Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method and device for a wireless communication system according to one embodiment of the present invention receive a radio resource control (RRC) connection release message and release an RRC connection on the basis of the RRC connection release message, wherein the RRC connection release message includes information about a target Internet of Things (IoT) mode, and the communication device can be switched from a source IoT mode to the target IoT mode on the basis of the information about the target IoT mode.

Abstract: 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.

Abstract: The present disclosure relates to a cell reselection in wireless communications. According to an embodiment of the present disclosure, a user equipment (UE) may determine reselection information for a cell reselection based on validity information including a network slice identifier (ID), and perform the cell reselection based on the determined reselection information.

Abstract: A method and apparatus for validating time alignment for preconfigured uplink resource in a wireless communication system is provided. A wireless device receives, from a network at a first time point, configuration of uplink transmission which is to be performed at a second time point. A wireless device configures a window which starts at a third time point between the first time point and the second time point. A wireless device checks whether time alignment (TA) is valid or not inside of the window.

Abstract: 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.

Abstract: A method and apparatus for deactivation of a configured grant based on a number of retransmissions for a wireless device in an idle state and/or an inactive state is provided. The wireless device releases a configured grant for a data unit based on one or more of unsuccessful retransmissions of the data unit.

Abstract: Disclosed are an overload control method in a wireless communication system and a device for the same. Specifically, a method by which a base station performs an overload control in a wireless communication system can include: a step of receiving an overload start message from a core network; a step of receiving a first radio resource control (RRC) message including a non-access stratum (NAS) message from user equipment (UE); and a step of transmitting an RRC connection release message, for instructing the release of an RRC connection, to the UE when an instruction for instructing data transmission through a control plane in the first RRC message is included.

Abstract: A method and apparatus for continuing transmission while in leaving a connected state with a network in wireless communication system is provided. A wireless device leaves a connected state with the network. The wireless device performs transmission with a configured grant in a validity area, wherein the configured grant is received from the network and mapped to the validity area, while in leaving the connected state. The wireless device performs a random access to the network, after the wireless device leaves the validity area.

Abstract: A method and apparatus for downlink transmission using preconfigured downlink resource in a wireless communication system is provided. A wireless device transmits, to a network, a message to request downlink resource for downlink transmission, wherein the message includes traffic pattern information for the downlink transmission. A wireless device receives, from the network, a configuration for the downlink resource. A wireless device receives the downlink transmission based on the downlink resource.

Abstract: Provided is a method for configuring a release cause by a user equipment (UE) in a wireless communication system. The method may include: receiving a configuration of inactivity timer, from a base station (BS); when the data inactivity timer is expired, configuring the release cause for leaving connected state, wherein the configured release cause prevents the UE from initiating a random access procedure.

Abstract: Provided are a method of performing cell reselection and a device supporting the method. According to one embodiment of the present disclosure, the method includes: performing data transmission or data reception while the UE is in RRC IDLE state or RRC INACTIVE state; measuring a serving cell quality; and starting a cell reselection prohibit timer when the quality of the serving cell is better than a threshold, wherein a cell reselection procedure is prohibited while the cell reselection prohibit timer is running.

Abstract: A method and apparatus for resuming only signaling radio bearers (SRBs) in a wireless communication system is provided. A wireless device triggers a signaling while the wireless device is in a radio resource control (RRC) inactive state, and resumes only SRB and transmits a message 3 (MSG3) of a random access procedure to a network when an early data transmission (EDT) triggering condition for transmission via the MSG3 is fulfilled. The MSG3 includes the signaling.

Abstract: The present disclosure relates to method and apparatus for controlling a transmission of a response signal in a wireless communication system. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system, comprises receiving a signal for a paging from a network; and receiving downlink (DL) data related to the paging, wherein a transmission of at least one of a paging response for the paging or acknowledgment (ACK) information for the DL data is determined based on information included in the signal for the paging.

Abstract: A method and apparatus for configured grants based on channel quality and/or repetition level in a wireless communication system is provided. A wireless device receives a configured grant which is mapped to a channel quality, determines the channel quality of the wireless device, and performs data transmission based on the configured grant.

Abstract: Provided are a method for responding to a paging. According to an embodiment of the present disclosure, the method includes receiving a configuration of a pre-allocated resource, receiving, in a paging occasion, information on type of resource for a response message, transmitting the response message on the pre-allocated resource, based on that the information informs the pre-allocated resource.

Abstract: Provided are a method for skipping contention resolution. According to an embodiment of the present disclosure, the method includes: detecting data to be transmitted; receiving information informing that the data does not require a contention resolution; transmitting the data on a logical channel; and completing transmission of the data, based on an acknowledgement for the data or a number of transmission of the data.

Abstract: A method and apparatus for relaxed measurement based on data transmission in idle mode and/or inactive mode in a wireless communication system. The wireless device identifies a transmission failure, and performs either a normal measurement or a relaxed measurement based on the transmission failure.