Samsung Electronics Co., Ltd.

Postech Academy-industry Foundation

Sungkyunkwan University

Seoul National University

Seho Myung

Hong-Sil Jeong

Kyungjoong Kim

Jae-Yoel Kim

Min Jung Jang

Hak-Ju Lee

Seokki Ahn

Hwan-Joon Kwon

Hyun-Koo Yang

Yeon-Ju Lim

Sung-ryul Yun

Hongsil Jeong

Sung-hee Hwang

Min Hee Jang

Kyeong-Cheol Yang

Sung-Ryul Yun

Seok-Ki Ahn

Jaeyoel Kim

Jeongho Yeo

Kyung-Joong Kim

Min Jun Jang

Kyung-joong Kim

Suyoung Park

Euichang Jung

Suha Yoon

Hyunkoo Yang

Sunghee Hwang

Sungjin Park

Hyunseok Ryu

Jong-Hwan Kim

Sang-Hyo Kim

Yangsoo Kwon

Sung-Hee Hwang

Daehyeon Ryu

Kyung-Mo Park

Sung-oh Hwang

Jinyoung Oh

Youngbum Kim

Younsun Kim

Taehyoung Kim

Hoondong Noh

Cheolkyu Shin

Sungchul Park

Hong-sil Jeong

Kyeongyeon Kim

Donghun Lee

Yongok Kim

Kwonjong Lee

Seunghoon Choi

Hyoungju Ji

Juho Lee

Chi-Woo Lim

Jonghwan Kim

Peter Jung

Sangheon Kim

Jaebong Chun

Hyo-Jin Lee

Hyunjung Kim

Youngrok Jang

Jae-Won Kim

Hyoungjoo Lee

Jong-Seon No

Jin-hee Jeong

Seongmok Lim

Myung-Kyu Lee

Ameha Tsegaye Abebe

Sanghyo Kim

Yeonjoon Choi

Bogyeong Kang

Young-Uk Do

Hong-Sii Jeong

Jun-Woo Tak

Pilwoong Yang

Donghwa Han

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

The disclosure relates to fifth generation (5G) or sixth generation (6G) communication systems to support higher data rates. A receiver of a communication system includes a transceiver configured to receive a signal encoded based on polarization-adjusted convolutional (PAC) coding from a transmitter, and a controller configured to calculate branch metrics of branches defined in a trellis associated with the PAC, calculate a path metric based on an accumulated sum of the branch metrics, determine a path assigned to each state based on the path metric, and estimate a codeword based on the determined path, wherein a number of paths assigned to each state is dynamically determined according to the number of active states, and wherein the active state includes at least one branch.

Method and apparatus for decoding polarization-adjusted convolutional code by using list Viterbi algorithm adjusting list size dynamically

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system includes receiving, from a base station, channel state information (CSI) report configuration information including a channel quality indicator (CQI) table-related parameter, identifying a CQI table to be used based on the CQI table-related parameter, and transmitting, to the base station, a CQI index using the CQI table. A maximum modulation scheme of the CQI table is 4096 quadrature amplitude modulation (QAM).

Device and method for transmitting or receiving control information and data in communication system

Disclosed are a communication technique 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 present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present invention relates to a method and device for managing transmission beams of a terminal in a 5G system.

Method for transmitting and receiving uplink control signal and device for implementing same

The disclosure relates to a communication technique for convergence between an IoT technology and a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system thereof. The disclosure may be applied to intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, etc.) based on a 5G communication technology and an IoT-related technology. The disclosure provides a method for transmitting uplink control information and/or uplink data by a terminal according to multiple priorities, a method for receiving uplink control information and/or uplink data by a base station according to multiple priorities, and an apparatus therefor.

Method and apparatus for uplink transmission in wireless communication system

According to an embodiment of the disclosure, a method performed by a first user equipment (UE) for transmitting sidelink data within a physical sidelink shared channel (PSSCH) in a wireless communication system may be provided. The method performed by the first UE may include identifying a number of resource elements (REs) allocated for the PSSCH within a physical resource block (PRB) based on configuration information and the scheduling information for the sidelink data; identifying a total number of RES allocated for the PSSCH within a slot based on the number of REs allocated within the PRB and a number of PRBs allocated for the PSSCH; identifying a size of a transport block based on the total number of REs; and transmitting, to the second UE, the sidelink data based on the size of the transport block.

Method and device for transmitting and receiving data by terminal in communication system

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An apparatus and a method for channel encoding and decoding in a communication or broadcasting system is provided. According to the present disclosure, the method for channel encoding in a communication or broadcasting system includes determining a block size Z, and performing encoding based on the block size and a parity check matrix corresponding to the block size, in which the block size is included in any one of the plurality of block size groups and the parity check matrix is different for each block size group.

Apparatus and method for channel encoding/decoding in communication or broadcasting system

The disclosure relates to a 5Generation (5G) or pre-5G communication system for supporting a higher data rate after a 4Generation (4G) communication system such as long term evolution (LTE). The disclosure is for transmitting and receiving data and control information in a wireless communication system. A method of operating a terminal may include receiving from a base station an instruction for Limited Buffer Rate Matching (LBRM), obtaining at least one parameter required to perform the LBRM, determining a limited range of parity bits for the LBRM, based on the parameters, and transmitting or receiving data, based on the limited range.

Apparatus and method for limited buffer rate matching (LBRM) in a wireless communication system

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A channel encoding method in a communication or broadcasting system includes identifying an input bit size, determining a block size (Z), determining an LDPC sequence for LDPC encoding, and performing the LDPC encoding based on the LDPC sequence and the block size.

Method and apparatus for channel encoding and decoding in communication or broadcasting system

An apparatus and method for efficiently decoding a low-density parity-check (LDPC) code in a communication or broadcasting system are provided. The disclosure relates to performing decoding of an LDPC code by using layered scheduling or a method equivalent thereto, and provides an LDPC decoding apparatus and method for improving decoding performance without increasing decoding complexity by applying appropriate decoding scheduling according to structural or algebraic characteristics of an LDPC code.

Method and apparatus for data decoding in communication or broadcasting system

This disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate than a 4G communication system such as LTE. The present invention relates to a method for encoding and decoding a channel in a communication or broadcasting system, comprising the steps of determining an input bit size (CBS), determining a code rate (R), determining a size (Z) of a block, comparing the determined CBS and code rate with predetermined reference values, determining an LDPC sequence to perform LDPC encoding according to the comparison result, and performing LDPC encoding and decoding on the basis of the LDPC sequence and the block size. Further, the present invention comprises the steps of determining a code rate (R) indicated by a modulation and coding scheme (MCS) index, determining a transport block size, and determining either a first basic matrix or a second basic matrix as a basic matrix on the basis of the transport block size and the code rate.

Method and apparatus for encoding/decoding channel in communication or broadcasting system

The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). An operating method of a user equipment (UE) in a communication system includes performing radio resource control (RRC) signaling with a base station, determining a code rate based on an RRC configuration according to the RRC signaling, and determining a size of data using the code rate.

Apparatus and method for transmitting control information in communication system

A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.

Method and apparatus for channel encoding/decoding in a communication or broadcasting system

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure discloses a method for effective retransmission when HARQ is applied to data encoded with a low density parity check (LDCP) code. A data transmission method of the transmitter may include: initially transmitting data encoded with an LDPC code to a receiver; receiving a negative acknowledgement (NACK) from the receiver; determining retransmission related information for data retransmission; and retransmitting, in response to the NACK, LDPC-encoded data based on the retransmission related information.

Apparatus and method of transmission using HARQ in communication or broadcasting system

The disclosure relates to a method performed by an apparatus for decoding an encoded signal in a communication system according to an embodiment of the disclosure may include an operation of receiving an encoded signal including a plurality of codeword bits, an operation of determining a first log-likelihood ratio (LLR) for the plurality of codeword bits, and an operation of performing iterative decoding a predetermined number of times based the first LLR, and the plurality of codeword bits may include a codeword bit included in a first subset and a codeword bit included in a second subset, and the operation of performing iterative decoding may include determining a second LLR only for the codeword bit included in the first subset of the plurality of codeword bits, and estimating, based on the second LLR, a bit value only for the codeword bit included in the first subset.

Method and apparatus for decoding of data in communication and broadcasting systems

Growing community of inventors

Seoul, South Korea

Seho Myung