Method and apparatus for transmitting control and data information in wireless cellular communication system

    公开(公告)号:US11240790B2

    公开(公告)日:2022-02-01

    申请号:US16467809

    申请日:2018-01-25

    Abstract: The present disclosure relates to a communication technique for joining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system, and a system thereof. The disclosure may be applied to intelligent services (for example, a smart home, a smart building, a smart city, a smart car or a connected car, a health care, a digital education, retailing, security and safe-related service, etc.) on the basis of a 5G communication technology and an IoT related technology. The present disclosure relates to a wireless communication system, and to a method and an apparatus for smoothly providing a service in a communication system. More particularly, the present disclosure relates to a method and an apparatus for transmitting and receiving downlink and uplink control information within a communication system.

    Method and apparatus for blind-decoding physical downlink control channel (PDCCH) in wireless communication system

    公开(公告)号:US11206102B2

    公开(公告)日:2021-12-21

    申请号:US16724070

    申请日:2019-12-20

    Abstract: A communication technique for convergence of IoT technology and a 5G communication system for supporting a higher data transfer rate beyond a 4G system, and a system therefor. The disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) based on 5G communication technology and IoT-related technology. According to the disclosure, a method of a terminal of a wireless communication system includes: identifying k′ corresponding to a slot offset value based on a time-domain resource allocation table configured for the terminal; receiving, from a base station, a physical downlink control channel (PDCCH) signal for scheduling data transmission in a k-th slot; and blind-decoding the received PDCCH signal in a (k+k′)-th slot, wherein k′ corresponds to a minimum value among slot offset values configured as the time-domain resource allocation table.

    Method and apparatus for transmitting and receiving downlink control signal in wireless communication system

    公开(公告)号:US11159300B2

    公开(公告)日:2021-10-26

    申请号:US16645262

    申请日:2018-09-21

    Abstract: The present disclosure relates to a communication technique for fusing a 5G communication system to support a higher data rate than a 4G system with IoT technology; and a system thereof. In embodiments according to the disclosure provide an improved method for transmitting and receiving a control channel. A method performed by a base station according to disclosed aspects includes: transmitting first control area setting information containing first demodulation reference signal (DMRS) setting information for a first control area, transmitting second control area setting information containing second DMRS setting information for a second control area, identifying a third control area where the first control area overlaps with the second control area, and transmitting a DMRS on the basis of the first DMRS configuration information in the first control area including the third control area. A corresponding method performed by a terminal, a base station and a terminal are also described.

    Method and apparatus for measuring interference in wireless communication system

    公开(公告)号:US11121786B2

    公开(公告)日:2021-09-14

    申请号:US16749361

    申请日:2020-01-22

    Abstract: An operating method and an apparatus for measuring interference of a user equipment in a wireless communication system are provided. The operating method includes receiving configuration information for interference measurement, from a base station of a serving cell, detecting a downlink reception timing based on a downlink signal received from the base station, determining an interference measurement timing based on the downlink reception timing and a timing advance (TA) offset of the serving cell, and performing interference measurement according to the configuration information at the determined interference measurement timing.

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

    公开(公告)号:US11071097B2

    公开(公告)日:2021-07-20

    申请号:US16609664

    申请日:2018-05-02

    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. A control method by a terminal, according to one embodiment of the present invention, can comprise the steps of: receiving PUCCH configuration information, which includes first information on a PUCCH resource and second information on the number of slots for repeatedly transmitting PUCCH; and determining, on the basis of the PUCCH configuration information and slot format information, the slots by which the PUCCH is to be repeatedly transmitted.

    COMMUNICATION METHOD AND APPARATUS IN FULL-DIMENSIONAL MULTIPLE-INPUT MULTIPLE-OUTPUT MOBILE COMMUNICATION SYSTEM

    公开(公告)号:US20210218517A1

    公开(公告)日:2021-07-15

    申请号:US17217980

    申请日:2021-03-30

    Abstract: A method for transmitting and receiving channel state information at a terminal of a mobile communication system according to an embodiment of the preset specification comprises the steps of: determining at least one of first precoding information and first rank information corresponding to a first dimension; receiving, from a base station, a reference signal corresponding to a second dimension; determining at least one of second precoding information and second rank information corresponding to the second dimension, on the basis of the reference signal; and transmitting, to the base station, channel state information which has been determined on the basis of at least one of the first precoding information, the first rank information, the second precoding information and the second rank information. According to an embodiment of the present specification, it is possible to correctly transmit and receive pre-coding information and channel state information at a terminal and a base station including a plurality of antennas, and to reduce an overhead occurring at the time of transmission and reception.

    Method and apparatus for transmitting downlink control information in wireless communication system

    公开(公告)号:US11057825B2

    公开(公告)日:2021-07-06

    申请号:US16727485

    申请日:2019-12-26

    Abstract: The 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). A method of a user equipment is provided. The method includes identifying a first bandwidth part for a cell and a second bandwidth part for the cell through a radio resource control signaling, wherein each of the first bandwidth part and the second bandwidth part is defined with a corresponding subcarrier spacing and frequency domain location; identifying a first control resource set on the first bandwidth part and a second control resource set on the second bandwidth part through the radio resource control signaling; and acquiring second downlink control information for the second bandwidth part based on the first control resource set on the first bandwidth part being activated.

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