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公开(公告)号：US20250167970A1
公开(公告)日：2025-05-22
申请号：US19029837
申请日：2025-01-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian YU , Mengshi HU , Ming GAN
IPC: H04L5/00 , H04L69/323
Abstract: A communication method in a wireless local area network and a communication apparatus are provided. The method includes an access point generating a trigger frame, and sending the trigger frame to a station. The trigger frame includes resource allocation information and first indication information. The first indication information indicates a first bandwidth to the station, and the resource allocation information indicates a first distributed resource unit (RU) that is allocated to the station and that corresponds to the first bandwidth. The first bandwidth is a bandwidth of at least one sub-channel occupied by subcarriers included in the first distributed RU. According to the method, the station may determine a distributed bandwidth range of an allocated RU, for example, in a maximum bandwidth supported by the station, or in a bandwidth outside a punctured bandwidth, to increase a transmit power of the station.
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公开(公告)号：US20250020794A1
公开(公告)日：2025-01-16
申请号：US18899137
申请日：2024-09-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Gerile NAREN , Xiao HAN , Mengshi HU , Rui DU , Jian YU , Yunbo LI , Chenchen LIU
Abstract: Embodiments of this application provide a measurement method, an apparatus, and a device. The embodiments may be applied to wireless local area network systems of the 802.11 series protocols such as 802.11be, Wi-Fi 7, EHT, Wi-Fi 8, 802.11bf, and sensing. The embodiments provide an approach of generating, by a first device, a sensing measurement setup request frame that includes first ranging indication information used to request a second device to perform ranging measurement in a sensing measurement process. The approach then sends, by the first device, the sensing measurement setup request frame to the second device.
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公开(公告)号：US20240430732A1
公开(公告)日：2024-12-26
申请号：US18828273
申请日：2024-09-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Mengshi HU , Xiao HAN , Rui DU , Gerile NAREN , Xun YANG
Abstract: This application provides a communication method and a communication apparatus. In this method, a sensing receive device sends first information to a sensing transmit device in advance, to use the first information to indicate a padding requirement of the sensing receive device for a trigger frame. The padding requirement is for sensing. The sensing transmit device sends the trigger frame having a padding bit for sensing to the sensing receive device. The padding bit is determined based on the padding requirement indicated by the first information. Therefore, the trigger frame sent by the sensing transmit device satisfies the padding requirement of the sensing receive device for the trigger frame.
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公开(公告)号：US20240357675A1
公开(公告)日：2024-10-24
申请号：US18758540
申请日：2024-06-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Mengshi HU , Xiao HAN , Rui DU , Gerile NAREN , Xun YANG
Abstract: This application relates to the field of wireless communication, and is applied to a wireless local area network that supports the 802.11 series standards such as the 802.11bf standard, and in particular, to a measurement setup identifier determining method and a related apparatus. The method includes: A requesting station requests an AP as a proxy of the requesting station to perform sensing measurement. The AP obtains parameters used by the AP and a sensing responder in a proxy sensing procedure, and identifies the parameters. The AP uses an identifier different from an existing identifier at the AP when identifying the parameters. The AP then sends the parameters and the identifier to the sensing responder.
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公开(公告)号：US20240306134A1
公开(公告)日：2024-09-12
申请号：US18607855
申请日：2024-03-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Mengshi HU , Jian YU , Ming GAN
IPC: H04W72/0453 , H04W84/12
CPC classification number: H04W72/0453 , H04W84/12
Abstract: This application provides a resource unit indication method, an access point, and a station. In the method, a resource unit allocation subfield in a trigger frame includes a frequency band range indication and a resource unit indication. The resource unit indication is used to indicate an MRU allocated to a station. The frequency band range indication is used to indicate a frequency band range in which an RU in the MRU is located. For example, the frequency band range indication is used to indicate 80 MHz in which a smallest RU in the MRU is located. In this way, the frequency band range indication indicates a frequency band range related to the MRU, and can further carry more information, for example, the frequency band range in which the smallest RU is located. It may be learned that this application may be applied to 802.11ax, 802.11be, and a future Wi-Fi system.
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Patent Agency Ranking
公开(公告)号：US20240205903A1
公开(公告)日：2024-06-20
申请号：US18592738
申请日：2024-03-01
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian YU , Mengshi HU , Ming GAN , Yuxin LU
IPC: H04W72/0453 , H04B7/0452 , H04W72/12
CPC classification number: H04W72/0453 , H04B7/0452 , H04W72/12
Abstract: Embodiments of this application disclose a PPDU transmission method and a related apparatus, improving spectral utilization. The method in embodiments of this application includes: A first device receives a trigger frame from a second device, where the trigger frame indicates a first resource allocated to the first device, the first resource includes N resource subunits, the trigger frame includes first indication information, the first indication information separately indicates whether the first device is allowed to perform TB PPDU transmission on each of the N resource subunits when the first device performs trigger-based physical layer protocol data unit TB PPDU transmission by using some of the N resource subunits, and N is an integer greater than or equal to 1; and the first device sends a TB PPDU to the second device on some of the N resource subunits based on the first indication information.
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公开(公告)号：US20240187065A1
公开(公告)日：2024-06-06
申请号：US18437384
申请日：2024-02-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Mengshi HU , Xiao HAN , Rui DU , Yi LV , Xun YANG , Chenchen LIU
IPC: H04B7/06 , H04L5/00 , H04W74/0808
CPC classification number: H04B7/0626 , H04L5/0044 , H04W74/0808
Abstract: A communication method includes: A first device receives a plurality of NDPs from a second device, where one of the plurality of NDPs corresponds to one piece of CSI; and when a first condition is met, the first device sends first information to a third device, where the first information indicates that a CSI change degree exceeds a first threshold; and the first condition includes any one of the following: a first CSI change degree in a plurality of CSI change degrees of the first device exceeds the first threshold, and a ratio of a quantity of CSI change degrees that exceed the first threshold in the plurality of CSI change degrees to the plurality of CSI change degrees is greater than a second threshold, where the plurality of CSI change degrees are determined based on pieces of CSI corresponding to the plurality of NDPs.
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公开(公告)号：US20240155702A1
公开(公告)日：2024-05-09
申请号：US18411798
申请日：2024-01-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rui DU , Zihan ZHENG , Lingling YANG , Meihong ZHANG , Xiao HAN , Mengshi HU , Xun YANG , Yan LONG , Rong HE
IPC: H04W76/10
CPC classification number: H04W76/10
Abstract: In a sensing session establishment process, an access point sends a first frame to a first station, where the first frame includes first information, the first information indicates a first role of the first station in a sensing session, the first role of the first station in the sensing session is a transmitter and/or a receiver, and the first station is a station participating in the sensing session in a second station associated with the access point; and the access point receives a second frame from the first station, where the second frame includes confirm information for the first frame.
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公开(公告)号：US20230121851A1
公开(公告)日：2023-04-20
申请号：US17994045
申请日：2022-11-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Mengshi HU , Jian YU , Ming GAN
IPC: H04B7/0452 , H04L5/00
Abstract: A data transmission method includes generating a signaling field of a PPDU, where a channel bandwidth for transmitting the PPDU includes at least two frequency segments, which include a first frequency segment, and the channel bandwidth includes an RU for MU-MIMO transmission; the signaling field includes a common field and a user-specific field, the user-specific field includes a user field corresponding to the RU, and the user field is a user field of a station to which the RU is allocated and that parks on the first frequency segment; and the common field includes a resource unit allocation subfield corresponding to the RU, indicating the RU and a quantity of user fields corresponding to the RU; and sending the signaling field on the first frequency segment. Some embodiments are applied to a WLAN system that supports 802.11be standard.
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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
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.
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