CHANNEL STATE INFORMATION REPORTING METHOD AND RELATED APPARATUS

    公开(公告)号:US20240022303A1

    公开(公告)日:2024-01-18

    申请号:US18477059

    申请日:2023-09-28

    CPC classification number: H04B7/0626 H04B7/0639

    Abstract: In accordance with an embodiment, a method includes: obtaining configuration information indicating first codebook subset information and second codebook subset information, wherein the first codebook subset information is associated with a first reference signal resource subset, the second codebook subset information is associated with a second reference signal resource subset, and the first reference signal resource subset and the second reference signal resource subset are respectively associated with different transmission configuration indication states; and sending a channel state information (CSI) report to a network device, wherein the CSI report is based on the first codebook subset information and the second codebook subset information.

    Channel measurement configuration method and communications apparatus

    公开(公告)号:US11870525B2

    公开(公告)日:2024-01-09

    申请号:US17337156

    申请日:2021-06-02

    CPC classification number: H04B7/0626 H04B17/336 H04L5/0051 H04W24/10

    Abstract: This application provides a channel measurement configuration method and a communications apparatus. The method includes: receiving, by a terminal device, a measurement configuration, where the measurement configuration includes a plurality of resource settings, and the plurality of resource settings include a plurality of resource settings for channel measurement and a plurality of resource settings for interference measurement; receiving, by the terminal device, channel state information reference signals CSI-RSs on resources configured in the plurality of resource settings; and generating, by the terminal device, a CSI group based on the CSI-RSs, where the CSI group includes one or more pieces of CSI. In embodiments of this application, a plurality of resource settings for channel measurement and a plurality of resource settings for interference measurement are associated in one report setting.

    Resource indication method, terminal device, and network device

    公开(公告)号:US11777680B2

    公开(公告)日:2023-10-03

    申请号:US17708437

    申请日:2022-03-30

    CPC classification number: H04L5/0048 H04W72/0446 H04W76/27

    Abstract: This application provides one or more resource indication methods, terminal devices, and network devices. An example method includes: receiving, by the terminal device, the first indication information, and determining time domain positions of a demodulation reference signal (DMRS) based on the mapping type of the physical shared channel and with reference to a position index of the last symbol occupied by the physical shared channel or a quantity of symbols occupied by the physical shared channel in the resource unit. The position index of the last symbol occupied by the physical shared channel in the resource unit corresponds to the first type, and the quantity of symbols occupied by the physical shared channel in the resource unit corresponds to the second type.

    Resource indication method, terminal device, and network device

    公开(公告)号:US11736254B2

    公开(公告)日:2023-08-22

    申请号:US17708437

    申请日:2022-03-30

    CPC classification number: H04L5/0048 H04W72/0446 H04W76/27

    Abstract: This application provides one or more resource indication methods, terminal devices, and network devices. An example method includes: receiving, by the terminal device, the first indication information, and determining time domain positions of a demodulation reference signal (DMRS) based on the mapping type of the physical shared channel and with reference to a position index of the last symbol occupied by the physical shared channel or a quantity of symbols occupied by the physical shared channel in the resource unit. The position index of the last symbol occupied by the physical shared channel in the resource unit corresponds to the first type, and the quantity of symbols occupied by the physical shared channel in the resource unit corresponds to the second type.

    Quasi-co-location indication method and apparatus

    公开(公告)号:US11705941B2

    公开(公告)日:2023-07-18

    申请号:US17370962

    申请日:2021-07-08

    CPC classification number: H04B7/024 H04B7/0608 H04L5/0023

    Abstract: This application relates to the field of communications technologies and provides a quasi co-location indication method and an apparatus, so that a terminal learns of a quasi co-location relationship between a plurality of antenna ports of a first reference signal resource. The method includes: A terminal receives quasi-co-location indication information, where the quasi-co-location indication information is used to indicate M antenna port groups corresponding to a first reference signal resource, each of the M antenna port groups includes one or more CDM groups of the first reference signal resource, the CDM group includes a plurality of antenna ports, and any two antenna ports in a same antenna port group are in a quasi-co-location relationship. Then, the terminal determines a quasi-co-location relationship between a plurality of antenna ports of the first reference signal resource based on the quasi-co-location indication information.

    CHANNEL PARAMETER OBTAINING METHOD AND APPARATUS

    公开(公告)号:US20230164004A1

    公开(公告)日:2023-05-25

    申请号:US18158216

    申请日:2023-01-23

    CPC classification number: H04L25/0224

    Abstract: Embodiments of this application disclose methods and apparatuses for obtaining channel parameters. In an implementation, a method includes, sending, by a network device, a precoded reference signal and indication information indicating K selected frequency domain bases, wherein the precoded reference signal is generated on P ports by mapping K virtual ports associated with the K selected frequency domain bases to each of the P ports through beamforming, wherein K is an integer greater than 1, and wherein the P ports are precoded channel state information reference signal (CSI-RS) ports of the network device and user equipment, and receiving, by the network device, a linear superposition coefficient sent by the user equipment, wherein the linear superposition coefficient corresponds to M frequency domain bases in the K selected frequency domain bases and T ports in the P ports, wherein 1≤T≤P, and 1≤M≤K.

    Data transmission method and device to reduce complexity of interleaving modulation symbols

    公开(公告)号:US11251997B2

    公开(公告)日:2022-02-15

    申请号:US16822781

    申请日:2020-03-18

    Abstract: This application provides a data transmission method and a device. The method includes: obtaining, by a transmit end device, a modulation symbol sequence in multiple time-frequency resource element groups, wherein a size of the time-frequency resource element group is agreed on in a protocol, or determined based on a transmission parameter; performing, by the transmit end device, interleaving processing on the modulation symbol sequence using the time-frequency resource element group as an interleaving unit, to obtain an order in which the modulation symbol sequence is mapped onto the multiple time-frequency resource element groups, wherein multiple consecutive modulation symbol groups in the modulation symbol sequence are mapped onto at least two of the multiple time-frequency resource element groups; and sending, by the transmit end device, the modulation symbol sequence in the order in which the modulation symbol sequence is mapped onto the multiple time-frequency resource element groups.

    Method for configuring channel state information reporting band and communications apparatus

    公开(公告)号:US11239950B2

    公开(公告)日:2022-02-01

    申请号:US16697115

    申请日:2019-11-26

    Abstract: An apparatus and method are provided for a quantity and size of subbands in a channel state information (CSI) reporting band for flexibility and reduced complexity of terminal addressing. The method includes: determining a channel state information subband size based on a bandwidth part (BWP), determining a quantity of channel state information subbands included in a channel state information reporting band based on (i) a carrier bandwidth (CC bandwidth), (ii) the BWP bandwidth or (iii) a channel state information reference signal (CSI-RS) bandwidth and the channel state information subband size. The method further includes determining an actual quantity of resource blocks included in a starting subband and an actual quantity of resource blocks in an ending subband in the channel state information subband.

    Information Transmission Method and Apparatus

    公开(公告)号:US20210337529A1

    公开(公告)日:2021-10-28

    申请号:US17372075

    申请日:2021-07-09

    Abstract: This application provides an information transmission method and apparatus. The method includes: receiving, by a terminal device, a plurality of downlink data channels, where the plurality of downlink data channels are scheduled through a plurality of downlink control channels; determining, by the terminal device based on the plurality of downlink data channels, one or more pieces of feedback information corresponding to at least two downlink data channels; and sending, by the terminal device, the one or more pieces of feedback information through a same uplink control channel.

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