from uplink to downlink by the usage change message, and measuring interference on the interference measurement resource if the interference measurement resource is determined as valid.

公开(公告)号：US20180287765A1

公开(公告)日：2018-10-04

申请号：US16002657

申请日：2018-06-07

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO ,  Inkwon SEO

IPC: H04L5/00 ,  H04W72/04 ,  H04W24/08 ,  H04L5/14

Abstract: A method of reporting channel state information (CSI) by a user equipment (UE) in a wireless communication system includes receiving a configuration for CSI (channel state information)-resource containing at least one CSI resource set, wherein each of the at least one CSI resource set consist of CSI-RS (channel state information-reference signal) resources comprising at least one of NZP (non zero power) CSI-RS resource and CSI-IM (channel state information-interference measurement) resource, and measuring CSI resources within one of the at least one CSI resource set, according to the configuration for CSI resource.

公开(公告)号：US20180220481A1

公开(公告)日：2018-08-02

申请号：US15578866

申请日：2016-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hyukjin CHAE

IPC: H04W76/14 ,  H04L1/18 ,  H04W72/12

CPC classification number: H04W76/14 ,  H04L1/18 ,  H04L1/1816 ,  H04L5/00 ,  H04L25/03 ,  H04W72/121 ,  H04W72/1278 ,  H04W88/04

Abstract: A method, according to one embodiment of the present invention, for transmitting device-to-device (D2D) signals by a first terminal supporting D2D communications comprises the steps of: transmitting, to a second terminal, scheduling assignment (SA) information for scheduling D2D data; and transmitting the D2D data to the second terminal according to the SA information, wherein the D2D data are repeatedly transmitted by the first terminal, and the first terminal may request the second terminal to perform, together with the first terminal, repeated transmissions of the D2D data in a single frequency network (SFN) manner on the same time-frequency resource.

公开(公告)号：US20180175968A1

公开(公告)日：2018-06-21

申请号：US15755468

申请日：2016-09-05

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin SHIN ,  Kijun KIM ,  Hyungtae KIM ,  Inkwon SEO

IPC: H04L1/00 ,  H04B7/0456 ,  H04W52/06 ,  H04L5/00

CPC classification number: H04L1/0003 ,  H04B7/0456 ,  H04L5/0053 ,  H04L27/3488 ,  H04W52/06 ,  H04W52/143 ,  H04W52/346 ,  H04W72/042

Abstract: The present specification provides an operation method of a base station for transmitting and receiving a signal using non-orthogonal multiple access (NOMA) in a wireless communication system. The method comprises the steps of: setting a first modulation scheme and a first transmission power for a first signal to be transmitted to a first user equipment; setting a second modulation scheme and a second transmission power for a second signal to be transmitted to a second user equipment; overlapping the first signal and the second signal; and transmitting a signal obtained by overlapping, wherein the transmission of the overlapped signal uses an overlapping constellation defined in advance or configured by a predetermined notation.

公开(公告)号：US20180034528A1

公开(公告)日：2018-02-01

申请号：US15724830

申请日：2017-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO

IPC: H04B7/06 ,  H04L5/00 ,  H04L12/911 ,  H04L1/06

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0417 ,  H04L1/0693 ,  H04L5/0007 ,  H04L5/0057 ,  H04L47/70 ,  H04L47/78

Abstract: The present invention relates to a method for allowing a terminal to transmit cone or more pieces of channel state information (CSI) in a wireless communication system, and the method for transmitting the CSI comprises the steps of: determining CSI reference resources from a subframe which is to transmit the one or more pieces of CSI; and transmitting the one or more pieces of CSI measured in the CSI reference resources wherein the determination of the CSI reference resources uses measurement sets which include one or more interference measurement sets and one or more signal measurement sets, and if the CSI reference resources are included in an overlapping manner in two or more of the one or more interference measurement sets and the one or more signal measurement sets, a resource for measuring interference or a signal is separated within the CSI reference resources.

公开(公告)号：US20170339546A1

公开(公告)日：2017-11-23

申请号：US15525000

申请日：2015-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO

IPC: H04W8/00 ,  H04W24/10 ,  H04W48/16 ,  H04W56/00 ,  H04L27/26 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04W8/005 ,  H04L5/0053 ,  H04L27/2628 ,  H04W8/22 ,  H04W24/10 ,  H04W48/16 ,  H04W56/001 ,  H04W88/02 ,  H04W88/04 ,  H04W88/08

Abstract: A method for transmitting a signal by device to device (D2D) user equipment (UE) supporting D2D communication, according to one embodiment of the present invention, comprises the steps of: receiving, from a base station, a message which requests reporting of the UE category of the D2D UE; and reporting the D2D UE category for a D2D operation of the D2D UE, which is set independently of the UE category for communication with the base station, wherein the D2D UE category is set on the basis of the number of fast Fourier transform (FFT) operations for asynchronous D2D links which the D2D UE can simultaneously process, and the data rate for the asynchronous D2D links which the D2D UE can process per unit time.

公开(公告)号：US20170280403A1

公开(公告)日：2017-09-28

申请号：US15509469

申请日：2015-10-08

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Inkwon SEO

IPC: H04W56/00 ,  H04W92/18 ,  H04W76/02 ,  H04W8/00

CPC classification number: H04W56/001 ,  H04W8/005 ,  H04W56/00 ,  H04W76/14 ,  H04W92/18

Abstract: Disclosed is a method for transmitting a synchronization signal of device-to-device (D2D) communication. The method for transmitting a D2D synchronization signal of the present application may indicate the state of a terminal, the purpose of transmission of a primary D2D synchronization signal (PD2DSS), or whether to transmit a physical D2D shared channel (PD2DSCH), on the basis of an order in which root indexes of PD2DSSs are transmitted or the value of a root index used by a PD2DSS.

公开(公告)号：US20170273041A1

公开(公告)日：2017-09-21

申请号：US15505585

申请日：2015-08-25

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO

IPC: H04W56/00 ,  H04W76/02

CPC classification number: H04W56/001 ,  H04J11/00 ,  H04W56/00 ,  H04W76/14

Abstract: A method for a device to device (D2D) communication-supporting user equipment detecting a synchronization signal, according to one embodiment of the present invention, comprises the steps of: on the basis of a first index set having a plurality of root indexes on a Zadoff-Chu sequence, detecting a first synchronization signal transmitted by a network; and, on the basis of a second index set having a plurality of root indexes that are different from the first index set, detecting a second synchronization signal transmitted by a D2D synchronization source, wherein the total number of the root indexes of the second index set is configured to be the total number of the root indexes of the first index set −1.

公开(公告)号：US20170272299A1

公开(公告)日：2017-09-21

申请号：US15505554

申请日：2015-09-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Suhwan LIM ,  Hanbyul SEO ,  Hakseong KIM ,  Inkwon SEO

IPC: H04L27/26 ,  H04W52/54 ,  H04W76/02

Abstract: A terminal apparatus for a device-to-device (D2D) terminal in a wireless communication system, according to an embodiment of the present invention, comprises a transmission device and a reception device; and a processor, wherein the processor generates and transmits a primary sidelink synchronization signal (PSSS) and a secondary sidelink synchronization signal (SSSS), wherein, if a PSBCH is transmitted in a subframe in which the PSSS and the SSSS are being transmitted and is normal CP, the PSSS and a PSBCH on power is the average power of a period, in the subframe in which the PSSS and the SSSS are being transmitted, not including a transient period, wherein the transient period of a starting part of the period for the PSSS and PSBCH ON power is not overlapped with an OFDM symbol on which the PSSS is transmitted.