Patents by Inventor Ming Gan

Ming Gan 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).

  • COMMUNICATION METHOD BETWEEN MULTI-LINK DEVICES AND APPARATUS
    Publication number: 20230354160
    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.
    Type: Application
    Filed: June 22, 2023
    Publication date: November 2, 2023
    Inventors: Ming Gan, Yuchen Guo, Yunbo Li, Dandan Liang, Jian Yu, Mao Yang, Bo Li
  • NOMINAL PACKET PADDING VALUE INDICATION METHOD, DETERMINING METHOD, AND COMMUNICATION APPARATUS
    Publication number: 20230353274
    Abstract: A feeding network, an antenna, an antenna system, a base station, and a beam forming method. The antenna includes an array antenna, a feeding network, and an antenna port. The array antenna includes a plurality of radiating elements. Each output of each feeding network is connected to at least one radiating element in the array antenna. Each input of each feeding network is connected to the antenna port. Each feeding network has one input and two outputs, and one of the two outputs includes a phase shifter. The phase shifter has a first operating state to increase the coverage space of beam forming.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 2, 2023
    Inventors: Mengshi HU, Jian YU, Chenchen LIU, Ming GAN, Ju CAO
  • PPDU UPLINK BANDWIDTH INDICATION METHOD AND RELATED APPARATUS
    Publication number: 20230354284
    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.
    Type: Application
    Filed: April 27, 2023
    Publication date: November 2, 2023
    Inventors: Ming Gan, Yiqing Li, Chenchen Liu, Yunbo Li, Yuchen Guo, Jian Yu, Xun Yang
  • TIME RESOURCE ALLOCATION AND RECEIVING METHOD AND RELATED APPARATUS
    Publication number: 20230354276
    Abstract: This application relates to the field of wireless communication. An example method includes a first device generating a media access control (MAC) frame. The MAC frame includes a subfield. The subfield indicates that the MAC frame is a modified multi-user request-to-send frame. The modified multi-user request-to-send frame indicates a time resource allocated to a second device. The example method further includes the first device sending the MAC frame.
    Type: Application
    Filed: June 30, 2023
    Publication date: November 2, 2023
    Inventors: Yunbo LI, Yuchen GUO, Guogang HUANG, Ming GAN
  • PUNCTURING INFORMATION INDICATION METHOD AND COMMUNICATION APPARATUS
    Publication number: 20230345302
    Abstract: This disclosure discloses puncturing information indication methods and communication apparatuses. In an implementation, a method comprises generate a physical layer protocol data unit (PPDU) comprising a preamble, wherein the preamble comprises preamble puncturing information carried by a content channel and indicates preamble puncturing status of subchannels of a bandwidth of the PPDU, wherein the content channel is distributed on some subchannels of the bandwidth of the PPDU, and a bandwidth of the content channel is less than the bandwidth of the PPDU, and send the PPDU.
    Type: Application
    Filed: June 30, 2023
    Publication date: October 26, 2023
    Inventors: Mengshi HU, Jian YU, Ming GAN
  • MULTI-LINK COMMUNICATION SETUP METHOD AND RELATED APPARATUS
    Publication number: 20230345565
    Abstract: Embodiments of this application relates to a multi-link communication setup method and a related apparatus. The method includes: a non-AP MLD sends an association request frame on a first link, to request multi-link setup. An AP MLD returns an association response frame on the first link, to notify whether multi-link setup succeeds. The AP MLD sets a second status code field of a multi-link element of the association response frame to a newly defined value, to indicate that a cause why a link is not accepted is that the first link is not accepted. This application is applied to a WLAN system that supports a next generation Wi-Fi protocol of 802.11ax, for example, 802.11be, Wi-Fi 7, or EHT, and other 802.11 series protocols; and for another example, a next generation protocol of 802.11be: Wi-Fi 8.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 26, 2023
    Inventors: Yuchen GUO, Guogang HUANG, Yunbo LI, Ming GAN
  • PPDU TRANSMISSION METHOD AND RELATED APPARATUS
    Publication number: 20230344586
    Abstract: A method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a data field; and sending the PPDU to a first station and a second station, where the first station is a station that does not support receiving a midamble, and the second station is a station that supports receiving the midamble. A second data field transmitted on a second resource unit allocated to the second station includes a midamble subfield. A first data field transmitted on a first resource unit allocated to the first station includes a useful information subfield. The useful information subfield includes useful data information, and the useful information subfield is located before a first OFDM symbol corresponding to the midamble subfield.
    Type: Application
    Filed: June 30, 2023
    Publication date: October 26, 2023
    Inventors: Jian Yu, Mengshi Hu, Shimon Shilo, Jinzhe Pan, Ming Gan
  • INFORMATION TRANSMISSION METHOD AND APPARATUS
    Publication number: 20230344574
    Abstract: This application relates to the field of communication technologies, and provides an information transmission method and an apparatus. The information transmission method includes: A transmit device generates a PPDU of a 320 MHz bandwidth, where some or all fields of the PPDU are rotated in the 320 MHz bandwidth based on a rotation factor sequence, the 320 MHz bandwidth includes sixteen 20 MHz sub-channels, the rotation factor sequence includes 16 rotation factors, and each 20 MHz sub-channel corresponds to one rotation factor. The transmit device sends the PPDU.
    Type: Application
    Filed: June 23, 2023
    Publication date: October 26, 2023
    Inventors: Chenchen Liu, Bo Gong, Ming Gan
  • MULTI-LINK GROUP ADDRESSED TRAFFIC TRANSMISSION METHOD AND APPARATUS
    Publication number: 20230344749
    Abstract: 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: Application
    Filed: June 20, 2023
    Publication date: October 26, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ming Gan, Dandan Liang, Yiqing Li, Yuchen Guo, Yunbo Li, Jian Yu, Xun Yang
  • COMMUNICATION METHOD AND APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM
    Publication number: 20230345537
    Abstract: A communication method, an apparatus, and a computer-readable storage medium are provided. The method includes: if a first condition is met, a station (STA) determines that a restricted service period ends, where the first condition includes one or more of the following: receiving a first frame, where the first frame indicates that the restricted service period ends; receiving no second frame in a preset time period; and receiving a frame for non-low-latency service communication in a local cell, where the local cell is a basic service set (BSS) to which the STA belongs.
    Type: Application
    Filed: June 30, 2023
    Publication date: October 26, 2023
    Inventors: Yuchen Guo, Yunbo Li, Ming Gan
  • CYCLIC SHIFT DIVERSITY SEQUENCE–BASED COMMUNICATION METHOD, APPARATUS, AND SYSTEM
    Publication number: 20230336389
    Abstract: The embodiments of this application provides a cyclic shift diversity sequence-based communication method. In the method, a first communication apparatus generates a physical layer protocol data unit (PPDU) and sends the PPDU to a second communication apparatus. The PPDU includes a short training field (STF), a long training field (LTF), and a data field that are determined based on a cyclic shift diversity (CSD) sequence. After receiving the PPDU from the first communication apparatus, the second communication apparatus performs processing based on the PPDU. The CSD sequence includes L elements. L is a maximum number of spatial streams supported by the first communication apparatus and the second communication apparatus. The maximum number of spatial streams is greater than or equal to 16.
    Type: Application
    Filed: June 23, 2023
    Publication date: October 19, 2023
    Inventors: Bo GONG, Chenchen LIU, Mengshi HU, Jian YU, Ming GAN
  • MULTI-LINK COMMUNICATION METHOD AND APPARATUS
    Publication number: 20230337308
    Abstract: 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: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Inventors: Ming Gan, Yifan Zhou, Yunbo Li, Yuchen Guo, Jian Yu, Dandan Liang
  • Information transmission method and apparatus
    Patent number: 11792060
    Abstract: Embodiments of this application provide information transmission methods and apparatuses. One method includes: generating, by a first communications device, a physical layer protocol data unit (PPDU) with a bandwidth of X MHz, wherein X>160, some or all fields in the PPDU are rotated in the bandwidth of X MHz by using a rotation factor sequence, the bandwidth of X MHz comprises n bandwidths ofY MHz, the rotation factor sequence comprises n rotation factors, and each of the n bandwidths corresponds to one rotation factor; and sending, by the first communications device, the PPDU to a second communications device.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: October 17, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ming Gan, Xin Zuo, Xun Yang
  • DATA COMMUNICATION METHOD AND APPARATUS
    Publication number: 20230328780
    Abstract: The present disclosure relates to data communication methods and apparatuses. One example method includes when receiving a physical layer protocol data unit (PPDU), obtaining, by a network node, a basic service set (BSS) identifier in the PPDU.If the BSS identifier in the PPDU is different from a first BSS identifier and same as a second BSS identifier, the network node determines whether the PPDU meets a preset spatial reuse condition, where the first BSS identifier is an identifier of a first BSS to which the network node belongs, the second BSS identifier is an identifier of an extended BSS to which a target relay belongs, and the target relay and the network node belong to the first BSS. If the PPDU meets the preset spatial reuse condition, the network node contends for an access channel, and communicates with a station other than the target relay in the first BSS.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Inventors: Ming GAN, Jian YU, Xun YANG
  • MULTI-LINK COMMUNICATION METHOD AND APPARATUS
    Publication number: 20230328666
    Abstract: 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: Application
    Filed: June 13, 2023
    Publication date: October 12, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ming Gan, Yifan Zhou, Dandan Liang, Guogang Huang, Xun Yang
  • METHOD FOR INDICATING SPATIAL REUSE PARAMETER AND DETERMINING SPATIAL REUSE PARAMETER FIELD AND APPARATUS
    Publication number: 20230328718
    Abstract: This application relates to the wireless communication field, and is applied to a wireless local area network that supports the 802.11be standard. In particular, this application relates to a method including: An access point AP sends a trigger frame, where the trigger frame is used for triggering a station to send an extremely high throughput trigger based physical layer protocol data unit EHT TB PPDU. The station determines, based on one or two of a value indicated by an uplink EHT spatial reuse parameter UL EHT SRP and a value indicated by one or more uplink spatial reuse parameter UL SRP fields in a common information field of the trigger frame, a value indicated by a spatial reuse parameter SRP in a universal signal field U-SIG of the EHT TB PPDU. The STA sends the EHT TB PPDU to the AP.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Inventors: Jian YU, Ming GAN, Mengshi HU
  • Method and apparatus for transmitting physical layer protocol data unit
    Patent number: 11784772
    Abstract: 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: Grant
    Filed: December 15, 2022
    Date of Patent: October 10, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chenchen Liu, Dandan Liang, Ming Gan
  • POWER CONTROL METHOD IN WIRELESS LOCAL AREA NETWORK AND RELATED APPARATUS
    Publication number: 20230319732
    Abstract: In a power control method in a wireless local area network, a beamformer sends a null data packet (NDP) via a plurality of spatial streams to beamformees. After receiving the NDP, a beamformee determines a first parameter for power control based on RSSIs of a plurality of receive antennas when the beamformee receives the NDP, or based on SNRs of a plurality of spatial streams when the beamformee receives the NDP. The beamformee then generates a beamforming report comprising the first parameter, and sends the beamforming report to the beamformer.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Wei Ruan, Jian Yu, Cong Chen, Chenchen Liu, Ming Gan
  • PROTOCOL DATA UNIT PPDU TRANSMISSION METHOD AND APPARATUS
    Publication number: 20230319889
    Abstract: This application provides a protocol data unit PPDU transmission method and apparatus, and relates to the field of communication technologies, to indicate, to a STA, a channel for sending a CTS frame. In the method, a first device may send a first data unit. The first data unit may include at least a second data unit and a third data unit. The second data unit is used to carry a first MU-RTS frame. The third data unit is used to carry a second MU-RTS frame. The first MU-RTS frame and the second MU-RTS frame use a same scrambling code initialization value. Based on the foregoing solution, an AP may indicate, to a plurality of STAs by using a plurality of MU-RTS frames, channels for replying CTS frames. The AP may indicate the first MU-RTS frame and the second MU-RTS frame to use the same scrambling code initialization value.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yunbo Li, Ming Gan, Jian Yu, Yuchen Guo, Yiqing Li, Guogang Huang
  • METHOD FOR DETERMINING DATA BUFFER STATUS, AND APPARATUS
    Publication number: 20230319640
    Abstract: Embodiments of this application disclose a method for determining a data buffer status, and an apparatus. The method includes: A first MLD receives first indication information from a second MLD, and determines, based on the first indication information and a correspondence between an association identifier of the first MLD and a data type supported by the first MLD, a buffer status of bufferable data that corresponds to the at least one data type and that is in the second MLD, where the first indication information is used to indicate the buffer status of the bufferable data. According to the embodiments of this application, a data buffer status in a data type dimension can be determined. The embodiments of this application may be applied to a wireless local area network system that supports a next-generation Wi-Fi EHT protocol of the IEEE 802.11, that is, the 802.11 protocol such as 802.11be.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yunbo Li, Ming Gan, Yuchen Guo, Yifan Zhou, Yiqing Li