公开(公告)号：US20170078920A1

公开(公告)日：2017-03-16

申请号：US15343940

申请日：2016-11-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bo Li ,  Bo Yang ,  Yingpei Lin

IPC: H04W28/08 ,  H04B7/06

CPC classification number: H04W28/08 ,  H04B7/0632 ,  H04L12/28 ,  H04L47/26 ,  H04W84/12 ,  H04W88/04 ,  H04W88/08

Abstract: A method for data exchange between access points (APs) includes: receiving, by a source AP, available APs of all stations (STAs) having association relationships with the source AP, and operating channels of the available APs, where the available APs and the operating channels of the available APs are sent by the STAs; determining, by the source AP, a relay STA according to the received available APs of the STAs and the received operating channels of the available APs, where an available AP of the relay STA includes a destination AP that needs to perform data exchange with the source AP; and sending a relay request message to the relay STA, where the relay request message includes the destination AP, so that the relay STA sends data from the source AP to the destination AP after receiving the relay request message.

Abstract translation: 接入点（AP）之间的数据交换方法包括：由源AP接收与源AP具有关联关系的所有站（STA）的可用AP和可用AP的操作信道，其中可用AP和 可用AP的操作信道由STA发送; 由源AP根据接收到的可用AP和可用AP的接收到的操作信道确定中继STA，其中中继STA的可用AP包括需要与源进行数据交换的目的地AP AP; 并向中继STA发送中继请求消息，中继请求消息中包含目的AP，中继STA在接收到中继请求消息后，从源AP向目的AP发送数据。

公开(公告)号：US12225448B2

公开(公告)日：2025-02-11

申请号：US18460356

申请日：2023-09-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Pei Zhou ,  Yan Long ,  Xiao Han ,  Yingpei Lin

IPC: H04W48/10 ,  H04B7/06 ,  H04L5/00 ,  H04W16/28 ,  H04W48/12 ,  H04W72/0446 ,  H04W74/0833 ,  H04W84/12

Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.

公开(公告)号：US11991748B2

公开(公告)日：2024-05-21

申请号：US17565100

申请日：2021-12-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiayin Zhang ,  Lei Huang ,  Yingpei Lin ,  Yan Xin

IPC: H04W74/08 ,  H04B7/08 ,  H04W16/14 ,  H04W16/28 ,  H04W74/0816

CPC classification number: H04W74/0816 ,  H04B7/08 ,  H04W16/14 ,  H04B7/086 ,  H04W16/28

Abstract: A method and system for LBT or CCA threshold setting for directional reception and transmission are provided. In an embodiment, a method in a wireless device for determining if a channel is clear in an unlicensed band channel in a wireless network includes detecting, with the wireless device, an energy along a first beamforming direction. The method also includes determining, with the wireless device, an energy detection threshold. The method also includes determining, with the wireless device, whether the unlicensed band channel is clear in at least the first receiving direction according to the energy and the energy detection threshold.

公开(公告)号：US11956661B2

公开(公告)日：2024-04-09

申请号：US17675597

申请日：2022-02-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Luo ,  Xun Yang ,  Yingpei Lin

IPC: H04W24/10 ,  H04B7/0452 ,  H04J13/00 ,  H04L27/26 ,  H04W72/12 ,  H04W72/20 ,  H04W74/00 ,  H04W74/08 ,  H04W74/0816 ,  H04W76/40

CPC classification number: H04W24/10 ,  H04B7/0452 ,  H04J13/00 ,  H04L27/2601 ,  H04W72/12 ,  H04W72/20 ,  H04W74/002 ,  H04W74/0816 ,  H04W76/40

Abstract: An uplink multi-user multi-input multi-output establishment method includes broadcasting, by a network side device, an uplink data sending announcement; receiving buffer information sent by a terminal that needs to send data, where the buffer information includes at least a sending level and a data sending length of to-be-sent data; determining, according to the buffer information, scheduling information for establishing uplink multi-user multi-input multi-output; and sending, to a terminal that is allowed to send data and selected from the terminal that needs to send data, a clear to send frame that carries the scheduling information, so that the terminal that is allowed to send data sends the to-be-sent data according to the scheduling information. The embodiments of the present disclosure effectively implement uplink multi-user multi-input multi-output establishment, so that signaling interworking is reduced, resource overheads are reduced, and data sending efficiency is improved.

公开(公告)号：US11889549B2

公开(公告)日：2024-01-30

申请号：US18166763

申请日：2023-02-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yingpei Lin ,  Jiayin Zhang ,  Jun Luo ,  Le Liu

IPC: H04W74/04 ,  H04L5/00 ,  H04L9/40 ,  H04W72/23 ,  H04L69/22 ,  H04W72/0453 ,  H04W48/12 ,  H04W48/00 ,  H04L27/26 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04W74/04 ,  H04L5/0053 ,  H04L5/0092 ,  H04L9/40 ,  H04L69/22 ,  H04W72/0453 ,  H04W72/23 ,  H04L27/2601 ,  H04W48/12 ,  H04W48/17 ,  H04W84/12 ,  H04W88/08

Abstract: A method includes generating, by an apparatus, a physical protocol data unit (PPDU) for a downlink multiple-user transmission, wherein the PPDU includes: a legacy preamble, a high efficiency Wi-Fi Signaling Field 1 (HEW-SIG1), a high efficiency Wi-Fi Signaling Field 2 (HEW-SIG2), adjacent to the HEW-SIG1, and a data portion, and wherein the HEW-SIG1 comprises a HEW-SIG2 modulation and coding scheme (HEW-SIG2 MCS) field, the HEW-SIG2 MCS field indicates a transmission modulation and coding scheme (MCS) used to transmit the HEW-SIG2, the HEW-SIG1 further comprises a frame structure indication field, and the frame structure indication field indicates whether a frame structure of a scheduling transmission is an uplink structure or a downlink structure, and the HEW-SIG2 comprises resource indication information; and sending, by the apparatus, the PPDU.

公开(公告)号：US11737092B2

公开(公告)日：2023-08-22

申请号：US17948871

申请日：2022-09-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiayin Zhang ,  Jun Zhu ,  Yingpei Lin ,  Xun Yang

IPC: H04W4/00 ,  H04W72/1273 ,  H04W74/00 ,  H04W84/12

CPC classification number: H04W72/1273 ,  H04W74/00 ,  H04W84/12

Abstract: A method comprises constructing, by an access point (AP), a radio frame within a scheduling window, the radio frame including at least a preamble part compatible with an existing IEEE 802.11 preamble legacy preamble, a preamble part used in a next-generation IEEE 802.11 standard (HEW preamble), and the first downlink subframe (DL subframe); sending the Legacy preamble, the HEW preamble and the first DL subframe in the radio frame; receiving at least one uplink subframe (UL subframe) located after the first DL subframe; wherein each of the at least one UL subframes is triggered by one DL subframe located before the UL subframe.

公开(公告)号：US20220173852A1

公开(公告)日：2022-06-02

申请号：US17519405

申请日：2021-11-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiayin Zhang ,  Jun Zhu ,  Yalin Liu ,  Yingpei Lin

IPC: H04L5/00 ,  H04L9/40 ,  H04L45/00 ,  H04W84/12

Abstract: A method includes generating a preamble for a protocol version of a wireless local area network, where the preamble includes a legacy signal (L-SIG) field and a high efficiency signal (HE-SIG) field that are arranged in order, the HE-SIG field includes a first orthogonal frequency division multiplexing (OFDM) symbol and a second OFDM symbol that are arranged in order, and an input information bit of the first OFDM symbol is the same as that of the second OFDM symbol, and sending the preamble to a receive end device, so that the receive end device restores the preamble, and when determining that input information bits obtained after restoring the first OFDM symbol and the second OFDM symbol are the same, determines that the preamble is the preamble of the protocol version.

公开(公告)号：US11006436B2

公开(公告)日：2021-05-11

申请号：US16403108

申请日：2019-05-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ji Wu ,  Yingpei Lin ,  Lei Huang

IPC: H04W72/12 ,  H04B7/0452 ,  H04B7/06 ,  H04B7/08 ,  H04W88/08 ,  H04B7/0413 ,  H04W84/12

Abstract: Embodiments of this application disclose a scheduling method in a wireless local area network (WLAN), including: generating, by an access point (AP), scheduling information, where the scheduling information includes multiple-input multiple-output (MIMO) scheduling information or beamforming (BF) scheduling information, the MIMO scheduling information is used to schedule a station (STA) to perform MIMO communication, and the BF scheduling information is used to schedule the STA to perform beamforming training; and sending, by the AP, the scheduling information to the STA. According to the scheduling method in a WLAN that is disclosed in the embodiments of this application, the AP can implement, by using the scheduling information, scheduling for the MIMO communication of the STA and BF in a MIMO scenario, and an operation is simple and convenient.

公开(公告)号：US20210051570A1

公开(公告)日：2021-02-18

申请号：US17005037

申请日：2020-08-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Pei Zhou ,  Yan Long ,  Xiao Han ,  Yingpei Lin

IPC: H04W48/10 ,  H04L5/00 ,  H04B7/06 ,  H04W16/28 ,  H04W72/04 ,  H04W74/08

Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.

公开(公告)号：US10805865B2

公开(公告)日：2020-10-13

申请号：US16206288

申请日：2018-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Pei Zhou ,  Yan Long ,  Xiao Han ,  Yingpei Lin

IPC: H04W48/10 ,  H04B7/06 ,  H04L5/00 ,  H04W16/28 ,  H04W72/04 ,  H04W74/08 ,  H04W48/12 ,  H04W84/12

Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.