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公开(公告)号：US12003437B2
公开(公告)日：2024-06-04
申请号：US17564347
申请日：2021-12-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yunbo Li , Ming Gan , Yuchen Guo
CPC classification number: H04L5/0035 , H04L5/0053 , H04W72/20 , H04W80/02 , H04W84/18
Abstract: A cooperative communication method receives an announcement frame from a master access point. The announcement frame includes a duration field, a value of the duration field is set to a first duration, an end time of the first duration is not later than an end time of a target trigger frame or is not later than a start time of a target trigger based (TB) physical layer protocol data unit (PPDU), the target trigger frame is a next radio frame of the announcement frame, the target TB PPDU is a response frame for the target trigger frame, the target trigger frame comprises a second trigger frame, and the target TB PPDU comprises a second TB PPDU. The slave access point sends the second trigger frame to a second station associated with the slave access point, and receives the second TB PPDU from the second station.
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公开(公告)号：US20240163772A1
公开(公告)日：2024-05-16
申请号：US18512379
申请日：2023-11-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ming Gan , Dandan Liang , Jian Yu , Yuchen Guo , Yunbo Li , Xun Yang
CPC classification number: H04W40/244 , H04W76/19
Abstract: This application provides a communications method and a communications apparatus. A first station in a first multi-link device sends first information to a second multi-link device, where the first information is used to indicate a frequency at which how often a station in a power saving mode in the first multi-link device receives a beacon frame. In this way, the second multi-link device may learn about, based on the first information, how often a frequency at which a station in the first multi-link device receives a beacon frame, thereby helping the second multi-link device effectively manage a cache service of each station in the first multi-link device and manage a data buffer space.
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93.发明公开公开(公告)号：US20240089738A1
公开(公告)日：2024-03-14
申请号：US18513549
申请日：2023-11-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ming Gan , Guogang Huang , Yuxin Lu , Yiqing Li , Yuchen Guo , Chenchen Liu
Abstract: Embodiments of this disclosure provide a data transmission method, a communication apparatus, a computer-readable storage medium, and a chip. The method includes: generating, by a first multi-link device, a management frame, where the management frame includes a receiver address, a transmitter address, and link indication information, and the link indication information indicates that the management frame is applied to at least one link corresponding to the link indication information; and sending the management frame to a second multi-link device on a link on which a station indicated by the receiver address or a station indicated by the transmitter address operates.
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公开(公告)号：US11882522B2
公开(公告)日：2024-01-23
申请号：US17345528
申请日：2021-06-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiao Han , Yuchen Guo , Jian Yu , Dandan Liang
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.
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公开(公告)号：US11871336B2
公开(公告)日：2024-01-09
申请号：US17989781
申请日：2022-11-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ming Gan , Yiqing Li , Yunbo Li , Yuchen Guo
Abstract: An AID allocation method for a multi-link device, includes: An access point multi-link device generates and sends a first frame. Correspondingly, a station device receives and parses the first frame to obtain an AID that is allocated to the station device and carried in the first frame. The AID is neither a BSSID that can be supported by a first-type access point in the access point multi-link device nor an identifier of an access point in the access point multi-link device. The first-type access point is an access point for establishing a link between the station device and the access point multi-link device.
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Patent Agency Ranking
公开(公告)号：US20230421333A1
公开(公告)日：2023-12-28
申请号：US18365841
申请日：2023-08-04
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian Yu , Yuchen Guo , Chenchen Liu , Yunbo Li , Ming Gan , Dandan Liang
IPC: H04L5/00
CPC classification number: H04L5/0057
Abstract: A method includes: An access point generates an NDPA frame, where the NDPA frame includes a station information field, and the station information field includes an AID subfield indicating an association identifier AID of a station; the station information field further includes a partial bandwidth information subfield; the partial bandwidth information subfield indicates an RU that is in a bandwidth corresponding to the NDPA frame and for which the station needs to feed back channel state information; and the bandwidth corresponding to the NDPA frame is greater than 160 MHz. The access point transmits the NDPA frame.
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97.发明公开公开(公告)号：US20230397149A1
公开(公告)日：2023-12-07
申请号：US18450853
申请日：2023-08-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yuchen Guo , Yiqing Li , Ming Gan
CPC classification number: H04W60/06 , H04W40/248 , H04W48/08
Abstract: This application provides a radio frame sending method and apparatus, and a radio frame receiving method and apparatus. First information for identifying a first MLD in an MLE is included in a radio frame, so that a receiver of the radio frame obtains information of the first MLD from the MLE based on the first information after receiving the radio frame. In the method, a first AP generates the radio frame including the MLE, the MLE carries the information of the first MLD, the MLE includes the first information, and the first information identifies the first MLD; and the first AP sends the radio frame. This application is applied to a wireless local area network system supporting next-generation Wi-Fi protocols of IEEE 802.11ax, for example 802.11be and other 802.11 family of protocols.
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公开(公告)号：US11812399B2
公开(公告)日：2023-11-07
申请号：US17940609
申请日：2022-09-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yunbo Li , Ming Gan , Yuchen Guo
CPC classification number: H04W56/0055 , H04L5/0044 , H04W72/12
Abstract: This application provides a communication method and a communication apparatus. One example method includes: A sending device sends a first physical layer protocol data unit PPDU over a first link, where the first PPDU carries a trigger frame. The sending device sends a second PPDU over a second link, where an end time of sending the second PPDU is not earlier than a first time and not later than a second time, the first time is related to an end time of sending the first PPDU and a state turnaround time in a short interframe space SIFS time, and the second time is related to the end time of sending the first PPDU and the SIFS time.
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公开(公告)号：US20230354284A1
公开(公告)日：2023-11-02
申请号：US18308454
申请日：2023-04-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ming Gan , Yiqing Li , Chenchen Liu , Yunbo Li , Yuchen Guo , Jian Yu , Xun Yang
IPC: H04W72/0453 , H04W72/23
CPC classification number: H04W72/0453 , H04W72/23 , H04W84/12
Abstract: This application relates to the wireless communications field, for example, is applicable to a wireless local area network supporting the 802.11be standard, and in particular, to a PPDU uplink bandwidth indication method and a related apparatus. The method includes: An AP generates and sends a trigger frame. The trigger frame carries first indication information, where the first indication information is directly used to indicate or jointly indicate an EHT TB PPDU bandwidth or an uplink PPDU total transmission bandwidth. The trigger frame carries second indication information, where the second indication information is used to indicate distribution of an HE TB PPDU and/or an EHT TB PPDU in the uplink PPDU total transmission bandwidth, or directly indicate whether an EHT station transmits an HE TB PPDU or an EHT TB PPDU.
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公开(公告)号：US20230354160A1
公开(公告)日：2023-11-02
申请号：US18340018
申请日：2023-06-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ming Gan , Yuchen Guo , Yunbo Li , Dandan Liang , Jian Yu , Mao Yang , Bo Li
IPC: H04W48/08 , H04L1/1607 , H04W52/02
CPC classification number: H04W48/08 , H04L1/1614 , H04W52/0209
Abstract: Embodiments of this application provide 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. The method includes: 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.
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