Lg Electronics Inc.

Yonsei University

Samsung Electronics Co., Ltd.

Korea University Research and Business Foundation

Industry-University Cooperation Foundation Hanyang University

Ajou University Industry-academic Cooperation Foundation

Kwangseok Noh

Sangrim Lee

Kukheon Choi

Dongkyu Kim

Jaehoon Chung

Jinmin Kim

Hojae Lee

Eunjong Lee

Genebeck Hahn

Hyunsoo Ko

Bonghoe Kim

Myeongjin Kim

Jongwoong Shin

Jinwoo Kim

KiTae Kim

Ilmu Byun

Kijun Kim

Seunggye Hwang

Soocheol Kyeong

Joonkui Ahn

Hyangsun You

Donghyun Lee

Byung-Wook Min

Byounghoon Kim

Kilbom Lee

Jiwon Kang

Sooyong Choi

Sangjoon Park

Kyungsik Min

Hanbyul Seo

Hyukjin Chae

Song-Nam Hong

Kijun Jeon

Jun Young Heo

Jiho Kim

Kwonjong Lee

Daesik Hong

Dong-Joon Shin

Ilmin Kim

Jeonghoon Park

Jaeyeong Choi

Haesoon Lee

Song Nam Hong

Il-Min Kim

Hyeong-Gun Joo

Min-Oh Jung

A method for transmitting data on the basis of polar coding in a wireless communication system, according to the present disclosure may comprise the steps of: transmitting data including a plurality of information blocks, each of which contains a corresponding cyclic redundancy check (CRC); receiving a hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ ACK/NACK) of the transmitted data; performing learning in order to retransmit the plurality of information blocks; and retransmitting the plurality of information blocks on the basis of the HARQ ACK/NACK, wherein the step of performing learning comprises the steps of: obtaining current state s; obtaining actions to be applied to current state s; and selecting, from the actions, an action maximizing expected reward value Q, wherein expected reward value Qis obtained on the basis of rewards R, R, . . . , Rcorresponding to states s, s, . . . , s, and the plurality of information blocks is retransmitted on the basis of the selected action.

Method and apparatus for transmitting data on basis of polar coding in wireless communication system

A first device may encode a first bit sequence of length K including a first information block, a second information block, a first cyclic redundancy check (CRC) for the first information block, and a second CRC for the second information block, based on a polar code of size; transmit a first signal based on the encoded first bit sequence; receive first hybrid automatic repeat request acknowledgement/negative-acknowledgement (HARQ ACK/NACK) information for the first bit sequence; divide the second information block into a first sub information block and a second sub information block and generate a third CRC for the first sub information block based on the first HARQ ACK/NACK information including information indicating failure of the transmission of the second information block; encode a second bit sequence including the third CRC based on the polar code; and transmit a second signal based on the encoded second bit sequence.

Method and device for performing channel coding on basis of polar coding in wireless communication system

A disclosure of the present specification provides a method for transmitting data by a transmitter. The method may comprise the steps of: when a transport block (TB) is divided into n data blocks, adding additional information after each of the n data blocks; and adding a cyclic redundancy check (CRC) after the last additional information. Here, the CRC may be generated on the basis of the n data blocks, and the n pieces of additional information added after each of data blocks.

Data transmission method and apparatus

A method for receiving downlink data by the terminal in a wireless communication system, includes receiving, from a base station, downlink control information for scheduling a short physical downlink shared channel (sPDSCH) on a short physical downlink control channel (sPDCCH), and receiving, from the base station, downlink data on the sPDSCH based on the downlink control information. Here, the sPDCCH and the sPDSCH are based on a first transmission time interval (TTI)-based radio frame structure, wherein the first TTI-based radio frame structure is shorter in time than a second TTI-based radio frame structure related to (i) a physical downlink shared channel (PDSCH) and (ii) a physical downlink control channel (PDCCH). Further, a number of resource element groups (REGs) consisting of a control channel element (CCE) related to the sPDCCH is smaller than a number of resource element groups (REGs) composed of a CCE related to the PDCCH.

Method for transmitting and receiving data in wireless communication system and apparatus for the same

A method for allocating resources by a Base Station (BS) in a wireless communication system is disclosed. The method includes configuring a Resource Block Group (RBG) dependent on whether a User Equipment (UE) operates in Full Duplex Radio (FDR) mode or Half Duplex (HD) mode, and allocating resources to the UE in units of the configured RBG. The RBG includes a plurality of Resource Blocks (RBs).

Method and apparatus for allocating resources to FDR-mode UE in a wireless communication system

A method for transmitting data by a user equipment (UE), includes configuring a Physical Uplink Shared Channel (PUSCH) configuration related to a physical random access channel (PRACH), wherein the PUSCH configuration includes parameters fora time interval for allocating PUSCH zones and a number of contiguous PUSCH zones in time domain, and transmitting the PRACH and a PUSCH based on the PUSCH configuration.

Method and apparatus for transmitting data in wireless communication system

A method of detecting a signal in a wireless communication system supporting multiple-input multiple-output (MIMO) is provided. The method includes obtaining a MIMO channel matrix between a transmission end and a reception end and a reception vector received by the reception end, identifying a modulation scheme of the transmission end, applying a preset equation modification scheme to the MIMO channel matrix and the reception vector according to the identified modulation scheme, and detecting a transmission vector of the transmission end by performing quantum calculation on the modified MIMO channel matrix and the modified reception vector.

Method and apparatus for detecting signal with quantum computing in MIMO system

A method for operating a communication device in a wireless communication system, according to the present embodiment, comprises the steps of: determining first information related to an aggregation level for a PDCCH and second information related to a mother code size for a polar code, the aggregation level being related to a first level to a fifth level, the mother code size being related to a first size to a third size, and the second information being determined according to the first information; determining whether the first information is determined to be the third level; and generating a CRC block comprising a masking sequence of a first type, when the first information is considered to be determined to be the third level.

Method for operating communication device in wireless communication system, and communication device using same

A transmission method or a transmission apparatus maps input information of K+n bits to a polar code, encodes the input information on the basis of the polar code, and transmits the encoded input information. The input information includes n parity check bits. n1 bits of the n parity check bits are mapped to least reliable bit positions of K+n bit positions of the polar code, and n&#x2212;n1 parity check bits (where n&#x2212;n1&#x3e;0) are mapped to n&#x2212;n1 bit positions having a minimum row weight among K+n&#x2212;n1 bit positions excluding the n1 least reliable bit positions among the K+n bit positions.

Method and apparatus for transmitting information, and method and apparatus for receiving information

In a wireless communication system, a physical broadcast channel (PBCH) is encoded based on a Polar code and then is transmitted. Half-frame information within the PBCH is mapped to a bit position 247 among bit positions of the Polar code and synchronization signal and PBCH block (SSB) index information within the PBCH is mapped to bit positions 253, 254, and 255 of the Polar code.

Method and apparatus for transmitting PBCH and method and apparatus for receiving PBCH

Provided are a method and a device for performing communication using a non-orthogonal code multiple access scheme in a wireless communication system. A terminal divides a terminal identifier into a first field, a second field, a third field and a fourth field and selects a first reference signal based on the first field and a maximum number of reference signals, a second reference signal based on the second field and the maximum number of reference signals, a third reference signal based on the third field and the maximum number of reference signals, and a fourth reference signal based on the fourth field and the maximum number of reference signals. Based on the first reference signal, the second reference signal, the third reference signal or the fourth reference signal, the terminal transmits contention-based data to a base station.

Method and apparatus for transmitting contention-based data in wireless communication system to which non-orthogonal multiple access scheme is applied

The present invention relates to a wireless communication system. In detail, the present invention is a method for transmitting data to a base station (BS) by a user equipment (UE) includes: receiving information on a contention-based Physical Uplink Shared Channel (PUSCH) zone including a plurality of contention-based PUSCH resource blocks from the base station (BS); allocating at least one contention-based PUSCH resource block for transmission of the data based on the information on contention-based PUSCH zone; and transmitting the data to the base station (BS).

Disclosed is an encoding method of a spatially coupled-low density parity Check (SC-LDPC) code of a terminal. The encoding method of the SC-LDPC code of the present disclosure can comprise: a step of generating a plurality of decomposition matrices by decomposing a base matrix of a preset LDPC block code. a step of generating a base matrix of the SC-LDPC code by spatially coupling the plurality of decomposition matrices in accordance with the termination length. a step of generating a circulant shift value matrix from the base matrix of the SC-LDPC code. a step of generating a plurality of lifting values for the base matrix of the SC-LDPC code. and a step for encoding an input signal by using a generator matrix defined by using of the base matrix of the SC-LDPC code, the circulant shift value matrix, and the plurality of lifting values.

SC-LDPC code encoding method and device therefor

A transmission apparatus: encodes information into a first bit sequence, using a polar code; outputs a second bit sequence by inputting the first bit sequence to an interleaver; modulates the second bit sequence into modulation symbols according to a modulation order; and transmits the modulation symbols. The interleaver: has an odd number of columns; and is configured to cyclically read and output, from column k, bits stored in row n of the interleaver, and cyclically read and output, from column k+a, bits stored in row n+1 of the interleaver, wherein a represents an integer which is not 0.

Method and apparatus for transmitting information

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Seoul, South Korea

Kwangseok Noh