Lg Electronics Inc.

Other

Hyunjung Choe

Youngdae Lee

Sunghoon Jung

Hongsuk Kim

Joonkui Ahn

Seungjune Yi

Changhwan Park

Taehun Kim

Jaehyung Kim

Sangwon Kim

Eunjong Lee

Jian Xu

Daewook Byun

Seokjung Kim

Sunyoung Lee

Jaehyun Kim

Gyeongcheol Lee

Oanyong Lee

Jinsook Ryu

Sangmin Park

Jongwoo Hong

Geumsan Jo

Jeonggu Lee

Bokyung Byun

A method and apparatus for reporting data transmission procedure failure for network optimization in a wireless communication system is provided. A wireless device performs the data transmissions to a network in idle state and/or inactive state. A wireless device detects failures of the data transmissions. A wireless device logs information related to each of the failures and counts a number of the failures, while the logging validity timer is running. A wireless device establishes or resumes a connection with the network based on that the counted number is equal to or bigger than a threshold value.

Method and apparatus for reporting data transmission procedure failure for network optimization in a wireless communication system

A method and apparatus for support of CU-DU split in MT-EDT procedure in a wireless communication system is provided. A Central Unit (CU) of a Radio Access Network (RAN node) receives, from a Distributed Unit (DU) of the RAN node, second information related to a transport block used for the wireless device. The CU decides a Radio Resource Control (RRC) state for transmitting the downlink (DL) data to the wireless device based on the first information related to the DL data and the second information related to the transport block.

Method and apparatus for support of CU-DU split in MT-EDT procedure in a wireless communication system background

A method and apparatus for handling failures in transmission using PUR in a wireless communication system is provided. A wireless device receives, from a network, preconfigured uplink resource (PUR) configuration. A wireless device detects that each resource of the PUR is not successfully used for uplink (UL) transmission. A wireless device informs the failure cause and/or the expected behavior based on the PUR configuration. A wireless device receives, from a network, reconfiguration of the PUR.

Method and apparatus for handling failures in transmission using PUR in a wireless communication system

A method and apparatus for handling security information between a wireless device and a network for a fast RRC release procedure in a wireless communication system will be provided. A core network node in a wireless communication system receives, from a radio access network (RAN) node, a UE context resume request message including a fast Radio Resource Control (RRC) release indication. The fast RRC release indication informs that the RAN node transmits an RRC release message to a wireless device before the core network node receives the UE context resume request message. A core network node determines to stop computation of new security information for the wireless device based on the fast RRC release indication. A core network node transmits a UE context resume response message to the RAN node.

Method and apparatus for handling security information between a wireless device and a network for a fast RRC release procedure in a wireless communication system

The present specification proposes a method for transmitting or receiving emergency information in a wireless communication system supporting machine type communication and a device therefor. Specifically, the method performed by a terminal may comprise the steps of: receiving discontinuous reception (DRX)-related information from a base station through radio resource control (RRC) signaling; receiving a paging message from the base station on the basis of the DRX-related information; and transmitting a physical random access channel (PRACH) preamble to the base station on the basis of the paging message emergency.

Method for transmitting or receiving emergency information in wireless communication system supporting machine type communication and device therefor

A method and apparatus for paging procedure considering network slicing in a wireless communication system is provided. A wireless device receives, from a network, a paging message including information related to a mobile terminated (MT) service. A wireless device transmits, to the network, a paging response message including information on Single-Network Slice Selection Assistance Information (S-NSSAI) for the MT service. A wireless device receives, from the network, the MT service from a cell related to the S-NSSAI. The cell is determined based on the paging response message.

Method and apparatus for paging procedure considering network slicing in a wireless communication system

Proposed in the present specification is a method for transmitting and receiving urgent information in a wireless communication system supporting machine type communication, and a device for same. Specifically, a method performed by a terminal may include the steps of: receiving information including a Reference Signal Received Power (RSRP) threshold value from a base station; determining a Coverage Enhancement (CE) mode on the basis of the RSRP threshold value and an RSRP measurement value; determining a Physical Random Access Channel (PRACH) resource on the basis of the CE mode; and transmitting a PRACH preamble to the base station on the basis of the PRACH resource.

Method for transmitting and receiving urgent information in wireless communication system supporting machine type communication, and device for same

A method and apparatus for random access procedure based on a beam quality in a wireless communication system is provided. A wireless device monitors a paging including information on one or more beams associated with a contention free random access procedure and selects at least one beam of which a quality is above a threshold among the one or more beams. The wireless device performs the contention free random access procedure via the at least one beam. When there is no beam of which the quality is above the threshold, the wireless device performs a contention based random access procedure.

Random access procedure based on beam quality

Provided are a method for skipping contention resolution. According to an embodiment of the present disclosure, the method includes leaving radio resource control (RRC) connected state, while leaving RRC connected state, receiving information on timing advance in a paging occasion, adapting the timing advance and performing transmission based on the adapted timing advance.

Timing advance command for uplink transmission

Presented in the present specification are a method for transmitting/receiving emergency information in a wireless communication system supporting machine type communication, and a device therefor. Particularly, the method performed by a terminal can comprise the steps of: receiving, from a base station, a system information block (SIB) including scheduling information about emergency information; receiving, from the base station, configuration information about the search space; receiving, from the base station, downlink control information (DCI) for the notification of the emergency information in the search space; and receiving, from the base station, the emergency information on the basis of the DCI and the scheduling information.

Method for transmitting/receiving emergency information in wireless communication system supporting machine type communication, and device therefor

A method and apparatus for a fast access considering service assistant information in a wireless communication system is provided. A wireless device selects a new cell. The wireless device performs a Random Access (RA) procedure to the new cell. The wireless device performs a cell reselection procedure based on a mobility information. The RA procedure includes (1) selecting a special RA preamble for service assistance information related to an intended slice, (2) transmitting, to the new cell, a RA message including the service assistance information; and (3) receiving, from the new cell, a response message including the mobility information.

Method and apparatus for a fast access considering service assistant information in a wireless communication system

A method and apparatus for frequency band allocation for transmission based on a paging in a wireless communication system is provided. A wireless device receives, from a network, system information including a list of physical resource blocks (PRBs). While in an idle state and/or an inactive state, the wireless device monitors a paging including information indicating at least one PRB from the list of the PRBs, and communicates with the network based on the at least one PRB.

Frequency band allocation for transmission based on paging

A method and apparatus for controlling mobile early data transmission (EDT) procedure in a wireless communication system is provided. A first core network node, in a wireless communication, receives, from a second core network node, a message for a downlink Data including a size of the downlink data. The first core network node determines whether to initiate an early data transmission (EDT) procedure for the downlink data based on the size of the downlink data. The first core network node transmits, to a radio access network (RAN) node, a paging message including information related to the EDT procedure for the downlink data based on the decision to initiate the EDT procedure for a wireless device.

Method and apparatus for controlling early data transmission procedure in a wireless communication system

A method and apparatus for completion mechanism for transmission using preconfigured uplink resource (PUR) in a wireless communication system is provided. While in a radio resource control (RRC) idle state and/or an RRC inactive state, a wireless device configured to operate in a wireless communication system i) performs uplink (UL) data transmission using a preconfigured uplink resource (PUR) to a network, ii) attempts to acquire downlink (DL) information on a physical downlink shared channel (PDSCH) from the network, and iii) based on the DL information including only timing advance command (TAC) media access control (MAC) control element (CE), considers that the UL data transmission using the PUR is successful.

Completion mechanism for transmission using preconfigured uplink resource

A method and apparatus for determining whether to perform transmission on a random access or a configured grant in wireless communication system is provided. The wireless device leaves a connected state with a network. The wireless device determines whether to perform transmission on a random access (RA) or a configured grant based on data available for transmission, wherein the configured grant is received from the network. The wireless device performs the transmission of the data based on the determination.

Growing community of inventors

Seoul, South Korea

Hyunjung Choe