公开(公告)号：US20210176025A1

公开(公告)日：2021-06-10

申请号：US17124710

申请日：2020-12-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ningjuan Wang ,  Xin Xue ,  Min Yan ,  Jian Yu

IPC: H04L5/00 ,  H04L29/06 ,  H04B7/00 ,  H04B7/24 ,  H04W56/00 ,  H04W84/12

Abstract: A data communication method and a related apparatus are provided, and the data communication method includes: constructing, by an access device, a beacon frame, where the beacon frame includes a newly added field, and the newly added field represents multiple data guard interval lengths supported by the access device; and broadcasting, by the access device, the beacon frame, so that a terminal selects an available guard interval length matching a data guard interval length supported by the terminal from the beacon frame, and performs data communication with the access device by using the available guard interval length. By using the present invention, data communication between the access device and the terminal can be implemented when the access device supports multiple data guard interval lengths.

公开(公告)号：US10833828B2

公开(公告)日：2020-11-10

申请号：US15468593

申请日：2017-03-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ningjuan Wang ,  Xin Xue ,  Min Yan ,  Jian Yu

IPC: H04L5/00 ,  H04B7/00 ,  H04W56/00 ,  H04B7/24 ,  H04L29/06 ,  H04W84/12

Abstract: A data communication method and a related apparatus are provided, and the data communication method includes: constructing, by an access device, a beacon frame, where the beacon frame includes a newly added field, and the newly added field represents multiple data guard interval lengths supported by the access device; and broadcasting, by the access device, the beacon frame, so that a terminal selects an available guard interval length matching a data guard interval length supported by the terminal from the beacon frame, and performs data communication with the access device by using the available guard interval length. By using the present invention, data communication between the access device and the terminal can be implemented when the access device supports multiple data guard interval lengths.

公开(公告)号：US20240205064A1

公开(公告)日：2024-06-20

申请号：US18512013

申请日：2023-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xin Xue ,  Ningjuan Wang ,  Le Liu ,  Wei Lin

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/044 ,  H04W84/12

CPC classification number: H04L27/2613 ,  H04L5/0048 ,  H04L27/262 ,  H04W72/044 ,  H04L27/26132 ,  H04W84/12

Abstract: Embodiments of the present invention provide several long training sequences that are in a wireless local area network and that comply with 802.11ax.

公开(公告)号：US11843493B2

公开(公告)日：2023-12-12

申请号：US17683103

申请日：2022-02-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xin Xue ,  Ningjuan Wang ,  Le Liu ,  Wei Lin

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/044 ,  H04W84/12

CPC classification number: H04L27/2613 ,  H04L5/0048 ,  H04L27/262 ,  H04W72/044 ,  H04L27/26132 ,  H04W84/12

Abstract: Embodiments of the present invention provide several long training sequences that are in a wireless local area network and that comply with 802.11ax.

公开(公告)号：US20230336396A1

公开(公告)日：2023-10-19

申请号：US18309575

申请日：2023-04-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Lin ,  Xin Xue ,  Ningjuan Wang ,  Le Liu

IPC: H04W72/23 ,  H04W72/1268 ,  H04W24/10 ,  H04L27/26 ,  H04W84/12 ,  H04L25/02

CPC classification number: H04L27/2672 ,  H04L25/022 ,  H04L25/0226 ,  H04L27/261 ,  H04L27/2614 ,  H04W24/10 ,  H04W72/1268 ,  H04W72/23 ,  H04W84/12 ,  H04B7/0452

Abstract: An HE-LTF transmission method is provided, including: determining, based on a total number NSTS of space-time streams, a number NHELTF of OFDM symbols included in an HE-LTF field; determining a HE-LTF sequence in frequency domain according to a transmission bandwidth and a mode of the HE-LTF field, where the HE-LTF sequence in frequency domain includes but is not limited to a mode of the HE-LTF field sequence that is in a 1x mode and that is mentioned in implementations; and sending a time-domain signal according to the number NHELTF of OFDM symbols and the determined HE-LTF sequence in frequency domain. In the foregoing solution, a PAPR value is relatively low.

公开(公告)号：US20220407752A1

公开(公告)日：2022-12-22

申请号：US17683103

申请日：2022-02-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xin Xue ,  Ningjuan Wang ,  Le Liu ,  Wei Lin

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/04

Abstract: Embodiments of the present invention provide several long training sequences that are in a wireless local area network and that comply with 802.11ax.

公开(公告)号：US11265873B2

公开(公告)日：2022-03-01

申请号：US16694695

申请日：2019-11-25

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Xin Xue ,  Ningjuan Wang ,  Le Liu ,  Wei Lin

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26 ,  H04W84/12

Abstract: Embodiments of the present invention provide several long training sequences that are in a wireless local area network and that comply with 802.11 ax.

公开(公告)号：US10686640B2

公开(公告)日：2020-06-16

申请号：US15987216

申请日：2018-05-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Lin ,  Xin Xue ,  Ningjuan Wang ,  Le Liu

IPC: H04W72/12 ,  H04L27/26 ,  H04W84/12 ,  H04L25/02 ,  H04W24/10 ,  H04B7/0452

Abstract: An HE-LTF transmission method is provided, including: determining, based on a total number NSTS of space-time streams, a number NHELTF of OFDM symbols included in an HE-LTF field; determining a HE-LTF sequence in frequency domain according to a transmission bandwidth and a mode of the HE-LTF field, where the HE-LTF sequence in frequency domain includes but is not limited to a mode of the HE-LTF field sequence that is in a 1× mode and that is mentioned in implementations; and sending a time-domain signal according to the number NHELTF of OFDM symbols and the determined HE-LTF sequence in frequency domain. In the foregoing solution, a PAPR value is relatively low.

公开(公告)号：US20200169996A1

公开(公告)日：2020-05-28

申请号：US16694695

申请日：2019-11-25

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Xin Xue ,  Ningjuan Wang ,  Le Liu ,  Wei Lin

IPC: H04W72/04 ,  H04L27/26 ,  H04L5/00

Abstract: Embodiments of the present invention provide several long training sequences that are in a wireless local area network and that comply with 802.11 ax.

公开(公告)号：US10375658B2

公开(公告)日：2019-08-06

申请号：US15594192

申请日：2017-05-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yalin Liu ,  Sheng Liu ,  Min Yan ,  Xin Xue

IPC: H04W4/00 ,  H04W52/52 ,  H04L27/26 ,  H04L29/06 ,  H03G3/30 ,  H04B17/318 ,  H04L29/08 ,  H04W84/12

Abstract: Embodiments disclose an automatic gain control method and a communications device in a wireless local area network. The method includes generating a physical layer packet, where the physical layer packet includes a high efficiency long training field, the high efficiency long training field includes N symbols, a length of a cyclic prefix (CP— of a first symbol in the N symbols is greater than or equal to a minimum length required by a receiver device to perform automatic gain control (AGC) estimation, and N is a positive integer. The method also includes sending the physical layer packet to the receiver device.