Patents by Inventor Kwok Shum Au

Kwok Shum Au 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).

  • Publication number: 20240049049
    Abstract: A method, apparatus and system for transmitting control information in a header of a physical protocol data unit (PPDU), such as an IEEE 802.11 compliant PPDU. Embodiments include indicating control features in an EDMG PPDU for Wireless LAN communications. The method and system may include overloading at least one bit of a Scrambler Initialization Field in the PPDU header (e.g. the PHY header) to convey control information, as well as to be used to initialize the scrambler shift register. The same header bits are thus used for both purposes. Examples of control information include a primary channel, channel width or MIMO configuration to be used in further communication.
    Type: Application
    Filed: July 13, 2023
    Publication date: February 8, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan XIN, Sheng SUN, Osama ABOUL-MAGD, Kwok Shum AU, Jung Hoon SUH
  • Publication number: 20240040642
    Abstract: According to a first aspect of the disclosure, methods are discussed in which a station (STA) sends a message to an access point, for example an associated access point, about a change in multi-AP coordination parameters. A STA, which may be a mobile STA, can be in a better position than the APs themselves, for detecting changes in conditions which can affect the effectiveness, or even the desirability of the multi-AP coordination. Accordingly the STA can send a message reporting detected conditions related to multi-AP coordination. In some embodiments, such a message can request for initializing multi-AP coordination, such a message can be in response to a triggering event detected by the STA. In response to such a triggering event, the STA can analyze the STA's service needs, and send the message about a change in multi-AP coordination parameters. A second aspect of the disclosure provides an AP-to-AP negotiation process for multi-AP coordination.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Applicants: HUAWEI TECHNOLOGIES CANADA CO., LTD., THE UNIVERSITY OF WESTERN ONTARIO
    Inventors: Wudan HAN, Xianbin WANG, Osama ABOUL-MAGD, Yan XIN, Jung Hoon SUH, Kwok Shum AU
  • Publication number: 20240039600
    Abstract: A computerized method performed by a first apparatus. The method has the steps of: normalizing real and imaginary parts of parameters of a channel between the first apparatus and a second apparatus to a first bit-size, and quantizing the normalized real and imaginary parts of the parameters to obtain channel state information (CSI) coefficients of a second bit-size for feeding back to the second apparatus.
    Type: Application
    Filed: April 14, 2023
    Publication date: February 1, 2024
    Inventors: JUNG HOON SUH, Osama ABOUL-MAGD, Yan XIN, Kwok Shum AU
  • Patent number: 11856605
    Abstract: A first wireless device communicates using a frequency bandwidth with multiple wireless devices, and is configured to concurrently transmit trigger frame messages for each of the multiple wireless devices within respective trigger frame frequency bands of the frequency bandwidth to trigger the multiple wireless devices to concurrently transmit respective data units to the first wireless devices within respective frequency segments of the frequency bandwidth.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: December 26, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Osama Aboul-Magd, Jung Hoon Suh, Yan Xin, Kwok Shum Au
  • Publication number: 20230370125
    Abstract: The application relates to link adaptation for extremely high throughput (EHT) systems. Various approaches are provided to enable transmission of link adaptation parameters for single-user multiple input multiple output (SU-MIMO), and multi-user multiple input multiple output MU-MIMO. In some embodiments, two control IDs in the A-control subfield are used, one for SU-MIMO and one for MU-MIMO. These can both be reserved control IDs, or a combination of a reserved control ID and control ID 2 normally used for HE link adaptation. In some embodiments, a single control ID in the A-control subfield is used. This can be a reserved control ID or control ID 2 normally used for HE link adaptation.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: YAN XIN, JUNG HOON SUH, OSAMA ABOUL-MAGD, KWOK SHUM AU
  • Patent number: 11792062
    Abstract: The disclosed systems and methods for wireless communication directed are towards (i) encoding data bits to be transmitted over a multiple resource unit (MRU) in a wireless local area network (WLAN), (ii) creating a group of the encoded data bits based on a predetermined criterion, (iii) parsing the encoded bits in the group based on a proportional ratio associated with the MRU, (iv) modulating the parsed encoded data bits to generate modulated encoded data symbols, (v) mapping the modulated encoded data symbols to data subcarriers to generate encoded data subcarriers, the data subcarriers being associated with respective resource units (RUs) of the MRU, (vi) duplicating the encoded data subcarriers within the respective RUs, (vii) shuffling the duplicate encoded data subcarriers across the respective RUs of the MRU, and (viii) transmitting the encoded data subcarriers, and the duplicate encoded data subcarriers over the MRU in the WLAN.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: October 17, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan Xin, Jung Hoon Suh, Osama S. Aboul-Magd, Kwok Shum Au, Mohamed Adel Salem
  • Publication number: 20230300657
    Abstract: There is provided a method and apparatus associated with a sensing measurement report frame format. A method includes receiving, by an access point (AP) or a station (STA), a request for at least one sensing measurement report. The method also includes transmitting, by the AP or the STA, a sensing measurement report frame that includes a category field, a public action field, and at least one measurement set-up identifier field and at least one sensing measurement report element. The sensing management report frame can include a category field, a public action field, a dialog token field, a measurement set-up identifier field, and a sensing measurement report element.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 21, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jung Hoon SUH, Osama ABOUL-MAGD, Yan XIN, Kwok Shum AU
  • Publication number: 20230300658
    Abstract: There are provided methods and apparatus related to setting up sensing measurement instances and to allocating resource units (RUs) between sensing responders in a sensing measurement instance. There is provided a channel state information (CSI) feedback (FB) support subfield can be provided in a sensing measurement parameters field, which may be used to allow a device to indicate whether it can compute CSI FB information and feedback. There is further provided, RU allocation re-use across multiple phases of a sensing phase which may enable later trigger frames to omit RU allocation information. There are further provided responder-to-initiator (R2I) null data packets (NDPs) which include information indicative of the device transmitting the packet in a signal (SIG) field of the NDP.
    Type: Application
    Filed: March 13, 2023
    Publication date: September 21, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jung Hoon SUH, Osama ABOUL-MAGD, Yan XIN, Kwok Shum AU
  • Publication number: 20230300649
    Abstract: The present disclosure provides for methods and systems for improved channel information gathering mechanism. An aspect of the disclosure provides a method. The method includes sending, to one or more stations (STAs), a request for channel information. The channel information being related to one or more channels between an access point (AP) and the one or more STAs. The method further includes receiving, from the one or more (STA), one or more physical layer (PHY) protocol data units (PPDUs). The PPDUs includes channel feature information (CFI) associated with the one or more channels. In some embodiments, the request includes a beamforming report poll (BFRP) trigger frame having a user information field. The user information subfield indicating one or more thresholds associated with one or more parameters of the channel feature information.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 21, 2023
    Applicants: HUAWEI TECHNOLOGIES CANADA CO., LTD., The University of Western Ontario
    Inventors: Jie MEI, Xianbin WANG, Yan XIN, Kwok Shum AU, Jung Hoon SUH, Osama ABOUL-MAGD
  • Patent number: 11764836
    Abstract: The application relates to link adaptation for extremely high throughput (EHT) systems. Various approaches are provided to enable transmission of link adaptation parameters for single-user multiple input multiple output (SU-MIMO), and multi-user multiple input multiple output MU-MIMO. In some embodiments, two control IDs in the A-control subfield are used, one for SU-MIMO and one for MU-MIMO. These can both be reserved control IDs, or a combination of a reserved control ID and control ID 2 normally used for HE link adaptation. In some embodiments, a single control ID in the A-control subfield is used. This can be a reserved control ID or control ID 2 normally used for HE link adaptation.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: September 19, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan Xin, Jung Hoon Suh, Osama Aboul-Magd, Kwok Shum Au
  • Publication number: 20230284266
    Abstract: A procedure and frame structure for Wi-Fi sensing is described. An aspect of the disclosure provides a method of sensing. Such the method includes sending, by an initiating station (STA) to a plurality of responder STAs, a sensing request comprising a sensing announcement frame indicating identifiers (ID) of the plurality of responder STAs. Such a method further includes receiving, by the initiating STA from the plurality of responder STAs, one or more responses based on the sensing request. In some embodiments, the announcement frame further indicates resource unit assignments for receiving acknowledgements from the plurality of responder STAs. In some embodiments, the method further includes receiving, by the initiating STA from the plurality of responder STAs, the acknowledgements indicating a willingness to participate in the sensing procedure.
    Type: Application
    Filed: February 17, 2023
    Publication date: September 7, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Osama ABOUL-MAGD, Yan XIN, Jung Hoon SUH, Kwok Shum AU
  • Patent number: 11743766
    Abstract: A method, apparatus and system for transmitting control information in a header of a physical protocol data unit (PPDU), such as an IEEE 802.11 compliant PPDU. Embodiments include indicating control features in an EDMG PPDU for Wireless LAN communications. The method and system may include overloading at least one bit of a Scrambler Initialization Field in the PPDU header (e.g. the PHY header) to convey control information, as well as to be used to initialize the scrambler shift register. The same header bits are thus used for both purposes. Examples of control information include a primary channel, channel width or MIMO configuration to be used in further communication.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: August 29, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan Xin, Sheng Sun, Osama Aboul-Magd, Kwok Shum Au, Jung Hoon Suh
  • Publication number: 20230269657
    Abstract: There is provided a method for providing a sensing initiator station with measurement feedback. The method includes broadcasting, by the sensing initiator station, a sensing announcement frame and broadcasting, by the sensing initiator station, a sensing sequence frame, the sensing sequence frame containing a reference sequence. The method further includes transmitting, by the sensing initiator station, a feedback request frame, the feedback request frame including station information indicating resources allocated for each participating station. The method further includes sending, by a responder station, a feedback frame to the sensing initiator, the feedback frame including an indicator corresponding to data contained in the feedback frame. There is also provided a device which includes a processor, and non-transitory computer readable memory having stored thereon machine readable instructions. The instructions, when executed by the processor configure the device to execute a method disclosed herein.
    Type: Application
    Filed: February 23, 2022
    Publication date: August 24, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Osama ABOUL-MAGD, Yan XIN, Jung Hoon SUH, Kwok Shum AU
  • Publication number: 20230261713
    Abstract: A method includes sending, by an access point (AP) to one or more stations (STAs), a request for channel state information (CSI). The request includes a null data packet announcement (NDPA) frame including a common information field. The common information field including an indicator of whether trigger based (TB) sounding or non-trigger based (non-TB) is being used. Then, the method includes receiving, by the AP from the one or more STAs, a CSI feedback response based on the request. The common information field may be a null data packet announcement (NDPA) variant field in an alternative name and the indicator may utilize 1 bit.
    Type: Application
    Filed: February 9, 2023
    Publication date: August 17, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jung Hoon SUH, Yan XIN, Osama ABOUL-MAGD, Kwok Shum AU
  • Publication number: 20230239119
    Abstract: The present disclosure provides for methods, systems and apparatus related to Variable High Throughput (HT) Control Field. An aspect of the disclosure provides for a method performed by a station (STA). The method includes sending, to a second STA, a message including a frame, the frame including a variable high throughput (HT) control field. The variable HT further includes a first subfield indicating an N number of control IDs, wherein N is equal to or more than one. The variable HT further includes N additional subfields. Each of the N additional subfield includes: a control identifier (ID) field and a control information field associated with the Control ID field. The method further includes receiving, from the second STA, a response.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 27, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jiyang BAI, Xianbin WANG, Jung Hoon SUH, Yan XIN, Osama ABOUL-MAGD, Kwok Shum AU
  • Patent number: 11678175
    Abstract: A method of changing a MAC address of a WLAN affiliated STA of a multi-link device (MLD) and related system, device and non-transitory machine-readable storage medium. A new MAC address is generated for an affiliated non-AP STA of a non-AP MLD. A request to change the MAC address of the affiliated non-AP STA to the new MAC address is sent from the non-AP MLD to an AP MLD. An acknowledgement that the new MAC address for the affiliated non-AP STA of the non-AP MLD has been successfully applied by the AP MLD is received by the non-AP MLD from the AP MLD. The MAC address for the affiliated non-AP STA of the non-AP MLD is changed to the new MAC address in response to the acknowledgment.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: June 13, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Stephen McCann, Michael Montemurro, Kwok Shum Au, Sheng Sun
  • Patent number: 11665629
    Abstract: Methods and apparatuses for supporting outside the context of a basic service set (OCB) concurrent with infrastructure-based communications, including cellular communications or basic service set (BSS) communications, are described. OCB service information is transmitted by an infrastructure unit in an infrastructure-based communication. The OCB service information include a service identifier and channel information for each available OCB service. The infrastructure unit may then communicate with a terminal unit over an OCB communication link, to provide an OCB service to the terminal unit. The OCB service information may be communicated in an OCB operation information element (IE) including a service hash field and an operating class and channel field.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 30, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Michael Montemurro, Stephen McCann, Osama Aboul-Magd, Kwok Shum Au, Jung Hoon Suh, Mohamed Adel Salem
  • Publication number: 20230121274
    Abstract: The application relates to link adaptation for extremely high throughput (EHT) systems. Various approaches are provided to enable transmission of link adaptation parameters for single-user multiple input multiple output (SU-MIMO), and multi-user multiple input multiple output MU-MIMO. In some embodiments, two control IDs in the A-control subfield are used, one for SU-MIMO and one for MU-MIMO. These can both be reserved control IDs, or a combination of a reserved control ID and control ID 2 normally used for HE link adaptation. In some embodiments, a single control ID in the A-control subfield is used. This can be a reserved control ID or control ID 2 normally used for HE link adaptation.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 20, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: YAN XIN, JUNG HOON SUH, OSAMA ABOUL-MAGD, KWOK SHUM AU
  • Patent number: 11632269
    Abstract: A method at a network node that is configured to simultaneously transmit and receive wireless RF signals, comprising: transmitting, from the network node, a downlink message, the downlink message having a preamble that includes channel estimation information for estimating a self-interference channel; monitoring at the network node, during an initial duration while transmitting the downlink message, for the channel estimation information, and estimating a self-interference channel based on received portions of the channel estimation information; and using the estimated self-interference channel to cancel self-interference while receiving an uplink message and simultaneously transmitting a remainder of the downlink message.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: April 18, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Osama Aboul-Magd, Jung Hoon Suh, Kwok Shum Au
  • Publication number: 20230098549
    Abstract: The present disclosure provides methods and apparatus related to NDPA frame indication. An aspect of the disclosure provides a method. The method includes sending, to one or more stations (STAs), a request for channel state information (CSI). The request includes a null data packet announcement (NDPA) frame including a first field and a second field. The first field indicates presence of the second field, and the second field indicates a variant of the NDPA frame. The method further includes receiving, from the one or more STAs, a CSI feedback response based on the request. In some embodiments, the first field is one of a sounding dialog token field and indicates the presence of the second field via at least two bits. In some embodiments, the first field is a frame control field and indicates the second field via a 4-bit subtype subfield.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Michael Peter MONTEMURRO, Jung Hoon SUH, Osama ABOUL-MAGD, Stephen MCCANN, Yan Xin, Kwok Shum Au