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1. 发明公开

EP4447514A1 DATA TRANSMISSION METHOD AND COMMUNICATION APPARATUS 审中-公开
公开(公告)号：EP4447514A1
公开(公告)日：2024-10-16
申请号：EP23737023.4
申请日：2023-01-04
申请人： Huawei Technologies Co., Ltd.
发明人： HU, Mengshi , MONTEMURRO, Michael , HAN, Xiao , DU, Rui , SUN, Li , LIU, Peng , YANG, Xun , NAREN, Gerile
IPC分类号： H04W12/08
CPC分类号： H04W12/08
摘要： Embodiments of this application provide a data transmission method and a communication apparatus. Embodiments of this application are applied to a wireless local area network system that supports various IEEE 802.11 protocols, such as 802. 1 The (EHT) or 802. 1 1bf series protocols. The method includes: An access point sends first indication information to a first station, where the first indication information indicates that the first station is accepted to obtain sensing information of a second station. The access point sends the sensing information to the first station, where the access point is a proxy of the first station, the proxy is configured to obtain the sensing information for the first station, the first station is a sensing by proxy requesting station, and the second station is a sensing by proxy responding station. According to the technical solutions, in embodiments of this application, when the access point becomes the proxy of the sensing by proxy requesting station, security of the sensing information of the sensing by proxy responding station can be ensured.

2. 发明公开

EP4422251A1 SENSING METHOD, APPARATUS AND SYSTEM 审中-实审
公开(公告)号：EP4422251A1
公开(公告)日：2024-08-28
申请号：EP22889228.7
申请日：2022-10-31
申请人： Huawei Technologies Co., Ltd.
发明人： HU, Mengshi , HAN, Xiao , DU, Rui , LV, Yi , YANG, Xun
IPC分类号： H04W24/02
CPC分类号： H04W24/02
摘要： This application provides a sensing method, an apparatus, and a system, to enable a plurality of measurement setups to share one measurement instance, to improve measurement efficiency. The method includes: A first device generates and sends first indication information, where the first indication information indicates that a first measurement setup and a second measurement setup share a first measurement instance. Correspondingly, a second device receives and parses the first indication information, to learn that the first measurement setup and the second measurement setup share the first measurement instance.

3. 发明公开

EP4407913A1 METHOD AND APPARATUS FOR TRANSMITTING PHYSICAL PROTOCOL DATA UNIT 审中-实审
公开(公告)号：EP4407913A1
公开(公告)日：2024-07-31
申请号：EP22880250.0
申请日：2022-10-10
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Chenchen , YANG, Xun , PENG, Xiaohui
IPC分类号： H04L5/00
CPC分类号： H04L27/18 , H04L27/02 , H04B1/7183 , H04L5/00
摘要： Embodiments of this application provide a method and an apparatus for transmitting a physical layer protocol data unit. The method includes: generating a synchronization header field based on a first sequence or a third sequence, where a side lobe of a periodic cross-correlation function of the first sequence and a second sequence is a constant value, the first sequence is a binary sequence consisting of 1 and 0, the second sequence is a binary phase shift keying sequence corresponding to the first sequence, a side lobe of a periodic autocorrelation function of the third sequence is a constant value, and the third sequence is a binary phase shift keying sequence consisting of 1 and -1; and sending a physical layer protocol data unit PPDU on a target channel, where the PPDU includes the synchronization header field. According to the solutions in this application, synchronization of an ultra-wideband UWB device can be implemented.

4. 发明公开

EP4401352A2 DOWNLINK PPDU SENDING METHOD AND APPARATUS, AND DOWNLINK PPDU RECEIVING METHOD AND APPARATUS 审中-实审
公开(公告)号：EP4401352A2
公开(公告)日：2024-07-17
申请号：EP24156354.3
申请日：2018-10-31
申请人： Huawei Technologies Co., Ltd.
发明人： GAN, Ming , SHILO, Shimon , EPSTEIN, Leonid , REDLICH, Oded , YANG, Xun , WU, Tao
IPC分类号： H04L5/00
CPC分类号： H04L5/0053 , H04L5/0094 , H04W84/12 , H04L27/2603
摘要： A radio physical layer protocol data unit PPDU sending method includes: obtaining, by a sending apparatus, a radio PPDU, where the PPDU includes a HE-SIG-A and a HE-SIG-B, the HE-SIG-A includes a field used to indicate a quantity of OFDM symbols in the HE-SIG-B, and when different MCSs are used, or whether DCM is used, or different bandwidths are used for HE-SIG-B field transmission, a same value in the field used to indicate the quantity of OFDM symbols in the HE-SIG-B indicates different quantities of OFDM symbols; and sending the PPDU, so that a receiving apparatus determines, with reference to the different MCSs, or whether the DCM is used, or the different bandwidths and based on a value of the field used to indicate the quantity of OFDM symbols in the HE-SIG-B, the quantity of OFDM symbols in the HE-SIG-B.

5. 发明公开

EP4358574A1 METHOD FOR ESTABLISHING SENSING SESSION, AND COMMUNICATION DEVICE 审中-实审
公开(公告)号：EP4358574A1
公开(公告)日：2024-04-24
申请号：EP22841182.3
申请日：2022-06-28
申请人： Huawei Technologies Co., Ltd.
发明人： DU, Rui , ZHENG, Zihan , YANG, Lingling , ZHANG, Meihong , HAN, Xiao , HU, Mengshi , YANG, Xun , LONG, Yan , HE, Rong
IPC分类号： H04W24/10 , G08C17/02 , H04B17/309
CPC分类号： H04W76/10 , H04W4/80 , H04W24/02 , H04B17/309 , H04W24/10 , G08C17/02
摘要： This application relates to a sensing session establishment method and a communication apparatus. This application is applied to a wireless local area network system supporting IEEE 802.11ax next-generation Wi-Fi protocols, for example, 802.11 series protocols such as the 802.11be or the EHT. The sensing session establishment method includes: 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. According to this application, in a manner in which the access point sends, to a station, a data frame used to configure a role of the station in a sensing session, the access point can flexibly manage the station participating in the sensing session.

6. 发明公开

EP4287580A3 COMMUNICATION METHOD APPLICABLE TO MULTIPLE LINKS, AND RELATED DEVICES 审中-实审
公开(公告)号：EP4287580A3
公开(公告)日：2024-01-10
申请号：EP23186955.3
申请日：2020-05-22
申请人： Huawei Technologies Co., Ltd.
发明人： GAN, Ming , YANG, Xun
IPC分类号： H04W28/02 , H04W76/15 , H04L5/00 , H04L47/30 , H04L47/27 , H04L1/1829 , H04L1/1607
摘要： Embodiments of this application disclose a multi-link communication method and a related device. The method includes: A first device sends an ADDBA request frame to a second device, where the ADDBA request frame includes a reference value of at least one first buffer size field and a reference value of one second buffer size. The first device receives an ADDBA response frame sent by the second device, where the ADDBA response frame includes an acknowledgment value of the at least one first buffer size field and an acknowledgment value of the second buffer size field. The first device establishes a multi-link block acknowledgment session based on the ADDBA request frame and the ADDBA response frame. One first buffer size field is used to indicate a size of a local buffer space corresponding to one link in the multiple links of the first device and the multiple links of the second device, and the second buffer size field is used to indicate a size of a global buffer space maintained by the first device and the second device. According to the embodiments of this application, communication efficiency can be improved.

7. 发明公开

EP4145933A1 METHOD FOR SIGNALING INFORMATION EXCHANGE IN WIRELESS LOCAL AREA NETWORK, AND COMMUNICATION APPARATUS 审中-实审
公开(公告)号：EP4145933A1
公开(公告)日：2023-03-08
申请号：EP21811843.8
申请日：2021-04-29
申请人： Huawei Technologies Co., Ltd.
发明人： GAN, Ming , LIANG, Dandan , YU, Jian , LI, Yunbo , GUO, Yuchen , YANG, Xun , LI, Yiqing
IPC分类号： H04W72/04 , H04W76/15
摘要： 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, which are applied to, for example, a WLAN supporting 802.11be. The method includes: A reporting access point AP sends a management frame to a station. The reporting AP belongs to a first AP multi-link device MLD, and the reporting AP belongs to a multiple BSSID set. The management frame includes MLD information. The MLD information carries, by using different types of MLD elements, such as a formal MLD element, a virtual MLD element, and a multiple BSSID element, for example, information about another AP in the MLD to which the AP belongs, information about the multiple BSSID set to which the AP belongs, and information about an AP in a multiple BSSID set including the another AP in the MLD to which the AP belongs. The station obtains information about the reporting AP and other information about a reported AP based on the management frame. In this way, the station may select a corresponding AP or AP multi-link device to establish an association.

8. 发明公开

EP4123935A1 DOWNLINK PPDU SENDING METHOD AND APPARATUS, AND DOWNLINK PPDU RECEIVING METHOD AND APPARATUS 有权
公开(公告)号：EP4123935A1
公开(公告)日：2023-01-25
申请号：EP22179668.3
申请日：2018-10-31
申请人： Huawei Technologies Co., Ltd.
发明人： GAN, Ming , SHILO, Shimon , EPSTEIN, Leonid , REDLICH, Oded , YANG, Xun , WU, Tao
IPC分类号： H04L1/00 , H04L5/00 , H04W72/00 , H04W84/12
摘要： A radio physical layer protocol data unit PPDU sending method includes: obtaining, by a sending apparatus, a radio PPDU, where the PPDU includes a HE-SIG-A and a HE-SIG-B, the HE-SIG-A includes a field used to indicate a quantity of OFDM symbols in the HE-SIG-B, and when different MCSs are used, or whether DCM is used, or different bandwidths are used for HE-SIG-B field transmission, a same value in the field used to indicate the quantity of OFDM symbols in the HE-SIG-B indicates different quantities of OFDM symbols; and sending the PPDU, so that a receiving apparatus determines, with reference to the different MCSs, or whether the DCM is used, or the different bandwidths and based on a value of the field used to indicate the quantity of OFDM symbols in the HE-SIG-B, the quantity of OFDM symbols in the HE-SIG-B.

9. 发明公开

EP4064781A1 CHANNEL DETECTION METHOD AND APPARATUS 审中-公开
公开(公告)号：EP4064781A1
公开(公告)日：2022-09-28
申请号：EP20904760.4
申请日：2020-12-10
申请人： Huawei Technologies Co., Ltd.
发明人： YU, Jian , GUO, Yuchen , YANG, Xun , LIANG, Dandan , LI, Yunbo , GAN, Ming
IPC分类号： H04W72/12
摘要： This application discloses a channel sounding method and an apparatus. The method includes the following steps: A first access point device sends a sounding request frame to a second access point device, where the sounding request frame is for requesting the second access point device to perform channel sounding, the sounding request frame includes a sounding bandwidth field and/or a number of spatial streams field, the sounding bandwidth field is used to indicate a bandwidth for performing channel sounding, and the number of spatial streams field is used to indicate a quantity of spatial streams on which channel sounding is performed. Correspondingly, the second access point device receives the sounding request frame sent by the first access point device, and performs channel sounding according to parameter information indicated by the sounding request frame. Implementing this application can enable the first access point device and the second access point device to perform coordinated transmission on a same bandwidth and under scheduling (for example, spatial stream allocation) of the first access point device. This improves efficiency of coordinated transmission between the first access point device and the second access point device.

10. 发明公开

EP3989451A1 METHOD AND DEVICE FOR CHANNEL INFORMATION FEEDBACK 审中-公开
公开(公告)号：EP3989451A1
公开(公告)日：2022-04-27
申请号：EP21197990.1
申请日：2013-12-06
申请人： Huawei Technologies Co., Ltd.
发明人： YANG, Xun , LUO, Yi , LI, Jing
IPC分类号： H04B7/02 , H04B7/06
摘要： The present invention provides a method and a device for channel information feedback, where the method includes: obtaining, by a beamformer, channel feedback information, where the channel feedback information includes: channel information related to the beamformer and channel information related to other beamformer; the channel information includes: channel information fed back by a beamformee in a same basic service set and channel information fed back by a beamformee in a different basic service set. Channel feedback of multiple sending ends is achieved in the present invention.

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