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561.
公开(公告)号:US20210352690A1
公开(公告)日:2021-11-11
申请号:US17279936
申请日:2019-09-27
Applicant: LG ELECTRONICS INC.
Inventor: Seokmin SHIN , Changhwan PARK , Joonkui AHN , Seunggye HWANG
Abstract: Provided is a method for receiving, by a user equipment (UE), a feedback from a base station in a wireless communication system supporting narrowband (NB)-internet of things (IoT). Specifically, the UE receives, from the base station, a preconfigured uplink (UL) resource (PUR) configuration via RRC signalling, transmits, to the base station, uplink data on the PUR when the UE is in an idle mode, and receive, from the base station, the feedback for the uplink data. The feedback is configured to be received on an NPDCCH after a specific time has passed from the PUR transmission.
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公开(公告)号:US20210345407A1
公开(公告)日:2021-11-04
申请号:US17267314
申请日:2019-08-09
Applicant: LG Electronics Inc.
Inventor: Sechang MYUNG , Seonwook KIM , Joonkui AHN , Suckchel YANG
Abstract: The present disclosure provides a method, performed by a user equipment (UE), for performing an initial access procedure in an unlicensed band, the method comprising: performing the initial access procedure with a base station; and performing transmission of a physical uplink shared channel (PUSCH) on the basis of the performing of the initial access procedure, wherein the UE obtains, from the base station, information about a listen before talk (LBT) type and information about a PUSCH starting position, and the UE performs the transmission of the PUSCH on the basis of the information about the LBT type and the information about the PUSCH starting position. The information about the PUSCH starting position is information indicating one position among a plurality of PUSCH starting position candidates. The information about the LBT type indicates one of a LBT type 1, a LBT type 2, and a LBT type 3. The UE performs random backoff-based LBT in the LBT type 1, the UE performs LBT without a random backoff in the LBT type 2, and the UE does not perform LBT in the LBT type 3.
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563.
公开(公告)号:US20210336819A1
公开(公告)日:2021-10-28
申请号:US17266424
申请日:2019-08-09
Applicant: LG ELECTRONICS INC.
Inventor: Jaehyung KIM , Seonwook KIM , Changhwan PARK , Seokmin SHIN , Joonkui AHN , Suckchel YANG , Seunggye HWANG
Abstract: Disclosed are a method for channel estimation in a wireless communication system, and a device therefor. Particularly, the method for estimating a channel by a terminal in a wireless communication comprises the steps for: receiving, from a base station, configuration information for channel estimation, the configuration information comprising relationship information related to the relationship between a cell-specific reference signal (CRS) and a demodulation-reference signal (DM-RS); receiving the CRS from the base station; receiving, from the base station, on a specific channel, the DM-RS and machine type communication (MTC) control information; estimating the specific channel by using the CRS and DM-RS, on the basis of the relationship information; and decoding the MTC control information via the estimated specific channel, wherein the relationship information comprises information about a pre-coding relationship between the CRS and DM-RS, and power ratio information of the CRS with respect to the DM-RS, and the power ratio information is information related to the power ratio between a CRS port and DM-RS port for an idle mode.
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公开(公告)号:US20210329591A1
公开(公告)日:2021-10-21
申请号:US17267472
申请日:2019-08-09
Applicant: LG ELECTRONICS INC.
Inventor: Seunggye HWANG , Changhwan PARK , Joonkui AHN
Abstract: Disclosed in the present invention are a method for operating a terminal and a base station in a wireless communication system supporting a narrowband Internet of Things (NB-IoT), and an apparatus supporting same. According to one embodiment applicable to the present invention, a terminal determines a time interval for receiving an NRS in a non-anchor carrier that is used for paging purposes, and receives the NRS in the time interval. The time interval may be determined on the basis of a specific PO among a plurality of POs related to the terminal.
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公开(公告)号:US20210315012A1
公开(公告)日:2021-10-07
申请号:US17261428
申请日:2019-08-05
Applicant: LG Electronics Inc.
Inventor: Sukhyon YOON , Seonwook KIM , Joonkui AHN , Kijun KIM
Abstract: The present invention discloses a method for a base station to transmit a radio link monitoring-reference signal (RLM-RS) in an unlicensed band. In particular, the method may divide a frequency band for the RLM-RS into a plurality of sub-bands, perform a channel clearance assessment (CCA) for each of the plurality of sub-bands, and transmit the RLM-RS via each of the plurality of sub-bands on the basis of the result of performing the CCA.
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公开(公告)号:US20210314939A1
公开(公告)日:2021-10-07
申请号:US17347739
申请日:2021-06-15
Applicant: LG ELECTRONICS INC.
Inventor: Jaehyung KIM , Seonwook KIM , Joonkui AHN , Suckchel YANG
Abstract: A method for transmitting multiple uplink control information (UCI) on a physical uplink control channel (PUCCH) in a wireless communication system is disclosed. More specifically, the method performed by a user equipment (UE) includes receiving, from a base station, first control information related to the PUCCH for transmitting the multiple UCI; determining a first parameter representing a number of coded bits for the multiple UCI based on the first control information, wherein the multiple UCI includes channel state information (CSI) including at least one of a first part or a second part; determining a size of the first part based on the first parameter and second control information related to the size determination of the first part; and transmitting, to the base station, the multiple UCI on the PUCCH.
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567.
公开(公告)号:US20210306182A1
公开(公告)日:2021-09-30
申请号:US17266949
申请日:2019-08-08
Applicant: LG ELECTRONICS INC.
Inventor: Jaehyung KIM , Seonwook KIM , Changhwan PARK , Seokmin SHIN , Joonkui AHN , Suckchel YANG , Seunggye HWANG
Abstract: The present specification provides a method for estimating a channel by a terminal in a wireless communication system supporting machine-type communication (MTC). Particularly, the terminal receives, from a base station, configuration information for receiving a cell-specific reference signal (CRS) and a dedicated demodulation reference signal (DMRS), and receives the CRS on the basis of the configuration information. The terminal then receives the DMRS and control information by means of an MTC physical downlink control channel (MPDCCH), performs channel estimation for the MPDCCH on the basis of the DMRS and the CRS, and demodulates the control information on the basis of the channel estimation, wherein one precoder among a plurality of candidate precoders applied to the CRS is applied to the DMRS.
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568.
公开(公告)号:US20210298090A1
公开(公告)日:2021-09-23
申请号:US17267378
申请日:2019-08-09
Applicant: LG Electronics Inc.
Inventor: Sechang MYUNG , Seonwook KIM , Joonkui AHN
IPC: H04W74/08
Abstract: A method for transmitting a random access channel (RACH) by a terminal in a wireless communication system is provided. The method comprises: receiving a synchronization signal block (SSB) from a base station; receiving a downlink signal from the base station; and when the reception of the downlink signal is finished, transmitting the RACH to the base station, wherein the SSB is periodically transmitted in every Nth fixed frame period (FFP), N is an integer equal to or greater than 1, and the starting time point for transmission of the SSB corresponds to a first time resource included in the every Nth FFP.
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公开(公告)号:US20210297969A1
公开(公告)日:2021-09-23
申请号:US17267364
申请日:2019-08-09
Applicant: LG Electronics Inc.
Inventor: Sechang MYUNG , Seonwook KIM , Joonkui AHN
Abstract: Provided is a synchronization signal block (SSB) transmission method performed by a communication device in a wireless communication system. The method is characterized in that: a time duration of a fixed frame period (FFP) is set for another communication device; and the SSB is periodically transmitted to the other communication device, wherein the SSB is periodically transmitted on each Nth FFP, said N being an integer greater than or equal to 1, and the transmission start time of the SSB is the first time resource included in each Nth FFP.
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公开(公告)号:US20210289492A1
公开(公告)日:2021-09-16
申请号:US17335886
申请日:2021-06-01
Applicant: LG ELECTRONICS INC.
Inventor: Suckchel YANG , Joonkui AHN , Bonghoe KIM
Abstract: The present invention relates to a wireless communication system. In detail, the invention relates to a method for a terminal to transmit a UCI in a carrier aggregation-based wireless communication system, and to an apparatus therefor, wherein the method involves the steps of: forming a first cell group having a PCell; forming a second cell group having one or more SCells; receiving one or more data in the second cell group; and transmitting HARQ-ACK information on the one or more data through a PUCCH, wherein, when the first and second cell groups are managed by an identical base station, the HARQ-ACK information is transmitted in the PCell, and, when the first and second cell groups are managed by different base stations, the HARQ-ACK information is transmitted in the second cell group.
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