Lg Electronics Inc.

Seongwon Go

Jiwon Kang

Jonghyun Park

Hyungtae Kim

Haewook Park

Jaehoon Chung

Sukhyon Yoon

Kyuseok Kim

Suckchel Yang

Kijun Kim

Seonwook Kim

A method and an apparatus for uplink/downlink transmission and reception based on a beam linkage state in a wireless communication system are disclosed. A method for performing uplink transmission or downlink reception according to an embodiment of the present disclosure may comprise: receiving, from a base station (BS), information on a beam linkage state (BLS), wherein the BLS includes information on a mapping relation between reference transmission and reception and at least one target transmission and reception; receiving, from the BS, information on a first spatial parameter for the reference transmission and reception which is related to a specific BLS; and performing the uplink transmission or the downlink reception based on a second spatial parameter corresponding to the first spatial parameter.

Method and apparatus for uplink/downlink transmission/reception on basis of beam linkage state in wireless communication system

Disclosed are a method and apparatus for transmitting and receiving an uplink in a wireless communication system. The method for transmitting an uplink according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, configuration information associated with a pathloss reference signal (PL RS) of the uplink; receiving, from the base station, control information for updating a first PL RS; and transmitting the uplink to the base station, on the basis of an updated second PL RS. PL RSs for all uplinks that refer to the first PL RS may be updated to the second PL RS.

Method and apparatus for transmitting and receiving uplink in wireless communication system

A method and an apparatus for transmitting and receiving a signal based on a spatial parameter in a wireless communication system are disclosed. A method of performing downlink reception or uplink transmission by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving first downlink control information (DCI) including information on a spatial parameter; and performing the downlink reception or the uplink transmission, based on the spatial parameter included in the first DCI, and based on that the downlink reception is second DCI, a spatial parameter corresponding to the spatial parameter included in the first DCI may be applied for at least one specific control resource set (CORESET) among at least one CORESET configured for the UE.

Method and device for transmitting/receiving signal on basis of spatial parameters in wireless communication system

A method for transmitting a sounding reference signal (SRS) by a terminal in a wireless communication system according to an embodiment of the present specification comprises the steps of: receiving configuration information relating to transmission of a sounding reference signal (SRS); receiving downlink control information (DCI) triggering the transmission of the SRS; and transmitting the SRS. The SRS is based on at least one of a first SRS and a second SRS configured in a region different from that of the first SRS, and the second SRS is transmitted on the basis of a configuration relating to the timing of transmission of the first SRS.

Method and apparatus for transmitting or receiving sounding reference signal in wireless communication system

Disclosed are a method and device for transmitting/receiving sounding reference signals in a wireless communication system. A method for transmitting sounding reference signal (SRS) according to an embodiment of the present disclosure comprises the steps of: receiving configuration information related to N (N is a natural number) SRS resource sets from a base station; receiving, from the base station, downlink control information (DCI) for triggering the transmission of SRSs on M (M≤N, M is a natural number) SRS resource sets among the N SRS resource sets; and transmitting the SRSs on SRS resources of each of the M SRS resource sets to the base station. The M SRS resource sets may each be related to a different panel of the terminal.

Method and device for transmitting/receiving sounding reference signals in wireless communication system

A method and an apparatus for uplink transmission and reception based on a spatial parameter in a wireless communication system are disclosed. A method for performing uplink transmission by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station (BS), information on a specific spatial parameter among spatial parameter candidates including at least one of a first set of spatial parameters or a second set of spatial parameters; and performing the uplink transmission, to the BS, based on the specific spatial parameter, and the first set of spatial parameter may include at least one spatial parameter candidate related to a first cell and a first type of a reference signal (RS).

Method and apparatus for uplink transmission or reception based on spatial parameter in wireless communication system

A method for transmitting an uplink signal by means of a terminal in a wireless communication system, according to one embodiment of the present specification, comprises: receiving configuration information related to transmission of the uplink signal; receiving a message indicating an update of a panel related to the uplink signal; and transmitting the uplink signal on the basis of the configuration information and the message. On the basis of a specific panel being updated to a first panel through the message, the specific panel being configured in at least one specific uplink resource among uplink resources, a beam being configured in the at least one specific uplink resource is updated to a specific beam.

Method for transmitting and receiving uplink signal in wireless communications system, and device therefor

A method and device for performing beam failure recovery in a wireless communication system. A method performed by a user equipment (UE) in a wireless communication system may include: based on a beam failure being detected for at least one of two beam failure detection (BFD)-reference signal (RS) sets configured for at least one serving cell among a plurality of serving cells, triggering at least one beam failure recovery (BFR) procedure for the at least one of the two BFD-RS sets; based on the at least one BFR being triggered and not cancelled for a first secondary cell (SCell) among the at least one serving cell, generating an enhanced BFR media access control (MAC)-control element (CE) based on at least one available uplink-shared channel (UL-SCH) resource; and transmitting, to a base station, the enhanced BFR MAC-CE.

Method and device for recovering beam failure in wireless communication system

A method by which a terminal transmits an uplink signal in a wireless communication system, according to one embodiment of the present specification, comprises the steps of: receiving configuration information related to the transmission of the uplink signal; and transmitting the uplink signal on the basis of the configuration information. The configuration information includes a transmission configuration indicator state (TCI state). The uplink signal is transmitted on the basis of a specific panel and/or a specific spatial domain filter, according to the TCI state in which the panel ID and/or the reference RS is not configured.

Method for transmitting and receiving uplink signal in wireless communication system, and device therefor

A method of transmitting, by a user equipment (UE), a physical uplink shared channel (PUSCH) in a wireless communication system is disclosed. The method comprises receiving configuration information related to the PUSCH, receiving downlink control information (DCI) scheduling the PUSCH, and transmitting the PUSCH based on the DCI. The DCI includes a specific field. Based on that the specific field represents at least one SRS resource related to a simultaneous transmission across multi-panel (ST×MP), the PUSCH is transmitted based on a plurality of panels.

Method and apparatus for transmitting and receiving physical uplink shared channel in wireless communication system

A method for performing a beam failure recovery procedure in a wireless communication system according to an embodiment of the present disclosure, the method performed by a user equipment (UE) includes receiving configuration information related to the BFR, receiving a downlink reference signal (DL RS) based on the configuration information, detecting a beam failure based on measurement for the DL RS, and transmitting a request message for the BFR. The request message for the BFR is transmitted based on a PUCCH resource related to a scheduling request (SR). 1) The PUCCH resource related to the SR is one of a plurality of PUCCH resources configured for the beam failure recovery, and 2) the beam failure is based on being related to one or more cells: the PUCCH resource related to the SR is a specific PUCCH resource determined based on a preconfigured criterion among the plurality of PUCCH resources.

Method for performing beam failure recovery procedure in wireless communication system and device therefor

A method for transmitting a physical uplink shared channel (PUSCH) by a terminal in a wireless communication system according to an embodiment of the present specification comprises the step of: receiving sounding reference signal (SRS)-related configuration information; receiving downlink control information (DCI) for scheduling a first PUSCH; transmitting the first PUSCH on the basis of the DCI; and transmitting a second PUSCH.

Method and apparatus for transmitting/receiving physical uplink shared channel in wireless communication system

A method of transmitting an uplink signal by a user equipment in a wireless communication system includes receiving configuration information related to transmission of an uplink signal and transmitting the uplink signal based on the configuration information. The configuration information includes information indicating a specific beam related to a maximum permissible exposure (MPE) of a radio frequency (RF), and the transmission of the uplink signal is based on the specific beam.

Method for transmitting and receiving uplink signal in wireless communication system, and apparatus therefor

A method for reporting channel state information (CSI) performed by a UE in a wireless communication system according to an embodiment of the present disclosure includes transmitting UE capability information related to a plurality of panels, receiving configuration information related to reporting of CSI, receiving a downlink reference signal (DL RS) based on the configuration information, and transmitting CSI related to a measurement result for the DL RS.

Apparatus and method for reporting channel state information in wireless communication system

A method for transmitting a sounding reference signal (SRS) by a terminal in a wireless communication system according to an embodiment of the present specification, comprises the steps of: transmitting UE capability information associated with transmission of a sounding reference signal (SRS) based on a specific usage; receiving configuration information associated with the transmission of the SRS; and transmitting the SRS.

Growing community of inventors

Seoul, South Korea

Seongwon Go