Patents by Inventor Xiaofei Wang

Xiaofei Wang 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: 20240147274
    Abstract: Device, systems, and/or techniques for using sub-channel signaling information between an access point and a first station are disclosed. In one aspect, a method performed by a station (STA) includes: receiving, from a neighboring STA in an overlapping basic service set (OBSS), a physical (PHY) layer preamble that includes a signal field indicating a plurality of sub-bands and associated power thresholds for Uplink Orthogonal Frequency-Divisional Multiple Access (UL OFDMA) transmission, that are available for OBSS spatial reuse (SR) by the STA; and sending, to an AP with which the STA is associated, an UL OFDMA transmission using a sub-band of the plurality of sub-bands and an associated power threshold indicated in the signal field. Additional embodiments are disclosed.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Oghenekome Oteri, Hanqing Lou, Nirav B. Shah, Xiaofei Wang, Rui Yang, Guodong Zhang, Frank La Sita, Robert L. Olessen
  • Patent number: 11969846
    Abstract: The present invention proposes an in-situ freezing machining method for an integrated thin-walled array structure. In the method, the area among cups is cut off first; then, the outer walls of a cup array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cup array is carried out. Then, hoisting and turning over are carried out, and the area among cavities is cut off; then, the outer walls of a cavity array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cavity array is carried out. The method realizes in-situ freezing clamping of workpieces, avoids error accumulation caused by repeated installation of a fixture, and can refrigerate efficiently, suppress ambient and cutting thermal interference, and ensure the stability of freezing fixture.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 30, 2024
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Haibo Liu, Chengxin Wang, Yongqing Wang, Xu Li, Kuo Liu, Xiaofei Ma, Dongming Guo
  • Publication number: 20240124825
    Abstract: An immobilized enzymolysis equipment for reconstituted rice milk powder includes a bottom box, a heating device is arranged on an upper surface of the bottom box, and a splash-proof device is arranged on an upper surface of the heating device. Support legs are fixedly connected to corners of a lower surface of the bottom box. A rotating motor is arranged on a bottom surface of an inner cavity of the bottom box. The rotating motor is provided to achieve the effect of rotating a centrifugal device. The centrifugal device is rotationally connected to one side, extending to the upper surface of the bottom box, of the rotating motor, so as to achieve water-milk separation of reconstituted milk powder.
    Type: Application
    Filed: July 24, 2023
    Publication date: April 18, 2024
    Applicant: Harbin University Of Commerce
    Inventors: Na ZHANG, Yang YANG, Xin BIAN, Chunmin MA, Xiaofei LIU, Bing WANG, Yinyuan HE
  • Publication number: 20240127186
    Abstract: An interaction method and apparatus and an electronic device. The method comprises: displaying a first application interface, wherein the first application interface comprises an interface of a first application; and creating a second application account in the first application interface, wherein the second application account is used for logging in a second application. Therefore, a new interaction mode is provided.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Xiaoping ZHANG, Yunsheng HAO, Jialu WANG, Yi WEI, Pengzhan XU, Guichao REN, Boyu ZHOU, Zitian GUO, Yuxiang LI, Jieli LIANG, Xiaofei GAO, Daozhi LIN, Hong ZOU, Wentao LIU, Zheng CHEN, Shanshan LING
  • Publication number: 20240129965
    Abstract: A method performed by a STA may comprise receiving a frame, from a first AP including an indication of a configuration change counter (CCC) associated with a second AP. The CCC may be an unsigned integer that increments when an update to one or more AP parameters of the second AP has occurred. The method may further comprise establishing a first wireless link with the first AP and establishing a master key via at least the first wireless link.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 18, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Lei Wang, Yousif Targali, Sudheer A. Grandhi, Xiaofei Wang, Guodong Zhang
  • Publication number: 20240120972
    Abstract: Methods and apparatuses for multiple input-multiple output (MIMO) channel access are provided herein. A method performed by a station (STA) may include receiving, from an initiating STA, a frame including information indicating a broadcast address and a control trailer. The control trailer may include information indicating that a multi-user multiple input-multiple output (MU-MIMO) frame is to be received from the initiating STA, and information indicative of a plurality of STAs, the plurality of STAs including the STA. The method may include transmitting a response frame to the indicated broadcast address based on the received frame and receiving the MU-MIMO frame from the initiating STA.
    Type: Application
    Filed: December 12, 2023
    Publication date: April 11, 2024
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Frank La Sita, Hanqing Lou, Oghenekome Oteri, Alphan Sahin, Li Hsiang Sun, Xiaofei Wang, Rui Yang
  • Publication number: 20240121071
    Abstract: Methods and apparatuses are described herein for multiple access schemes for Wireless Local Area Network (WLAN) with full-duplex radios. For example, an access point (AP), in response to receiving a request to send (RTS) from a first station (STA), may transmit a full-duplex clear to send (FD CTS) to the first STA and a full-duplex request to send (FD RTS) to a second STA. In response to transmitting the FD RTS to the second STA, the AP may receive a clear to send (CTS) from the second STA. The AP may transmit, to both the first STA and the second STA, a FD trigger frame that includes scheduling information to enables FD communication with the first STA for uplink (UL) data and the second STA for downlink (DL) data at a same time. The scheduling information may include timing information and channel information for the FD communication.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 11, 2024
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Oghenekome Oteri, Hanqing Lou, Li Hsiang Sun, Alphan Sahin, Robert L. Olesen, Xiaofei Wang, Rui Yang
  • Publication number: 20240120970
    Abstract: Systems, methods, and devices for beamforming (BF) training are disclosed. In some examples, a receiver is configured to receive sector sweep (SSW) training frames from an initiator device that each indicate an antenna sector of the initiator device. A transmitter is configured to transmit sector sweep (SSW) training frames to the initiator device that indicate a best received antenna sector of the initiator device. The receiver receives a sector sweep feedback (SSW FB) frame from the initiator device, and the transmitter transmits transmit a sector sweep acknowledgement (SSW ACK) frame to the initiator device that indicates an antenna sector of the initiator device that is different from the antenna sector indicated by the SSW FB frame, if the SSW FB frame was best received by an antenna not corresponding to the best received antenna sector of the initiator device.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Hanqing Lou, Li Hsiang Sun, Oghenekome Oteri, Xiaofei Wang, Rui Yang
  • Publication number: 20240121660
    Abstract: A method for receiving a backoff value at a wireless station is presented. A traffic indication map is received at the station, wherein a backoff number is implicitly assigned to the station based on a position of the station within the traffic indication map. The backoff value is determined by multiplying the backoff number by a predetermined time value.
    Type: Application
    Filed: December 12, 2023
    Publication date: April 11, 2024
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Xiaofei Wang, Lei Wang, Sudheer A. Grandhi, Guodong Zhang
  • Patent number: 11949477
    Abstract: Systems, methods, and instrumentalities are disclosed for adaptation of multiple input multiple output (MIMO) mode in mmW Wireless Local Area Network (WLAN) systems. A first station (STA) may receive a mode change request from a second STA. The mode change request may indicate a mode change for a MIMO mode, a polarization mode, and/or an orthogonal frequency-division multiple access (OFDMA) mode. The mode change request may include one or more STA fields. The one or more STA fields may include a STA field associated with the first STA. Each of the one or more STA fields may include a MIMO mode subfield, a polarization mode subfield, and/or an OFDMA mode subfield. The first STA may change the MIMO mode, the polarization mode, and/or the OFDMA mode, for example, based on the mode change request. The first STA may send a mode change response to the second STA.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: April 2, 2024
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Oghenekome Oteri, Hanqing Lou, Xiaofei Wang, Li-Hsiang Sun, Alphan Sahin, Rui Yang
  • Publication number: 20240106585
    Abstract: A wireless station (STA) for parameterized spatial reuse (PSR) operation. The STA may receive, from a first access point (AP) that the STA is not associated with, a trigger frame. The trigger frame includes a signal (SIG) field that includes a PSR field. The PSR field includes a plurality of subfields each corresponding to a respective subchannel associated with the trigger frame. This information includes transmission power level information. The STA may then determine, for each subchannel, using the transmission power level information, transmission power upper bounds for each of the subchannels.
    Type: Application
    Filed: November 24, 2021
    Publication date: March 28, 2024
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Hanqing Lou, Zinan Lin, Xiaofei Wang, Rui Yang, Li Hsiang Sun
  • Publication number: 20240107537
    Abstract: A method of multi-access point (multi-AP) communication performed by a wireless transmit/receive unit (WTRU) comprises: receiving a first trigger frame from a first access point (AP) of a plurality of APs, the first trigger frame comprising first information; receiving a second trigger frame from a second AP of the plurality of APs at a predetermined time duration after receiving the first trigger frame, the second trigger frame also comprising the first information of the first trigger frame; generating a synchronization frame based on the first trigger frame and the second trigger frame, the synchronization frame comprising synchronization information; transmitting the synchronization frame to at least the first AP and the second AP; and receiving a data transmission based on the synchronization information from each of the first AP and the second AP.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Oghenekome Oteri, Hanqing Lou, Li-Hsiang Sun, Xiaofei Wang, Alphan Sahin, Rui Yang, Frank LaSita
  • Publication number: 20240106893
    Abstract: A filecoin cluster data transmission method and system based on RDMA, including: providing a RDMA interface; receiving and encapsulating sector data by a first node, invoking the RDMA interface to transmit the sector data, serially transmitting the sector data to a next encapsulation node; when receiving the sector data from a previous node, invoking the RDMA interface to directly transmit the sector data to a user mode memory of the node for encapsulation; invoking the RDMA interface to serially transmit the sector data back to the HCA card, and transmitting the sector data to a next node; receiving, by a last node, the sector data, invoking the RDMA interface to directly transmit the sector data to the user mode memory of the last node; invoking the RDMA interface to serially transmit the sector data back to the HCA card of the last node, and transmitting the sector data to distributed storage.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 28, 2024
    Inventors: Xiaofei WANG, Jian WEI
  • Patent number: 11943039
    Abstract: A method performed by STA may comprise receiving, from a first AP, a first beacon frame comprising a first relay information element including a first field that indicates whether a root AP BSSID field is included in the first relay information element, determining that a first root AP BSSID field is included in the first relay information element and determining that the first AP is a relay AP of a root AP identified by the first root AP BSSID field. The method may further comprise receiving, from a second AP, a second beacon frame comprising a second relay information element including a second field that indicates whether a root AP BSSID is included in the second relay information element and determining that a root AP BSSID field is not included in the second information element and determining that the second AP is a root AP.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: March 26, 2024
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Guodong Zhang, Xiaofei Wang, Hanqing Lou, Sudheer A. Grandhi
  • Patent number: 11937285
    Abstract: Methods and apparatus for interference discovery for simultaneous transmission and reception are provided. In an embodiment, a station (STA) receives a STR request message from an access point (AP). The STA transmits a first STR response message to the AP based on the received STR request message. The STA receives a second STR response message transmitted from a second STA to the AP. The STA determines a received power of the received second STR response message. The STA receives a first trigger message from the AP. The first trigger message indicates a STA role field. The STA transmits interference information to the AP. The interference information is based on the determined received power. The STA role field comprises an indication of at least one or more of a primary STA and a secondary STA. The STA aggregates the interference report with a data transmission to the AP in response to the first trigger message.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 19, 2024
    Assignee: Interdigital Patent Holdings, Inc.
    Inventors: Hanqing Lou, Alphan Sahin, Oghenekome Oteri, Li-Hsiang Sun, Xiaofei Wang, Rui Yang
  • Patent number: 11935542
    Abstract: A hypothesis stitcher for speech recognition of long-form audio provides superior performance, such as higher accuracy and reduced computational cost. An example disclosed operation includes: segmenting the audio stream into a plurality of audio segments; identifying a plurality of speakers within each of the plurality of audio segments; performing automatic speech recognition (ASR) on each of the plurality of audio segments to generate a plurality of short-segment hypotheses; merging at least a portion of the short-segment hypotheses into a first merged hypothesis set; inserting stitching symbols into the first merged hypothesis set, the stitching symbols including a window change (WC) symbol; and consolidating, with a network-based hypothesis stitcher, the first merged hypothesis set into a first consolidated hypothesis.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: March 19, 2024
    Assignee: Microsoft Technology Licensing, LLC.
    Inventors: Naoyuki Kanda, Xuankai Chang, Yashesh Gaur, Xiaofei Wang, Zhong Meng, Takuya Yoshioka
  • Patent number: 11934851
    Abstract: Calls run through a virtual desktop infrastructure server are enhanced by testing communication network conditions and selecting, based on the test results, a media channel from a set of supported media channels, including a media channel that is routed through the virtual desktop infrastructure server and encapsulated in a protocol for exchanging data for virtual desktop applications and a more direct media channel that uses a network socket pair between a media server and a personal computing device and bypasses the virtual desktop infrastructure server. In some implementations, call data of multiple types and/or from multiple sources are merged into a single virtual channel of the protocol for exchanging data for virtual desktop applications.
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: March 19, 2024
    Assignee: Zoom Video Communications, Inc.
    Inventors: Xingzhi Luo, Xiaofei Wang, Haibing Xu, Daoquan Ye
  • Publication number: 20240089866
    Abstract: Methods and apparatuses are described herein for adapting clear channel assessment (CCA) thresholds with or without Transmit Power Control (TPC) are disclosed. An IEEE 802.11 station (STA) may dynamically calculate a STA specific transmit power control (TPC) value and a STA specific clear channel assessment (CCA) value based on a target TPC parameter and a target CCA parameter. The target TPC parameter and the target CCA parameter may be received from an IEEE 802.11 cluster head configured to control TPC and CCA for a plurality of STAs associated with the BSS. The target TPC parameter and the target CCA parameter also may be related. The STA may then determine whether a carrier sense multiple access (CSMA) wireless medium of a wireless local area network (WLAN) basic service set (BSS) is occupied or idle based on the STA specific CCA value.
    Type: Application
    Filed: April 27, 2023
    Publication date: March 14, 2024
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Oghenekome Oteri, Pengfei Xia, Xiaofei Wang, Hanqing Lou, Monisha Ghosh, Robert Olesen, Nirav B Shah, Frank LaSita
  • Patent number: 11927000
    Abstract: The present disclosure discloses a structure for rapidly picking and placing a hand shower comprising a fixed portion, a shower body, and a trigger element. The fixed portion is movably disposed with a locking member, and the shower body is disposed with a locking matching portion. When the locking matching portion is locked to and matched with the locking member, the shower body is fixed relative to the fixed portion. The trigger element is movably disposed on the shower body. When the shower body is fixed relative to the fixed portion, the trigger element contacts the locking member, and movement of the trigger element is configured to drive the locking member to move to enable the locking member to be separated from the locking matching portion and to enable the shower body to be rapidly separated from the fixed portion.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: March 12, 2024
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Xuedong Wang, Jinyong Chen, Xiaofei Guo, Chuanbao Zhu
  • Publication number: 20240075568
    Abstract: The present invention proposes an in-situ freezing machining method for an integrated thin-walled array structure. In the method, the area among cups is cut off first; then, the outer walls of a cup array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cup array is carried out. Then, hoisting and turning over are carried out, and the area among cavities is cut off; then, the outer walls of a cavity array are machined; and finally, water filling and freezing are carried out, and in-situ freezing machining of the inner walls of the cavity array is carried out. The method realizes in-situ freezing clamping of workpieces, avoids error accumulation caused by repeated installation of a fixture, and can refrigerate efficiently, suppress ambient and cutting thermal interference, and ensure the stability of freezing fixture.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 7, 2024
    Inventors: Haibo LIU, Chengxin WANG, Yongqing WANG, Xu LI, Kuo LIU, Xiaofei MA, Dongming GUO