公开(公告)号：US20200068535A1

公开(公告)日：2020-02-27

申请号：US16672046

申请日：2019-11-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Wang ,  Yuanjie Li ,  Hao Tang ,  Fan Wang ,  Zhenfei Tang

IPC: H04W72/02 ,  H04W72/04 ,  H04W72/12

Abstract: A resource indication method and an apparatus are provided, to increase a data reception success rate of a terminal. The method includes: receiving, by a terminal, first indication information from a base station, where the first indication information is used to indicate a resource configuration for a downlink data transmission, the resource configuration includes a time scheduling unit aggregation level and a time domain location in a single time scheduling unit, and the aggregation level represents a quantity of time scheduling units included in a resource for the downlink data transmission; and determining, by the terminal, that a time domain resource in the single time scheduling unit is valid for each time scheduling unit of one or more time scheduling unit a quantity of which is represented by the aggregation level, and receiving the downlink data transmission accordingly.

公开(公告)号：US10530450B2

公开(公告)日：2020-01-07

申请号：US15935035

申请日：2018-03-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haibao Ren ,  Yuanjie Li

IPC: H04B7/06 ,  H04L1/06 ,  H04W76/27 ,  H04L5/00 ,  H04W24/10 ,  H04B7/0456

Abstract: A multi-antenna channel measurement method is provided, where: a base station sends a first channel state information-reference signal (CSI-RS) and a second CSI-RS to the terminal, and the first CSI-RS and the second CSI-RS are separately sent by using antenna elements in orthogonal dimensions; the base station receives a first CSI measurement result for the first CSI-RS and the second CSI-RS and that is fed back by the terminal; and the base station sends a third CSI-RS to the terminal according to the first CSI measurement result, and the third CSI-RS has been precoded according to the first CSI measurement result; and the base station receives a third CSI measurement result that is for the third CSI-RS and that is fed back by the terminal. Therefore, reducing calculation complexity on a terminal side of channel measurement and reducing a resource occupied for channel measurement and feedback in a multi-antenna port.

公开(公告)号：US20190335475A1

公开(公告)日：2019-10-31

申请号：US16504264

申请日：2019-07-06

Applicant: Huawei Technologies Co., Ltd

Inventor： Jinyao Liang ,  Ting Wang ,  Yuanjie Li

IPC: H04W72/08 ,  H04L5/14 ,  H04L5/00 ,  H04W72/04

Abstract: Embodiments of the present invention provide a channel state information measurement method, including: receiving, by user equipment, configuration information for channel state information measurement from a radio network device, where the configuration information includes information about a resource for channel state information measurement and indicates information about a measurement attribute of the resource, and the measurement attribute includes channel measurement, or X types of interference measurement, or channel measurement and X types of interference measurement, where X is an integer greater than or equal to 1; and measuring, by the user equipment, channel state information based on the configuration information, and feeding back the channel state information. The method is intended to meet different requirements for channel state information measurement in different scenarios of coordinated multipoint in a future network.

公开(公告)号：US20190305905A1

公开(公告)日：2019-10-03

申请号：US16246077

申请日：2019-01-11

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Shengyue Dou ,  Yuanjie Li

IPC: H04L5/00 ,  H04W72/04 ,  H04W76/27

Abstract: An uplink sounding signal triggering method, system, and apparatus are provided to support a sounding reference signal (SRS) group scheduling or SRS switching function. The method includes: sending, by a base station, a downlink control information (DCI) using a physical downlink control channel (PDCCH), with the DCI including a sounding reference signal SRS control information intended for each UE of Y number of UEs, with Y comprising a positive integer greater than 1.

公开(公告)号：US20190173551A1

公开(公告)日：2019-06-06

申请号：US16270290

申请日：2019-02-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ting WANG ,  Jinyao Liang ,  Yuanjie Li

IPC: H04B7/06 ,  H04L25/03 ,  H04W24/10 ,  H04L1/00 ,  H04L5/00

Abstract: The present application discloses a measurement method and an apparatus, so that a measurement result meets a CoMP requirement while feedback overheads are reduced. The measurement method includes: sending, by a first network device, a restricted channel state information CSI measurement instruction to a second network device, where the restricted CSI measurement instruction is used to instruct the second network device to perform restricted CSI measurement; and receiving, by the first network device, CSI sent by the second network device, where the CSI is generated after the CSI measurement is completed based on the CSI measurement instruction.

公开(公告)号：US20190159184A1

公开(公告)日：2019-05-23

申请号：US16256317

申请日：2019-01-24

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Zhenfei Tang ,  Yuanjie Li

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/0048 ,  H04L5/0053

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for transmitting control information. The method includes: determining enhanced resource element group numbers in resource blocks, and determining, according to the resource element group numbers, positions of resource elements corresponding to enhanced resource element groups; interleaving the enhanced resource element group numbers, and determining an enhanced control channel element; determining, according to the enhanced control channel element and the positions of the resource elements corresponding to the enhanced resource element groups, positions of resource elements corresponding to the enhanced control channel element; and transmitting corresponding control information on the positions of the resource elements corresponding to the control channel element. The present invention alleviates a problem that channel frequency diversity is poor, and lowers the probability of loss of information of a terminal device.

公开(公告)号：US10237777B2

公开(公告)日：2019-03-19

申请号：US16003117

申请日：2018-06-08

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Jian Zhang ,  Lixia Xue ,  Qinghai Zeng ,  Yuanjie Li ,  Ting Wang

IPC: H04W36/00 ,  H04W28/02 ,  H04W8/08 ,  H04W16/02 ,  H04W24/02 ,  H04W40/22 ,  H04W72/04 ,  H04W74/08 ,  H04W84/04 ,  H04W88/10 ,  H04W92/14

Abstract: Embodiments of the present disclosure provide a method for transmitting and receiving a service between a terminal device and a base station. The terminal device receives radio resource configuration information and indication information from the base station. The radio resource configuration information includes frequency band information of N (N≥2) frequency ranges and characteristic information of radio interface technologies corresponding to each of the N frequency ranges. The indication information indicates a frequency range in which a physical layer resource is to be used by the terminal device to transmit and receive the service. Characteristics of the radio interface technologies include at least one of: a cyclic prefix (CP) length, a duration of an orthogonal frequency division multiplexing (OFDM) symbol, or a subcarrier spacing.

公开(公告)号：US10200827B2

公开(公告)日：2019-02-05

申请号：US15349733

申请日：2016-11-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yuanjie Li

IPC: H04W72/00 ,  H04W4/06 ,  H04L12/18 ,  H04W72/04 ,  H04W88/02 ,  H04L27/34

Abstract: The present invention relates to a signal transmission method and apparatus. The signal transmission method provided in embodiments of the present invention includes: determining a modulation type of service data that needs to be transmitted, where the modulation type includes hierarchical modulation and non-hierarchical modulation; modulating, by means of the hierarchical modulation when it is determined that the modulation type is the hierarchical modulation, the service data that needs to be transmitted, and sending a modulated hierarchical modulation signal to UE; and sending modulation configuration information to the UE, where the modulation configuration information includes information used to indicate the modulation type. By using the embodiments of the present invention, the system spectrum utilization efficiency and the system throughput can be greatly improved.

公开(公告)号：US20190036570A1

公开(公告)日：2019-01-31

申请号：US16149518

申请日：2018-10-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Na Deng ,  Haibao Ren ,  Yuanjie Li ,  Ting Wang

IPC: H04B7/024 ,  H04B7/0413 ,  H04W72/04

CPC classification number: H04B7/024 ,  H04B7/0413 ,  H04W16/28 ,  H04W28/16 ,  H04W72/042 ,  H04W72/0426 ,  H04W72/044

Abstract: A data transmission method and apparatus are provided. The method includes: receiving control information from a network side device, wherein the control information comprises transmission parameter indication information, wherein the transmission parameter indication information is used to indicate a quantity of transport layers for at least two codewords and port numbers of ports for the at least two codewords; and determining, based on the transmission parameter indication information, a quantity of transport layers for at least two codewords and port numbers of ports for the at least two codewords, wherein ports used by different codewords of the at least two codewords are non-quasi-co-location, and ports used by one codeword of the at least two codewords are quasi-co-location when the codeword has more than one port.

公开(公告)号：US10070464B2

公开(公告)日：2018-09-04

申请号：US14940625

申请日：2015-11-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenfei Tang ,  Yuanjie Li ,  Zhongfeng Li

IPC: H04W74/08 ,  H04L5/00 ,  H04L12/807 ,  H04W72/04 ,  H04L1/08

Abstract: The present invention provides a signal transmission method and apparatus, a communications system, a terminal, and a base station, where the method includes: determining a repetition factor or an extended sequence of a channel; determining a time domain resource according to the repetition factor or a length of the extended sequence, where the time domain resource is a transmission subframe; and sending a signal by using the transmission subframe of the channel. The signal transmission method, apparatus, communications system, terminal, and base station that are provided by the present invention can solve the technical problem of poor channel coverage in a signal transmission method in the prior art.