Lg Electronics Inc.

Other

Via Telecom Co., Ltd.

Taissa Research LLC

Seungjune Yi

Sunyoung Lee

Sungjun Park

Youngdae Lee

Sunghoon Jung

Sungduck Chun

Jaewook Lee

Gyeongcheol Lee

Geumsan Jo

Sangwon Kim

Jeonggu Lee

Heejeong Cho

Eunjong Lee

Hyunjung Choe

Hyunjin Shim

Hanul Lee

Young Dae Lee

Sung Jun Park

Jongwoo Hong

Jayeong Kim

Seungmin Lee

Daesung Hwang

Kyungjun Lee

Hongsuk Kim

Hanbyul Seo

Li-Hsiang Sun

Ki-Dong Lee

Bokyung Byun

Seongjoon Kim

Sangwook Han

Sunhee Kim

Jeongkyun Yun

Youndae Lee

Han Cha

Sungduck Chung

Jaewok Lee

The present invention relates to a method of performing a random access (RA) procedure by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of transmitting a RA preamble to a network on a first bandwidth part (BWP); receiving a response message of the RA preamble from the network, wherein the response message includes a BWP switch indication indicating a second BWP and an uplink (UL) grant on the second BWP; and transmitting an uplink data or a connection request message to the network on the second BWP using the UL grant.

Method and apparatus for switching bandwidth part during random access procedure in wireless communication system

A method and apparatus related to a configuration request in wireless communications. A multi-universal subscriber identity module (MUSIM) user equipment (UE) may request candidate MUSIM gaps, and indicate priority information for the candidate MUSIM gaps along with the request. Therefore, the UE can prevent the inefficient gap configuration regarding the second network operation even when the first network is unable to configure all requested gaps.

Configuration request in wireless communications

A method and apparatus for master cell group (MCG) radio link failure (RLF) reporting during secondary cell group (SCG) suspension in a wireless communication system is provided. A wireless device detects a failure on a master cell group (MCG) while a secondary cell group (SCG) is suspended, and transmits MCG failure information informing the failure on the MCG by using a physical uplink control channel (PUCCH) format via the SCG, based on unavailability of physical uplink shared channel (PUSCH) transmission via the SCG.

Radio link failure reporting for master cell group during secondary cell group suspension

The present invention relates to a method of transmitting a buffer status report (BSR) by a wireless node in a wireless communication system. In particular, the method includes the steps of: receiving first logical channel group (LCG) configuration information including identities of LCGs from a network; generating the BSR including a LCG field; and transmitting the BSR to the network, wherein a length of the LCG field is configured according to a highest value of the identities of LCGs.

Method and apparatus for transmitting buffer status report by wireless node in wireless communication system

A method for performing a configured grant based small data transmission (CG-SDT) in a Radio Resource Control (RRC) INACTIVE state by a user equipment (UE) in a wireless communication system is disclosed. The method comprises steps of performing an initial transmission for the CG-SDT on a configured grant (CG), wherein a configured grant timer (CGT) and a CG-SDT-retransmission timer (CG-SDT-RT) are started by performing the initial transmission; and based on a physical downlink control channel (PDCCH) related to the initial transmission not being received until the CG-SDT-RT expiring during the CGT is running, performing a retransmission of the initial transmission, wherein the CG-SDT-RT is re-started upon performing the retransmission of the initial transmission, wherein, based on the PDCCH related to the initial transmission not being received until the CGT expiring, a SDT failure handling procedure is triggered.

Method and apparatus for performing configured grant based small data transmission by user equipment in wireless communication system

The present invention relates to a method of performing a Listen Before Talk (LBT) procedure by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of detecting a LBT failure based on a first LBT failure parameter set; receiving a second LBT failure parameter set before transmitting a LBT failure report; and if the second LBT failure parameter set requires more frequent LBT failure report than the first LBT failure parameter set, transmitting the LBT failure report related to the LBT failure.

Method and apparatus for performing LBT procedures by UE in wireless communication system

The present disclosure relates to a method of transmitting a Beam Failure Recovery (BFR) Medium Access Control (MAC) Control Element (CE) by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of configuring a plurality of cells with cell indexes and priorities of the cells; detecting a beam failure on two or more cells among the plurality of cells; generating the BFR MAC CE including beam failure recovery information for the two or more beam failure detected cells; and transmitting the BFR MAC CE to the network, wherein the beam failure recovery information for the two or more beam failure detected cells are included in a descending order of priorities of two or more beam failure detected cells.

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

The present invention relates to a method of transmitting data units by a Radio Link Control (RLC) entity of a user equipment (UE) in a Radio Resource Control (RRC) INACTIVE state in a wireless communication system. Especially, the method includes the steps of transmitting at least one first data unit without the poll in the RRC INACTIVE state to a peer RLC entity; based on a number of the at least one first data unit without the poll being equal to or greater than a threshold value, shifting to a RRC CONNECTED state; transmitting a second data unit with the poll in the RRC CONNECTED state to the peer RLC entity; and receiving a status report for the at least one first data unit without the poll and the second data unit with the poll from the peer RLC entity.

Method and apparatus for performing data transmission without sequence number in wireless communication system

The present invention relates to a method of transmitting a Medium Access Control (MAC) Protocol Data Unit (PDU) by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of generating a first MAC PDU including at least one MAC Control Element (CE) and a first data; receiving an uplink grant for transmitting a second data, wherein a transmission time of the first data overlaps with a transmission time of the second data, and wherein a priority of the second data is higher than a priority of the first data; generating a second MAC PDU including the at least one MAC CE and the second data; and transmitting the second MAC PDU.

Method and apparatus for processing data units in conflicted resources in wireless communication system

The present invention relates to a method of performing a Random Access (RA) procedure in a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of configuring at least one first bandwidth part (BWP) on which the RA procedure is performed for transmitting data in a Radio Resource Control (RRC) INACTIVE state; configuring a second BWP on which the RA procedure is performed for shifting to a RRC CONNECTED state from the RRC INACTIVE state; performing the RA procedure on the at least one first BWP when the UE determines to transmit the data in the RRC INACTIVE state; and performing the RA procedure on the second BWP when the UE determines to shift to the RRC CONNECTED state from the RRC INACTIVE state.

Method and apparatus for performing random access procedure with data transmission in wireless communication system

The present invention relates to a method of transmitting a data unit using a Random Access (RA) procedure by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of configuring a first RA preamble group and a second RA preamble group, wherein RA preambles belonging to the first RA preamble group indicates that a RA Response (RAR) is not required and RA preambles belonging to the second RA preamble group indicates that the RAR is required; selecting one of the first preamble group and the second RA preamble group based on whether a response of the transmitted data unit from a network is required or not; and transmitting one of the RA preambles belonging to the selected RA preamble group with the data unit to the network.

Method and apparatus for transmitting data unit using random access procedure in wireless communication system

The present invention relates to a method of transmitting a scheduling request (SR) by a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of: receiving an uplink shared channel (UL-SCH) resource; based on the UL-SCH resource being overlapped with another resource and the UL-SCH resource being deprioritized, triggering an SR for informing that the UL-SCH resource is deprioritized while having data available for transmission on the UL-SCH resource; and transmitting the SR to a network.

Method and apparatus for transmitting a scheduling request related to a deprioritized uplink shared channel resource in wireless communication system

The present invention relates to a method of transmitting data units by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of transmitting at least first one data unit in a Radio Resource Control (RRC) CONNECTED state with a sequence number for the RRC CONNECTED state; receiving a RRC INACTIVE transition command with an initial sequence number for data transmission in a RRC INACTIVE state; setting a sequence number for the RRC INACTIVE state as the initial sequence number; and transmitting at least one second data unit in the RRC INACTIVE state with the sequence number for the RRC INACTIVE state, wherein the sequence number for the RRC INACTIVE state is incremented by 1 for every second data unit.

Method and apparatus for transmitting data unit by user equipment in wireless communication system

The present invention relates to a method of transmitting a signal by a user equipment (UE) in a wireless communication system. Especially, the method includes the steps of receiving a handover command containing configurations for a second network, from a first network; performing a random access procedure to the second network; re-establishing a packet data convergence protocol (PDCP) entity associated with a signaling radio bearer (SRB) based on the configurations for the second network, after a random access procedure to the second network successes; transmitting a radio resource control (RRC) message to the second network using the re-established PDCP entity.

Method and apparatus for applying target network configuration by user equipment in wireless communication system

In the present disclosure, a UE transmits a random access preamble (RAP) on a physical random access channel (PRACH) and a common control channel (CCCH) service data unit (SDU) on a physical uplink channel (PUSCH). The UE receives a medium access control (MAC) protocol data unit (PDU) based on transmitting the RAP and the CCCH SDU. The MAC PDU may include a MAC PDU associated with a contention resolution identity (CRID) in the MAC PDU. The UE determines whether a MAC SDU is present or not in the MAC PDU, based on the MAC SDU indicator associated with a CRID in the MAC PDU in a state in which the CRID matches the CCCH SDU.

Method of performing random access (RA) procedure, and transmitting device, apparatus and storage medium therefor, and method and apparatus for transmitting mac PDU of RA procedure

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Seoul, South Korea

Seungjune Yi