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41.
公开(公告)号:US20190058572A1
公开(公告)日:2019-02-21
申请号:US15770685
申请日:2016-07-12
Applicant: LG ELECTRONICS INC.
Inventor: Sangrim LEE , Hojae LEE , Kwangseok NOH , Dongkyu KIM
Abstract: This method for a communication device to transmit/receive signals by using a TDD scheme in a wireless communication system may comprise the steps of: receiving information related to a guard period (GP) position in a data zone of a particular subframe; receiving downlink data in the data zone of the particular subframe on the basis of the information related to the GP position; and transmitting uplink data in the data zone of the particular subframe on the basis of the information related to the GP position.
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公开(公告)号:US20180309475A1
公开(公告)日:2018-10-25
申请号:US15770112
申请日:2015-10-21
Inventor: Dongkyu KIM , Donghyun LEE , Byung-Wook MIN , Kwangseok NOH
CPC classification number: H04B1/525 , H04B1/0475 , H04B15/02 , H04B17/19 , H04L5/14 , H04L25/0204 , H04L25/0224
Abstract: A method for an apparatus that supports full-duplex radio (FDR) communication controlling a self-interference duplication signal for removing self-interference comprises the steps of: transmitting two reference signals; and measuring the power of the two reference signals that arrive as self-interference signals; and a self-interference duplication generation unit for duplicating and generating a self-interference signal including three elements controlling two elements of the three elements based on the measured power of a first reference signal of the two reference signals, and controlling the remaining element based on the measured power of a second reference signal, wherein the three elements comprise a time delayer, a phase shifter and an attenuator, and the two reference signals are orthogonal to each other.
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43.
公开(公告)号:US20180213531A1
公开(公告)日:2018-07-26
申请号:US15745978
申请日:2016-05-24
Applicant: LG ELECTRONICS INC.
Inventor: Dongkyu KIM , Kwangseok NOH , Hyunsoo KO , Kukheon CHOI , Sangrim LEE
Abstract: A method for a terminal performing communication by using a time division duplex (TDD) structure in a wireless communication system comprises the step of performing communication by using a terminal-specific dynamic TDD frame, wherein the terminal-specific dynamic TDD frame comprises a first terminal-common subframe interval and a first terminal-specific subframe interval, wherein the first terminal-common subframe interval corresponds to a subframe interval that is commonly configured for terminals in the wireless communication system or terminals in a cell in which the terminal is included, and the first terminal-specific subframe interval may be formed of the first subframe an the second subframe in the terminal-specific TDD frame.
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44.
公开(公告)号:US20180152329A1
公开(公告)日:2018-05-31
申请号:US15578135
申请日:2016-01-27
Applicant: LG ELECTRONICS INC.
Inventor: Dongkyu KIM , Hyunsoo KO , Kwangseok NOH , Sangrim LEE , Hojae LEE
CPC classification number: H04L25/03821 , H04B3/32 , H04J11/0063 , H04L25/02 , H04L25/03 , H04L25/0328 , H04L25/03305 , H04L27/261 , H04L27/2691
Abstract: A method for performing self-interference cancellation by a communication device which uses an FDR mode can comprise the steps of: measuring the strength of a residual self-interference signal, after antenna and analog self-interference cancellation, for each subband with respect to a predetermined number of subbands configured in a communication device; determining the order of a nonlinear self-interference signal component, to be considered for channel estimation of a nonlinear self-interference signal, for each subband on the basis of the strength of the residual self-interference signal that has been measured for each subband; and performing channel estimation of the nonlinear self-interference signal on the basis of the order that has been determined for each subband.
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公开(公告)号:US20180083749A1
公开(公告)日:2018-03-22
申请号:US15559223
申请日:2015-10-14
Applicant: LG ELECTRONICS INC.
Inventor: Sangrim LEE , Hyunsoo KO , Kukheon CHOI , Kwangseok NOH , Dongkyu KIM
Abstract: A method for a base station to allocate resources for supporting a plurality of wireless communication modes in a wireless system according to the present invention comprises the steps of: allocating, using frequency-division multiplexing, a first zone composed of orthogonal frequency division multiplexing (OFDM) symbols and a second zone composed of generalized frequency division multiplexing (GFDM) symbols on time and frequency domains; and allocating a predetermined number of guard subcarriers to the boundary between the first zone and the second zone, wherein the predetermined number is determined on the basis of the number of sub-symbols of the GFDM symbols of the second zone.
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46.
公开(公告)号:US20180049154A1
公开(公告)日:2018-02-15
申请号:US15550345
申请日:2015-04-01
Applicant: LG ELECTRONICS INC.
Inventor: Kukheon CHOI , Hyunsoo KO , Kwangseok NOH , Dongkyu KIM , Sangrim LEE
CPC classification number: H04W64/006 , H01Q3/22 , H01Q3/26 , H04B7/0695 , H04B7/088 , H04W16/28 , H04W48/16 , H04W64/00 , H04W64/003 , H04W76/10
Abstract: The present invention provides a scanning method to reduce overhead in a millimeter wave (mmWave) scanning scheme by using position information of a terminal in a mmWave system, and devices supporting same. The method for the terminal performing mmWave beam scanning based on position information mmWave beam scanning based on position information of the terminal in the wireless access system supporting millimeter wave (mmWave) technology, according to one embodiment of the present invention, comprises the steps of: receiving, from a legacy base station, a position reference signal; calculating measurement information to calculate the position information of the terminal based on the positioning reference signal; transmitting the measurement information to the legacy base station; receiving, from a mmWave base station, first angle information generated based on the measurement information; determining a mmWave pCell by performing a first mmWave beam scanning based on the first angle information; and transmitting, to the mmWave pCell, a mmWave pilot signal for a second mmWave beam scanning.
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公开(公告)号:US20180048347A1
公开(公告)日:2018-02-15
申请号:US15555933
申请日:2016-07-07
Applicant: LG ELECTRONICS INC.
Inventor: Dongkyu KIM , Hyunsoo KO , Kwangseok NOH , Sangrim LEE , Hojae LEE
CPC classification number: H04B1/525 , H04B1/0475 , H04L5/0023 , H04L5/0048 , H04L5/0082 , H04L5/14 , H04L5/1461 , H04L25/0202 , H04L25/0226 , H04L27/261
Abstract: A method for a FDR scheme-using communication device transmitting reference signals for estimating a channel of a non-linear self-interference signal comprises the step of transmitting, on a specific symbol of a corresponding subframe, reference signals for estimating the channel of the non-linear self-interference signal, wherein a sequence mapped to the reference signals is a sequence generated in a frequency domain by being discrete Fourier transform (DFT)-converted, and the generated sequence may be mapped, on the frequency domain, to a RE for the reference signals.
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48.
公开(公告)号:US20180026773A1
公开(公告)日:2018-01-25
申请号:US15543950
申请日:2016-01-22
Applicant: LG ELECTRONICS INC.
Inventor: Dongkyu KIM , Hyunsoo KO , Kilbom LEE , Kukheon CHOI , Kwangseok NOH , Sangrim LEE
CPC classification number: H04L5/14 , H04B15/00 , H04L5/1461 , H04L25/0202 , H04L25/0226 , H04L27/26 , H04W84/045
Abstract: A method for estimating, by a device using an FDR scheme, a non-linear self-interference signal channel comprises a step of estimating a non-linear self-interference signal channel using a first sequence set included in a predefined first sequence set, wherein the predefined first sequence set is defined in consideration of non-linear self-interference signal components in an RF transmission chain and an RF reception chain of the device.
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公开(公告)号:US20180020457A1
公开(公告)日:2018-01-18
申请号:US15546869
申请日:2016-01-22
Applicant: LG ELECTRONICS INC.
Inventor: Kwangseok NOH , Hyunsoo KO , Kukheon CHOI , Dongkyu KIM , Sangrim LEE
CPC classification number: H04W72/082 , H04B17/24 , H04B17/345 , H04L5/0037 , H04L5/0053 , H04L5/0094 , H04L5/14 , H04W24/08 , H04W24/10 , H04W28/0236 , H04W52/241 , H04W72/0446 , H04W72/0453 , H04W88/08
Abstract: The present invention relates to a method and apparatus for allocating a resource by a base station in a wireless communication system supporting full-duplex communication. Specifically, the present invention comprises the steps of: transmitting, to a plurality of UEs, measurement information including time information and information on candidate sub-bands for measuring inter-device interference (IDI); receiving, from the plurality of UEs, IDI measurement results measured according to the measurement information; and performing resource allocation for the plurality of UEs on the basis of the IDI measurement results, wherein the information on candidate sub-bands includes at least one candidate sub-band configured for each of the plurality of UEs on the basis of channel measurement between the base station and the corresponding UE.
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50.
公开(公告)号:US20180013466A1
公开(公告)日:2018-01-11
申请号:US15545515
申请日:2015-10-21
Applicant: LG ELECTRONICS INC.
Inventor: Dongkyu KIM , Hyunsoo KO , Jaehoon CHUNG , Kukheon CHOI , Kwangseok NOH , Sangrim LEE
CPC classification number: H04B1/12 , H04B1/525 , H04B1/56 , H04B7/0857 , H04B15/02 , H04B17/14 , H04B17/345 , H04L5/0055 , H04L5/14 , H04L5/1461
Abstract: A method for removing a self-interference signal by a device supporting an FDR mode can further comprise the steps of: transmitting a signal to a counterpart node in a predetermined time interval; generating, in an RF stage of the device, a residual self-interference signal after removal of an analog self-interference signal with respect to the signal and then storing same; and receiving from the counterpart node a NACK signal with respect to the transmission of the signal; retransmitting the signal to the counterpart node; and, if decoding of the signal which has been received in the predetermined time interval is successful, using only a part of the stored residual self-interference signal when removing a digital self-interference signal on the basis of the retransmission.
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