公开(公告)号：US20200052853A1

公开(公告)日：2020-02-13

申请号：US16654797

申请日：2019-10-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi QIN ,  Binbin ZHANG ,  Zhongfeng LI ,  Min ZHANG

IPC: H04L5/00 ,  H04W72/04

Abstract: A signal sending and receiving method includes: receiving, by a terminal device, at least one piece of resource configuration information for determining N reference signal resource groups, and each of the N reference signal resource groups includes at least one reference signal resource; and sending a reference signal on a resource in an ith reference signal resource group in the N reference signal resource groups by using a jth antenna group corresponding to the ith reference signal resource group, where the jth antenna group includes at least one antenna. The N reference signal resource groups correspond to N antenna groups, and any two of the N antenna groups are different.

公开(公告)号：US20200021404A1

公开(公告)日：2020-01-16

申请号：US16581557

申请日：2019-09-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi QIN ,  Zhongfeng LI ,  Yi REN

IPC: H04L5/00 ,  H04W72/12 ,  H04W72/04

Abstract: This application provides an information transmission method and a communications device. A first communications device sends first indication information to a second communications device, where the first indication information indicates a frequency resource used by the second communications device to send data in a time unit and a frequency resource used by the second communications device to receive data in the time unit, the frequency resource used to send data and the frequency resource used to receive data belong to a same frequency band, the frequency resource used to send data and the frequency resource used to receive data are differentiated based on frequencies in the time unit, and the frequency band is a segment of continuous frequency resources in frequency domain. In the foregoing information transmission method, the first communications device can flexibly allocate the frequency resources based on a network requirement, thereby improving resource utilization.

公开(公告)号：US20190260529A1

公开(公告)日：2019-08-22

申请号：US16403261

申请日：2019-05-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hao TANG ,  Zhongfeng LI

IPC: H04L5/00 ,  H04W72/04 ,  H04W28/06 ,  H04L27/26 ,  H04W72/12

Abstract: A carrier scheduling method and apparatus. The method comprises determining search spaces of downlink control channels corresponding to at least two first transmission time units on a first carrier, where the at least two first transmission time units are scheduled in one second transmission time unit on a second carrier, and the downlink control channels are in a one-to-one correspondence with the first transmission time units; and obtaining, in the search spaces, the downlink control channels corresponding to the at least two first transmission time units. In this application, a plurality of transmission time units on another carrier are scheduled in a cross-carrier manner, thereby improving transmission resource utilization.

公开(公告)号：US20190223044A1

公开(公告)日：2019-07-18

申请号：US16368724

申请日：2019-03-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Qin ,  Zhongfeng LI ,  Hua LI

IPC: H04W24/10 ,  H04W72/04 ,  H04W56/00 ,  H04W76/15 ,  H04L1/18

CPC classification number: H04W24/10 ,  H04L1/1819 ,  H04W56/0005 ,  H04W72/04 ,  H04W72/046 ,  H04W72/08 ,  H04W72/12 ,  H04W76/15

Abstract: Embodiments of this application provide a communication method, a base station, and a terminal device. The communication method includes: sending, by a base station, first indication information to a terminal device, where the first indication information is used to instruct the terminal device to perform uplink transmission by using at least one configured resource, and the at least one resource includes a resource that is different from a resource currently used by the terminal device; and receiving, by the base station, one or more signals sent by the terminal device by using one or more resources in the at least one resource according to the first indication information.

公开(公告)号：US20190028164A1

公开(公告)日：2019-01-24

申请号：US16141331

申请日：2018-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhongfeng LI ,  Ning WU ,  Yongzhao CAO

IPC: H04B7/06 ,  H04W72/04 ,  H04W72/08 ,  H04W72/12

Abstract: The application relates to a method for antenna port indication. A terminal receives information indicating an antenna port set of a pilot from a base station. The antenna port set is used for a resource block (RB) set and the pilot is used for data demodulation. And the terminal determines the antenna port set based on the received information. By implementing the solution in the application, transmission resource utilization is improved.

公开(公告)号：US20170150483A1

公开(公告)日：2017-05-25

申请号：US15425260

申请日：2017-02-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yingyu ZHANG ,  Zhenfei TANG ,  Zhongfeng LI

IPC: H04W72/04 ,  H04W76/04 ,  H04L5/00 ,  H04B7/26

CPC classification number: H04W72/042 ,  H04B7/2615 ,  H04L5/0007 ,  H04W72/044 ,  H04W76/27 ,  H04W88/02

Abstract: Embodiments of the present application provide a physical downlink data channel transmission method, a base station, and user equipment. The physical downlink data channel transmission method provided in the embodiments of the present application includes: mapping a physical downlink data channel to a time-frequency resource in at least one timeslot, where a time-frequency resource in each timeslot includes at least one enhanced physical resource block pair, and the enhanced physical resource block pair includes two consecutive physical resource blocks in a frequency domain in a same timeslot; and sending the physical downlink data channel to UE. In the embodiments of the present application, a transmission time interval of the physical downlink data channel can be reduced.

公开(公告)号：US20240323944A1

公开(公告)日：2024-09-26

申请号：US18680341

申请日：2024-05-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhongfeng LI ,  Zhang ZHANG ,  Qi FENG

IPC: H04W72/044 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/0453

CPC classification number: H04W72/046 ,  H04L5/0023 ,  H04W72/0446 ,  H04W72/0453

Abstract: Example communication methods and apparatuses are provided. One example method includes obtaining, by a first communication apparatus, a first time-frequency resource and one or more first beam, where the one or more first beam is used for sensing. The first communication apparatus sends the one or more first beam on the first time-frequency resource. The first communication apparatus determines a target beam based on a reflected beam of the one or more first beam, where the target beam corresponds to the first beam on which the reflected beam is received, the first beam included in the one or more first beam. The first communication apparatus determines a second time-frequency resource based on the target beam.

公开(公告)号：US20210385113A1

公开(公告)日：2021-12-09

申请号：US17408009

申请日：2021-08-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yu SUN ,  Yi QIN ,  Zhongfeng LI ,  Leiming ZHANG ,  Shengyue DOU

IPC: H04L25/03 ,  H04L1/00 ,  H04L5/00 ,  H04L25/02 ,  H04L27/26 ,  H04W72/12

Abstract: Embodiments of the present invention disclose a reference signal transmission method, including: sending, by a terminal, a first reference signal and a second reference signal; and correspondingly, receiving, by a network device, the first reference signal and the second reference signal, where the first reference signal is mapped to a plurality of symbols and is used for estimation of channel state information, the second reference signal is mapped to at least two of the plurality of symbols and is used for phase tracking, and a subcarrier to which the second reference signal is mapped on one of the at least two symbols has a same frequency-domain location as a subcarrier to which the second reference signal is mapped on the rest of the at least two symbols. With the foregoing solution, accuracy of channel state information estimation can be improved.

公开(公告)号：US20210223376A1

公开(公告)日：2021-07-22

申请号：US17206287

申请日：2021-03-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian LUO ,  Richard STIRLING-GALLACHER ,  Zhongfeng LI ,  Mario CASTANEDA

IPC: G01S13/00 ,  H04W4/40 ,  H04L5/00 ,  G01S13/931

Abstract: The present disclosure relates to a network device, in particular a User Equipment (UE) or a base station (BS), of a group of network devices involved in a cooperative passive positioning (CPP) operation comprising at least two network devices for detecting and positioning at least one target object. One example network device is configured to apply an operation mode from one or more of: initiating network device for initiating a CPP measurement, transmitting network device for transmitting a radio signal to scan for an environment of the network device, receiving network device for receiving a reflection signal based on a reflection of the radio signal from the at least one target object, and data fusion network device for detecting and positioning the at least one target object based on at least one of the reflection signal or a Line-of-Sight (LOS) signal.

公开(公告)号：US20210099270A1

公开(公告)日：2021-04-01

申请号：US16347520

申请日：2017-11-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hua LI ,  Yi QIN ,  Zhongfeng LI ,  Yi REN

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/06 ,  H04W76/27 ,  H04W24/10

Abstract: The present disclosure relates to the field of communications technologies, and discloses a resource indicating method, a device, and a system, so as to resolve a problem of resource indication for a control channel during communication in a beam manner. The method may include: sending, by a base station to user equipment by using higher layer signaling, indication information that indicates, to the user equipment, configuration information for receiving a first control channel; and receiving, by the user equipment, the indication information from the base station, and receiving, based on the configuration information indicated by the indication information, control information from the base station by using the first control channel.