公开(公告)号：US11246101B2

公开(公告)日：2022-02-08

申请号：US16349429

申请日：2017-01-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang ,  Guorong Li ,  Hongcheng Zhuang ,  Richard Stirling-Gallacher

IPC: H04W52/24 ,  H04W52/08 ,  H04W52/16 ,  H04W52/42 ,  H04W72/04

Abstract: A power control method includes: obtaining, by a first terminal, parameter information required for power control, where the parameter information includes at least one of a first parameter, a second parameter, and a third parameter; and determining, by the first terminal based on the parameter information, uplink transmit power used when uplink transmission is performed on a target beam or a target beam pair; where the first parameter includes a beam reception gain of a network device and/or a beam sending gain of the first terminal; the second parameter is used to indicate interference caused by a second terminal to the first terminal on the target beam; and the third parameter includes beam-specific target power and/or terminal-specific target power.

公开(公告)号：US11096156B2

公开(公告)日：2021-08-17

申请号：US16301385

申请日：2016-05-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang

IPC: H04W72/04 ,  H04B7/06 ,  H04L1/18 ,  H04W74/08

Abstract: A uplink information sending method is provided, including: sending, by a base station, at least one of first transmission indication information of first uplink information and second transmission indication information to user equipment UE, where the first transmission indication information includes a subframe and/or a carrier on which the base station instructs the UE to send the first uplink information; and the first transmission indication information and/or the second transmission indication information are/is used to indicate UE behavior when a collision occurs. The uplink information sending method provided in the present invention is used to mitigate impact of a carrier collision on processing efficiency of the UE.

公开(公告)号：US20210212129A1

公开(公告)日：2021-07-08

申请号：US17212590

申请日：2021-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang ,  Chunhua You

IPC: H04W74/08 ,  H04W74/00 ,  H04W52/14

Abstract: A random access preamble sending method includes sending, by a terminal device, a first random access preamble to a network device, and sending, by the terminal device during a first time period, a second random access preamble to the network device when the terminal device does not receive a random access response and when a first sending moment arrives, where the first time period is a time window to receive the random access response from the network device, and wherein the first time period comprises the first sending moment.

公开(公告)号：US20210185547A1

公开(公告)日：2021-06-17

申请号：US17057462

申请日：2019-05-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peiyao Zhao ,  Zhaocheng Wang ,  Kai Xu ,  Hongcheng Zhuang ,  Yanliang Sun ,  Lili Zhang

IPC: H04W16/28 ,  H04W72/08 ,  H04W72/04

Abstract: A communication method includes receiving first beam feedback information from a wide beam terminal, where the first beam feedback information includes information about a first wide beam and information about M wide beams whose signal quality meets a first condition, receiving second beam feedback information from a narrow beam terminal, where the second beam feedback information includes information about a second wide beam and information about N wide beams whose signal quality meets a second condition, receiving, from the narrow beam terminal, information about a first narrow beam, where the first narrow beam is a narrow beam covered by the second wide beam, and determining, based on the first beam feedback information, the second beam feedback information, and the information about the first narrow beam, whether to transmit downlink data to the wide beam terminal and the narrow beam terminal.

公开(公告)号：US20210168855A1

公开(公告)日：2021-06-03

申请号：US17169763

申请日：2021-02-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang ,  Jiayin Zhang

IPC: H04W74/00 ,  H04W74/08 ,  H04W72/04 ,  H04W72/12

Abstract: An information transmission method and an apparatus, where the method includes: sending first indication information to a terminal, where the first indication information is used to indicate a format configuration of one or more time units in first time duration, where the format configuration is a time domain structure configuration of the one or more time units in a transmission direction, where the first time duration is not greater than second time duration, and where the second time duration is a maximum channel occupancy time of a network device.

公开(公告)号：US11026179B2

公开(公告)日：2021-06-01

申请号：US16842922

申请日：2020-04-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lili Zhang

IPC: H04W52/08 ,  H04W52/14 ,  H04L5/00 ,  H04W52/24 ,  H04W52/32 ,  H04W72/04 ,  H04W52/34 ,  H04W8/26

Abstract: A method includes obtaining a power control parameter for a sounding reference signal (SRS), where the power control parameter for the SRS includes at least one of a target power parameter value for the SRS, a path loss compensation factor, and a closed-loop power control parameter value for the SRS. The method further includes determining transmit power for the SRS on a first carrier based on the power control parameter for the SRS.

公开(公告)号：US11019626B2

公开(公告)日：2021-05-25

申请号：US16303690

申请日：2016-05-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chen Dong ,  Yongbo Zeng ,  Jian Wang ,  Lili Zhang

IPC: H04L12/28 ,  H04W72/04 ,  H04W72/08 ,  H04J1/16

Abstract: The present invention discloses a method and an apparatus for data transmission. The method includes: determining a quantity N of first virtual resource blocks VRBs corresponding to first user equipment UE, where the N first VRBs correspond to N virtual subbands for carrying to-be-transmitted data of the first UE, and N is a natural number greater than or equal to 1; determining, based on the quantity N of the first VRBs, a first step corresponding to the N first VRBs, where the first step is used to indicate a distance between two adjacent physical subbands to which the N first VRBs are mapped in a physical resource, and the first step is greater than 1; and determining, based on the first step, N first PRBs corresponding to the N first VRBs, where the N first PRBs correspond to N physical subbands for carrying the to-be-transmitted data.

公开(公告)号：US10772044B2

公开(公告)日：2020-09-08

申请号：US16094371

申请日：2016-04-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang ,  Guorong Li

IPC: H04W52/08 ,  H04W52/24 ,  H04W52/42 ,  H04W72/04 ,  H04W52/14 ,  H04W88/02

Abstract: A power control method, a network-side device, and a user equipment (UE), where the power control method includes obtaining, by a network-side device, at least two target subframe sets, and configuring, by the network-side device, power control parameters respectively corresponding to different target subframe sets on a flexible time-frequency resource for UE such that the UE transmits data in subframes in the target subframe sets according to the power control parameters, where the flexible time-frequency resource includes a time domain resource or a frequency domain resource whose transmission direction is configurable.

公开(公告)号：US10574377B2

公开(公告)日：2020-02-25

申请号：US15778991

申请日：2015-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang ,  Richard Stirling-Gallacher

IPC: H04J11/00 ,  H04W16/10 ,  H04W48/12 ,  H04W48/16 ,  H04W72/08

Abstract: An interference suppression method, apparatus, and system to suppress interference between an uplink signal and a downlink signal, and improve communication quality. The method includes determining, by a first base station, control channel indication information of a first cell, where the first cell is any one of cells managed by the first base station, and the control channel indication information includes at least one piece of the following information of control channel indication information of a contradirectional-transmission frequency band on which the first cell is interfered with by a neighboring cell, or control channel indication information of a contradirectional-transmission subframe in which the first cell is interfered with by a neighboring cell, and sending, by the first base station, the control channel indication information to a second base station, where the second base station is a base station of the neighboring cell.

公开(公告)号：US20190357149A1

公开(公告)日：2019-11-21

申请号：US15750746

申请日：2015-08-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Zhang

IPC: H04W52/14 ,  H04L5/16 ,  H04W72/14 ,  H04W72/12 ,  H04L1/00

Abstract: A full-duplex transmission control method, user equipment, and a base station, where the full-duplex transmission control method includes obtaining, by user equipment, a first time resource unit, correcting, by the user equipment according to a power offset obtained by the user equipment, first uplink transmission power used for half-duplex transmission to obtain second uplink transmission power used for the full-duplex transmission when the user equipment obtains, from the first time resource unit, included scheduling grant information indicating full-duplex transmission, and transmitting, by the user equipment, an uplink signal in the first time resource unit or a second time resource unit according to the second uplink transmission power, where the second time resource unit is a time resource unit that is after the first time resource unit in terms of time.