公开(公告)号：US20240214937A1

公开(公告)日：2024-06-27

申请号：US18531778

申请日：2023-12-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiao HAN ,  Yuchen GUO ,  Jian YU ,  Dandan LIANG

IPC: H04W52/02 ,  H04W16/02

CPC classification number: H04W52/0248 ,  H04W16/02

Abstract: This application provides an information transmission method and a communication apparatus. The method includes: A first device sends TWT resource configuration information in a first BSS to a second device. The first device is located in the first BSS, the second device is located in a second BSS, and the first BSS and the second BSS at least partially overlap. According to the information transmission method provided in this application, TWT resource configuration information in a plurality of BSSs is shared among the plurality of BSSs in an OBSS scenario. Therefore, collision can be further avoided during data transmission in different BSSs in the OBSS scenario, thereby improving quality and assurance of data transmission between devices in the plurality of BSSs, and improving efficiency of data transmission in the OBSS scenario.

公开(公告)号：US20230189341A1

公开(公告)日：2023-06-15

申请号：US18153616

申请日：2023-01-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

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

IPC: H04W74/08

CPC classification number: H04W74/0816 ,  H04W74/0866

Abstract: A data transmission method includes sending, by a first station in a first multi-link device, a third frame. The third frame indicates the first station enables a mode of sharing a quantity of spatial streams. The mode of sharing the quantity of spatial streams is used for enabling the first station to use the shared spatial streams. A quantity of shared spatial streams is a maximum quantity of shared spatial streams supported by the first multi-link device. The data transmission method also includes receiving, by the first station, a fourth frame. The fourth frame is used for responding to the third frame.

公开(公告)号：US20230013454A1

公开(公告)日：2023-01-19

申请号：US17946924

申请日：2022-09-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ming GAN ,  Guogang HUANG ,  Dandan LIANG ,  Jian YU ,  Yunbo LI ,  Yuchen GUO ,  Mengshi HU

IPC: H04W72/12 ,  H04W28/02

Abstract: This application provides data transmission methods and apparatuses, to introduce a buffer status report (BSR) mechanism through multi-link (ML) cooperation, to improve performance of scheduling a station by an ML device. In an example method, a multi-link transmit end determines BSR signaling sent to a multi-link receive end, where the BSR signaling can enable the multi-link receive end to schedule a station of the multi-link transmit end over one or more links. Further, the multi-link transmit end sends the B SR signaling to the multi-link transmit end over the one or more links. This introduces a BSR mechanism through ML cooperation.

公开(公告)号：US20230006771A1

公开(公告)日：2023-01-05

申请号：US17941624

申请日：2022-09-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian YU ,  Mengshi HU ,  Ming GAN ,  Dandan LIANG

IPC: H04L1/00 ,  H04L5/00 ,  H04W72/04

Abstract: This application discloses a data transmission method and device, a chip system, and a computer-readable storage medium. In the method, a station may receive preamble puncturing indication information, where the preamble puncturing indication information includes one or more indicators, and one indicator corresponds to preamble puncturing information of a data packet; and send or receive the data packet based on the preamble puncturing indication information. The preamble puncturing information includes a size and location of preamble puncturing, or there is no preamble puncturing. The preamble puncturing information may be an index indicated by the preamble puncturing indication information, to learn of a status of preamble puncturing in the data packet.

公开(公告)号：US20220263604A1

公开(公告)日：2022-08-18

申请号：US17739972

申请日：2022-05-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yiqing LI ,  Yuchen GUO ,  Dandan LIANG ,  Jian YU

IPC: H04L1/18 ,  H04L5/00

Abstract: This application provides methods and apparatus for sending feedback information. By binding a BAR-BA feedback manner, that is, first a request and then a feedback, when it is determined that data retransmission is performed by using a hybrid automatic repeat request (HARQ) mechanism, duration of an acknowledgment operation performed by a data receive end on retransmitted data may be increased. Alternatively, the receive end estimates duration required for feeding back a receiving status of the retransmitted data, and feeds back the duration to a transmit end. The transmit end may therefore adaptively adjust duration of the retransmitted data based on a feedback capability of the receive end, to ensure that the feedback of the receive end on the receiving status of the retransmitted data is within a short inter-frame space (SIFS).

公开(公告)号：US20240333429A1

公开(公告)日：2024-10-03

申请号：US18743331

申请日：2024-06-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ming GAN ,  Yifan ZHOU ,  Dandan LIANG ,  Jian YU ,  Yunbo LI ,  Yuchen GUO

IPC: H04L1/1607 ,  H04L1/00

CPC classification number: H04L1/1642 ,  H04L1/0083

Abstract: Embodiments of this application provide a communication method applied to a multi-link device in a wireless local area network (WLAN) and a related apparatus. For example, the communication method is applied to a WLAN supporting 802.11be. The method includes: receiving a probe request frame, where the probe request frame is included in a multi-link device (MLD); determining, according to a preset condition, whether to respond to the probe request frame, where the preset condition includes at least the following: a reference identifier in the probe request frame does not match a reference identifier of each station in the MLD; and if the preset condition is satisfied, skipping sending a probe response frame in response to the probe request frame.

公开(公告)号：US20240031915A1

公开(公告)日：2024-01-25

申请号：US18353519

申请日：2023-07-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ming GAN ,  Dandan LIANG ,  Xun YANG

IPC: H04W48/08 ,  H04W76/11 ,  H04W48/16

CPC classification number: H04W48/08 ,  H04W76/11 ,  H04W48/16

Abstract: The present disclosure relates to information indication methods and apparatus. One example method includes generating a first frame, where the first frame comprises a neighbor report element, the neighbor report element comprises a basic service set identifier (BSSID) field and a BSSID information field comprising a multi-band field, the multi-band field is used to indicate whether a neighbor access point (AP) indicated by the BSSID field is located in a multiple-band device, and the multiple-band comprises a 6 GHz band, and sending the first frame on a 2.4 GHz band or a 5 GHz band.

公开(公告)号：US20230171129A1

公开(公告)日：2023-06-01

申请号：US18153482

申请日：2023-01-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenchen LIU ,  Dandan LIANG ,  Ming GAN ,  Ju CAO

IPC: H04L25/02 ,  H04L5/00

CPC classification number: H04L25/0242 ,  H04L5/0007 ,  H04L5/0044

Abstract: A physical layer protocol data unit (PPDU) transmission method is provided. The method includes generating a PPDU, where the PPDU includes an extremely high throughput-long training field (EHT-LTF). The EHT-LTF is obtained based on a P matrix and a predefined EHT-LTF sequence. The P matrix is an n×n orthogonal matrix, n is an integer greater than 8, and a first row of the P matrix includes at least one element whose value is 1 and at least one element whose value is −1. The method further includes sending the PPDU. This application may be applied to a wireless local area network (WLAN) system supporting a next-generation wireless fidelity (Wi-Fi) extremely high throughput (EHT) protocol of IEEE 802.11, for example, 802.11 protocols such as 802.11be.

公开(公告)号：US20230024407A1

公开(公告)日：2023-01-26

申请号：US17959034

申请日：2022-10-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ming GAN ,  Guogang HUANG ,  Yiqing LI ,  Mengshi HU ,  Yifan ZHOU ,  Dandan LIANG

IPC: H04W48/16 ,  H04W48/08

Abstract: Embodiments of this application provide an access point (AP) multi-link device discovery method and a related apparatus, for example, in a wireless local area network (WLAN) supporting IEEE 802. 1 1be. In an example method, a reporting AP sends a first management frame to a station. The first management frame carries information about a reported AP. The reporting AP is affiliated with an AP multi-link device. The reported AP is affiliated with the same multi-link device as the reporting AP. Or the reported AP belongs to a same multiple basic service set identifier (BSSID) set as another AP in the multi-link device with which the reporting AP is affiliated.

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.