Patents by Inventor Xiaogang Chen

Xiaogang Chen 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: 20250070926
    Abstract: For example, a wireless communication device may be configured to generate a wide bandwidth Long Training Field (LTF) configured for channel sounding over a wide channel bandwidth of at least 320 Megahertz (MHz). For example, the wide bandwidth LTF may include a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols over the wide channel bandwidth. For example, the wireless communication device may be configured to transmit a Null Data Packet (NDP) over the wide channel bandwidth. For example, the NDP may include a non-High-Throughput (non-HT) Short Training Field (L-STF), a non-HIT LTF (L-LTF) after the L-STF, a non-HT Signal (L-SIG) field after the L-LTF, a Repeated L-SIG (RL-SIG) field after the L-SIG field, and the wide bandwidth LTF after the RL-SIG field.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 27, 2025
    Applicant: Intel Corporation
    Inventors: Qinghua Li, Xiaogang Chen, Po-Kai Huang, Yonathan Segev, Laurent Cariou, Cheng Chen
  • Publication number: 20250055641
    Abstract: This disclosure describes systems, methods, and devices related to extremely high throughput (EHT) trigger based (TB) preamble. A device may receive a trigger frame from an associated access point (AP), wherein the trigger frame comprises one or more resource unit (RU) bandwidths (BWs) allocated to the device. The device may generate an EHT physical layer protocol data unit (PPDU) based on receiving the trigger frame from the access point, wherein the PPDU comprises an EHT preamble that includes a signaling (U-SIG) field. The device may encode the U-SIG field with an indication of one or more resource unit (RU) bandwidth (BW) allocations to be used for sending the PPDU to the AP, wherein the indication is a value associated with a first option of one or more options of selectable RU BWs. The device may cause to send the PPDU to the AP and an uplink data transmission direction.
    Type: Application
    Filed: July 15, 2024
    Publication date: February 13, 2025
    Applicant: INTEL CORPORATION
    Inventors: Xiaogang CHEN, Qinghua LI, Thomas J. KENNEY
  • Patent number: 12225514
    Abstract: This disclosure describes systems, methods, and devices related to using enhanced high efficiency (HE) frames. A device may determine a high efficiency signal-B (HE-SIG-B) field for a high efficiency (HE) frame, the HE-SIG-B field comprising a common information field and a user information field. The device may determine a data portion of the HE frame, wherein the data portion includes one or more resource units (RUs) with a size equal to a number of tones. The device may determine a first resource allocation subfield and a second resource allocation subfield of the common information field based at least in part on the number of tones. The device may cause to send the HE frame.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: February 11, 2025
    Assignee: Intel Corporation
    Inventors: Xiaogang Chen, Feng Jiang, Qinghua Li, Robert Stacey
  • Publication number: 20250038438
    Abstract: A power connector includes an insulating body, a first power terminal, a second power terminal, a third power terminal and a fourth power terminal. The first power terminal includes a first elastic arm having a first contact surface. The second power terminal includes a second elastic arm having a second contact surface. The third power terminal includes a first deflecting portion and a third contact surface. The fourth power terminal includes a second deflecting portion and a fourth contact surface. The first contact surface and the third contact surface are disposed at intervals along a first direction to form double rows of contact points. The second contact surface and the fourth contact surface are disposed at intervals along the first direction to form double rows of contact points.
    Type: Application
    Filed: August 24, 2023
    Publication date: January 30, 2025
    Applicant: DONGGUAN LUXSHARE TECHNOLOGIES CO., LTD
    Inventors: Xiaogang YI, Kunlin YAO, Hongji CHEN
  • Patent number: 12213115
    Abstract: This disclosure describes systems, methods, and devices related to using enhanced high efficiency (HE) frames. A device may determine a high efficiency signal-B (HE-SIG-B) field for a high efficiency (HE) frame, the HE-SIG-B field comprising a common information field and a user information field. The device may determine a data portion of the HE frame, wherein the data portion includes one or more resource units (RUs) with a size equal to a number of tones. The device may determine a first resource allocation subfield and a second resource allocation subfield of the common information field based at least in part on the number of tones. The device may cause to send the HE frame.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: January 28, 2025
    Assignee: Intel Corporation
    Inventors: Xiaogang Chen, Feng Jiang, Qinghua Li, Robert Stacey
  • Publication number: 20240427730
    Abstract: A process management method and a related electronic device are provided. According to the method, process data in a volatile memory can be migrated to a non-volatile memory in real time in a running process of a system. When the system is asleep, data in a memory does not need to be packaged and backed up. When the system is woken up or restarted, data does not need to be parsed and reconstructed, to implement quick sleeping and waking up of the system. In addition, even if the system is restarted due to an unexpected power failure, a loss of key data in the memory can be avoided, and a speed of waking up or restarting the system can also be improved.
    Type: Application
    Filed: September 10, 2024
    Publication date: December 26, 2024
    Inventors: Xiaogang Chen, Wentao Tang, Shunfen Li, Xi Li, Junfeng Zhao, Xiaolong Shen
  • Patent number: 12177723
    Abstract: This disclosure describes systems, methods, and devices related to an extreme high throughput (EHT) signaling structure. A device may establish a communication channel with one or more station devices (STAs). The device may generate an extreme high throughput signal field (EHT-SIG) of a header, wherein the EHT-SIG field comprises information associated with resource allocations (RUs). The device may generate a frame comprising the header. The device may assign a first RU to a first station device. The device may assign a second RU to the first station device, wherein the first RU or the second RU is an aggregation of a 26-tome RU and a neighboring RU. The device may cause to send the frame to the first station device.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: December 24, 2024
    Assignee: Intel Corporation
    Inventors: Xiaogang Chen, Qinghua Li, Thomas J. Kenney, Feng Jiang, Laurent Cariou, Ziv Avital, Chen Kojokaro, Robert Stacey
  • Patent number: 12177892
    Abstract: An extremely high throughput (EHT) station (STA) configured for trigger based (TB) transmission may decode an trigger frame (TF) received from an access point (AP). The TF may include an assignment of resources comprising one or more 20 MHz channels. The EHT STA may determine which of the one or more assigned channels are available for transmission and which of the allocated channels are unavailable when the EHT STA is assigned more than one 20 MHz channel. The EHT STA may encode a EHT TB PPDU in response to the trigger frame. The EHT TB PPDU may be encoded to include an EHT preamble followed by a data field. The EHT preamble may be encoded to indicate channel availability. The EHT STA may generate signalling to cause the EHT STA to transmit the encoded EHT TB PPDU only on the assigned channels that have been determined to be available.
    Type: Grant
    Filed: August 30, 2023
    Date of Patent: December 24, 2024
    Assignee: Intel Corporation
    Inventors: Xiaogang Chen, Qinghua Li, Feng Jiang, Ziv Avital, Po-Kai Huang
  • Patent number: 12166647
    Abstract: A first device selects a first transmission manner to send data to a second device. If it is determined that both the second device and the first device support a second transmission manner, the first transmission manner is switched to the second transmission manner, and the data is sent to the second device in the second transmission manner.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: December 10, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Xiaogang Chen
  • Patent number: 12166698
    Abstract: This disclosure describes systems, methods, and devices related to enhanced bandwidth selection for wireless devices. A device may generate a request frame with at least one of a first indication of a bandwidth for which a second device is to measure a first noise level or a second indication of a resource unit for which the second device is to measure a second noise level. The device may send the request frame to the second device. The device may identify a response frame received from the second device, the response frame having a third indication of the first noise level or the second noise level and a fourth indication of the bandwidth or the resource unit. The device may determine, based on the first noise level or the second noise level, a parameter associated with a subsequent frame to send to the second device.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: December 10, 2024
    Assignee: Intel Corporation
    Inventors: Laurent Cariou, Nir Balaban, Daniel Bravo, Dor Chay, Xiaogang Chen, Feng Jiang, Thomas J. Kenney, Qinghua Li, Ehud Reshef
  • Publication number: 20240389023
    Abstract: According to one aspect of the present disclosure, a method of wireless communication of a first node is provided. The method may include generating, by at least one processor, a first low-power listening (LPL) frame with a first LPL subfield set to “enable.” The method may include transmitting, by a communication interface, the first LPL frame with the first LPL subfield set to “enable” to a second node. The method may include enabling, by the at least one processor, an LPL mode after the first LPL frame with the first LPL subfield set to “enable” is transmitted to the second node.
    Type: Application
    Filed: April 18, 2023
    Publication date: November 21, 2024
    Inventors: Xiaogang CHEN, Wei WEN, Bo LU, Bo WANG
  • Publication number: 20240383874
    Abstract: Disclosed are a compound as represented by general formula (I) or a stereoisomer, deuterated compound, solvate, prodrug, metabolite, pharmaceutically acceptable salt or co-crystal thereof, and an intermediate thereof, and the use thereof in AR or AR splicing mutant-related diseases such as cancer.
    Type: Application
    Filed: November 24, 2021
    Publication date: November 21, 2024
    Inventors: Chen Zhang, Yuting Liao, Fei Ye, Pingming Tang, Xiaogang Chen, Yonghua Lu, Qiu Gao, Yao Li, Jia Ni, Pangke Yan
  • Patent number: 12132676
    Abstract: This disclosure describes systems, methods, and devices related to adaptation of secure sounding signal. A device may determine a negotiated bandwidth to be used when communicating with a first station device. The device may determine a first bit stream used to generate a cyclic shift diversity (CSD) value based on the negotiated bandwidth, wherein a first number of bits is used for the first bit stream when a first negotiated bandwidth is used, and wherein a second number of bits is used for the first bit stream when a second negotiated bandwidth is used. The device may determine a second bit stream used to generate a random phase. The device may determine a secure a long training field (LTF) based on a combination of the first bit stream and the second bit stream. The device may cause to send a frame to the first station device, wherein the frame comprises the secure LTF.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: October 29, 2024
    Assignee: Intel Corporation
    Inventors: Feng Jiang, Qinghua Li, Xiaogang Chen, Dibakar Das, Assaf Gurevitz, Jonathan Segev, Robert Stacey, Shlomi Vituri, Tzahi Weisman
  • Patent number: 12126475
    Abstract: An apparatus of a station (STA) includes memory and processing circuitry coupled to the memory. The processing circuitry is configured to encode a capabilities element for transmission to an access point (AP). The capabilities element including a media access control (MAC) capabilities information field indicating a trigger frame MAC padding duration. The processing circuitry decodes an extremely high throughput (EHT) protocol data unit (PPDU) received in response to the capabilities element. The EHT PPDU includes an EHT trigger frame (EHT-TF) in a data portion of the EHT PPDU, a packet extension (PE) field, and a dummy orthogonal frequency division multiplexing (OFDM) symbol extending the PE field. The processing circuitry performs physical layer (PHY) and MAC processing of the EHT PPDU based on a duration of the dummy OFDM symbol.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: October 22, 2024
    Assignee: Intel Corporation
    Inventors: Xiaogang Chen, Qinghua Li, Thomas J. Kenney, Danny Alexander
  • Publication number: 20240297811
    Abstract: This disclosure describes systems, methods, and devices related to distributed resource unit (dRU) pilot tones. A device may determine a plurality of pilot tones across a first frequency resource. The device may adjust the plurality of pilot tones with a first pilot offset adjustment parameter. The device may cause to send a frame to a first station device using the adjusted plurality of pilot tones.
    Type: Application
    Filed: July 11, 2022
    Publication date: September 5, 2024
    Applicant: INTEL CORPORATION
    Inventors: Xiaogang CHEN, Thomas KENNEY, Qinghua LI, Hao SONG
  • Patent number: 12074819
    Abstract: This disclosure describes systems, methods, and devices related to enhanced sounding for secure mode wireless communications. A device may generate a channel sounding symbol comprising a first subcarrier and a second subcarrier, wherein a first amplitude of the first subcarrier is different than a second amplitude of the second subcarrier. The device may generate a channel sounding signal comprising the channel sounding symbol. The device may send the channel sounding signal to a second device.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: August 27, 2024
    Assignee: Intel Corporation
    Inventors: Qinghua Li, Xiaogang Chen, Assaf Gurevitz, Feng Jiang, Jonathan Segev, Gadi Shor
  • Patent number: 12052080
    Abstract: This disclosure describes systems, methods, and devices related to secure sounding signal. A device may generate two or more sounding signals to be sent using two or more antennas to a receiving device across a plurality of symbol intervals. The device may apply a first masking signal to a first sounding signal of the two or more sounding signals over a first symbol interval of the plurality of the symbol intervals. The device may apply a second masking signal to a second sounding signal over a second symbol interval of the plurality of the symbol intervals. The device may cause to send the two or more sounding signals to receiving device using the two or more antennas.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: July 30, 2024
    Assignee: Intel Corporation
    Inventors: Qinghua Li, Xiaogang Chen, Assaf Gurevitz, Feng Jiang, Xintian Lin, Jonathan Segev, Gadi Shor, Robert Stacey
  • Publication number: 20240251394
    Abstract: This disclosure describes systems, methods, and devices related to extremely high throughput (EHT) resource unit (RU) allocation. A device may utilize a tone plan to generate an EHT frame to be sent using an 80 MHz frequency band, wherein the tone plan comprises a plurality of null tones. The device may encode one or more resource units (RUs) for the EHT frame, wherein the one or more RUs comprise at least one of a 26-tone RU, a 52-tone RU, a 106-tone RU, a 242-tone RU, a 484-tone RU, or a 996-tone RU, wherein the 106-tone RU, the 242-tone RU, and the 484-tone RU comprise null tones located at least at subcarriers ±258, ±257, ±256, ±255, and ±254. The device may cause to send the EHT frame to a first station device using the 80 MHz frequency band.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 25, 2024
    Applicant: Intel Corporation
    Inventors: Xiaogang Chen, Qinghua Li, Thomas J. Kenney
  • Patent number: 12041008
    Abstract: This disclosure describes systems, methods, and devices related to extremely high throughput (EHT) trigger based (TB) preamble. A device may receive a trigger frame from an associated access point (AP), wherein the trigger frame comprises one or more resource unit (RU) bandwidths (BWs) allocated to the device. The device may generate an EHT physical layer protocol data unit (PPDU) based on receiving the trigger frame from the access point, wherein the PPDU comprises an EHT preamble that includes a signaling (U-SIG) field. The device may encode the U-SIG field with an indication of one or more resource unit (RU) bandwidth (BW) allocations to be used for sending the PPDU to the AP, wherein the indication is a value associated with a first option of one or more options of selectable RU BWs. The device may cause to send the PPDU to the AP and an uplink data transmission direction.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: July 16, 2024
    Assignee: INTEL CORPORATION
    Inventors: Xiaogang Chen, Qinghua Li, Thomas J. Kenney
  • Publication number: 20240237054
    Abstract: An extremely high throughput (EHT) station (STA) configured for trigger based (TB) transmission may decode an trigger frame (TF) received from an access point (AP). The TF may include an assignment of resources comprising one or more 20 MHz channels. The EHT STA may determine which of the one or more assigned channels are available for transmission and which of the allocated channels are unavailable when the EHT STA is assigned more than one 20 MHz channel. The EHT STA may encode a EHT TB PPDU in response to the trigger frame. The EHT TB PPDU may be encoded to include an EHT preamble followed by a data field. The EHT preamble may be encoded to indicate channel availability. The EHT STA may generate signalling to cause the EHT STA to transmit the encoded EHT TB PPDU only on the assigned channels that have been determined to be available.
    Type: Application
    Filed: August 30, 2023
    Publication date: July 11, 2024
    Inventors: Xiaogang Chen, Qinghua Li, Feng Jiang, Ziv Avital, Po-Kai Huang