Abstract: A method for transmitting feedback information by a first user equipment (UE) in a wireless communication system supporting a full duplex radio (FDR) scheme includes measuring, based on information on a second UE received from a base station (BS), an inter-device interference (IDI) related to the second UE; and transmitting, to the BS, feedback information related to the IDI.

Abstract: Disclosed are a method for transmitting and receiving channel state information in wireless communication system and an apparatus therefor. Specifically, a method for transmitting, by a user equipment (UE), Channel State Information (CSI) in a wireless communication system may include: receiving, from a base station, a channel state information reference signal (CSI-RS) through multiple antenna ports; and reporting, to the base station, CSI, in which the CSI may include selection information indicating a plurality of codewords used for generating a precoding matrix in a codebook for reporting the CSI, and a power coefficient, a phase offset, and a phase shift value applied to each of the plurality of codewords in terms of a configured bandwidth, and the precoding matrix may be generated in units of subbands within the configured bandwidth based on a linear combination of the power coefficient, the phase offset, and the phase change value.

Abstract: A method for a terminal performing communication using a TDD frame in a wireless communication system may comprise the steps of: receiving a synchronization signal (SS) from one symbol of a first subframe of a TDD frame; and transmitting uplink control information via an uplink control zone comprising at least one last symbol in the first subframe.

Abstract: A method and apparatus for transmitting system information in a wireless communication system is provided. A base station (BS) configures a physical broadcast channel (PBCH) in a subband including a set of consecutive subcarriers in a frequency domain, and transmits master information via the PBCH.

Abstract: A method for receiving, by a terminal, a signal on the basis of a non-orthogonal multiple access scheme in a wireless communication system comprises the steps of: receiving, from a base station, control information including information on a codebook selected for the terminal among pre-defined codebooks for non-orthogonal multiple access and information on a codeword selected from the selected codebook; receiving, from the base station, data for the terminal according to scheduling of the control information; and detecting data for the terminal by performing a multi-user detection (MUD) scheme on the basis of the information on the selected codebook and the information on the selected codeword.

Abstract: A method for a terminal transmitting a PUCCH using a FDD frame in a wireless communication system comprises the step of transmitting the PUCCH using two subframes in the FDD frame, wherein the two subframes may each comprise a resource for receiving a downlink in an uplink band.

Abstract: A method and apparatus for performing a scheduling request for transmitting uplink data in a wireless communication system are provided. Specifically, a terminal receives allocation information for a first SR resource that is semi-statically allocated from a base station. The terminal receives allocation information for a second SR resource dynamically allocated from the base station. The second SR resource is additionally allocated in addition to the first SR resource for a buffer status report (BSR). At this time, the allocation information for the first SR resource comprises: mapping information between the first and second SR resources and buffer size information. The terminal transmits an SR to the base station through the first SR resource or the second SR resource.

Abstract: A method for a device changing a RS mode, the device operating by a FDR scheme, comprises the steps of: deciding to change from a first RS mode to a second RS mode if a preset condition is satisfied; and transmitting information related to the decided second RS mode to a terminal, wherein the first RS mode and the second RS mode may be distinguished from each other by whether RSs which are added in order to channel estimate a non-linear component of a self-interference signal are transmitted or not.

Abstract: The document relates to a method for performing communication using multiple transmission time interval (TTI) structures in a wireless communication system. In this method, a terminal transmits and receives a signal through a resource region in which a first subframe corresponding to a TTI (short TTI) of a first length and a second subframe corresponding to a TTI (short TTI) of a second length longer than the first length are multiplexed in a frequency divisional multiplexing (FDM) manner, and when a second link direction of a signal transmitted through the second subframe in a specific time interval is different from a first link direction of a signal transmitted through the first subframe, the specific time interval of the second subframe is not used for signal transmission in the second link direction.

Abstract: A method for performing, by a terminal, a contention-based uplink transmission in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: selecting any one of a plurality of codewords and any one of a plurality of demodulation reference signals (DMRS), the plurality of codewords and the plurality of DMRSs being set in a contention resource area for a contention-based uplink transmission; and transmitting, through the contention resource area, uplink data that corresponds to the selected codeword, and the selected DMRS, wherein the DMRS is transmitted in an orthogonal multiple access (OMA) scheme, the uplink data is transmitted in a non-orthogonal multiple access (NOMA) scheme, and the selected DMRS is one of the K DMRSs mapped to the selected codeword, wherein K may be an integer greater than or equal to 1, which is changed according to a DMRS collision occurring in the contention resource area.

Abstract: Disclosed is a method for transmitting and receiving data by a user equipment (UE) in a wireless communication system supporting low latency includes receiving downlink (DL) control information including a transmission time interval (TTI) indication field indicating a short TTI in which low latency data is scheduled, from an eNB through a DL physical channel, and receiving the low latency data from the eNB through a scheduled short TTI on the basis of the received TTI indication field.

Abstract: A method for transmitting information for position measurement by a terminal in a wireless communication system. The method for transmitting information for position measurement by a terminal may include the steps of: receiving a reference signal from a base station; and transmitting information for position measurement to the base station on the basis of the reference signal. The information for the position measurement may be information related to a phase difference of arrival (PDOA). The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, the base station or a network.

Abstract: A method for changing reference signal (RS) allocation by a device operating in an FDR scheme may comprise the steps of: determining whether to release an additionally allocated RS according to a transmission power variation of the device or to additionally allocate an RS for channel estimation of a non-linear component of a self-interference signal; and transmitting information on a resource of the RS to be released or information on a resource of the RS to be additionally allocated, according to the determination.

Abstract: A method for accessing a millimeter wave cell by a terminal in a wireless communication system supporting a millimeter wave according to an embodiment of the present invention comprises the steps of: receiving a millimeter wave link connection configuration message from a legacy cell that is radio resource control (RRC)-connected to the terminal; measuring discovery signals from the millimeter wave cells located around the terminal on the basis of the millimeter wave link connection configuration message; and transmitting a first type random access preamble to one of the millimeter wave cells on the basis of a result of the measuring of the discovery signals, wherein the measuring of the discovery signals is performed on the basis of a signal detection wave form that is specifically configured for each millimeter wave cell.

Abstract: A method for a terminal to transmit signals on the basis of a non-orthogonal multiple access scheme in a wireless communication system may comprise the steps of: receiving, from a base station, information about a codebook selected for the terminal in pre-defined non-orthogonal codebooks and control information including information about a codeword selected from the selected codebook; performing resource mapping on uplink data to be transmitted on the basis of information about the selected codebook and information about the codeword selected from the selected codebook; transmitting, to the base station, the uplink data mapped to the resource according to the resource mapping.

Abstract: Provided is a method and device for transmitting uplink data by using a non-orthogonal code multiple access scheme in a wireless communication system. Specifically, a terminal supporting multiple layers receives an NoMA MCS index from a base station. The NoMA MCS index is selected from an NoMA MCS table on the basis of the quality of an uplink channel. The NoMA MCS table is defined in advance as a table including the NoMA MCS index, the number of multiple layers, and a modulation order. The number of multiple layers is determined according to the NoMA MCS index. The terminal transmits the uplink data configured on the basis of the NoMA MCS index, via the multiple layers.

Abstract: A method by which a terminal transmits an uplink signal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting any one of a plurality of preambles; and performing a contention-based transmission of data in consideration of the transmitted preamble, wherein each of the plurality of preambles is linked with a plurality of data resource areas, and when the contention-based transmission of data is performed, the terminal can repeatedly transmit the data through the plurality of data resource areas linked with the transmitted preamble.

Abstract: A method for performing non-orthogonal multiple access (NOMA) scheme-based communication by a base station may comprise the steps of: determining at least one transmission data resource group on the basis of a scheduling request (SR) reception reliability; transmitting information on the determined at least one data resource group to a terminal; and receiving uplink data from the terminal via a predefined uplink data transmission area in the at least one data resource group, wherein the at least one data resource group and an SR resource group including an SR transmission area, in which an SR can be transmitted, are overlappingly allocated in a physical resource area, and the predefined uplink data transmission area within the at least one data resource group and the SR transmission area of the SR resource group overlap each other in the physical resource area.

Abstract: A method for a user equipment (UE) to transmit an uplink signal in a wireless communication system according to an embodiment of the present invention includes the steps of: determining a data transmission mode; and transmitting to a base station through a competition resource region, a control channel carrying control information including the data transmission mode, a data channel carrying at least one transmission block (TB), and a preamble, wherein the preamble indicates the position of a resource to which the control channel is mapped in the competition resource region, and the data transmission mode determined by the UE can correspond to one among a first transmission mode in which 1 TB is transmitted by being divided into N sub-blocks or a second transmission mode in which 1 TB is repeatedly transmitted M times. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, the base station or a network.

Abstract: A method for transmitting, by a terminal, an uplink signal in a wireless communication system according to one embodiment of the present disclosure comprises the steps of: receiving, from a base station, scheduling request (SR) resource information and data resource information; transmitting an SR through any one of a UE-wise SR resource and a group-wise SR resource allocated through the SR resource information; and repeatedly transmitting uplink data through a plurality of resource areas allocated through the data resource information, wherein one UE-wise SR resource may be allocated to each first resource area set consisting of N resource areas, and at least one group-wise SR resource may be allocated to each resource area. 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.