Lg Electronics Inc.

Sogang University Research Foundation

Samsung Electronics Co., Ltd.

Korea University Research and Business Foundation

Haewook Park

Kijun Kim

Jonghyun Park

Jiwon Kang

Hyungtae Kim

Sukhyon Yoon

Hyunsoo Ko

Kilbom Lee

Kyuseok Kim

Hyunsu Cha

Suckchel Yang

Hyangsun You

Kunil Yum

Jaehoon Chung

Byounghoon Kim

Seonwook Kim

Sangrim Lee

Minki Ahn

Seongwon Go

Hyukjin Chae

Joonkui Ahn

Daesung Hwang

Eunsun Kim

Seokmin Shin

Youngsub Kim

Gyeongcheol Lee

Wonjin Sung

Youngwoo Yun

Youngtae Kim

Inkwon Seo

Hanjun Park

Jeongsu Lee

Wonjae Ryoo

Hanbyul Seo

Seungmin Lee

Youngdae Lee

Hojae Lee

Myoungseob Kim

Gwanmo Ku

Jaenam Shim

Hyukjun Lee

Jaehyung Kim

Changhwan Park

Heejin Kim

Kukheon Choi

Woonghee Lee

Inkyu Lee

Sangwook Han

Kilborn Lee

Kunii Yum

Changick Song

Changhyeon Kim

Sungin Shin

Jiyeong Yang

A method and an apparatus for transmitting and receiving channel state information (CSI) in a wireless communication system are disclosed. A method of performing CSI reporting by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station, configuration information related to the CSI reporting; receiving, from the base station, a first CSI-reference signal (CSI-RS) and a second CSI-RS based on the configuration information; and transmitting, to the base station, CSI acquired based on the first CSI-RS and the second CSI-RS. In here, a channel measurement resource for acquiring the CSI may include a first resource for the first CSI-RS and a second resource for the second CSI-RS, and the first resource and the second resource may be respectively associated with different Control Resource Set (CORESET) pool indices.

Method and apparatus for performing transmission and reception of channel state information in wireless communication

A method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, receive random access channel (RACH) configurations, and transmit a random access preamble on a specific RACH occasion (RO) on the basis of the RACH configurations. The number of reference points in a cell is derived on the basis of the number of RACH configurations, and each of the reference points can have a first timing advance (TA) value for an RACH process.

Method and device for transmitting/receiving signal in wireless communication system

Disclosed are a method and an apparatus for transmitting or receiving channel state information in a Wireless communication system. A method for transmitting channel state information (CSI) according to an embodiment of the present disclosure may comprise the steps of receiving configuration information related to the CSI; receiving a channel state information reference signal (CSI-RS) through a plurality of CSI-RS ports; and transmitting the CSI for each at least one CSI-RS port group on the basis of the configuration information, Wherein the plurality of CSI-RS ports are grouped into at least one CSI-RS port group, each of the at least one CSI-RS port group includes at least one CSI-RS port, and the CSI includes one or more of a port index, a delay value, and a coefficient for each of one or more specific CSI-RS ports for the each at least one CSI-RS port group.

Method and apparatus for transmitting or receiving channel state information in wireless communication system

The present specification relates to a method for performing an integrated access and backhaul (IAB) operation performed by a node in a wireless communication system, and a device therefor, the method comprising: performing an initial access operation with another node; receiving timing alignment information from said another node; and performing the TAB operation on the basis of the timing alignment information, wherein the timing alignment information corresponds to information relating to a timing alignment case to be applied when the node performs the TAB operation.

Method for configuring timing alignment for IAB node, and node using same method

Provided are a method for operating an IAB node connected to a plurality of parent nodes in a wireless communication system, and an apparatus using the method. The method comprises: monitoring all pieces of AI-DCI respectively received from the plurality of parent nodes; and determining whether or not a soft resource is available to a DU of the IAB node, in consideration of all results of the monitoring.

Method for operating IAB node connected to plurality of parent nodes in wireless communication system, and apparatus using method

Methods and apparatuses for performing communication in a wireless communication system. A user equipment (UE) receives first satellite ephemeris information related to a first satellite and information related to a first validity duration corresponding to the first satellite from a base station; and restarts a first validity timer, based on second satellite ephemeris information related to the first satellite being received from the base station while the first validity timer having the first validity duration is running. The UE obtains a first TA for the first satellite based on the first satellite ephemeris information before the first validity timer restarts, expires, or stops after starting based on the first validity duration, and the UE obtains a second TA for the first satellite based on the second satellite ephemeris information before the first validity timer expires or stops after restarting based on a second validity duration.

Method and apparatus for performing communication in wireless communication system

Disclosed are a method and an apparatus for transmitting an uplink signal by a terminal in a wireless communication system supporting a non-terrestrial network (NTN) according to various embodiments. The method includes receiving system information for configuring a first K offset, receiving a control signal for configuring or updating a second K offset based on the first K offset, and transmitting the uplink signal based on the first K offset or the second K offset, wherein, based on the uplink signal being related to a random access channel (RACH), the uplink signal is transmitted based on the first K offset.

Method for transmitting uplink signal by terminal in wireless communication system, and apparatus therefor

Provided are an operation method performed by a first distributed unit (DU) of a first parent node communicating with a mobile terminal (MT) of an IAB node in a wireless communication system, and a device using the method. The first parent node acquires first configuration information about the first DU, acquires second configuration information about a second DU of a second parent node communicating with the MT, and restricts, on the basis of the first configuration information and the second configuration information, downlink transmission or uplink reception operations of the first DU if predetermined conditions are satisfied.

Operation method of DU of parent node communicating with MT of IAB node in wireless communication system, and device using method

A method and a device by which an IAB node sets a time difference in a wireless communication system are provided. The method determines the time difference between MT reception of an IAB node and DU transmission of the IAB node, on the basis of preset parameters that differ in frequency ranges of the IAB node and time difference setting information received from a parent node.

Method for setting time difference in IAB system, and device using method

The present specification proposes a method for an operation of preventing a collision of resources and a method for an operation of an IAB node at the time of occurrence of a collision of resources and/or timing misalignment in a case in which multiple parent nodes are connected to a single IAB node.

Method and device for operation of IAB node in situation in which multiple parent nodes are connected to single IAB node

The present disclosure provides a method for, in a wireless communication system comprising a UE and a base station including a plurality of cells, performing beam management by the UE via reporting a beam failure or partial beam failure related to one or more cells among a plurality of cells configured to the UE, and a UE and a base station which support the method. According to an embodiment applicable to the present disclosure, a UE can report a beam failure or partial beam failure on one or more cells to a base station, and the base station can quickly recognize the beam failure or partial beam failure on the one or more cells in response thereto.

Method for performing beam management by UE in wireless communication system, and UE and base station supporting same

A method for transmitting an uplink signal by means of a terminal in a wireless communication system, according to one embodiment of the present specification, comprises: receiving configuration information related to transmission of the uplink signal; receiving a message indicating an update of a panel related to the uplink signal; and transmitting the uplink signal on the basis of the configuration information and the message. On the basis of a specific panel being updated to a first panel through the message, the specific panel being configured in at least one specific uplink resource among uplink resources, a beam being configured in the at least one specific uplink resource is updated to a specific beam.

Method for transmitting and receiving uplink signal in wireless communications system, and device therefor

Various embodiments relate to a next generation wireless communication system for supporting a data transmission rate higher than that of a 4generation (4G) wireless communication system. According to various embodiments, provided are a method for transmitting/receiving a signal in a wireless communication system, and an apparatus for supporting same, and various other embodiments can also be provided.

Method for transmitting/receiving signal in wireless communication system, and apparatus for supporting same

Disclosed are a method and a device for configuring resource availability for an IAB node, in which, on the basis of first availability information commonly applied to a plurality of child nodes and second availability information applied to a specific child node, availability of a specific resource for the specific child node is configured to be an unavailable resource.

Method for configuring resource availability for child node of IAB node

Disclosed are a method and apparatus for transmitting and receiving channel state information in a wireless communication system. A method for transmitting channel state information (CSI) according to an embodiment of the present disclosure may comprise the steps of: receiving configuration information related to the CSI from a base station; receiving one or more reference signal (RS) resources transmitted from the base station through different downlink spatial domain transmission filters; and transmitting, to the base station, the CSI including a layer 1 signal-to-interference-plus-noise ratio (L1-SINR) generated on the basis of the one or more RS resources.

Method and apparatus for transmitting and receiving channel state information in wireless communication system

Growing community of inventors

Seoul, South Korea

Haewook Park