Wilus Institute of Standards and Technology Inc.

Kt Corporation

Beijing Xiaomi Mobile Software Co., Ltd.

Google Inc.

Minseok Noh

Jinsam Kwak

Kyungjun Choi

Juhyung Son

Geunyoung Seok

Woo-jin Choi

Geonjung Ko

JuHyung Son

Hyukmin Son

Youngjoon Yoon

Kyujin Park

Kyungjun Lee

Seunghyun Kang

A base station of a wireless communication system is disclosed. The base station of the wireless communication includes a communication module, and a processor. The processor generates a preemption indicator indicating a preempted resource. In this case, the resource indicated by the preemption indicator does not include an orthogonal frequency divisional multiplexing (OFDM) symbol configured as an uplink (UL) symbol by a radio resource control (RRC) signal. The processor is configured to transmit the preemption indicator to a user equipment of the wireless system based on a predetermined period.

Method, apparatus, and system for transmitting or receiving control channel and data channel in wireless communication system

A base station in a wireless communication system is provided. Each base station for wireless communication comprises: a communication module; and a processor. The processor is configured to determine the number of dynamic slot format information (SFI) bits based on a maximum value of a slot format combination index which can be indicated by dynamic SFI transmitted to a terminal, and monitor a physical downlink control channel (PDCCH) including the dynamic SFI based on the number of the dynamic SFI bits. The slot format combination index identifies a slot format combination configured for the terminal. The slot format combination indicates a type of a symbol included in one or more slots, and the type of the symbol is one among a downlink symbol, an uplink symbol, and a flexible symbol.

Method for receiving physical control channel in wireless communication system, and device using same

A base station of a wireless communication system is disclosed. The base station of the wireless communication includes a communication module; and a processor configured to control the communication module. The processor receives a radio resource control (RRC) signal from abase station of the wireless communication system through the communication module and determines a time-frequency resource corresponding to at least one resource-set indicated by the RRC signal. The processor receives a physical control channel from the base station through the communication module, determines a time-frequency resource domain in which physical data channel reception of the terminal is scheduled by the physical control channel, and receives a physical data channel based on a time-frequency resource in which the physical data channel reception of the terminal is scheduled and a time-frequency resource in which the at least one resource-set overlap. The resource-set is a set of time-frequency resources.

Data transmission method and reception method for wireless communication system and device using same

The present invention relates to a wireless communication system, and specifically to: a method comprising the steps of receiving control information for transmitting a PUSCH, wherein the control information includes FDRA information, transmitting the PUSCH in a first RB set corresponding to a first hop within a UL BWP, wherein the first RB set is determined on the basis of the FDRA information, and transmitting the PUSCH in a second RB set corresponding to a second hop within the UL BWP, wherein the second RB set is adaptively determined on the basis of whether the second hop is in an SBFD slot in the time domain; and a wireless apparatus for same.

Method and device for transmitting signals in wireless communication system

A user equipment of a wireless communication system is disclosed. The user equipment includes a communication module, and a processor. The processor is configured to perform a first type channel access, which is a channel access based on a random backoff, for an autonomous uplink (AUL) transmission when a predetermined condition is not satisfied, perform a second type channel access, in which channel sensing for a predetermined single time interval without backoff, for the AUL transmission when the predetermined condition is satisfied, and perform the AUL transmission based on a result of the first type channel access or a result of the second type channel access. The AUL transmission is performed by the user equipment without an uplink (UL) grant received from a base station.

Method, device, and system for channel access in unlicensed band

The present specification relates to a device and method for transmitting an uplink control channel in a wireless communication system. Disclosed in the present specification is a method for transmitting a physical uplink control channel by means of a UE, the method including: a step for generating a first HARQ-ACK codebook related to a first PUCCH; a step for generating a second HARQ-ACK codebook related to a second PUCCH; and a step for transmitting simultaneously the first PUCCH and the second PUCCH or one PUCCH among the first PUCCH and the second PUCCH to a base station in one slot on the basis of a plurality of indicators. According to the present embodiments, the sequence for transmitting a plurality of PUCCHs including respectively different HARQ-ACKs in one slot is clarified, and thus the targeted performance of a 5G wireless communication system intended to simultaneously provide various types of traffic (eURLLC, eMBB) can be achieved.

Device and method for transmitting uplink control channel in wireless communication system

The present invention relates to a wireless communication system and, more particularly, to a method comprising the steps of: receiving a PDCCH for multi-slot scheduling; determining a PDSCH candidate for each slot on the basis of information in the PDCCH; and transmitting a semi-static HARQ-ACK codebook on the basis of the determined PDSCH candidate of each slot, and to an apparatus therefor.

Method, apparatus, and system for transmitting HARQ-ACK codebook in wireless communication system

The present specification relates to a method, a device, and a system for transmitting a physical uplink control channel in a wireless communication system. The present specification discloses a terminal comprising: a communication module for receiving, from a base station, information on a PUCCH serving cell corresponding to a serving cell on which a PUCCH is to be transmitted, generating the PUCCH, and transmitting the generated PUCCH on the PUCCH serving cell; and a processor for configuring the PUCCH serving cell on the basis of the information on the PUCCH serving cell. The terminal can effectively transmit uplink control information.

Method, device, and system for transmitting physical uplink control channel in wireless communication system

The present invention relates to a wireless communication system and, more specifically, to a method and a wireless device therefor, the method comprising the steps of: successfully accessing channels in one or more sensing beams before a channel occupancy (CO) starts, each sensing beam covering one or more transmission beams in the CO; and, after transmission using a first transmission beam in the CO, performing a channel access procedure on a sensing beam corresponding to a second transmission beam in order to perform transmission using the second transmission beam in the CO.

There is disclosed a method for transmitting a physical uplink shared channel (PUSCH) to a base station by a user equipment in a wireless communication system. The user equipment may receive a first physical downlink control channel (PDCCH) including first downlink control information (DCI) from the base station, and release the activated configuration for repetitive transmission of the PUSCH based on the received DCI.

Method, device, and system for transmitting or receiving physical uplink shared channel (PUSCH) in wireless communication system

In a wireless communication system, a terminal may comprise a transceiver and a processor for controlling the transceiver, wherein the processor configures a first subband for uplink transmission in a time domain interval and a second subband for downlink reception in the time domain interval, performs the uplink transmission through a first resource configured for the uplink transmission in the first subband, and performs the downlink reception through a second resource configured for the downlink reception in the second subband.

Method for configuring subband in wireless communication system and device therefor

The present specification relates to a method, an apparatus, and a system for transmitting uplink control information in a wireless communication system. The present specification provides a terminal comprising: a processor configured to determine a UCI to be dropped from among a first UCI having a first priority and a second UCI having a second priority or to multiplex the first UCI and the second UCI, under the condition in which a first PUCCH, to which the first UCI is mapped, and a second PUCCH, to which the second UCI is mapped, overlap in at least one symbol with respect to time; and a communication module configured to transmit an undropped UCI from among the first UCI and the second UCI to a base station or transmit a third PUCCH, in which the first UCI and the second UCI are multiplexed to be mapped thereto, to the base station according to the control of the processor. Communication reliability can be increased by multiplexing and transmitting UCIs having different priorities or later retransmitting a dropped UCI.

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

A method for receiving a downlink channel by a terminal in a wireless communication system includes: receiving, from a base station, first information related to a guard band in a first resource region located in one carrier; receiving, from the base station, second information related to multiple resource sets, each of which is identified by the guard band in the first resource region on the basis of the first information; and receiving, from the base station, a downlink channel on a resource indicated by the second information to be available for reception of the downlink channel.

Growing community of inventors

Seoul, South Korea

Minseok Noh