公开(公告)号：US20240356610A1

公开(公告)日：2024-10-24

申请号：US18757609

申请日：2024-06-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Chen HU ,  Shijie CAI ,  Zhening ZHANG ,  Kunpeng LIU

IPC: H04B7/06 ,  H04L5/00 ,  H04L25/02 ,  H04W8/22

CPC classification number: H04B7/0626 ,  H04L5/0051 ,  H04L25/0204 ,  H04W8/22

Abstract: A communication method and apparatus are provided. The method includes: A terminal device receives a first downlink reference signal from a first network device, and the terminal device receives a second downlink reference signal from a second network device. The terminal device determines channel state information. The channel state information is determined based on a ratio of a first channel estimation value to a second channel estimation value. The first channel estimation value is determined based on the first downlink reference signal, and the second channel estimation value is determined based on the second downlink reference signal. The terminal device sends the channel state information.

公开(公告)号：US20240223425A1

公开(公告)日：2024-07-04

申请号：US18408111

申请日：2024-01-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bingyu QU ,  Xianda LIU ,  Mingxin GONG ,  Kunpeng LIU

IPC: H04L27/26 ,  H04L5/00 ,  H04L27/20

CPC classification number: H04L27/261 ,  H04L5/0048 ,  H04L27/20 ,  H04L27/26025

Abstract: The present disclosure relates to signal processing methods and apparatus. One example method includes determining a first sequence {x(n)} based on a preset condition and a sequence {s(n)}, generating a reference signal of a first signal by using the first sequence, and sending the reference signal on a first frequency-domain resource. The preset condition is xn=y(n+M)mod K, where






y
n

=

A
·

e


j
×
π
×

s
n


8




,




M∈{0, 1, 2, . . . , 5}, a length of the first sequence is K=6, n=0, 1, . . . , K−1, A is a non-zero complex number, and j=√{square root over (−1)}. The first signal is a signal modulated by using π/2 binary phase shift keying (BPSK). The first frequency-domain resource comprises K subcarriers each having a subcarrier number of k, k=u+L*n+delta, L is an integer greater than or equal to 2, delta∈{0, 1, . . . , L−1}, u is an integer, and subcarrier numbers of the K subcarriers are numbered in ascending or descending order of frequencies.

公开(公告)号：US20230318776A1

公开(公告)日：2023-10-05

申请号：US18330922

申请日：2023-06-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Kunpeng LIU

IPC: H04L5/00 ,  H04B7/0413

CPC classification number: H04L5/0048 ,  H04B7/0413

Abstract: A DMRS port indication method and an apparatus are provided, to meet NC-JT transmission. A network device determines DMRS port indication information, and sends the DMRS port indication information. The DMRS port indication information is used to indicate a DMRS port set, the DMRS port set is one of a plurality of DMRS port sets, DMRS ports included in at least one of the plurality of DMRS port sets belong to a plurality of CDM groups, and a quantity of codewords corresponding to each of the plurality of DMRS port sets is 1. A part or all of the plurality of DMRS port sets are first DMRS port sets, and each first DMRS port set includes at least a DMRS port with a largest port number in a first CDM group and a DMRS port with a largest port number in a second CDM group.

公开(公告)号：US20210345308A1

公开(公告)日：2021-11-04

申请号：US17371576

申请日：2021-07-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Kunpeng LIU ,  XU ZHANG ,  Xiang GAO

IPC: H04W72/04

Abstract: This application provides an information transmission method and a communications apparatus. The method includes: determining a correspondence between a first aggregation level (AL) set associated with a plurality of first physical downlink control channel (PDCCH) candidates and a second AL set associated with a plurality of second PDCCH candidates; and monitoring at least one of the plurality of first PDCCH candidates and/or at least one of the plurality of second PDCCH candidates based on the correspondence.

公开(公告)号：US20210167829A1

公开(公告)日：2021-06-03

申请号：US17171627

申请日：2021-02-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru LI ,  Ruiqi ZHANG ,  Kunpeng LIU ,  Xianda LIU ,  Yongxing ZHOU

IPC: H04B7/06 ,  H04W72/04 ,  H04B17/345 ,  H04L5/00

Abstract: This application provides a channel state information reporting method and apparatus. The method includes: A terminal device receives M pieces of downlink control information, where first downlink control information in the M pieces of downlink control information indicates a first channel state information configuration, the first channel state information configuration is associated with a first channel state information interference measurement CSI-IM resource group, and the first CSI-IM resource group includes N1 CSI-IM resources, where M and N1 are positive integers, and N1 is greater than 1; and the terminal device measures a target CSI-IM resource, and reports channel state information, where the target CSI-IM resource is determined by the terminal device from the N1 CSI-IM resources based on M, and a quantity of target CSI-IM resources is less than N1.

公开(公告)号：US20240406049A1

公开(公告)日：2024-12-05

申请号：US18737732

申请日：2024-06-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Mingxin GONG ,  Bingyu QU ,  Kunpeng LIU

IPC: H04L27/26 ,  H04J13/00 ,  H04L25/02

Abstract: This application provides a sequence-based signal processing method and apparatus. An example signal processing method includes: determining a sequence {xn} including N elements, where N is equal to 18, and the sequence {xn} satisfies a preset condition; generating a first signal based on the sequence {xn}; and sending the first signal.

公开(公告)号：US20240204956A1

公开(公告)日：2024-06-20

申请号：US18400438

申请日：2023-12-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Di ZHANG ,  Kunpeng LIU ,  Xianda LIU ,  Xiang GAO

IPC: H04L5/00 ,  H04B7/0408 ,  H04B7/06 ,  H04W72/044 ,  H04W72/23

CPC classification number: H04L5/0053 ,  H04B7/0408 ,  H04L5/0023 ,  H04L5/0091 ,  H04W72/046 ,  H04B7/0632 ,  H04W72/23

Abstract: An information transmission method, an apparatus, and a device are disclosed. The method includes: A terminal receives first signaling, where the first signaling includes a first field, a state value of the first field is used to indicate a first spatial relation parameter for receiving a first channel, the state value of the first field is one of a plurality of candidate state values corresponding to the first field, and at least one of the plurality of candidate state values corresponds to two or more spatial relation parameters. The terminal obtains one or more target spatial relation parameters in the first spatial relation parameter, and receives the first channel based on the one or more target spatial relation parameters.

公开(公告)号：US20230344585A1

公开(公告)日：2023-10-26

申请号：US18344225

申请日：2023-06-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Liuliu JI

IPC: H04L5/00 ,  H04W52/14 ,  H04W52/54

CPC classification number: H04L5/0048 ,  H04W52/146 ,  H04W52/54

Abstract: This application provides an indication method, a terminal device, and a radio access network device. One example method includes: A terminal device receives an SRS resource indication (SRI), where an index value included in the SRI belongs to a first index value set, the first index value set includes a first index value and a second index value, the first index value and the second index value correspond to a plurality of same SRS resources, and the first index value and the second index value correspond to different SRS resource sets for which power is to be adjusted. The terminal device sends physical uplink shared channel (PUSCH) data based on the SRI.

公开(公告)号：US20220337295A1

公开(公告)日：2022-10-20

申请号：US17731085

申请日：2022-04-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xianda LIU ,  Kunpeng LIU ,  Leiming ZHANG

IPC: H04B7/0456

Abstract: Example receiving parameter indication methods and apparatus are described. One example method includes receiving transmission parameter indication information, where the transmission parameter indication information is used to indicate an index value in an index value set corresponding to a codebook subset configuration. The value of the quantity of transmission layers and a precoding matrix is determined based on the transmission parameter indication information.

公开(公告)号：US20220224577A1

公开(公告)日：2022-07-14

申请号：US17696444

申请日：2022-03-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bingyu QU ,  Xianda LIU ,  Mingxin GONG ,  Kunpeng LIU

IPC: H04L27/26 ,  H04L5/00 ,  H04L27/20

Abstract: The present disclosure relates to signal processing methods and apparatus. One example method includes determining a first sequence {x(n)} based on a preset condition, generating a reference signal of a first signal by using the first sequence, and sending the reference signal on a first frequency-domain resource. The preset condition is y n = A · e j × π × s n 8 , x n = A · e j × π × s n 8 , a length of the first sequence is K=6, n=0, 1, . . . , K−1, A is a non-zero complex number, and j=√{square root over (−1)}. The first signal is a signal modulated by using π/2 binary phase shift keying (BPSK). The first frequency-domain resource comprises K subcarriers each having a subcarrier number of k, k=u+L*n+delta, L is an integer greater than or equal to 2, delta∈{0, 1, . . . , L−1}, u is an integer, and subcarrier numbers of the K subcarriers are numbered in ascending or descending order of frequencies.