公开(公告)号：US20230208594A1

公开(公告)日：2023-06-29

申请号：US18173513

申请日：2023-02-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian YU ,  Zhiheng GUO ,  Liyan SU ,  Shaozhong LU

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0051 ,  H04L27/2605 ,  H04L27/2613 ,  H04L5/001

Abstract: The present disclosure relates to communication methods and apparatuses. In one example method, a receiving device receives a first demodulation reference signal (DMRS) from a first DMRS port by using a first time-frequency resource, and receives a second DMRS from a second DMRS port by using a second time-frequency resource. The first time-frequency resource is a part of time-frequency resources in the second time-frequency resource, and an orthogonal cover code (OCC) of the first DMRS is orthogonal to an OCC corresponding to the first time-frequency resource in an OCC of the second DMRS.

公开(公告)号：US20230171059A1

公开(公告)日：2023-06-01

申请号：US18160039

申请日：2023-01-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian YU ,  Zhiheng GUO

IPC: H04L5/00 ,  H04B7/005 ,  H04W72/23

CPC classification number: H04L5/0048 ,  H04B7/005 ,  H04L5/0007 ,  H04W72/23

Abstract: A communication method includes sending indication information to a terminal device. The indication information indicates a first demodulation reference signal (DMRS) port and a code division multiplexing (CDM) group in which the first DMRS port is located. The communication method further includes receiving in a first group and a second group of REs associated with the CDM group, a first DMRS through the first DMRS port. A first orthogonal cover code (OCC) for transmitting the first DMRS in the first group of REs through the first DMRS port is different from a second OCC for transmitting the first DMRS in the second group of REs. The first second group of REs being located in a same resource block (RB), located on a same subcarrier, and located in different symbols in a same slot; or located in different RBs, and being located in a same symbol in the same slot.

公开(公告)号：US20230170941A1

公开(公告)日：2023-06-01

申请号：US18160017

申请日：2023-01-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian YU ,  Zhiheng GUO

IPC: H04B7/005 ,  H04L5/00

CPC classification number: H04B7/005 ,  H04L5/0048 ,  H04L5/0007

Abstract: A communication method includes receiving, by a terminal device, first information from a network device. The first information indicates a precoding matrix. The communication method also includes determining, by the terminal device, the precoding matrix based on the first information. The precoding matrix is for sending an uplink signal. The precoding matrix is determined based on a first matrix and a second matrix. At least one of the first matrix is determined from a first matrix set based on the first information, wherein the first matrix set is determined based on a horizontal-dimension parameter of an antenna of the terminal device; or the second matrix is determined from a second matrix set based on the first information, wherein the second matrix set is determined based on a vertical-dimension parameter of the antenna.

公开(公告)号：US20230156492A1

公开(公告)日：2023-05-18

申请号：US18148876

申请日：2022-12-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ming GAN ,  Jian YU ,  Yunbo LI ,  Yuchen GUO ,  Xun YANG

IPC: H04W24/02 ,  H04W48/08

CPC classification number: H04W24/02 ,  H04W48/08

Abstract: This application relates to the wireless communication field, and in particular, to critical basic service set (BSS) parameter management methods and apparatus applicable to multiple links, for example, in a wireless local area network supporting the 802.11 be standard. In an example method includes, a first access point (AP) in a first access point multi-link device (AP MLD) generates and sends a first frame. The first frame indicates critical BSS parameter update count values corresponding to a plurality of APs in the first AP MLD and critical BSS parameter update count values corresponding to a plurality of APs in a second AP MLD. The second AP MLD is an AP MLD to which a nontransmitted AP belongs. The nontransmitted AP is in a multiple basic service set identifier (BSSID) set including the first AP.

公开(公告)号：US20230041746A1

公开(公告)日：2023-02-09

申请号：US17850647

申请日：2022-06-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Meilu LIN ,  Sheng LIU ,  Wei LIN ,  Jian YU ,  Le LIU ,  Xun YANG ,  Shimon SHILO ,  Doron EZRI ,  Genadiy TSODIK ,  Oded REDLICH

IPC: H04L27/26 ,  H04L5/00 ,  H04L69/323

Abstract: Embodiments of the present invention provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.

公开(公告)号：US20220264429A1

公开(公告)日：2022-08-18

申请号：US17738985

申请日：2022-05-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ming GAN ,  Yuchen GUO ,  Yunbo LI ,  Dandan LIANG ,  Jian YU ,  Mao YANG ,  Bo LI

IPC: H04W48/08 ,  H04L1/16 ,  H04W52/02

Abstract: Embodiments of this application disclose a communication method between multi-link devices and an apparatus, and relate to the field of communications technologies, to reduce power consumption of a station multi-link device. A specific solution is as follows: A multi-link device includes a plurality of STAs, one STA operates on one of a plurality of links, and the STA determines a primary link in the plurality of links. A STA operating on the primary link in the multi-link device may receive information sent by the AP indicating whether the STA operating on the primary link has a downlink traffic, and/or information indicating whether a STA operating on a link other than the primary link has a downlink traffic. Therefore, the STA operating on the primary link may determine a link on which the STA having a downlink traffic operates in the multi-link device.

公开(公告)号：US20220200753A1

公开(公告)日：2022-06-23

申请号：US17692292

申请日：2022-03-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenchen LIU ,  Xiao HAN ,  Rui DU ,  Meihong ZHANG ,  Jian YU

IPC: H04L5/00 ,  H04L25/02

Abstract: This application provides a method and an apparatus for sensing measurement. In a technical solution of this application, a transmit end of data may send an indication frame to a receive end of the data, where the indication frame may indicate a spatial mapping matrix used by the transmit end of the data to send the data to the receive end of the data. In this way, the receive end of the data can eliminate impact of spatial mapping on channel state information based on the spatial mapping matrix, to obtain actual channel state information, thereby completing sensing, positioning, and the like on an ambient environment or a passive target by using the obtained actual channel state information.

公开(公告)号：US20220200732A1

公开(公告)日：2022-06-23

申请号：US17692306

申请日：2022-03-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Weimin WU ,  Zheng XIAO ,  Jian YU

IPC: H04L1/08 ,  H04L1/00

Abstract: This application provides example data retransmission methods and communication apparatuses. One example method includes receiving a physical protocol data unit (PPDU) by a first device and from a second device, where the PPDU includes a signaling field and a data field, the data field includes retransmitted data and newly transmitted data, the signaling field includes first indication information, or the signaling field comprises the first indication information and second indication information, the first indication information indicates a first modulation and coding scheme (MCS) and a first coding mode that are used for the newly transmitted data, and the second indication information indicates a second MCS and a second coding mode that are used for the retransmitted data. The PPDU is demodulated based on the signaling field.

公开(公告)号：US20220140879A1

公开(公告)日：2022-05-05

申请号：US17576077

申请日：2022-01-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dandan LIANG ,  Ming GAN ,  Jian YU ,  Guogang HUANG ,  Yuchen GUO ,  Peter LOC

IPC: H04B7/06 ,  H04W24/10 ,  H04B7/0417 ,  H04B7/024

Abstract: Embodiments of this application provide a channel sounding method and apparatus, and relate to the communication field. The method includes: A station STA receives channel sounding frames sent by a plurality of access points APs; the STA performs channel sounding based on the channel sounding frames to obtain channel state information of each AP; and the STA sends a channel measurement report frame, where the channel measurement report frame includes channel state information of some of the plurality of APs and identifiers of the some APs, and the channel measurement report frame is further used to indicate that the some APs are selected to participate in coordinated transmission. That the channel measurement report frame is used to indicate that an AP is selected to participate in coordinated transmission can not only feedback channel state information but also reduce signaling overheads.

公开(公告)号：US20220086098A1

公开(公告)日：2022-03-17

申请号：US17535049

申请日：2021-11-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guogang HUANG ,  Roberto RIGGIO ,  Peng LIU ,  Yuchen GUO ,  Jian YU ,  Weimin WU

IPC: H04L47/41 ,  H04L47/2441 ,  H04L45/24 ,  H04L47/20

Abstract: The present disclosure relates to data transmission method and apparatus. One example method includes generating and sending a link aggregation request, where the link aggregation request is used to request to perform transmission of a same type of data stream over a plurality of links, receiving a link aggregation response, where the link aggregation response represents whether the transmission of the same type of data stream over the plurality of links is accepted or not, and performing data transmission based on the link aggregation response.