Patents by Inventor Dandan LIANG
Dandan LIANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11943170Abstract: 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.Type: GrantFiled: August 4, 2023Date of Patent: March 26, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Jian Yu, Yuchen Guo, Chenchen Liu, Yunbo Li, Ming Gan, Dandan Liang
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Publication number: 20240090059Abstract: A STA in a STA MLD sends an information frame on a link corresponding to the station, and the information frame is used to indicate a STA in an awake state in the STA MLD. An AP MLD receives the information frame, and sends a downlink message frame on a one or more links corresponding to a part of or all of STAs in the awake state in the STA MLD.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Inventors: Ming Gan, Yifan Zhou, Yunbo Li, Yuchen Guo, Jian Yu, Dandan Liang
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Patent number: 11910300Abstract: The application provides an information indication method, including generating a first frame, where the first frame includes address information of a station operating on a frequency band of 6 GHz; and transmitting the first frame on a 2.4 GHz and/or 5 GHz frequency band.Type: GrantFiled: January 27, 2022Date of Patent: February 20, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ming Gan, Dandan Liang
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Publication number: 20240057091Abstract: This application provides a communication method and apparatus, and relates to the field of communication technologies. An AP generates a trigger frame, where the trigger frame includes a first user information field, a part or all of a frequency domain resource indicated by a resource unit allocation subfield in a fourth user information field before the first user information field is located on a primary 160 MHz channel, and a part or all of a frequency domain resource indicated by a resource unit allocation subfield in a fourth user information field after the first user information field is located on a secondary 160 MHz channel. Then, the AP sends the trigger frame.Type: ApplicationFiled: October 16, 2023Publication date: February 15, 2024Inventors: Ming Gan, Mengshi Hu, Jian Yu, Dandan Liang, Yiqing Li, Yunbo Li, Yuchen Guo
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Patent number: 11902065Abstract: The application provides a short training sequence design method and apparatus. The method includes: determining a short training sequence, where the short training sequence may be obtained based on an existing sequence, and the short training sequence with comparatively good performance may be obtained through simulation calculation, for example, by adjusting a parameter; and sending a short training field on a target channel, where the short training field is obtained by performing inverse fast Fourier transformation IFFT on the short training sequence, and a bandwidth of the target channel is greater than 160 MHz.Type: GrantFiled: February 23, 2023Date of Patent: February 13, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xin Zuo, Ming Gan, Dandan Liang
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Patent number: 11902887Abstract: 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 802.11be. 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.Type: GrantFiled: October 3, 2022Date of Patent: February 13, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Ming Gan, Guogang Huang, Yiqing Li, Yifan Zhou, Mengshi Hu, Dandan Liang
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Patent number: 11903068Abstract: A STA in a STA MLD sends an information frame on a link corresponding to the station, and the information frame is used to indicate a STA in an awake state in the STA MLD. An AP MLD receives the information frame, and sends a downlink message frame on a one or more links corresponding to a part of or all of STAs in the awake state in the STA MLD, to assist the part of or all of the stations in fast accessing a channel without waiting for a NAVSyncDelay time period.Type: GrantFiled: June 21, 2023Date of Patent: February 13, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Ming Gan, Yifan Zhou, Yunbo Li, Yuchen Guo, Jian Yu, Dandan Liang
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Publication number: 20240031915Abstract: 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.Type: ApplicationFiled: July 17, 2023Publication date: January 25, 2024Inventors: Ming GAN, Dandan LIANG, Xun YANG
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Patent number: 11882514Abstract: 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 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, 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.Type: GrantFiled: October 13, 2022Date of Patent: January 23, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Ming Gan, Dandan Liang, Jian Yu, Yuchen Guo, Yunbo Li, Xun Yang
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Patent number: 11882522Abstract: 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.Type: GrantFiled: June 11, 2021Date of Patent: January 23, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiao Han, Yuchen Guo, Jian Yu, Dandan Liang
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Publication number: 20240015640Abstract: Embodiments of this application provide an access point (AP) multi-link device discovery method and a related apparatus, for example, are applied to a WLAN supporting 802.11be. The method includes: sending, by a station (STA), a probe request frame, wherein the probe request frame carries at least one link identifiers of at least one AP for requesting information of the at least one AP, and the STA is affiliated to a STA MLD; and receiving, by the STA from an AP MLD, a probe response frame, wherein the probe response frame carries the information of the at least one AP requested by the STA.Type: ApplicationFiled: September 25, 2023Publication date: January 11, 2024Inventors: Ming GAN, Guogang HUANG, Yiqing LI, Yifan ZHOU, Mengshi HU, Dandan LIANG
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Publication number: 20230421333Abstract: 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.Type: ApplicationFiled: August 4, 2023Publication date: December 28, 2023Inventors: Jian Yu, Yuchen Guo, Chenchen Liu, Yunbo Li, Ming Gan, Dandan Liang
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Publication number: 20230396383Abstract: This application relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for transmitting a physical layer protocol data unit, and for example, is applied to a wireless local area network. The method includes: A first communications device generates a PPDU and may send the PPDU, where the PPDU includes an LTF sequence; and correspondingly, a second communications device receives the PPDU, and parses the PPDU to obtain the LTF sequence included in the PPDU. Embodiments of this application can be used to design an LTF sequence that has a relatively low PAPR on entire bandwidth, on a single resource unit, on a combined resource unit, and in a considered multi-stream scenario.Type: ApplicationFiled: August 16, 2023Publication date: December 7, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chenchen Liu, Dandan Liang, Ming Gan
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Patent number: 11832263Abstract: This application provides a communication method and apparatus, and relates to the field of communication technologies. The method includes: An AP generates a trigger frame, where the trigger frame includes a first user information field, a part or all of a frequency domain resource indicated by a resource unit allocation subfield in a fourth user information field before the first user information field is located on a primary 160 MHz channel, and a part or all of a frequency domain resource indicated by a resource unit allocation subfield in a fourth user information field after the first user information field is located on a secondary 160 MHz channel. Then, the AP sends the trigger frame.Type: GrantFiled: November 28, 2022Date of Patent: November 28, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Ming Gan, Mengshi Hu, Jian Yu, Dandan Liang, Yiqing Li, Yunbo Li, Yuchen Guo
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Publication number: 20230380011Abstract: The technology of this application relates to methods and apparatuses for sending and receiving a physical layer protocol data unit. The method includes generating a physical layer protocol data unit (PPDU), where the PPDU includes a short training field, a length of a frequency domain sequence of the short training field is greater than a first length, and the first length is a length, for example, 2048, of a frequency domain sequence of a short training field that is transmitted over a 160 MHz-bandwidth channel. The method further includes sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz. According to embodiments of this application, a larger actual channel bandwidth can be achieved, and backward compatibility is implemented.Type: ApplicationFiled: July 27, 2023Publication date: November 23, 2023Inventors: Dandan Liang, Ming Gan, Xun Yang
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Patent number: 11817980Abstract: A method and an apparatus for transmitting a physical layer protocol data unit that can provide a short training field sequence for a larger channel bandwidth. The short training field sequence has a smaller peak-to-average power ratio PAPR and better performance. The method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a short training field, a length of a frequency domain sequence of the short training field is greater than a first length, and the first length is a length of a frequency domain sequence of a short training field of a PPDU transmitted on a channel with a bandwidth of 160 MHz; and sending the PPDU on a target channel, where a bandwidth of the target channel is greater than 160 MHz.Type: GrantFiled: July 1, 2022Date of Patent: November 14, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Dandan Liang, Ming Gan, Xun Yang
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Publication number: 20230354160Abstract: 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.Type: ApplicationFiled: June 22, 2023Publication date: November 2, 2023Inventors: Ming Gan, Yuchen Guo, Yunbo Li, Dandan Liang, Jian Yu, Mao Yang, Bo Li
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Publication number: 20230344749Abstract: This application is applicable to a multi-link group addressed traffic transmission method and an apparatus. A first access point (AP) of an AP multi-link device (MLD) sends group addressed traffic indication information indicating whether each AP of other APs of the AP MLD has a group addressed traffic, so that a station (STA) can learn whether the multiple APs have a group addressed traffic. In this way, each STA of the STAMLD does not need to listen to each AP whether each AP has a group addressed traffic. This reduces power consumption of the STA MLD. This application may be applied to a wireless local area network system that supports an IEEE 802.11ax next-generation Wi-Fi EHT protocol, for example, 802.11 series protocols such as 802.11be.Type: ApplicationFiled: June 20, 2023Publication date: October 26, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ming Gan, Dandan Liang, Yiqing Li, Yuchen Guo, Yunbo Li, Jian Yu, Xun Yang
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Publication number: 20230337308Abstract: A STA in a STA MLD sends an information frame on a link corresponding to the station, and the information frame is used to indicate a STA in an awake state in the STA MLD. An AP MLD receives the information frame, and sends a downlink message frame on a one or more links corresponding to a part of or all of STAs in the awake state in the STA MLD, to assist the part of or all of the stations in fast accessing a channel without waiting for a NAVSyncDelay time period.Type: ApplicationFiled: June 21, 2023Publication date: October 19, 2023Inventors: Ming Gan, Yifan Zhou, Yunbo Li, Yuchen Guo, Jian Yu, Dandan Liang
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Publication number: 20230328666Abstract: Embodiments of this disclosure disclose a multi-link communication method and a related apparatus. In a scenario in which simultaneous transmission and reception over a plurality of links is not supported, a multi-link device first sends a first physical layer protocol data unit (PPDU) over a first link, and then sends a second PPDU over a second link through channel contention, where an end time of the second PPDU is not later than an end time of the first PPDU. The method not only ensures fairness of multi-link access, but also can reduce an idle rate of the plurality of links.Type: ApplicationFiled: June 13, 2023Publication date: October 12, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ming Gan, Yifan Zhou, Dandan Liang, Guogang Huang, Xun Yang