公开(公告)号：US20190173607A1

公开(公告)日：2019-06-06

申请号：US16272480

申请日：2019-02-11

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Kunpeng Liu

IPC: H04L1/00 ,  H04B1/713 ,  H04B7/0404 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12

Abstract: This application discloses a data sending method, a signaling sending method, an apparatus, and a system, and relates to the communications field. The method includes: receiving, by a terminal, a downlink reference signal sent by an access network device; measuring, by the terminal, the downlink reference signal, to obtain a plurality of uplink precoding vectors; sending, by the terminal, SRSs to the access network device on a plurality of uplink SRS resources, where SRSs sent on different uplink SRS resources are precoded by using different uplink precoding vectors; receiving, by the terminal, uplink scheduling signaling sent by the access network device, where the uplink scheduling signaling is used to indicate a resource index of at least one uplink SRS resource.

公开(公告)号：US10314021B2

公开(公告)日：2019-06-04

申请号：US14326669

申请日：2014-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chi Gao ,  Liang Xia ,  Mingyu Zhou ,  Kunpeng Liu

IPC: H04W72/04 ,  H04L5/00

Abstract: Embodiments of the present invention provide a method for mapping control channel resources, a base station, and a user equipment. The method for mapping control channel resources includes: determining, by a base station, the number of E-CCEs multiplexed in one resource set, where the E-CCEs are borne over REs for transmission in the resource set, and the E-CCEs constitute an E-PDCCH; sending the E-PDCCH to a user equipment according to the determined number of E-CCEs multiplexed in one resource set; and receiving, by the user equipment, the E-PDCCH, and obtaining the number of E-CCEs multiplexed in one resource set. The embodiments of the present invention apply to a resource mapping.

公开(公告)号：US10312990B2

公开(公告)日：2019-06-04

申请号：US15909732

申请日：2018-03-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bingyu Qu ,  Jianqin Liu ,  Kunpeng Liu ,  Yongxing Zhou

IPC: H04B7/12 ,  H04B7/06 ,  H04B7/26 ,  H04L27/26 ,  H04L27/34 ,  H04L5/00

Abstract: A signal sending method includes: mapping, by a sending device, a first sequence onto M even-numbered subcarriers in 2M subcarriers, and mapping a second sequence onto M odd-numbered subcarriers in the 2M subcarriers, where the first sequence is one of a third sequence and a fourth sequence, the second sequence is the other of the third sequence and the fourth sequence, the 2M subcarriers are subcarriers on a same time domain symbol, and for elements of a second time domain sequence corresponding to the fourth sequence and a first time domain sequence corresponding to the third sequence at a same moment, when a complex factor is taken out, one of the first time domain sequence and the second time domain sequence is an in-phase component, and the other is a quadrature component; and transforming sequences mapped onto the 2M subcarriers to a time domain to generate transmit signals, and then sending the transmit signals.

公开(公告)号：US10270499B2

公开(公告)日：2019-04-23

申请号：US15727889

申请日：2017-10-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Leiming Zhang ,  Kunpeng Liu ,  Yongxing Zhou

IPC: H04B7/0413 ,  H04B7/04 ,  H04L1/06 ,  H04B7/06 ,  H04W4/02

Abstract: The present invention provides a data transmission method and device. The method includes: performing, by the first communications equipment, multi-stream data transmission with the second communications equipment according to a first antenna port, where the first antenna port is an antenna port, of the first communications equipment, satisfying a condition for multi-stream data transmission between the first communications equipment and the second communications equipment. The method provided in embodiments of the present invention improves applicability of a multi-stream data transmission system for line of sight propagation.

公开(公告)号：US20190081670A1

公开(公告)日：2019-03-14

申请号：US16188911

申请日：2018-11-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kunpeng Liu ,  Di Zhang

IPC: H04B7/0456 ,  H04B7/0426 ,  H04B7/06

Abstract: A channel information sending method, a data sending method, and a device are provided, to improve feedback precision of a precoding matrix. A first device includes: a receiving module, configured to receive a reference signal; a processing module, configured to measure the reference signal to obtain first channel information and second channel information; and a sending module, configured to send the first channel information and the second channel information. When generating the precoding matrix, the second device may perform weighted combination on M first vectors based on the weighted combination factor indicated by the received second channel information, instead of selecting only one eigenvector from a plurality of eigenvectors, so that the generated precoding matrix is more precise.

公开(公告)号：US10200880B2

公开(公告)日：2019-02-05

申请号：US15468525

申请日：2017-03-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rong Wen ,  Jia He ,  Kunpeng Liu

IPC: H04W16/28 ,  H04W24/02 ,  H04W24/04 ,  H04B17/12 ,  H04L5/00 ,  H04B7/06

Abstract: Embodiments of the present invention provide a beam adjustment method, user equipment, and a base station to resolve a problem of overlapping coverage, inter-beam interference. The method includes: sending, by a base station, beam information by using multiple beams, where the beam information includes a beam identifier and channel detection information that correspond to a beam; receiving the detection feedback information sent by the at least one user equipment; obtaining identifiers of Z beams carried in the detection feedback information, where Z is a positive integer greater than or equal to 1, and determining, in the Z beams, Z1 beams that need to be adjusted, where Z1 is a positive integer less than or equal to Z; and adjusting, for at least one time, Z1 antenna bays corresponding to the Z1 beams. The embodiments of the present invention are applied to beam adjustment.

公开(公告)号：US10177827B2

公开(公告)日：2019-01-08

申请号：US15235952

申请日：2016-08-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： JaeHyun Park ,  Bruno Clerckx ,  Kunpeng Liu

IPC: H04B7/06 ,  H04B7/10 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0413 ,  H04L5/00 ,  H04W88/02 ,  H04W88/08

Abstract: The embodiment of the disclosure discloses a base station, a mobile station and a method thereof. The base station includes a processor and a transceiver. The processor determines a first subgroup to which a first mobile station belongs, wherein the first mobile station is one of a plurality of mobile stations, the plurality of mobile stations are grouped into G groups based on spatial correlation, the mobile stations in each of the G groups are further grouped into S subgroups based on polarization, the mobile stations in a same subgroup have a same polarization and the mobile stations in different subgroups have different polarizations. The transceiver communicates with the first mobile station according to the polarization of the first subgroup. The embodiments of the disclosure utilize polarization jointly with the spatial correlation in dual structured procoding so that feedback overhead can be reduced.

公开(公告)号：US20180341595A1

公开(公告)日：2018-11-29

申请号：US16054636

申请日：2018-08-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Meng Gao ,  Kunpeng Liu

IPC: G06F12/1009 ,  G06F12/02 ,  G06F11/07 ,  G06F9/455

Abstract: A memory address assignment method and a virtual machine that runs on a host machine. The host machine includes a physical memory area with power failure protection, the virtual machine includes a virtual memory area with power failure protection. The method includes determining that a virtual memory address in which a page fault occurs in the virtual machine belongs to the virtual memory area with power failure protection, and assigning a physical memory address of the host machine from the physical memory area with power failure protection to the virtual memory address.

公开(公告)号：US20180309485A1

公开(公告)日：2018-10-25

申请号：US16015831

申请日：2018-06-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng Liu ,  Leiming Zhang ,  Jianghua Liu

IPC: H04B7/0456 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/04 ,  H04B7/0673 ,  H05K999/99

Abstract: A method for measuring and feeding back channel information and a corresponding apparatus are provided. In an embodiment the method includes determining, by a first network device, a first codebook from a first codebook set, wherein the first codebook set comprises at least two first codebooks, wherein a sub-vector Wx of each first codebook is formed by a zero vector and a non-zero vector, wherein vectors forming the Wx are associated with different groups of antenna ports, wherein each first codebook comprises at least one first sub-vector   [ V a 0 0 V a 1 0 ] and/or at least one second sub-vector   [ 0 V b 0 0 V b 1 ] , and wherein Va0 and Va1 are elements in the vector Va, and Vb0 and Vb1 are elements in the vector Vb and sending a codebook index to a second network device, wherein the codebook index is associated with the first codebook selected from the first codebook set.

公开(公告)号：US09900076B2

公开(公告)日：2018-02-20

申请号：US15198939

申请日：2016-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng Liu ,  Jianghua Liu

IPC: H04L7/00 ,  H04L27/06 ,  H04B7/06 ,  H01Q9/28 ,  H04B7/0456 ,  H04B7/04 ,  H04L5/00 ,  H04W72/04 ,  H01Q1/24 ,  H01Q21/26

CPC classification number: H04B7/0632 ,  H01Q1/246 ,  H01Q9/285 ,  H01Q21/26 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0602 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0691 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0094 ,  H04W72/046

Abstract: Embodiments of the present disclosure provide a method for acquiring channel information, an apparatus, and a system, relate to the communications field, and can reduce overhead of pilot signals in a process of acquiring channel state information. In various embodiments, a base station selects first preset antennas from an antenna array, maps the first preset antennas to pilot signals, and sends the pilot signals and antenna configuration information to a terminal, and the terminal obtains channel state information of second preset antennas by means of calculation according to the pilot signals and the antenna configuration information. The present disclosure can be applied for acquiring channel state information.