Lg Electronics Inc.

Yonsei University

Ilmu Byun

Heejeong Cho

Genebeck Hahn

Eunjong Lee

Jiwon Kang

Hyunsoo Ko

Heejin Kim

Hyeyoung Choi

Kungmin Park

Hyunjin Shim

Yunjung Yi

Kijun Kim

Bonghoe Kim

Suckchel Yang

Jaehoon Chung

Jinwoo Kim

Jongwoong Shin

Hanbyul Seo

Joonkui Ahn

Daesung Hwang

Kilbom Lee

Kwangseok Noh

Seungmin Lee

Sangrim Lee

Minki Ahn

Byounghoon Kim

Eunsun Kim

Seunggye Hwang

Kyuseok Kim

Duckhyun Bae

Hyunho Lee

Kukheon Choi

Dongkyu Kim

Seonwook Kim

Sukhyon Yoon

Hyangsun You

Youngtae Kim

KiTae Kim

Kilborn Lee

Jonghyun Park

Jinmin Kim

Hanjun Park

Jangwon Lee

Kyungjun Choi

Soocheol Kyeong

Kwangsoon Kim

Hyunsuk Lee

Genebeck Hanh

Genebeck Hann

Disclosed in the present application is a method for a terminal performing a random access procedure in a wireless communication system. Specifically, the method for performing a random access procedure comprises the steps of: transmitting, to a base station, a plurality of random access signals corresponding to a plurality of different beams in a transmission interval corresponding to the corresponding random access signal; receiving a random access response signal corresponding to one random access signal of the plurality of random access signals; and transmitting and receiving a signal to and/or from the base station, using a beam corresponding to the one random access signal, wherein the plurality of random access signals comprise identifier information of the terminal.

Method for performing random access procedure in next generation wireless communication system and apparatus therefor

A network node in a new radio access technology (RAT) configures a fixed resource on which transmission direction is fixed and a flexible resource on which transmission direction is changeable, and transmits a single channel which is mapped to the fixed resource and the flexible resource. The single channel may be divided into a first mini channel which is mapped to the fixed resource and a second mini channel which is mapped to the flexible resource.

Method and apparatus for configuring frame structure for new radio access technology in wireless communication system

A method for performing fast retransmission in a wireless communication system, according to one embodiment of the present disclosure, is performed by a terminal, and comprises the steps of: receiving downlink data or transmitting uplink data; and performing a hybrid automatic repeat request (HARQ) operation including retransmission, in which transmission and reception of a HARQ-acknowledgement (HARQ-ACK) for the downlink data or the uplink data are not present or retransmission scheduling is not present, for the downlink data and the uplink data.

Method for HARQ feedback in wireless communication system and apparatus therefor

The present invention relates to a method and a device for a base station transmitting/receiving data in a wireless communication system. According to the present invention, a method and a device may be provided by which a first message comprising first control information is received from a base station, wherein the first control information comprises a logical path identifier (ID) indicating a logical path for transmitting/receiving first data and second data, which is the same as the first data; as a response to the first message, a reply message is transmitted to the base station; and the first data and the second data are received on multiple component carriers (CC) associated with the logical path corresponding to the logical path ID.

Method for transmitting/receiving data in wireless communication system and device supporting same

A method for encoding a quasi-cyclic low-density parity-check (LDPC) code according to an embodiment of the present invention may comprise the steps of: generating a multi-edge LDPC code matrix including a high rate code matrix and a single parity check code matrix; and encoding a signal by using the multi-edge LDPC code matrix, wherein the single parity check code matrix includes a first matrix having a non-row-orthogonal structure matrix and a second matrix having a pure row-orthogonal structure, which are concatenated.

Method for transmitting LDPC code using row-orthogonal and apparatus therefor

The present description provides a method for transmitting uplink (UL) data in a wireless communication system. A method, which is carried out by means of a terminal, comprises the steps of: receiving, from a base station, control information related to transmission of low latency radio (LLR) service data; transmitting, on the basis of the received control information, the low latency radio service data to the base station through an urgent channel, wherein the control information comprises urgent channel information and/or urgent bearer information defined for transmission of the low latency radio service data.

Method for transmitting uplink data in wireless communication system and device for same

The present application provides a method for receiving a downlink signal by a terminal in a wireless communication system. Specifically, the method comprises the steps of: receiving a downlink control signal, a first downlink data signal, a first downlink demodulation reference signal for the first downlink data signal in a first time unit; and receiving a second downlink data signal and a second downlink demodulation reference signal for the second downlink data signal in a second time unit, wherein the downlink control signal includes information on a first antenna port for a reference signal, the first antenna port being quasi-co-located (QCL) with an antenna port for the first downlink demodulation reference signal, and information on a second antenna port for a reference signal, the second antenna port being quasi-co-located (QCL) with an antenna port for the second downlink demodulation reference signal.

Method for cell cyclic downlink transmission in wireless communication system and apparatus therefor

The present invention provides a method for performing beam measurement in a wireless communication system, and a device for the method. Particularly, a method for a terminal to perform beam measurement in a wireless communication system may comprise: a step of receiving a plurality of reference signals corresponding to a plurality of transmission beams; a step of identifying at least one first transmission beam corresponding to at least one first reception beam included in a first reception beam group, on the basis of measurement performed on the first reception beam group by using the plurality of reference signals; a step of identifying at least one second transmission beam corresponding to at least one second reception beam included in a second reception beam group, on the basis of measurement performed on the second beam group by using the plurality of reference signals; and a step of reporting, to a base station, an index of the identified at least one first transmission beam and an index of the identified at least one second transmission beam, respectively.

Method for performing beam measurement in wireless communication system and device therefor

Provided are a method and an apparatus for transmitting grant-free based uplink data in a wireless communication system. Specifically, a terminal receives, from a base station, allocation information for a grant-free uplink resource that is semi-statically allocated. The terminal receives, from the base station, allocation information for a first reference signal used for initial transmission of uplink data and allocation information for a second reference signal used for retransmission of the uplink data. The terminal transmits the uplink data through the grant-free uplink resource by using the first reference signal. If decoding of the uplink data fails, the terminal receives, from the base station, an uplink grant corresponding to the second reference signal. The terminal retransmits the uplink data by using the second reference signal on the basis of the uplink grant. The first reference signal is commonly allocated to the terminal, and the second reference signal is specifically allocated to the terminal.

Method and apparatus for transmitting grant-free based uplink data in wireless communication system

The present invention provides a method for measuring a channel between terminals in a wireless communication system, and a device for the method. Particularly, a method for a first terminal to measure a channel in a wireless communication system may comprise: a step of transmitting, to a base station, a first message requesting sounding reference signal (SRS) configuration information associated with a second terminal; a step of receiving, from the base station, a second message including at least one of the SRS configuration information associated with the second terminal and identification information of the second terminal; a step of receiving at least one SRS from the second terminal, by using an SRS configuration associated with the second terminal identified based on the received second message; and a step of measuring a channel with the second terminal by using the received at least one SRS.

Method for measuring channel between terminals in wireless communication system, and device therefor

A method for receiving feedback information by a first moving object may comprise the steps of: transmitting a sidelink sounding reference signal (SRS) to a second moving object through each of distributed transmit antennas; receiving, from the second moving object, feedback information including first information associated with the similarity in coherent time between each of distributed receive antennas of the second moving object; and setting a transmission period of the sidelink SRS on the basis of the feedback information.

Method for transmitting and receiving feedback information and vehicle therefor

A method for performing self-interference cancellation by a terminal may comprise the steps of: receiving RS configuration information for phase estimation of self-interference from a base station; when the terminal operates, with a distributed antenna structure, in a full duplex radio (FDR) mode or operates in a space division duplex (SDD) mode between panels, transmitting an RS on the basis of the RS configuration information; and performing phase estimation for self-interference between the panels on the basis of the RS. The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, a base station or a network.

Method for performing self-interference cancellation by communication device of distributed antenna structure

A method for a device to perform a transmission in a wireless communication system, includes transmitting a plurality of transmit power control (TPC) commands and receiving physical uplink shared channel (PUSCH) having transmit power determined using one of the plurality of TPC commands, based on a corresponding PUSCH type, wherein each one of the plurality of TPC commands is related with a respective one of PUSCH types, the PUSCH types are related with PUSCH time lengths, and the PUSCH time lengths include a time length shorter than a single subframe.

Method and apparatus for transmitting signal in wireless communication system

The present invention relates to a method and an apparatus for generating a signal for low latency in a wireless communication system. The method, according to one embodiment of the present invention, for a communication device generating a situation-reporting signal for low latency and transmitting the signal to a base station in a wireless communication system comprises the steps of: generating the situation-reporting signal on the basis of a pre-set, specific situation recognized by the communication device; and transmitting the generated situation-reporting signal to the base station, wherein the situation-reporting signal may be generated so as to have a subcarrier spacing which is a pre-set number of times larger than a subcarrier spacing of a legacy communication system, the pre-set number being an integer.

Method and apparatus for generating signal for low latency in wireless communication system

Growing community of inventors

Seoul, South Korea

Ilmu Byun