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公开(公告)号:US20180249484A1
公开(公告)日:2018-08-30
申请号:US15757314
申请日:2016-07-12
Applicant: LG ELECTRONICS INC.
Inventor: Seonwook KIM , Joonkui AHN , Suckchel YANG , Kijun KIM , Byounghoon KIM , Hanbyul SEO , Hanjun PARK , Daesung HWANG
Abstract: The present invention relates to a wireless access system supporting an unlicensed band, various methods for adjusting a contention window size, methods for performing a carrier sensing process in a single engine and a multi-engine, and an apparatus supporting the same. As one embodiment of the invention, a method for adjusting a contention window size (CWS) in a wireless access system supporting an unlicensed band may comprise: a step of setting a contention window size (CWS) necessary for performing a channel access process for each of priority classes; a step of performing a channel access process for a particular priority class in a channel in an unlicensed band on the basis of the set CWS; a step of performing a downlink transmission related to the particular priority class if it is determined that the channel in the unlicensed band is in an idle state as a result of the channel access process; and a step of making adjustments for all CWS' of priority classes if a triggering event, which relates to a downlink transmission and increases or reduces the CWS for the particular priority class, occurs.
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公开(公告)号:US20180212717A1
公开(公告)日:2018-07-26
申请号:US15747006
申请日:2016-09-09
Applicant: LG ELECTRONICS INC.
Inventor: Suckchel YANG , Joonkui AHN , Daesung HWANG
CPC classification number: H04L1/1812 , H04L1/1861 , H04L5/00 , H04L5/0055 , H04W72/042 , H04W76/28
Abstract: The present invention presents a method for transmitting a broadcast signal. The method for transmitting the broadcast signal, according to the present invention, presents a system capable of supporting next-generation hybrid broadcast using a terrestrial broadcast network and the internet network. In addition, presented is an efficient signaling method capable of covering both the terrestrial broadcast network and the internet network in the environment supporting the next-generation hybrid broadcast.
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253.
公开(公告)号:US20180206223A1
公开(公告)日:2018-07-19
申请号:US15741583
申请日:2016-07-08
Applicant: LG ELECTRONICS INC.
Inventor: Hyungtae KIM , Kijun KIM , Jonghyun PARK , Daesung HWANG , Bonghoe KIM
IPC: H04W72/04
CPC classification number: H04W72/0413 , H04B7/0417 , H04W28/06 , H04W72/044 , H04W88/02
Abstract: Disclosed in the present application is a method for transmitting, by a terminal, uplink control information to a base station in a wireless communication system. In detail, the method includes the steps of: periodically transmitting, to a base station, first uplink control information including channel status information; and transmitting, to the base station, second unlink control information including response information to downlink data, wherein when the first uplink control information and the second uplink control information are transmitted at the same time, the channel status information is characterized in being included in the second uplink control information and the first uplink control information and the second uplink control information are characterized in being transmitted together with a first indicator for indicating whether the response information is included.
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254.
公开(公告)号:US20180152901A1
公开(公告)日:2018-05-31
申请号:US15878956
申请日:2018-01-24
Applicant: LG ELECTRONICS INC.
Inventor: Daesung HWANG , Yunjung YI , Joonkui AHN
CPC classification number: H04W52/325 , H04W52/0206 , H04W52/34 , H04W52/365 , Y02D70/00 , Y02D70/1242 , Y02D70/1262 , Y02D70/1264 , Y02D70/23
Abstract: One disclosure of the present specification provides a method for receiving downlink data in a wireless communication system supporting 256 QAM. The method for receiving downlink data in a wireless communication system supporting 256 QAM comprises the steps of: receiving configuration information about power back-off; receiving downlink data transmitted on the basis of the configuration information about power back-off; and demodulating the received downlink data on the basis of the configuration information about power back-off, wherein the configuration information about power back-off may comprise information related to at least one of the following: whether to apply power back-off, the reduced amount of power of downlink data by power back-off, a frame index to which power back-off is applied, a subframe index and a resource to which power back-off is applied.
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公开(公告)号:US20180035472A1
公开(公告)日:2018-02-01
申请号:US15782323
申请日:2017-10-12
Applicant: LG ELECTRONICS INC.
Inventor: Daesung HWANG , Yunjung YI , Suckchel YANG
CPC classification number: H04W74/0833 , H04W52/146 , H04W52/244 , H04W52/34 , H04W52/50 , H04W74/04 , H04W74/08 , H04W76/15 , H04W84/045
Abstract: One embodiment of the present specification provides a method for performing a random access procedure. The method can comprise the steps of: generating a random access preamble to a first cell; generating a random access preamble to a second cell; determining whether the random access preamble to the first cell and the random access preamble to the second cell are triggered so as to be simultaneously transmitted in the same subframe; selecting the random access preamble to any one of the cells according to a pre-set priority when triggered so as to be simultaneously transmitted; and transmitting the any one selected random access preamble.
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公开(公告)号:US20180006864A1
公开(公告)日:2018-01-04
申请号:US15541214
申请日:2016-01-12
Applicant: LG ELECTRONICS INC.
Inventor: Daesung HWANG , Kijun KIM , Bonghoe KIM , Yunjung YI
IPC: H04L27/26
CPC classification number: H04L27/2649 , H04L5/001 , H04L5/0012 , H04L5/0023 , H04L5/0048 , H04L5/0094 , H04L5/14 , H04L27/261 , H04L27/2613
Abstract: One embodiment of the present specification provides a method by which a machine type communication (MTC) device configured to operate only in some bands among the system bands of a cell transmits a demodulation reference signal (DMRS) for the demodulation of uplink data. The method can comprise the steps of: selecting any one DMRS sequence among a plurality of sets of DMRS sequences having a length M according to a group hopping number and allocation area information of a sub-physical resource block (PRB), when an uplink signal is transmitted through the sub-PRB including the M number of subcarriers which is less than twelve subcarriers; and mapping the selected DMRS sequence on the M number of subcarriers of the sub-PRB, and transmitting the same.
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257.
公开(公告)号:US20170374659A1
公开(公告)日:2017-12-28
申请号:US15634414
申请日:2017-06-27
Applicant: LG ELECTRONICS INC.
Inventor: Daesung HWANG , Suckchel YANG
CPC classification number: H04W72/0413 , H04L1/0606 , H04L5/0026 , H04L5/0048 , H04L5/0053
Abstract: A method for transmitting an uplink control channel from a UE to an eNB in a wireless communication system is disclosed. The method comprises the steps of classifying each of a plurality of resource blocks allocated to a system bandwidth into a plurality of sub-resource blocks; mapping the uplink control channel into a first sub-resource block of a minimum index and a second sub-resource block of a maximum index in accordance with a transmission diversity scheme; and transmitting the uplink control channel to the eNB.
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258.
公开(公告)号:US20170325176A1
公开(公告)日:2017-11-09
申请号:US15658754
申请日:2017-07-25
Applicant: LG ELECTRONICS INC.
Inventor: Daesung HWANG , Yunjung YI , Joonkui AHN , Suckchel YANG
CPC classification number: H04W52/146 , H04W52/288 , H04W52/34 , H04W76/15
Abstract: A method for performing a power scaling, the method performed by a user equipment (UE) configured with dual connectivity and the method includes determining, by the UE, an uplink transmission power to a first cell group including a first cell; determining, by the UE, an uplink transmission power to a second cell group including a second cell; and performing, by the UE, a power scaling for at least one of the determined uplink transmission power of the first cell group and the second cell group, wherein the power scaling is performed for at least one of a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH) including a hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative-acknowledgement (NACK) signal or a scheduling request (SR).
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公开(公告)号:US20170237541A1
公开(公告)日:2017-08-17
申请号:US15587071
申请日:2017-05-04
Applicant: LG ELECTRONICS INC.
Inventor: Dongyoun SEO , Joonkui AHN , Suckchel YANG , Yunjung YI , Daesung HWANG
Abstract: Provided are a method for transmitting an ACK/NACK by a terminal configured with a plurality of serving cells, and a terminal using such a method. The method comprises: receiving data from a downlink subframe of a first serving cell; and transmitting the data for the ACK/NACK signal from an uplink subframe of a second serving cell; wherein the uplink subframe is determined in accordance with the ACK/NACK timing of the first serving cell, or the ACK/NACK timing of the second serving cell if the data is received from a downlink subframe of the second serving cell, which is identical to the downlink subframe of the first serving cell.
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公开(公告)号:US20160302235A1
公开(公告)日:2016-10-13
申请号:US15037657
申请日:2014-10-16
Applicant: LG ELECTRONICS INC.
Inventor: Daesung HWANG , Yunjung YI , Suckchel YANG
CPC classification number: H04W74/0833 , H04W52/146 , H04W52/244 , H04W52/34 , H04W52/50 , H04W74/04 , H04W74/08 , H04W76/15 , H04W84/045
Abstract: One embodiment of the present specification provides a method for performing a random access procedure. The method can comprise the steps of: generating a random access preamble to a first cell; generating a random access preamble to a second cell; determining whether the random access preamble to the first cell and the random access preamble to the second cell are triggered so as to be simultaneously transmitted in the same subframe; selecting the random access preamble to any one of the cells according to a pre-set priority when triggered so as to be simultaneously transmitted; and transmitting the any one selected random access preamble.
Abstract translation: 本说明书的一个实施例提供了一种用于执行随机访问过程的方法。 该方法可以包括以下步骤:为第一小区生成随机接入前导码; 生成对第二小区的随机接入前同步码; 确定第一小区的随机接入前导码和第二小区的随机接入前导码是否被触发,以便在同一子帧中同时发送; 在触发时根据预定优先级对所述小区中的任何一个小区进行随机接入前导码同时发送; 以及发送任何一个选择的随机接入前同步码。
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