Information transmission method and device

    公开(公告)号:US11329779B2

    公开(公告)日:2022-05-10

    申请号:US16696595

    申请日:2019-11-26

    Abstract: Embodiments of the present invention relate to the communications field, and disclose an information transmission method and device to implement beamforming on an SRS. A specific solution is as follows: A base station configures at least one first resource for a UE, where the first resource is used by the UE to transmit a target channel and/or signal; and the base station transmits first indication information to the UE, where the first indication information is used to indicate a correspondence between the first resource and a beam, or the first indication information is used to indicate a correspondence between the first resource and a second resource. The embodiments of the present invention are used in a beamforming process.

    Power control method for transmitting uplink channel

    公开(公告)号:US11134447B2

    公开(公告)日:2021-09-28

    申请号:US16579568

    申请日:2019-09-23

    Abstract: This application provides a power control method, a terminal, and a network device. The power control method includes: receiving, by a terminal, at least one piece of downlink control information (DCI) sent by at least one network device, where the at least one piece of DCI includes at least two transmit power control commands; and determining, by the terminal, a transmit power on an uplink channel in a same carrier based on the at least two transmit power control commands. According to the power control method in the embodiments of this application, the terminal can determine the transmit power on the uplink channel based on a plurality of transmit power control commands, thereby ensuring efficient and proper power allocation and improving overall system performance.

    Communication method, communications apparatus, and system

    公开(公告)号:US11018738B2

    公开(公告)日:2021-05-25

    申请号:US16712040

    申请日:2019-12-12

    Abstract: This application provides a communication method, to provide a codebook of a higher-order precoding matrix, and help increase a quantity of layers of data, thereby helping improve a data transmission capability and improving a throughput. The method includes: receiving, by a first device, a reference signal used for channel measurement; and sending, by the first device, at least one precoding matrix indicator PMI and a rank indication RI based on the reference signal, where the PMI is used to indicate a precoding matrix in a codebook corresponding to the RI, the precoding matrix in the codebook includes a plurality of matrices in a one-to-one correspondence with a plurality of antenna port groups, a matrix corresponding to one antenna port group or each of at least two antenna port groups has two different inter-antenna-port-group phase factors, and any two column vectors in the precoding matrix are orthogonal to each other.

    Power configuration method and device

    公开(公告)号:US10932208B2

    公开(公告)日:2021-02-23

    申请号:US16794073

    申请日:2020-02-18

    Abstract: A power configuration method and a device, the power configuration method including sending, by a first network device, M power configuration parameters to a second network device, where the M power configuration parameters are corresponding to M antenna port sets, wherein at least one of the M antenna port sets belongs to the first network device, where each power configuration parameter is used to calculate power of a downlink data channel between a corresponding antenna port set and the second network device, and where M is an integer greater than or equal to 2.

    INFORMATION TRANSMISSION METHOD AND DEVICE
    5.
    发明申请

    公开(公告)号:US20200099491A1

    公开(公告)日:2020-03-26

    申请号:US16696595

    申请日:2019-11-26

    Abstract: Embodiments of the present invention relate to the communications field, and disclose an information transmission method and device to implement beamforming on an SRS. A specific solution is as follows: A base station configures at least one first resource for a UE, where the first resource is used by the UE to transmit a target channel and/or signal; and the base station transmits first indication information to the UE, where the first indication information is used to indicate a correspondence between the first resource and a beam, or the first indication information is used to indicate a correspondence between the first resource and a second resource. The embodiments of the present invention are used in a beamforming process.

    Communication Method and Apparatus

    公开(公告)号:US20230036558A1

    公开(公告)日:2023-02-02

    申请号:US17952047

    申请日:2022-09-23

    Inventor: Haibao Ren Bo Xu

    Abstract: Embodiments disclose a communication method and a device. The method includes: processing first information, where a processing process includes π/2 binary phase shift keying (BPSK) modulation, layer mapping, discrete Fourier transform (DFT) precoding, precoding, and orthogonal frequency division multiplexing (OFDM) waveform generation; and sending the processed first information to a network device. According to embodiments, a peak to average power ratio (PAPR) can be reduced.

    Data transmission method and apparatus

    公开(公告)号:US11296839B2

    公开(公告)日:2022-04-05

    申请号:US16119264

    申请日:2018-08-31

    Abstract: A data transmission method is disclosed. The method includes: processing, by a network device, first data to obtain at least one first modulation symbol that is in a first antenna port set, where the first antenna port set includes at least one first antenna port; and sending, by the network device, the at least one first modulation symbol to a terminal device in a first subframe by using a first carrier, where the at least one first modulation symbol is different from at least one second modulation symbol that a network device sends to the terminal device in the first subframe by using the first carrier and that is in a second antenna port set, and the second antenna port set includes at least one second antenna port.

    Information transmission method and device

    公开(公告)号:US11277188B2

    公开(公告)日:2022-03-15

    申请号:US16579461

    申请日:2019-09-23

    Abstract: An information transmission method and a device are provided. The method includes: receiving antenna port grouping information from a terminal device, where the antenna port grouping information includes information about at least one antenna port group of the terminal device and information about at least one antenna port included in each antenna port group; sending indication information to the terminal device based on the antenna port grouping information, where the indication information is used to indicate an antenna port group set used by the terminal device to transmit uplink information at a first moment, the antenna port group set includes at least one first antenna port group, and the first antenna port group is one of antenna port groups indicated by the antenna port grouping information. The terminal device is prevented from continuously sending uplink information on a blocked antenna port.

    Communications method and system, and related device

    公开(公告)号:US11190316B2

    公开(公告)日:2021-11-30

    申请号:US16567965

    申请日:2019-09-11

    Abstract: The present disclosure relates to communications methods, systems, and devices. One example communications method includes when a base station determines that a quasi-co-location (QCL) relationship exists between antenna ports of at least two serving cells in a same serving cell group, sending, by the base station and to user equipment (UE), QCL indication signaling used to indicate that the QCL relationship exists between the antenna ports of the at least two serving cells in the same serving cell group, where the same serving cell group is a group predefined according to a preset rule or is a group obtained after the base station groups serving cells allocated to the UE.

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