Samsung Electronics Co., Ltd.

Yonsei University

Sungkyunkwan University

Lg Electronics Inc.

Molt

Taehyoung Kim

Seunghoon Choi

Youngbum Kim

Jinyoung Oh

Jeongho Yeo

Sungjin Park

Jinkyu Kang

Younsun Kim

Hoondong Noh

Youngwoo Kwak

Cheolkyu Shin

Hyoungju Ji

Heedon Gha

Juho Lee

Taehan Bae

Donghan Kim

Youngrok Jang

Yongjun Kwak

Jinhyun Park

Jonghyun Bang

Hyojin Lee

Hyunseok Ryu

Heecheol Yang

Hongbo Si

Young-Han Nam

Seho Myung

Seongmok Lim

Sooyong Choi

Kyungsik Min

Minchae Jung

Aris Papasakellariou

Young Ik Eom

Karthik Muralidhar

Dhivagar Baskaran

Jungkyun Park

Eko Nugroho Onggosanusi

Le Liu

Donggun Kim

Euichang Jung

Suha Yoon

Jung Hwan Choi

Yongok Kim

Masaru Ishii

In Sung Joe

Minho Jang

Kiwook Han

Hyunwoo Choi

Hyunjin Cho

Jeongsoon Kang

Hojin Byun

Hoseong Seo

Minhyuk Nam

Jaejun Lee

Kyunggyu Lee

Sanghyuk Kim

Junggyun Park

Kyuho Hwang

Kwang Sun Ko

Battushig Ganbold

Seungik Kim

Kwansoo Lee

Seunghee Seo

Hyunsu Jang

Gyehyeon Gyeong

Younwoo Kim

Soondo Park

Hoijoo Kwon

Cheolwu Oh

Jonggyu Lee

Jaewook Han

Minhyeong Hong

Changwoo Min

Inhyeok Kim

Yongwoo Jung

Zhao Zhen

Eko Onggosanusi

Disclosed are a method and device for transmitting and receiving downlink control information (DCI) in a wireless communication system. A method to be performed by a base station comprises steps in which configuration information on scheduling of one or more PDSCHs to one or more cells through one piece of DCI is transmitted to a UE through upper layer signaling, at least one of a carrier indicator field (CIF) or a cell group indicator field (GIF) included in the DCI, the size of a frequency domain resource allocation field commonly applied to the one or more PDSCHs, and at least one modulation and coding scheme (MCS) field and/or MCS offset field are determined according to the configuration information, and the at least one of the CIF or GIF, the frequency domain resource allocation field having the determined size, and the at least one MCS field and/or MCS offset field are transmitted to the UE by being included in the DCI for scheduling the plurality of PDSCHs to a plurality of cells, respectively, according to the configuration information.

Method and device for transmitting and receiving downlink control information on scheduling of data channels in wireless communication system

The present disclosure relates to a communication technique for combining an IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety-related services, and the like) on the basis of 5G communication technologies and IoT-related technologies. A method for a terminal in a wireless communication system, according to the present disclosure, comprises: measuring reference signal received power (RSRP) values corresponding to respective synchronization signal blocks (SSBs) on the basis of a plurality of SSBs which have been transmitted by a base station; identifying a coverage enhancement (CE) level of the terminal on the basis of the measured RSRP values and at least one RSRP threshold; and transmitting at least one random access preamble to the base station on the basis of the identified CE level.

Method and apparatus for repeated random access preamble transmission and reception in wireless communication system

The present disclosure relates to a communication technique for joining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system, and a system thereof. The disclosure may be applied to intelligent services (for example, a smart home, a smart building, a smart city, a smart car or a connected car, a health care, a digital education, retailing, security and safe-related service, etc.) on the basis of a 5G communication technology and an IoT related technology. The present disclosure relates to a wireless communication system, and to a method and an apparatus for smoothly providing a service in a communication system. More particularly, the present disclosure relates to a method and an apparatus for transmitting and receiving downlink and uplink control information within a communication system.

Method and apparatus for transmitting control and data information in wireless cellular communication system

Disclosed are a method and a device for controlling the measuring and reporting of adjacent channel interference in a wireless communication system. The method comprises the steps of: transmitting, to a base station, a terminal capability report related to the measurement and report of sub-band-specific adjacent channel leakage (ACL) interference; receiving, from the base station, setting information that indicates a frequency resource and a time resource for the measuring and reporting of sub-band-specific ACL interference; measuring sub-band-specific ACL interference on the basis of the setting information; and reporting, to the base station, the measured sub-band-specific ACL interference.

Method and device for controlling measuring and reporting of adjacent channel interference in wireless communication system

The present disclosure relates to a 5G or 6G communication system for supporting data transmission rates higher than that of a 4G communication system such as LTE. Disclosed are a method and an apparatus for indicating a frequency resource or a format of the resource in a wireless communication system using a dual connection scheme. The method and the apparatus of the present disclosure semi-statically or dynamically change: a method for classifying frequency resources as resource block sets or resource group units and configuring at least one from among uplink, downlink, and flexible frequency resource formats for a resource group; and the configured frequency resource format, and thus the frequency resources for uplink/downlink transmission and reception can be effectively used.

Method and apparatus for allocating frequency resources in wireless communication system

The present disclosure relates to a communication method and system for converging a 5th generation (5G) communication system with a technology for Internet of Things (IoT) to support higher data rates beyond a 4th generation (4G) system. A method of a UE is provided. The method includes receiving, from a base station, configuration information including first information on a number of an additional demodulation reference signal (DMRS) symbol by higher layer signaling, receiving, from the base station, downlink control information (DCI) including second information on a time domain resource, identifying third information on a duration in symbols of a scheduled physical downlink shared channel (PDSCH) resource based on the second information, identifying a position of a DMRS symbol based on the first information and the third information, and receiving, from the base station, at least one DMRS based on the position of the DMRS symbol.

Method and apparatus for configuring demodulation reference signal information in wireless cellular communication system

Disclosed is a method performed by a terminal in a wireless communication system, including receiving, from a base station, at least one parameter for a search space, monitoring, on the search space, downlink control information (DCI) related with power saving, the search space being identified based on the at least one parameter, and the DCI related with the power saving including a wake up signal indicating whether to monitor a physical downlink control channel (PDCCH) and a bandwidth part (BWP) indication related with the wake up signal, and performing a PDCCH monitoring based on the wake up signal and the BWP indication included in the DCI related with the power saving.

Method and apparatus for monitoring control information in wireless communication system

The present disclosure relates to a method and apparatus for performing grant-free transmission and reception in a wireless communication system, and a grant-free reception method performed by a terminal in a mobile communication system according to an embodiment of the disclosure includes receiving, from a base station, configuration information related to downlink semi-persistent scheduling (SPS) and configuration information related to a data indication signal (DIS), receiving, from the base station, downlink SPS activation indication information, monitoring the DIS based on the configuration information related to the DIS, and when the DIS is detected or when the DIS is detected and monitoring indication information for a downlink data channel is obtained from the DIS, monitoring the downlink data channel based on at least one of the configuration related to downlink SPS and the downlink SPS activation indication information.

Method and device for transmission and reception based on non-approval in wireless communication system

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present invention presents a method for efficiently estimating a physical channel and, according to the present invention, a terminal of a communication system receives a synchronization signal from a base station, receives a broadcast channel from the base station, and can estimate the broadcast channel on the basis of the synchronization signal.

Method and apparatus for transmitting different uplink control information in wireless communication system

Disclosed are a communication method for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services, and the like) on the basis of a 5G communication technology and IoT-related technology. In addition, disclosed in the specification are: an adaptive retransmission method and device for delay reduction; a method and a device for selecting radio resource allocation and data size; and a method and a device for performing setting so as to enable different channels to share DMRS with each other.

Adaptive retransmission method and device for delay reduction in wireless cellular communication system

Methods and apparatuses for performing wireless communication are provided. In some embodiments, a method performed by a terminal of a wireless communication system, includes receiving, from a base station of the wireless communication system, cross-carrier scheduling configuration information; identifying whether the cross-carrier scheduling configuration information for a secondary cell (SCell) comprises a carrier indicator field (CIF) presence field; receiving, from the base station, downlink control information for another cell on the SCell based on identifying that the cross-carrier scheduling configuration information comprises the CIF presence field; and receiving, from the base station, data using the another cell according to the downlink control information, wherein the cross-carrier scheduling configuration information indicates a CIF value of the SCell when the CIF presence field is configured for two or more cells.

Method and device for configuring control information in wireless communication system

The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate after a 4generation (4G) communication system such as Long Term Evolution (LTE). Various embodiments of the present disclosure propose a method for performing beam operation in consideration of a communication environment in a sidelink. According to various embodiments of the present disclosure, by proposing a method for performing beam operation when sidelink communication operates at a high frequency, coverage may be improved. According to various embodiments of the present disclosure, an operating method of a first terminal in a wireless communication system is provided, the method comprising the steps of: establishing a connection with a second terminal; periodically transmitting a sidelink channel state information reference signal (SL CSI-RS) to the second terminal; receiving, from the second terminal, preferred beam information on the basis of the SL CSI-RS; transmitting a signal to the second terminal with a beam formed on the basis of the beam information; and receiving acknowledgement/not-acknowledgement (ACK/NACK) information for the signal from the second terminal.

Apparatus and method for sidelink beam operation in wireless communication system

The present disclosure relates to a communication technique for combining an IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety-related services, and the like) on the basis of 5G communication technologies and IoT-related technologies. The present disclosure relates to a method of a terminal in a communication system, the method comprising the steps of: receiving carrier aggregation configuration information from a base station; receiving offset information for a frame boundary between a first cell and a second cell from the base station; receiving, from the base station, control information including time domain resource allocation information indicating an interval between a slot in which data scheduled by the control information transmitted or received and a slot in which the control information is received into the first cell; identifying an index of the slot in which the data is transmitted or received, on the basis of the offset information and the time domain resource allocation information; and transmitting the data to or receiving the data from the base station on the second cell in the slot of the identified index.

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

A method and device for repetitive transmission/reception of downlink control information in a wireless communication system is disclosed, the method performed by a user equipment (UE) in the wireless communication system comprises transmitting, to a base station, first information related to physical downlink control channel (PDCCH) repetition transmission, the first information including second information associated with a number of blind decoding times of PDCCH candidates, receiving, from the base station, configuration information on a control resource set and a search space configured for PDCCH transmission, and receiving, from the base station, control information on a first PDCCH and a second PDCCH based on the first information and the configuration information, the second PDCCH being a repetition of the first PDCCH.

Method and device for repetitive transmission/reception of downlink control information in wireless communication system

Growing community of inventors

Seoul, South Korea

Taehyoung Kim