Lg Electronics Inc.

Yonsei University

Duckhyun Bae

Yunjung Yi

Hyunho Lee

Seonwook Kim

Daesung Hwang

Suckchel Yang

Inkwon Seo

Changhwan Park

Youngtae Kim

Jiwon Kang

Joonkui Ahn

Sechang Myung

Hanjun Park

Ilmu Byun

Hyungtae Kim

Sukhyon Yoon

Jaehyung Kim

Soonki Jo

Hyunsoo Ko

Huayue Song

Eunjong Lee

Hyangsun You

Jangwon Lee

Kyuhwan Kwak

Hyunsuk Lee

A method and an apparatus for performing uplink transmission/reception in a wireless communication system are disclosed. A method for performing communication by a user equipment (UE) according to an embodiment of the present disclosure includes receiving configuration information including information related to uplink transmission based on a configured grant (CG) from a base station; and based on the configuration information, performing an initial uplink transmission of a transport block (TB) in a first transmission occasion (TO) associated with a redundancy version (RV) which is 0 among a plurality of TOs, and the plurality of TOs correspond to a first sounding reference signal (SRS) resource set and a second SRS resource set.

Method and apparatus for performing uplink transmission or reception in wireless communication system

A method of performing blind decoding for a physical downlink control channel (PDCCH) candidate and a device therefor in a wireless communication system are disclosed. Specifically, the method performed by a user equipment (UE) includes receiving, from a base station, configuration information related to a search space set, receiving, from the base station, a control resource set, and performing a blind decoding for a plurality of PDCCH candidates included in the control resource set based on the configuration information, wherein a demodulation reference signal (DMRS) is received per control resource set and is used in a channel estimation for a demodulation of the plurality of PDCCH candidates.

Method for performing blind decoding on physical downlink control channel candidate in wireless communication system, and apparatus therefor

The present specification relates to a wireless communication system and to a method and apparatus therefor, the method comprising: when a plurality of physical uplink control channels (PUCCHs) for a plurality of scheduling requests (SRs) and a first PUCCH comprising first uplink control information (UCI) are overlapped in a time domain, mapping, to specific resource elements (REs) among REs of the first PUCCH, SR information associated with the plurality of SRs; and transmitting the first PUCCH to which the SR information is mapped.

Method and communication apparatus for transmitting scheduling request information

A user equipment may determine PDSCH receptions to transmit corresponding HARQ-ACK information in a HARQ-ACK codebook, and transmit the HARQ-ACK codebook on the basis of the PDSCH receptions. The determining of the PDSCH receptions may comprise: determining the PDSCH receptions on the basis of a union of first candidate values of a PDSCH_to_HARQ-ACK timing for a first DCI format and second candidate values of a PDSCH_to_HARQ-ACK timing for a second DCI format.

Method, user equipment, apparatus and computer-readable storage medium for transmitting HARQ-ACK codebook, and method and base station for receiving HARQ-ACK codebook

A UE may perform PDSCH reception in a plurality of cells including a primary cell and including a secondary cell configured for PUCCH cell switching, determine a slot n+K on the primary cell, based on a HARQ-ACK feedback timing value K for the PDSCH reception determined among a set of HARQ-ACK feedback timing values configured for the primary cell and on a last slot n overlapping with the PDSCH reception among slots of the primary cell, and transmit the HARQ-ACK information for the PDSCH reception in a slot m on the secondary cell, based on using the secondary cell for transmission of the HARQ-ACK information for the PDSCH reception based on the PUCCH cell switching. The slot m may be a slot including start of the slot n+K among slots of the secondary cell overlapping with the slot n+K.

Method, user equipment, processing device, storage medium and computer program for transmitting HARQ-ACK information, and method and base station for receiving HARQ-ACK information

According to an aspect of the present disclosure, a method for transmitting an uplink signal by a user equipment in a wireless communication system comprises: receiving information on a plurality of PUCCH resource sets; and on the basis of a first PUCCH resource associated with a first uplink signal and a second PUCCH resource associated with a second uplink signal, which overlap on a time domain, multiplexing the first uplink signal and the second uplink signal to a PUCCH resource included in one PUCCH resource set among the plurality of PUCCH resource sets, wherein the plurality of PUCCH resource sets are configured to have priorities, and the one PUCCH resource set is a PUCCH resource set having the highest priority from among the plurality of PUCCH resource sets.

Method, user equipment, device, and storage medium for performing uplink transmission, and method and base station for performing uplink reception

Provided are a method, a user equipment, a device and a recording medium in which: resource allocation information associated with a plurality of symbols is received; symbols which cannot be used for uplink transmission among the plurality of symbols are determined on the basis of the resource allocation information; and the uplink transmission is performed in at least one of the remaining symbols from the plurality of symbols excluding the symbols which cannot be used. The symbols which cannot be used comprise a symbol (DL symbol) in which a slot format is instructed as downlink (DL) and K non-DL symbols immediately after the DL symbol among the plurality of symbols. Each of the K non-DL symbols is a symbol in which a slot format is not instructed as DL, and K is an integer greater than 0.

Method, user equipment, device and storage medium for performing uplink transmission and method and base station for performing uplink reception

A user equipment that has performed a random access procedure with respect to a base station may determine a DCI size to be monitored based on DCI size alignment and the base station may determine a DCI size to be used based on the DCI size alignment. The DCI size alignment may include aligning the size of a legacy UL DCI format and the size of a legacy DL DCI format after aligning the size of a new UL DCI format and the size of a new DL UCI format. Each of the new UL DCI format and the legacy UL DCI format is a DCI format used to schedule a physical uplink shared channel (PUSCH), and each of the new DL DCI format and the legacy DL DCI format is a DCI format used to schedule a physical downlink shared channel (PDSCH).

Method for transmitting downlink control information and base station, method for receiving downlink control information, user equipment, and storage medium

A transmission device may perform listen-before-talk (LBT) with regard to an unlicensed band. The transmission device may determine M LBT sub-bands which are in an idle state, on the basis of the performing of the LBT for the unlicensed band. The transmission device may perform N repetitive transmissions of a transport block (TB) over the M LBT sub-bands. The N repetitive transmissions of the TB may include performing M repetitive transmissions over the M LBT sub-bands, respectively.

Method, transmission device, and recording medium for transmitting transport block in unlicensed band

A UE may: receive a configuration regarding a physical downlink control channel (PDCCH) monitoring occasion (MO) for UL CI reception; receive scheduling information for UL transmission; and perform or skip UL CI monitoring for the UL transmission in the PDCCH MO on the basis of the configuration and the scheduling information. Performing or skipping the UL CI monitoring for the UL transmission in the PDCCH MO may comprise: performing the UL CI monitoring for the UL transmission in the PDCCH MO on the basis of the fact that the UL transmission and a reference resource region that may be instructed by a UL CI received in the PDCCH MO overlap at least in terms of time; and skipping the UL CI monitoring for the UL transmission in the PDCCH MO on the basis of the fact that the reference resource region and the UL transmission do not overlap in terms of time.

Method for monitoring uplink cancellation instruction, user equipment, apparatus, computer-readable storage medium, method for transmitting uplink cancellation instruction, and base station

Various embodiments of the present disclosure disclose a method for transmitting and receiving a signal in a wireless communication system and an apparatus supporting the same.

Method for transmitting and receiving signal in wireless communication system, and device supporting same

Disclosed are a method and apparatus for repeatedly transmitting an uplink in a wireless communication system. A method by which a terminal repeatedly transmits a physical uplink shared channel (PUSCH), according to an embodiment of the present disclosure, comprises the steps of: receiving configuration information related to repeated transmission of the PUSCH; receiving downlink control information (DCI) for scheduling of the PUSCH; and repeatedly transmitting the PUSCH N times (an integer, greater than 1, of N) on the basis of the configuration information and the DCI. The PUSCH transmitted N times is circularly and sequentially mapped to a plurality of transmission configuration indicator (TCI) states in an ascending order, may be grouped into M PUSCH groups (an integer, greater than 1, of N) for each PUSCH to which the same TCI is mapped, and frequency hopping may be individually applied to the M PUSCH groups.

Method and apparatus for repeatedly transmitting uplink channel in wireless communication system

A user equipment generates an HARQ-ACK codebook comprising HARQ-ACK bits for semi-persistent scheduling (SPS) physical downlink shared channels (PDSCHs) based on multiple SPS configurations, and transmits the HARQ-ACK codebook. In the HARQ-ACK codebook, with respect to an SPS configuration index and a serving cell index, an HARQ-ACK bit for an SPS PDSCH in a slot of a lower slot index precedes an HARQ-ACK bit for an SPS PDSCH in a slot of a higher slot index, and with respect to each serving cell index, an HARQ-ACK bit for an SPS PDSCH based on an SPS configuration having a lower SPS configuration index precedes an HARQ-ACK bit for an SPS PDSCH based on an SPS configuration having a higher SPS configuration index.

Method for transmitting HARQ-ACK codebook, user equipment, device and storage medium, and method and base station for receiving HARQ-ACK codebook

Provided is a user equipment which: receives resource allocation; determines N number of transmission resources on the basis of the resource allocation, wherein N is an integer greater than 1; determines a transport block size (TBS) associated with the N number of transmission resources and a redundancy version (RV) value for each of the N number of transmission resources; and performs uplink transmission in at least one transmission resource among the N number of transmission resources on the basis of the TBS and an RV value for the at least one transmission resource.

Method and user equipment for performing uplink transmission with resource allocation, and method for performing uplink reception with resource allocation

A user equipment (UE), configured to transmit data on a physical shared channel, transmits the data using the allocated first physical shared channel to the base station, the data may be transmitted repeatedly as much as the number of the first physical shared channel on a physical shared channel group including a predetermined number of the first physical shared channels, a first dedicated demodulation-Reference Signal (DMRS) for the data may be mapped to a symbol constructing the physical shared channel group according to the mapping information and transmitted to the base station, and the mapping information may be information for mapping a second DMRS for a second physical shared channel including symbols of a same number as a symbol number constructing the physical shared channel group.

Growing community of inventors

Seoul, South Korea

Duckhyun Bae