METHOD FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

    公开(公告)号:US20210298038A1

    公开(公告)日:2021-09-23

    申请号:US17264794

    申请日:2019-08-01

    Abstract: Disclosed is a method for transmitting and receiving channel state information (CSI) in a wireless communication system, and an apparatus therefor. Specifically, in a method for reporting channel state information (CSI) by a user equipment (UE) in a wireless communication system, a plurality of BWPs are configured for the UE, and the plurality of BWPs include an activated first BWP and an inactivated second BWP, wherein the method may comprise the steps of: receiving, from a base station, information related to CSI for the second BWP on the first BWP; receiving a reference signal from the base station on the second BWP; performing a measurement on the basis of the reference signal; and transmitting, to the base station, CSI obtained on the basis of the measurement on the first BWP.

    METHOD FOR TRANSMITTING OR RECEIVING DOWNLINK SIGNAL AND DEVICE THEREFOR

    公开(公告)号:US20210266898A1

    公开(公告)日:2021-08-26

    申请号:US17056408

    申请日:2019-05-17

    Abstract: A method for receiving a downlink signal by a terminal in a wireless communication system is disclosed. In particular, the method may comprise: receiving a first downlink signal through a first component carrier on the basis of a particular reception beam; and receiving a second downlink signal through a second component carrier on the basis of the particular reception beam, wherein the first downlink signal and the second downlink signal correspond to different types, and the particular reception beam is determined on the basis of the first component carrier or the first downlink signal.

    METHOD FOR CHANNEL AND INTERFERENCE MEASUREMENT IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

    公开(公告)号:US20210120444A1

    公开(公告)日:2021-04-22

    申请号:US16608623

    申请日:2018-04-27

    Abstract: A method for channel and interference measurement in a wireless communication system according to an embodiment of the present disclosure is performed by a terminal, and may comprise the steps of: receiving a resource configuration for channel and interference measurement from a base station, wherein a resource for the channel and interference measurement is shared with a plurality of terminals served by the base station; and performing channel and interference measurement on the basis of the received resource configuration for the channel and interference measurement, wherein the resource for the channel and interference measurement includes a resource in which a resource for channel measurement and a resource for interference measurement are configured in a fully or partially overlapping manner, and the fully or partially overlapping resource may be configured in units of antenna ports or antenna port groups, which correspond to the resource for channel measurement.

    METHOD FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

    公开(公告)号:US20210099272A1

    公开(公告)日:2021-04-01

    申请号:US17043850

    申请日:2019-04-02

    Abstract: A method for a base station to receive channel state information in a wireless communication system is disclosed. The method includes transmitting, to a plurality of user equipments (UEs), CSI-RS for calculating the channel state information; receiving, from the plurality of UEs, angular information related to a channel state between the base station and the plurality of UEs based on the CSI-RS; transmitting, to the plurality of UEs, configuration information for calculating the channel state based on the angular information, the configuration information including information determining an operation mode of the plurality of UEs; and receiving, from the plurality of UEs, the channel state information calculated based on the operation mode.

    METHOD OF REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

    公开(公告)号:US20210051508A1

    公开(公告)日:2021-02-18

    申请号:US16993964

    申请日:2020-08-14

    Abstract: Disclosed are a method of reporting channel state information (CSI) in a wireless communication system and a device therefor. Specifically, a method of reporting channel state information (CSI) by a user equipment (UE) in a wireless communication system includes receiving a reference signal from a base station (BS), calculating CSI based on the reference signal, wherein the CSI includes information related to coefficients, elements of the information related to the coefficients are classified into a plurality of groups based on priority values, respectively, and the priority values increase in order in which a higher index and a lower index of indices of a frequency domain associated with the elements sequentially alternate each other based on a predefined specific index, and transmitting, to the BS, a CSI reporting configured by omitting a specific group according to priorities of the plurality of groups.

    METHOD AND APPARATUS FOR UPLINK SIGNAL TRANSMISSION BASED ON CODEBOOK IN A WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20210050890A1

    公开(公告)日:2021-02-18

    申请号:US16993971

    申请日:2020-08-14

    Abstract: A method in which a UE transmits an uplink signal, based on a codebook, in a wireless communication system includes: receiving downlink control information (DCI) for determining a precoding matrix, which is applied to transmission of the uplink signal, from a base station; determining a precoding matrix that is applied to transmission of the uplink signal from a codebook subset related to transmission of the uplink signal, based on the DCI; and transmitting the uplink signal to the base station, based on the determined precoding matrix, in which, based on that differences of phase values applied to antenna ports for transmitting the uplink signal are changed in all pairs of antenna ports, the codebook subset includes at least one specific precoding matrix for full power transmission.

    METHOD FOR TRANSMITTING AND RECEIVING FEEDBACK INFORMATION, AND TERMINAL THEREFOR

    公开(公告)号:US20200267767A1

    公开(公告)日:2020-08-20

    申请号:US16761486

    申请日:2018-11-08

    Abstract: A method by which a terminal transmits feedback information comprises the steps of: determining, in predetermined resource units for receiving the broadcast information in a broadcast resource region, whether broadcast information collides; selecting a first shared resource in a shared resource region corresponding to a first broadcast resource in which the conflict occurs in the broadcast resource region, on the basis of a pre-defined mapping rule of the broadcast resource region and the shared resource region; and transmitting, in the selected first shared resource, feedback information including information on the occurrence of the collision, wherein the broadcast resource region is a resource region, which is defined so as to transmit or receive the broadcast information, and the shared resource region can be determined as a resource region shared between a plurality of terminals. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

    METHOD FOR UPLINK TRANSMISSION AND RECEPTION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

    公开(公告)号:US20200213054A1

    公开(公告)日:2020-07-02

    申请号:US16725367

    申请日:2019-12-23

    Abstract: Disclosed is a method for uplink transmission and reception in a wireless communication system and an apparatus therefor. Particularly, a method for performing uplink transmission by a user equipment (UE) in a wireless communication system includes: receiving sounding reference signal (SRS) resource configuration information form a base station, in which the SRS resource configuration information includes SRS resource information and association configuration information between a first SRS and a second SRS that is a target of the SRS resource configuration information; and transmitting precoded the second SRS to the base station on an SRS resource indicated by the SRS resource information, and the second SRS may be transmitted based on the precoding applied to the first SRS indicated by the association configuration information.

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