Lg Electronics Inc.

Huayue Song

Yunjung Yi

Daesung Hwang

Hyangsun You

Soonki Jo

Hyunho Lee

Duckhyun Bae

Suckchel Yang

Joonkui Ahn

Seonwook Kim

Inkwon Seo

Youngtae Kim

A user equipment (UE), configured to transmit data on a physical shared channel, transmits the data using the allocated first physical shared channel to the base station, the data may be transmitted repeatedly as much as the number of the first physical shared channel on a physical shared channel group including a predetermined number of the first physical shared channels, a first dedicated demodulation-Reference Signal (DMRS) for the data may be mapped to a symbol constructing the physical shared channel group according to the mapping information and transmitted to the base station, and the mapping information may be information for mapping a second DMRS for a second physical shared channel including symbols of a same number as a symbol number constructing the physical shared channel group.

Method for transmitting data on physical shared channel in wireless communication system, and device for same

The present specification provides a method for transmitting and receiving data by a relay node in a wireless communication system and an apparatus therefor. The relay node receives configuration information from a network node, wherein the configuration information may include a timing offset for transmitting downlink data. The relay node transmits the downlink data to a second relay node on the basis of the configuration information, in which transmission timing of the downlink data may be determined on the basis of the timing offset and a timing advance (TA).

Method for transmitting and receiving data in wireless communication system and apparatus therefor

This specification provides a method of performing a bandwidth part (BWP) operation in a wireless communication system. Specifically, The method performed by a terminal includes receiving a first message including information related to at least one initial BWP configuration from a network, receiving a second message including configuration information for an additional BWP from the network, receiving downlink control information (DCI) related to BWP switching for at least one configured BWP from the network, and transmitting and receiving signals to and from the network in an activated BWP based on the received DCI.

Method of performing BWP operation in wireless communication system and an apparatus therefor

Disclosed herein is a method for determining a resource area to be allocated to a bandwidth part (BWP) in a wireless communication system. More specifically, the method performed by a terminal includes: receiving, from a network, a first resource allocation field associated with a resource allocation group (RBG) size for a first BWP and a second resource allocation field associated with an RBG size for a second BWP, on the first BWP; and when the size of the first resource allocation field is greater than the size of the second resource allocation field, determining a resource area to be allocated to the second BWP, based on a value of the first resource allocation field, which corresponds to the size of the second BWP, starting from a predefined point.

Method for determining resource area to be allocated to bandwidth part in wireless communication system, and apparatus therefor

The present disclosure provides a method for data transmission or reception performed by a first node in a wireless communication system, the method including: performing a first data transmission or reception to or from a UE on an access link on the basis of a first timing case in an access time duration; and performing a second data transmission or reception to or from a second node or a donor base station on a backhaul link on the basis of a second timing case in a backhaul time duration, wherein downlink transmission timings over the donor base station, the first node, the second node and the UE are aligned in the first timing case, and downlink and uplink transmission timings or downlink and uplink reception timings are aligned in the first node in the second timing case.

Method for slot format for backhaul and access link in wireless communication system and terminal using same method

An initial access method of an integrated access and backhaul (IAB) node in a wireless communication system and an apparatus using the method are provided. The method includes: receiving, from a parent node, a synchronization signal block (SSB) and system information; and performing a random access procedure with the parent node on the basis of the SSB and the system information, wherein the SSB and the system information are received through a resource allocated to an access link of the parent node, and the random access step is performed through a resource allocated to the backhaul link of the parent node, and the random access step is performed using resources determined differently depending on whether the TAB node is a relay node or a terminal.

Initial access method of IAB node in wireless communication system and apparatus using same method

Provided are a node operation method in a wireless communication system and an apparatus using the method. The method includes receiving first allocation information related to communication with a parent node and second allocation information related to communication with a child node and performing communication with the parent node or child node based on the first and the second allocation information. The first allocation information informs of resource type of a specific resource as one of three, and the second allocation information informs of resource type of the specific resource as one of seven. When the second allocation information informs the specific resource as a hard resource which can be always used for communication with the child node, the specific resource is used for communication with the child node irrespective of the first allocation information.

Method and device for performing communication with a parent node or child node based on first and second allocation information

Provided are a method of operating a node in a wireless communication system and a device using the same. The method includes: connecting to a parent node through an initial access process; receiving, from the parent node, first allocation information related with communication with the parent node and second allocation information related with communication with a child node; and communicating with the parent node or the child node using a specific resource based on the first allocation information and the second allocation information. When the second allocation information indicates the specific resource as a hard resource that is always available for communication with the child node, the specific resource is used for communication with the child node regardless of the first allocation information.

Method of operating node in wireless communication system and device using the same

The present disclosure provides a method for transmitting and receiving data based on a grid of a common resource block (RB) in a wireless communication system. More specifically, the method performed by a user equipment includes receiving a synchronization block from a base station; receiving, from the base station, first offset information representing an offset between a lowest subcarrier of a lowest resource block of the SSB and a first reference point based on a specific subcarrier spacing; receiving, from the base station, control information including information on the specific subcarrier spacing and information on a difference between a subcarrier spacing based reference point, to which the SSB is received, and the first reference point; and configuring a grid of a common resource block based on the first offset information and the control information.

Method and device for transmitting or receiving data in wireless communication system

The method includes receiving first allocation information related to communication with a parent node and second allocation information related to communication with a child node and communicating with the parent node or the child node using a particular resource based on the first allocation information and the second allocation information. The first allocation information indicates a resource type of the particular resource as one of three resource types, the second allocation information indicates the resource type of the particular resource as one of seven resource types. When the second allocation information indicates the particular resource as a soft downlink, soft uplink, or soft flexible resource and when it is not explicitly indicated that the particular resource is available for the communication with the child node, the particular resource is used for the communication with the parent node.

Resource use method of node in wireless communication system and device using same

A method and apparatus for performing measurement based on synchronization signal (SS) blocks in a wireless communication system is provided. A user equipment (UE) which supports a new radio access technology (NR) receives a SS block measurement timing configuration (SMTC) from a network, and performs measurement based on the SS blocks in a duration which is determined based on the SMTC. The SS blocks are included in an active bandwidth part (BWP).

Method and apparatus for supporting bandwidth part switching in wireless communication system

The present disclosure provides a method for mapping a reference signal (RS) sequence to a physical resource in a wireless communication system. Specifically, the method performed by a terminal comprises the steps of: receiving, from a network, length information indicating a length of the RS sequence and offset information indicating a start position of the RS sequence mapped to the physical resource allocated to the terminal; generating the RS sequence on the basis of the received length information; and mapping the generated RS sequence to the physical resource on the basis of the offset information.

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Seoul, South Korea

Huayue Song