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

    公开(公告)号:US10433293B2

    公开(公告)日:2019-10-01

    申请号:US15638253

    申请日:2017-06-29

    Abstract: A method for receiving a downlink signal according to a Demodulation Reference Signal (DMRS)-based transmission scheme, performed by a mobile terminal, in a wireless communication system is disclosed. The method includes receiving indication information indicating whether rate matching or timewise Resource Element (RE) pairing is allowed for REs that do not constitute frequency-wise RE pairs for Space Frequency Block Coding (SFBC) on symbols to which DMRSs are mapped in a Resource Block (RB) for a DL data channel, and decoding the downlink data channel, on assumption that the REs that do not constitute frequency-wise RE pairs for SFBC are rate-matched, or constitute time-wise RE pairs to which transmission data is mapped, according to the indication information.

    Method for transmitting/receiving channel state information in wireless communication system, and device for same

    公开(公告)号:US10432287B2

    公开(公告)日:2019-10-01

    申请号:US15767124

    申请日:2016-10-07

    Abstract: Disclosed are a method for transmitting/receiving channel state information in a wireless communication system and a device for same. In particular, a method of reporting channel state information (CSI), by a user equipment (UE) in a wireless communication system comprises the steps of: receiving, from an eNB, a CSI process configuration comprising interference measurement restriction information indicating interference measurement restriction; and reporting, to the eNB, CSI corresponding to a CSI process configured by the CSI process configuration, wherein when a first subframe set and a second subframe set are configured for the CSI process, the interference measurement restriction can be independently configured for each of the first subframe set and the second subframe set.

    Method state in wireless communication system, and device therefor

    公开(公告)号:US12170561B2

    公开(公告)日:2024-12-17

    申请号:US17607832

    申请日:2020-04-29

    Abstract: Disclosed in the present disclosure are a method for reporting channel state information (CSI) in a wireless communication system, and a device therefor. Specifically, a method for user equipment (UE) to report channel state information (CSI) in a wireless communication system comprises: a step for receiving CSI-related configuration information from a base station (BS); a step for receiving a reference signal from the base station; a step for calculating the CSI on the basis of the reference signal; and a step for transmitting the CSI to the base station. The step for calculating the CSI includes a step for quantizing a magnitude coefficient included in a matrix related to a codebook, a first set of reference amplitude and a second set of differential amplitude for the quantization of o the magnitude coefficient are predefined, and the magnitude coefficient may be quantized on the basis of a subset of (i) the first set and (ii) the second set.

    Method and device for transmitting and receiving wireless signal in wireless communication system

    公开(公告)号:US12143222B2

    公开(公告)日:2024-11-12

    申请号:US18094291

    申请日:2023-01-06

    Abstract: The present invention relates to a method and a device for same, the method comprising the steps of: receiving control information for disabling at least one among a plurality of hybrid automatic repeat and request (HARQ) processes; receiving a downlink signal on the basis of the control information; and determining whether to perform HARQ feedback for the downlink signal on the basis of a HARQ-acknowledgement (HARQ-ACK) codebook determined on the basis of the control information, wherein the HARQ-ACK codebook is determined on the basis of at least one enabled HARQ process among the plurality of HARQ processes.

    Method and apparatus for transmitting and receiving channel state information in wireless communication system

    公开(公告)号:US12113597B2

    公开(公告)日:2024-10-08

    申请号:US17760044

    申请日:2021-02-15

    CPC classification number: H04B7/0626 H04L5/0048

    Abstract: Disclosed are a method and apparatus for transmitting and receiving channel state information in a wireless communication system. The method for transmitting channel state information (CSI) according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, configuration information related to the CSI, wherein the configuration information includes information about a CSI-RS resource set; receiving a CSI-reference signal (CSI-RS) from the base station; and transmitting the CSI, to the base station, on the basis of the configuration information and the CSI-RS. The CSI-RS resource set may include M CSI-RS resource groups (M is a natural number), and the CSI may include N first CSI sets generated on the basis of a single CSI-RS resource in N mutually different CSI-RS resource groups (N≤M, N is a natural number) from among the M CSI-RS resource groups.

    Method for reporting channel state information in wireless communication system, and device for same

    公开(公告)号:US12075456B2

    公开(公告)日:2024-08-27

    申请号:US17635656

    申请日:2020-08-13

    CPC classification number: H04W72/542 H04W72/0453 H04W72/046 H04W72/56

    Abstract: Disclosed are a method for reporting channel state information in a wireless communication system, and a device for same.
    Specifically, a method for a user equipment (UE) to report channel state information (CSI) in a wireless communication system includes: receiving bandwidth part (BWP) configuration information related to a BWP; receiving information for activating a specific bandwidth part among one or more bandwidth parts based on the BWP configuration information; receiving a reference signal; calculating CSI based on the reference signal; and transmitting the CSI by omitting a part of the CSI in the activated specific bandwidth part, based on a priority rule, wherein the CSI includes information related with coefficients, and each of elements of the information related to the coefficients is classified as a first group and a second group based on a priority value, wherein the priority value is determined as an order in which a higher index and a lower index of indexes of a frequency domain related to the elements are sequentially crossed based on a predefined specific index, and wherein a priority of the first group is defined as being higher than a priority of the second group in the priority rule.

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