Abstract: A method by which a terminal performs rate matching for a low density parity check (LDPC) code can comprise the steps of: determining any one transport block size (TBS) among a plurality of TBSs set for rate matching in the terminal; and performing rate matching for the LDPC code on the basis of the selected TBS. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

Abstract: A method and a device for receiving a signal in a wireless communication system to which a multiplex transmission technique is applied are provided. The wireless communication system proposed therein suggests a method for performing multiplex transmission when base stations within a network are synchronized. Particularly, a terminal receives, from a first base station, control information for the transmission of an M number of transmission blocks. The control information includes information for allocating multiplex transmission resources available for the first base station and a second base station during a predetermined subframe. The terminal receives the M number of transmission blocks from the first base station and the second base station via the multiplex transmission resources. Here, the M number of transmission blocks receives from the first base station and the M number of transmission blocks received from the second base station are decoded by using the same reference signal.

Abstract: The present invention provides a method for measuring a channel between terminals in a wireless communication system, and a device for the method. Particularly, a method for a first terminal to measure a channel in a wireless communication system may comprise: a step of transmitting, to a base station, a first message requesting sounding reference signal (SRS) configuration information associated with a second terminal; a step of receiving, from the base station, a second message including at least one of the SRS configuration information associated with the second terminal and identification information of the second terminal; a step of receiving at least one SRS from the second terminal, by using an SRS configuration associated with the second terminal identified based on the received second message; and a step of measuring a channel with the second terminal by using the received at least one SRS.

Abstract: A method for transmitting a HARQ ACK/NACK feedback by a terminal may comprise: a step of transmitting, to a base station, a HARQ ACK/NACK feedback for a first downlink data, on a code block group (CBG) basis; a step of receiving, from the base station, a control channel including a specific control information; and a step of transmitting a HARQ ACK/NACK feedback on a transport block (TB) basis on the basis of the specific control information, for a second downlink data scheduled and received by the control channel, even if a CBG based retransmission is set for the terminal.

Abstract: Provided are a method and a device for transmitting data in a wireless communication system. More particularly, a terminal transmits a first transmission preamble and a second transmission preamble so as to estimate an uplink channel. If a common temporary identifier is assigned to the first and second transmission preambles, a common response message for the first and second transmission preambles is received. If temporary identifiers that are different from each other are respectively assigned to the first and second transmission preambles, respective individual response messages for the first and second transmission preambles are received. Data is transmitted by means of an estimated uplink channel. The first transmission preamble is transmitted in a plurality of resource regions, and the second transmission preamble is transmitted in one resource region.

Abstract: A method for receiving a signal in a user equipment (UE) from a base station (BS) in a wireless communication system is disclosed. The method comprises the steps of configuring a plurality of intervals of a specific time region for indicating whether to transmit the signal, through a higher layer; receiving an indicator for indicating whether to transmit the signal, for each of the plurality of intervals; and receiving a signal in each of the plurality of intervals in accordance with indication of the received indicator, wherein at least one of the plurality of intervals of the specific time region may have a first size, and the other intervals except the at least one interval may have a second size.

Abstract: A method and apparatus for transmitting and receiving data in a wireless communication system that supports a low latency service are provided. A terminal may transmit a request message for requesting transmission of low latency service data in an idle state to a base station, determine effectiveness (integrity) of the terminal, and receive a response message including resource information related to transmission and reception of the low latency service data from the base station in response to the request message to transmit and receive the low latency service data.

Abstract: Disclosed are a method for dividing a carrying block of a Low Density Parity Check (LDPC) code and an apparatus therefor. The method for dividing a LDPC code of the present disclosure can obtain a high throughput by using a limited size of shifting network. Moreover, it is possible to prevent degradation in performance due to a minimum size of code block by performing shortening for a large size of code block while minimizing the number of code blocks. Furthermore, in selection of a minimum size of code block, since a minimum size of code block is selected on the basis of shortening for a relatively large size of code block, it is possible to increase the size of the minimum size of code block.

Abstract: The present invention relates to a method and an apparatus for a first mobility management entity (MME) to activate a terminal in a wireless communication system. According to the present invention, it is possible to provide a method and an apparatus of receiving a notification message transmitted from a service gateway (S-GW) to a terminal managed by the first mobility management entity, for notifying an occurrence of a first downlink data; determining whether there exists at least one terminal linked with the terminal on a basis of a first context information of the terminal; and performing a paging procedure for transitioning the terminal and the at least one terminal to a connection state when the at least one terminal linked to the terminal exists.

Abstract: Here, operation for 3D beam forming is disclosed. UE, receiving reference signals from one or more base stations (eNBs), may report feedback information comprising precoding matrix information to the one or more eNBs. The precoding matrix information indicates a first type precoding matrix for a horizontal direction and a second type precoding matrix for a vertical direction. eNBs may transmit signals, which are precoded based on a third type precoding matrix for beam forming both on the horizontal direction and the vertical direction.

Abstract: The present invention relates to a method and an apparatus for generating a signal for low latency in a wireless communication system. The method, according to one embodiment of the present invention, for a communication device generating a situation-reporting signal for low latency and transmitting the signal to a base station in a wireless communication system comprises the steps of: generating the situation-reporting signal on the basis of a pre-set, specific situation recognized by the communication device; and transmitting the generated situation-reporting signal to the base station, wherein the situation-reporting signal may be generated so as to have a subcarrier spacing which is a pre-set number of times larger than a subcarrier spacing of a legacy communication system, the pre-set number being an integer.

Abstract: The present invention relates to a method and an apparatus for transmitting and receiving data in a wireless communication system which supports a low latency service. According to the present invention, a method and an apparatus are provided, wherein a terminal transmits a request message to a base station for converting from an idle state to a connected state; receives, from the base station, a response message including the resource information associated with the transmission and reception of low latency service data, in response to the request message; and transmits and receives the low latency service data using an allocated resource. Thereafter, when additional data is generated, the terminal converts from an idle state to a connected state and transmits and receives the additional data.

Abstract: The present invention relates to a method and a device for allocating an address of a terminal for transreceiving in a wireless communication system. According to the present invention, provided are the method and the device for: transmitting a first request message requesting context information of a terminal to a home subscriber server (HSS); receiving a first reply message including the context information from the HSS; transmitting a second request message requesting a session configuration for transreceiving data of the terminal to a gateway; and receiving from the gateway a second reply message including a session identifier indicating a session configured in response to the second request message.

Abstract: Provided are a method and equipment for performing device-to-device communication by sharing an uplink resource and a sidelink resource in a wireless communication system. Particularly, a first terminal transmits a reference signal to a base station. The first terminal receives a downlink control signal from the base station. The downlink control signal includes beam limiting information indicating a beam, which is not used for reducing interference with an uplink signal, when the first terminal transmits a sidelink signal. The first terminal transmits the sidelink signal to a second terminal by using beams excluding the beam indicated by the beam limiting information. The sidelink signal is transmitted through a resource pool in which the uplink resource and the sidelink resource are overlapped in time and frequency domains.

Abstract: The present invention relates to a method and an apparatus for transmitting and receiving data in a wireless communication system. The present invention can provide a method comprising the steps of: receiving, from a terminal, fourth indication information indicating whether the terminal can provide a mission critical service (MCS); transmitting the fourth indication information to a network node; receiving, from the network node, first indication information indicating division of a measurement gap indicating a gap for performing measurement on a non-serving frequency; transmitting the first indication information to the terminal; and receiving MCS data in at least one divided measurement gap, during which no synchronization signal is detected, among the divided measurement gaps.

Abstract: The present invention relates to a wireless communication system, and particularly, to a method and an apparatus for same, the method comprising the steps of: receiving DL data from a DL data zone of time unit # n; transmitting ACK/NACK information for the DL data from a UL control zone of time unit # n+1; and receiving DL scheduling information indicating retransmission of the DL data from a DL control zone of time unit # n+2, wherein each of the time units comprises, in time order, the DL control zone, a GP, the UL control zone, and the DL data zone.

Abstract: According to the present invention, a first physical downlink control channel (PDCCH) and a second PDCCH can be transmitted to user equipment. A first physical downlink data channel (PDSCH) corresponding to the first PDCCH, and a second PDSCH corresponding to the second PDCCH can be transmitted to the user equipment. When the first PDSCH has a lower decoding priority than the second PDSCH, and the decoding timing of the first PDSCH and the decoding timing of the second PDSCH overlap, the user device may decode the second PDSCH and not the first PDSCH at the decoding timing, and transmit information with respect to the first PDSCH as first ACK/NACK information. As a reply to the first ACK/NACK information, a third PDCCH not having a corresponding PDSCH may be transmitted to the user equipment.

Abstract: The present invention relates to a method and device for transmitting and receiving data in a wireless communication system. According to the present invention, provided is a method comprising a step of receiving, from a network node, a request message requesting an E-UTRAN radio access bearer (E-RAB) configuration for data transmission and reception of a mission critical service (MCS), wherein the request message includes indication information for permitting transmission and reception of the data in at least one first measurement gap, when data of the MCS is generated in the at least one first measurement gap, transmitting, to the terminal, at least one of measurement gap information related to the at least one first measurement gap in which the indication information or the data is transmitted, and transmitting, to the terminal, the data in the at least one measurement gap.

Abstract: A method and a device for transmitting an uplink transmission block in a wireless communication system are provided. Particularly, a terminal receives, from a base station, allocation information on a first grant-free uplink resource, which is scheduled semi-persistently. The terminal repeatedly transmits a first transmission block through the first grant-free uplink resource by using a first reference signal. The terminal transmits a second transmission block by using a second reference signal before completion of the transmission of the first transmission block. The second transmission block is distinguished from the first transmission block through a change of the first reference signal to the second reference signal.

Abstract: The present specification discloses a method for executing a hybrid automatic request (HARQ) in a wireless communication system, the method, which is executed by a terminal, comprising the steps of: receiving an initial HARQ packet corresponding to a specific HARQ process ID (PID) from a first base station via a first wireless link; receiving a retransmission HARQ packet corresponding to the HARQ PID from a second base station via a second wireless link; combining the initial HARQ packet and the retransmission HARQ packet; decoding the combined HARQ packet; and, on the basis of the result of the decoding, determining whether to transmit HARQ feedback via the first wireless link.