Abstract: Disclosed is a method of receiving a physical downlink control channel (PDCCH) through a search space (SS) set by a user equipment (UE) in a wireless communication system. The method includes transmitting first information related to the number of X slots and second information related to the number of at least one Y slot, and receiving a PDCCH through a UE-specific SS (USS) set within the at least one Y slot, based on the first information and the second information. The at least one Y slot is included in the X slots, and X and Y are positive integers.

Abstract: According to an embodiment of the present invention a UE may receive a first system information block (SIB) including a system information (SI) request-related configuration including a physical random access channel configuration; transmit a random access (RA) preamble for an SI request based on the PRACH configuration; and receive, in response to the RA preamble, a second SIB different from the first SIB, wherein the SI request-related configuration may include first information related only to a first type UE with reduced capability to support a smaller bandwidth than a second type UE, and second information common for the first type UE and the second type UE, and the UE may be the first type UE and may perform the RA preamble transmission by determining an RA association period and an RA occasion based on both of the first information and the second information in the SI request-related configuration.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

Abstract: A method for a terminal receiving a signal in a wireless communication system, according to one embodiment of the present invention, may comprise: receiving a specific signal giving an early indication of whether paging DCI will be provided in a PO configured for a paging operation in an idle mode or deactivation mode; and, on the basis of the specific signal, determining whether to skip a paging DCI detection procedure, wherein the specific signal may be a PDCCH signal carrying specific DCI configured for the idle mode or deactivation mode, and even if the specific DCI indicates that the paging DCI will be provided in at least one PO, on the basis that the specific DCI may be connected to a plurality of POs, a terminal may decide to skip the paging DCI detection procedure if the at least one PO in which the paging DCI is provided is not configured in the terminal.

Abstract: Disclosed is a method of receiving a physical downlink control channel (PDCCH) through a search space (SS) set by a user equipment (UE) in a wireless communication system. The method includes transmitting first information related to the number of X slots and second information related to the number of at least one Y slot, and receiving a PDCCH through a UE-specific SS (USS) set within the at least one Y slot, based on the first information and the second information. The at least one Y slot is included in the X slots, and X and Y are positive integers.

Abstract: User equipment according to an embodiment of the present invention may obtain a configuration of a reference signal for an RRC idle mode or an RRC inactive mode, determine the availability of the configured reference signal, and receive the reference signal in the RRC idle mode or the RRC inactive mode.

Abstract: Disclosed are a method for transmitting and receiving a synchronization signal in a wireless communication system supporting NarrowBand-Internet of Things (NB-IoT) and an apparatus therefor. Specifically, the method for transmitting and receiving a synchronization signal may include: receiving, from a base station, a narrowband synchronization signal; and performing a cell search procedure for the base station based on the narrowband synchronization signal, in which the narrowband synchronization signal may include a narrowband primary synchronization signal and a narrowband secondary synchronization signal, the narrowband primary synchronization signal and the narrowband secondary synchronization signal may be transmitted in different subframe, and the subframe in which the narrowband secondary synchronization signal is transmitted may be configured differently according to a type of a radio frame structure.

Abstract: According to one embodiment of the present invention, a terminal can acquire an RACH configuration for at least one from among a plurality of UL BWPs, select an initial UL BWP from among the plurality of UL BWPs, and transmit a random access preamble on the basis of the RACH configuration on the selected initial UL BWP, the plurality of UL BWPs can include: a first UL BWP related to only a first type terminal of which the capability is reduced to support a bandwidth that is less than a predetermined bandwidth; and a second UL BWP related to a second type terminal that is different from the first type terminal, and the terminal, as the first type terminal, can be configured to select the first UL BWP or the second UL BWP as the initial UL BWP according to whether a predetermined condition is satisfied.

Abstract: A terminal having reduced capability so as to support a bandwidth smaller than a specific bandwidth, according to one embodiment of the present invention, can detect a physical broadcast channel (PBCH) signal through a synchronization signal block (SSB) on a first downlink (DL) bandwidth part (BWP), obtain a part of system information including a master information block (MIB) carried by the PBCH signal from among pieces of first system information provided on the first DL BWP, and obtain second system information provided on a second DL BWP that is different from the first DL BWP.

Abstract: The present invention discloses various embodiments of a method and a device by which a terminal senses a wake up signal (WUS) in a wireless communication system. Disclosed are a method and a device by which a terminal senses a WUS signal in a wireless communication system, the method including: a step for receiving, from a base station, WUS setting information related to a first WUS resource and a second WUS resource; a step for specifying the first WUS resource on the basis of the WUS setting information; and a step for sensing a WUS signal from the specified first WUS resource, wherein, when the WUS signal is a group WUS signal, the first WUS resource is specified to be continuous with the second WUS resource in a time domain.

Abstract: The present invention relates to a method by which a terminal transmits/receives a signal in a wireless communication system and a device therefore and, more particularly, to: a method comprising the steps of receiving configuration information related to the activation or the deactivation of a wake-up signal (WUS), and monitoring the WUS and a channel corresponding to the WUS, when the WUS is activated on the basis of the configuration information, wherein the configuration information related to the activation or the deactivation of the WUS is configured to be terminal-specific; and a device therefor.

Abstract: Disclosed are a method for transmitting a wake up signal (WUS) by a communication device in a wireless communication system, and a device therefor, according to various embodiments. Disclosed are a method for transmitting a WUS by a communication device, and a device therefor, the method comprising the steps for: setting a group WUS configuration related to the setting of a WUS resource for each UE group; transmitting the set group WUS configuration; and transmitting a WUS on the basis of the group WUS configuration, wherein the group WUS configuration is divided into a second WUS configuration for discontinuous reception (DRX) and a first WUS configuration for eDRX.

Abstract: The present invention relates to a method for receiving a paging signal in a wireless communication system, and a device therefor, the method comprising the steps of: determining index information indicating a wake up signal (WUS) resource; and monitoring a WUS on the basis of the determined index information, wherein, when a user equipment (UE) supports machine type communication (MTC), the index information indicating the WUS resource is determined on the basis of identification information of the UE, parameters related to a discontinuous reception (DRX) cycle of the UE, information related to the number of paging narrowbands, and information related to the number of UE groups for the WUS.

Abstract: The present specification discloses an invention relating to a method for transmitting an MTC physical downlink control channel (MPDCCH) by a base station in a wireless communication system supporting machine type communication (MTC). According to the present invention, a base station transmits, to a terminal, configuration information related to the transmission of an MPDCCH and maps the MPDCCH onto multiple resource elements (REs) of at least one first symbol constituting a first slot of a special subframe. The special subframe is a subframe in which, among symbols constituting the subframe, the number of symbols for data transmission is smaller than or equal to a predetermined number. The base station transmits the MPDCCH to the terminal over the multiple resource elements, wherein the mapping step is performed by copying at least one second symbol of a second slot adjacent to the first slot onto the at least one first symbol.

Abstract: The present disclosure relates to a method of monitoring, by a wireless device, a downlink channel or a downlink signal. The method may include a step of receiving configuration information on a power save signal. The power saving signal can be used to signal that the downlink channel or the downlink signal should be monitored later. The configuration information may contain configuration information on an opportunity to omit the power saving signal. The method may include a step of monitoring the downlink channel or the downlink signal without monitoring the energy saving signal during the opportunity to omit. The length and/or position of the opportunity of omission can be determined according to the configuration information of a discontinuous receive cycle (DRX).

Abstract: The present invention relates to a method for transmitting and receiving channel quality information in a wireless communication system for supporting a Narrowband Internet of Things (NB-IoT) and a device therefor and, more particularly, the method comprising: transmitting and receiving a random access preamble; transmitting and receiving a random access response on the basis of the random access preamble; and transmitting and receiving channel quality information via a narrowband physical uplink shared channel (NPUSCH) on the basis of the random access response, wherein when the random access preamble is transmitted and received on the basis of a narrowband physical downlink control channel (NPDCCH) order in a radio resource control (RRC) connected state, the channel quality information is measured on the basis of a UE-specific search space (USS) set in the RRC connected state.

Abstract: The present disclosure provides a method for a terminal to receive a physical downlink shared channel (PDSCH) in a wireless communication system supporting a narrow band-internet of things (NB-IoT). Specifically, the terminal receives a first physical downlink control channel (PDCCH) including first downlink control information (DCI) from a base station and receives a first PDSCH on the basis of the first DCI. Here, the first PDSCH may include indication information indicating whether a multi transport block is scheduled. The terminal receives a plurality of PDSCHs from the base station, wherein at least one PDSCH of the plurality of PDSCHs may be received without receiving a separate DCI according to the indication information.

Abstract: The present invention relates to a method for transmitting and receiving downlink quality information in a wireless communication system and a device therefor. More particularly, the present invention relates to: a method comprising a step for transmitting and receiving a random access preamble, a step for transmitting and receiving a random access response on the basis of the random access response, and a step for transmitting and receiving the downlink quality information via a physical uplink shared channel on the basis of the random access response, wherein when frequency hopping is configured for a physical downlink control channel associated with the random access response, the downlink quality information includes information about wideband downlink quality; and a device therefor.