Samsung Electronics Co., Ltd.

Sungkyunkwan University

Yonsei University

Seoul National University

Korea University Research and Business Foundation

Kwonjong Lee

Hyojin Lee

Seunghyun Lee

Juho Lee

Seungil Park

Jaehyun Lee

Sang-Hyo Kim

Donghun Lee

Daesik Hong

Sanghyo Kim

Hyosang Ju

Minyoung Chung

Hakkeon Lee

Dong Hyun Kong

Seho Myung

Jungsoo Jung

Chungyong Lee

Jisang Park

Min Young Chung

Chahyeon Eom

Hyungje Lee

Insik Jung

Sundo Kim

Younsun Kim

Kwangseok Noh

Soohyun Kim

Min Jung Jang

Jun Young Heo

Byungju Lee

Min Jun Jang

Jungsuek Oh

Hyunjae Lee

Sanggeun Lee

Sangwon Jung

Gibum Kim

Jeonghoon Park

Yongsung Kil

Yong-Sung Kil

Hogyeom Kim

Jieun Yu

Donghwa Han

Joohyun Son

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate than a 4G system such as LTE. A method in which a base station transmits a signal by using a time offset in a time-asynchronous non-orthogonal multiple access (TA-NOMA) system, according to an embodiment of the present disclosure, comprises the steps of: checking a first bit stream for a first terminal, and a second bit stream for a second terminal; determining a time offset for the second terminal on the basis of the number of terminals operating in the TA-NOMA system and a pulse shape used in the TA-NOMA system; and transmitting a first signal corresponding to the first bit stream and a second signal corresponding to the second bit stream on resources that are allocated based on the time offset.

Method and device for transmitting and receiving signal by using time offset in time-asynchronous non-orthogonal multiple access system

The disclosure relates to a method and device for efficiently estimating a self-interference channel in a wireless communication system. A method for estimating a self-interference channel by a base station operating a plurality of sectors is provided. The method includes transmitting, in a self-interference channel estimation interval, a downlink signal in a sector among the plurality of sectors, and estimating an intra-sector self-interference channel caused by the downlink signal in the sector.

Method and device for estimating self- interference channel in wireless communication system

The disclosure relates to a 5th-generation (5G) or 6th-generation (6G) communication system for supporting a higher data transmission rate. A method performed by a first user equipment (UE) in a wireless communication system in which cross-link interference (CLI) exists is provided. The method includes receiving, from a base station, control information related to automatic gain control (AGC) tuning and CLI measurement, receiving, from a second UE, a first signal for the AGC tuning based on the control information, controlling an input signal level of an analog-to-digital converter (ADC) in the first UE based on the first signal, receiving, from the second UE, a second signal for the CLI measurement based on the control information, and transmitting, to the base station, a report message including a CLI measurement result measured based on the second signal.

Communication method and device in wireless communication system having cross-link interference

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. An encoding method using a polar code in a wireless communication system, according to an embodiment of the present disclosure, may comprise: generating first cyclic redundancy check (CRC) bits for a plurality of information bits to be transmitted, by the number of second bits that is less than the number of first bits determined so as to add a CRC code with respect to the plurality of information bits; for vulnerable bits from among the plurality of information bits to be transmitted, generating second CRC bits as many as bits corresponding to a difference between the number of first bits and the number of second bits; generating first encoded bits in which the information bits, the first CRC bits, and the second CRC bits are concatenated; and polar-encoding the first encoded bits.

Method and apparatus for encoding and decoding signal in wireless communication system, and system for providing same

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

A user equipment (UE) for transmitting and receiving signals in a wireless communication system according to an embodiment of the disclosure includes: a transceiver; and at least one processor configured to control the transceiver, wherein the at least one processor is further configured to control the transceiver to receive, from a base station (BS), full duplex carrier resource block (FD CRB) information, identify at least one resource block usable for uplink data transmission, based on the FD CRB information, and control the transceiver to transmit uplink data by using the identified at least one resource block.

Method and device for controlling resource and power of full duplex operation in a wireless communication system

The present disclosure relates to a communication technique for converging an IoT technology with a 5G communication system for supporting a higher data transfer rate beyond the 4G system, and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail, security- and safety-related services, etc.) on the basis of 5G communication and IoT-related technologies. The present invention provides an apparatus and a method for supporting a full duplex operation in a wireless communication system.

Method and apparatus for supporting full duplex operation in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. The disclosure relates to a method and an apparatus for enhancement of self-interference channel estimation performance to secure self-interference removal performance in full-duplex (FD) communication and, more specifically, to a method and an apparatus for scheduling a transmission resource for enhanced self-interference channel estimation in the FD communication.

Method and apparatus for scheduling transmission resource for full-duplex wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate than 4G communication systems such as LTE systems. The disclosure relates to a method and device for dynamically selecting, or simultaneously performing, PAC code-based Fano decoding and/or list decoding in a wireless communication system. The method for performing PAC code-based decoding by a reception device in a wireless communication system comprises identifying a specific criterion variable related to a channel state for selecting at least one of Fano decoding or list decoding for a signal received from a transmission device, comparing the specific criterion variable related to the channel state with a threshold, performing the Fano decoding in case that the specific criterion variable related to the channel state satisfies the threshold, and performing the list decoding in case that the specific criterion variable related to the channel state does not satisfy the threshold.

Method and device for performing PAC code-based hybrid decoding in wireless communication system

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. An encoding apparatus may obtain state-indicator information indicating a state of each of bits included in the polar code based on an index set of the bits, identify a weak-bit or a second weak-bit corresponding to a parity bit candidate position preset according to an interconnection within a parity-check (PC)-chain of the polar code and between PC-chains of the polar code as a parity bit, based on a number of weak-bits determined according to the state-indicator information and a number of bits to be used as parity bits, and obtain a polar code including the identified parity bit.

Method and apparatus for encoding and decoding polar code

The disclosure relates to a 5G or pre-5G communication system for supporting higher data transmission rates than 4G communication systems such as LTE systems. According to an embodiment, a method performed by a base station supporting beam training using a beamforming codebook may comprise storing a plurality of codebooks corresponding to a plurality of different beamwidths, receiving a beam adjustment request from a user equipment (UE), determining, among the plurality of codebook, a codebook including beam codebooks for beam coverages including a beamwidth corresponding to a channel state of the UE, in response to receiving the beam adjustment request, and transmitting, to the UE, signals that are beamformed based on the codebook through a plurality of transmission beams using digital beamforming matrixes of the codebook.

Method and device for beam training using beamforming codebook

The disclosure relates to post-4generation (4G) communication systems, such as 5generation (5G) or 6generation (6G), which support a higher data rate than the long term evolution (LTE) or 4G communication systems. A method and an apparatus for transmitting and receiving signals in a frequency-asynchronous non-orthogonal multiple access (FA-NOMA) communication system are provided. The method for transmitting a signal by a base station in an FA-NOMA system includes determining a frequency offset to be applied to a first signal transmitted to a first user equipment (UE) based on a second signal transmitted to a second UE, determining information for interference caused by the frequency offset, determining at least one pre-processing factor for the first UE based on the information for the interference, and transmitting a third signal including at least one first pilot to the first UE using the at least one pre-processing factor. The second signal includes at least one second pilot.

Method and apparatus for transmitting and receiving signal in frequency-asynchronous non-orthogonal multiple access system

Provided is a 5generation (5G) or 6generation (6G) communication system for supporting higher data rates after 4G communication systems such as long term evolution (LTE). A communication method of a user equipment (UE) includes receiving, from a base station (BS), information about a decoding mode including bit information corresponding to the number of times of perturbation, receiving data from the BS on a Physical Downlink Shared Channel (PDSCH), and decoding the received data based on the information about the decoding mode, wherein the information about the decoding mode may be generated based on service information including at least one of Quality of Service (QoS), a service priority, packet delay performance, packet error probability performance, a requirement, or a data transmission scheme.

Method and apparatus for decoding signal in wireless communication system

In a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE), a method of a first terminal in a wireless communication system is disclosed and may include performing channel measurement, based on one or more first reference signals received from a base station; identifying channel distribution information between the first terminal and the base station, based on the measured channel; selecting one or more representative channel vectors (RCVs), based on the identified channel distribution information; generating one or more constellations corresponding to the selected one or more RCVs; transmitting constellation set information including the generated one or more constellations to the base station; and performing communication with the base station, based on the generated one or more constellations.

Method and apparatus for designing and operating multi-dimensional constellation

A method of a first communication device for removing a self-interference signal in a wireless communication system is provided. The method includes receiving a signal having a size less than a first threshold value from a second communication device in a first interval within a first frame, transmitting a first signal to a third communication device in the first interval, and estimating a self-interference channel through which the self-interference signal is transmitted based on the signal received in the first interval and the first signal transmitted in the first interval. The self-interference signal is a signal transmitted by the first communication device and is received by the first communication device through the self-interference channel.

Method and apparatus for removing self-interference signal in full-duplex communication system

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Suwon-si, South Korea

Kwonjong Lee