Method and apparatus for transmitting and receiving data channels in wireless communication system

    公开(公告)号:US11646816B2

    公开(公告)日:2023-05-09

    申请号:US16975086

    申请日:2019-02-20

    CPC classification number: H04L1/0013 H04L1/1812 H04W72/1289

    Abstract: The present disclosure relates to a communication technique for fusing, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. A method of a terminal according to an embodiment of the present invention comprises: receiving an indicator for changing a bandwidth from a base station; identifying whether there is a signal to be transmitted on the changed bandwidth at a time of transmitting hybrid automatic repeat request (HARQ) ACK information for data received on a secondary cell (SCell) from the base station; and multiplexing and transmitting the signal and the HARQ ACK information in case that there is a signal to be transmitted in the changed bandwidth.

    Method for transmitting control signal and channel in mobile communication system using unlicensed band

    公开(公告)号:US11496906B2

    公开(公告)日:2022-11-08

    申请号:US16871580

    申请日:2020-05-11

    Abstract: The present disclosure relates to a communication method which fuses a 5G communication system with IoT technology to support a higher data transfer rate than a 4G system, and a system thereof. The present disclosure may be applied to intelligent services such as smart homes, smart buildings, smart cars or connected cars, healthcare, digital education, retail business, security and safety services, etc., based on 5G communication technologies and IoT related technologies. More specifically, a method for operating a base station in a mobile communication system using an unlicensed band, according to the present invention, comprises the steps of: transmitting and receiving data to and from a terminal in a first cell; establishing a signal transmission timing related to a start symbol of a slot of a subframe for a second cell; occupying a resource by executing a sensing operation in a band corresponding to the second cell; and executing communication with the terminal in the occupied resource on the basis of the established signal transmission timing.

    Method and apparatus for indicating resources for uplink control channel in a mobile communication system

    公开(公告)号:US11463996B2

    公开(公告)日:2022-10-04

    申请号:US16847255

    申请日:2020-04-13

    Abstract: The present disclosure discloses a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of receiving uplink control information in a communication system. The method includes identifying a resource for receiving the uplink control information on a first uplink control channel from a terminal, transmitting first information associated with the resource to the terminal, transmitting second information associated with the resource to the terminal, and receiving the uplink control information on the uplink control channel based on the first information and the second information from the terminal.

    Method and device for supporting latency services via a logical channel in a mobile communication system

    公开(公告)号:US11412528B2

    公开(公告)日:2022-08-09

    申请号:US16347546

    申请日:2017-11-02

    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present invention suggests a method for transmitting and receiving signals satisfying a maximum delay time, and a method and a device for effectively processing signals that are influenced by the transmission and reception of the signals satisfying the maximum delay time.

    Method and apparatus for efficiently transmitting PDSCH using a resource region in a wireless communication system

    公开(公告)号:US11363551B2

    公开(公告)日:2022-06-14

    申请号:US16637143

    申请日:2018-08-07

    Abstract: Disclosed is 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, healthcare, digital education, retail, security, and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The purpose of the present invention is to efficiently transmit downlink data in a slot in which a synchronization signal block is transmitted and, according to the present invention, a base station in a communication system checks whether a synchronization signal block and downlink data are transmitted in the same slot, determines a downlink data transmission method when the synchronization signal block and the downlink data are transmitted in the same slot, and transmits the downlink data and a demodulation reference signal for the downlink data to a terminal on the basis of the downlink data transmission method, and the downlink data transmission method can be determined on the basis of at least one of the transmission pattern of the synchronization signal block, the relationship between the synchronization signal block and a subcarrier interval applied to the downlink data, and the index of the slot in which the synchronization signal block is to be transmitted.

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