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).

  • METHODS AND APPARATUSES FOR SENDING AND RECEIVING PHYSICAL LAYER PROTOCOL DATA UNIT
    Publication number: 20230380011
    Abstract: 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: Application
    Filed: July 27, 2023
    Publication date: November 23, 2023
    Inventors: Dandan Liang, Ming Gan, Xun Yang
  • SERVICE INDICATION METHOD AND APPARATUS
    Publication number: 20230370533
    Abstract: A method includes generating quality of service requirement information which includes packet loss rate indication information. The packet loss rate indication information includes an acceptable maximum packet loss rate and a reference number of service data packets. The reference number of service data packets indicates a reference measurement number for counting the packet loss rate. The method also includes sending the quality of service requirement information.
    Type: Application
    Filed: July 24, 2023
    Publication date: November 16, 2023
    Inventors: Guogang HUANG, Zhaoxia LIU, Yuchen GUO, Yunbo LI, Ming GAN
  • Method and apparatus for transmitting physical layer protocol data unit
    Patent number: 11817980
    Abstract: 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: Grant
    Filed: July 1, 2022
    Date of Patent: November 14, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dandan Liang, Ming Gan, Xun Yang
  • INFORMATION TRANSMISSION METHOD, COMMUNICATION APPARATUS, COMPUTER-READABLE STORAGE MEDIUM, AND CHIP
    Publication number: 20230361941
    Abstract: In an information transmission method, a receiving device receives a data frame from a sending device. The data frame occupies a transmission resource block, and includes RU allocation information. The receiving device determines indication information based on a location of a 160 MHz channel with more data tones of the transmission resource block and a resource block size indicated by the RU allocation information. The receiving device then determines a response resource block based on the indication information and the RU allocation information, and sends an acknowledgment frame for the data frame to the sending device on the response resource block.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuchen Guo, Ming Gan, Jian Yu, Mengshi Hu
  • COMMUNICATION METHOD AND COMMUNICATION APPARATUS
    Publication number: 20230362860
    Abstract: This application provides a communication method and a communication apparatus. The 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 the second PPDU carries a second trigger frame; and an absolute value of a time difference between an end time of sending the first PPDU and an end time of sending the second PPDU is less than or equal to a first duration, and the first duration is related to a state turnaround time in a short interframe space (SIFS) time.
    Type: Application
    Filed: July 13, 2023
    Publication date: November 9, 2023
    Inventors: Yunbo LI, Ming GAN, Yuchen GUO
  • METHOD FOR RECOVERING PERMISSION TO USE TRANSMISSION OPPORTUNITY AND RELATED APPARATUS
    Publication number: 20230363000
    Abstract: This embodiments of the application relates to the field of wireless communication, and in particular, to a method for recovering permission to use a transmission opportunity and a related apparatus. The method includes: A first device receives a first frame from a second device. The first device recovers the permission to use the transmission opportunity (TXOP) based on the first frame. The first frame indicates that the second device has stopped using a first time resource. The first time resource is allocated by the first device from an obtained TXOP to the second device by using a single-user trigger frame.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 9, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Mao Yang, Bo Li, Yunbo Li, Ming Gan
  • INFORMATION INDICATION METHOD AND COMMUNICATION APPARATUS
    Publication number: 20230363001
    Abstract: A non-AP MLD or a first STA in the non-AP MLD generates a first frame. The first frame includes indication information for indicating padding duration for a channel switch delay in an initial control frame. The padding duration is determined based on duration of a control response frame. The non-AP MLD or the first STA or another STA in the non-AP MLD transmits the first frame. An AP MLD or a first AP or another AP in the AP MLD receives the first frame. The AP MLD or the first AP determines the padding duration of the initial control frame based on the indication information.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Inventors: Yuchen Guo, Ming Gan, Yunbo Li
  • BANDWIDTH INDICATION METHOD APPLIED IN WIRELESS LOCAL AREA NETWORK AND COMMUNICATION APPARATUS
    Publication number: 20230361951
    Abstract: This application provides a bandwidth indication method and a communication apparatus. The method includes: generating, by a communication apparatus, a physical layer protocol data unit (PPDU), wherein the PPDU comprises a universal signal (U-SIG) field and an extremely high throughput-signal (EHT-SIG) field, wherein a transmission bandwidth of the PPDU is used for non-orthogonal frequency division multiple access (OFDMA) transmission, wherein the U-SIG field indicates a number of EHT-SIG Symbols, wherein the EHT-SIG field comprises a field indicating a number of multi-user multiple-input multiple-output (MU-MIMO) users; and sending, by the communication apparatus, the PPDU to a station.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Inventors: Jian YU, Mengshi HU, Ming GAN
  • Radio frame sending method and apparatus, and radio frame receiving method and apparatus
    Patent number: 11812402
    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 (or referred to as the EHT protocol) and other 802.11 family of protocols.
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: November 7, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yuchen Guo, Yiqing Li, Ming Gan
  • Communication method and communication apparatus
    Patent number: 11812399
    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.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: November 7, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yunbo Li, Ming Gan, Yuchen Guo
  • COMMUNICATION METHOD AND APPARATUS
    Publication number: 20230353323
    Abstract: A method includes: A first device sends a block acknowledgment request frame to a second device. The block acknowledgment request frame is used to request the second device to send a block acknowledgment frame. The block acknowledgment frame indicates a receiving status of an access control layer protocol data unit in first transmission. The first transmission is suspended at a first moment, and the first moment is earlier than a transmission end moment when the first transmission is not suspended. The first device receives the block acknowledgment frame. The first device starts, at a second moment, to perform second transmission.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 2, 2023
    Inventors: Mao YANG, Zhongjiang YAN, Yiqing LI, Yunbo LI, Jian YU, Ming GAN
  • 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