Patents by Inventor Khuong N. Nguyen

Khuong N. Nguyen 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).

  • Patent number: 11892550
    Abstract: A method includes obtaining signal information based on wireless signals received from an external electronic device via a first antenna pair and a second antenna pair. The first and second antenna pairs are aligned along different axes. The signal information includes channel information, range information, a first angle of arrival (AoA) based on the first antenna pair, and a second AoA based on the second antenna pair. The method also includes generating an initial prediction of a presence of the external electronic device relative to a field of view (FoV) of the electronic device. The method further includes performing a smoothing operation on the range information and the first and second AoA, the smoothing operation generating a predicted location of the external electronic device relative to the FoV of the electronic device. Additionally, the method includes generating, based on the smoothing operation, confidence values associated with the predicted location.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: February 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Neha Dawar, Hoang Viet Nguyen, Khuong N. Nguyen, Songwei Li, Yuming Zhu, Boon Loong Ng, Yi Yang, Moonseok Kang, Jiho Shin, HyunChul Kim
  • Patent number: 11841447
    Abstract: A method includes obtaining signal information based on wireless signals received from a target electronic device via a first antenna pair and a second antenna pair. The first and second antenna pairs are aligned along different axes. The signal information includes channel information, range information, a first angle of arrival (AoA) based on the first antenna pair, and a second AoA based on the second antenna pair. The method also includes obtaining tagging information that identifies an environment in which the electronic device is located. The method also includes generating encoded information from a memory module based on the tagging information. The method further includes initializing a field of view (FoV) classifier based on the encoded information. Additionally, the method includes determining whether the target electronic device is in a FoV of the electronic device based on the FoV classifier operating on the signal information.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: December 12, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Khuong N. Nguyen, Yuming Zhu, Neha Dawar
  • Publication number: 20230333660
    Abstract: A method for end-to-end dynamic gesture recognition using mmWave radar is provided. The method includes triggering an electronic device to activate a gesture recognition mode in response to detecting that a condition for activating the gesture recognition mode is satisfied. The method includes obtaining radar data while the gesture recognition mode is activated, wherein the radar data includes time-velocity data (TVD). The method includes detecting a start and an end of a gesture based on the TVD of the obtained radar data. To classify the gesture, the method includes determining a gesture, from among a set of gesture, that corresponds to a portion of the TVD between the start and the end of the gesture. The method includes outputting an event indicator indicating that a user of the electronic device performed the gesture classified.
    Type: Application
    Filed: December 7, 2022
    Publication date: October 19, 2023
    Inventors: Anum Ali, Priyabrata Parida, Vutha Va, Boon Loong Ng, Khuong N. Nguyen
  • Publication number: 20230232324
    Abstract: Methods and apparatuses for detecting conditions associated with a target wake time (TWT) parameter adjustment. A communication device comprises a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to receive information including packets associated with a TWT. The processor is configured to determine a network service type based on the packets, and when the determined network service type is a real-time service type: determine whether a condition associated with the TWT is satisfied, and modify the TWT based on the condition.
    Type: Application
    Filed: December 28, 2022
    Publication date: July 20, 2023
    Inventors: Guanbo Chen, Abhishek Sehgal, Hao Chen, Khuong N. Nguyen
  • Publication number: 20230216760
    Abstract: A method includes obtaining input features based on network traffic received during a time window. The method also includes generating multiple network service type predictions about the network traffic during the time window using a machine learning (ML) classification system operating on the input features. The method also includes storing the multiple network service type predictions in different time steps in a first-in first-out (FIFO) buffer and generating decisions about a presence of each of multiple service types in the network traffic using a voting algorithm. The method also includes reducing fluctuations in the generated decisions using a logic-based stabilizer module to generate a final network service type decision.
    Type: Application
    Filed: October 17, 2022
    Publication date: July 6, 2023
    Inventors: Khuong N. Nguyen, Guanbo Chen, Hao Chen, Abhishek Sehgal, Rebal Al Jurdi
  • Patent number: 11567580
    Abstract: An electronic device for gesture recognition, includes a processor operably connected to a transceiver. The transceiver is configured to transmit and receive signals for measuring range and speed. The processor is configured to transmit the signals, via the transceiver. in response to a determination that a triggering event occurred, the processor is configured to track movement of an object relative to the electronic device within a region of interest based on reflections of the signals received by the transceiver to identify range measurements and speed measurements associated with the object. The processor is also configured to identify features from the reflected signals, based on at least one of the range measurements and the speed measurements. The processor is further configured to identify a gesture based in part on the features from the reflected signals. Additionally, the processor is configured to perform an action indicated by the gesture.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Khuong N. Nguyen, Wenxun Qiu, Vutha Va, Boon Loong Ng
  • Patent number: 11550031
    Abstract: An electronic device, a method, and computer readable medium are disclosed. The method includes transmitting radar signals via a radar transceiver. The method also includes identifying signals of interest that represent biometric information of a user based on reflections of the radar signals received by the radar transceiver. The method further includes generating an input based on the signals of interest that include the biometric information. The method additionally includes extracting a feature vector based on the input. The method also includes authenticating the user based on comparison of the feature vector to a threshold of similarity with preregistered user data.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: January 10, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Khuong N. Nguyen, Wenxun Qiu, Boon Loong Ng, Vutha Va, Abhishek Sehgal
  • Publication number: 20220417856
    Abstract: A method includes determining one or more active slots and inactive slots in an ultra-wide band (UWB) ranging round. The method also includes determining multiple UWB silent periods in the ranging round based on an arrangement of the inactive slots. The method also includes determining a sleep-wake-up schedule that aligns with at least one selected silent period of the multiple UWB silent periods in the ranging round, the sleep-wake-up schedule to be used for Wi-Fi communication. The method also includes waking up a Wi-Fi station (STA) for the Wi-Fi communication during the at least one selected silent period, then going back to sleep according to the sleep-wake-up schedule.
    Type: Application
    Filed: June 14, 2022
    Publication date: December 29, 2022
    Inventors: Rebal Al Jurdi, Hao Chen, Khuong N. Nguyen, Abhishek Sehgal, Boon Loong Ng
  • Publication number: 20220404914
    Abstract: An electronic device and a method for gesture recognition are disclosed. The electronic device includes a radar transceiver and a processor operably connected to the radar transceiver. The processor is configured to detect a triggering event. In response to detecting the triggering event, the processor is configured to transmit, via the radar transceiver, radar signals. The processor is also configured to identify a gesture from reflections of the radar signals received by the radar transceiver. The processor is further configured to determine whether the gesture is associated with the triggering event. Based on determining that the gesture is associated with the triggering event, the processor is configured to perform an action indicated by the gesture.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 22, 2022
    Inventors: Wenxun Qiu, Boon Loong Ng, Han Wang, Khuong N. Nguyen
  • Publication number: 20220377664
    Abstract: A method includes obtaining network traffic information based on network traffic received during a time window. The method also includes determining a network service type using a machine learning classification system operating on the network traffic information. The method also includes determining a latency requirement based on the network service type. The method also includes adjusting one or more Target Wakeup Time (TWT) intervals and a wake duration based on the latency requirement to optimize power consumption of a Wi-Fi station.
    Type: Application
    Filed: March 25, 2022
    Publication date: November 24, 2022
    Inventors: Khuong N. Nguyen, Wenxun Qiu, Guanbo Chen, Peshal Nayak
  • Patent number: 11442550
    Abstract: An electronic device and a method for gesture recognition are disclosed. The electronic device includes a radar transceiver and a processor operably connected to the radar transceiver. The processor is configured to detect a triggering event. In response to detecting the triggering event, the processor is configured to transmit, via the radar transceiver, radar signals. The processor is also configured to identify a gesture from reflections of the radar signals received by the radar transceiver. The processor is further configured to determine whether the gesture is associated with the triggering event. Based on determining that the gesture is associated with the triggering event, the processor is configured to perform an action indicated by the gesture.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: September 13, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wenxun Qiu, Boon Loong Ng, Han Wang, Khuong N. Nguyen
  • Publication number: 20220214418
    Abstract: A method includes obtaining signal information based on wireless signals received from a target electronic device via a first antenna pair and a second antenna pair. The first and second antenna pairs are aligned along different axes. The signal information includes channel information, range information, a first angle of arrival (AoA) based on the first antenna pair, and a second AoA based on the second antenna pair. The method also includes obtaining tagging information that identifies an environment in which the electronic device is located. The method also includes generating encoded information from a memory module based on the tagging information. The method further includes initializing a field of view (FoV) classifier based on the encoded information. Additionally, the method includes determining whether the target electronic device is in a FoV of the electronic device based on the FoV classifier operating on the signal information.
    Type: Application
    Filed: December 22, 2021
    Publication date: July 7, 2022
    Inventors: Khuong N. Nguyen, Yuming Zhu, Neha Dawar
  • Publication number: 20220196782
    Abstract: A method includes obtaining signal information based on wireless signals received from an external electronic device via a first antenna pair and a second antenna pair. The first and second antenna pairs are aligned along different axes. The signal information includes channel information, range information, a first angle of arrival (AoA) based on the first antenna pair, and a second AoA based on the second antenna pair. The method also includes generating an initial prediction of a presence of the external electronic device relative to a field of view (FoV) of the electronic device. The method further includes performing a smoothing operation on the range information and the first and second AoA, the smoothing operation generating a predicted location of the external electronic device relative to the FoV of the electronic device. Additionally, the method includes generating, based on the smoothing operation, confidence values associated with the predicted location.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 23, 2022
    Inventors: Neha Dawar, Hoang Viet Nguyen, Khuong N. Nguyen, Songwei Li, Yuming Zhu, Boon Loong Ng, Yi Yang, Moonseok Kang, Jiho Shin, HyunChul Kim
  • Patent number: 11342977
    Abstract: A method for beam management by a user equipment (UE) in a wireless communication system. The method includes determining reference signal measurements from signals received from one or more base stations. The method also includes obtaining, from a motion sensor, motion information of the UE. The method further includes generating beam management information for the beam management based on the reference signal measurements and the motion information. The method additionally includes identifying a beam based on the generated beam management information. The method also includes performing wireless communication based on the identified beam.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: May 24, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anum Ali, Jianhua Mo, Khuong N. Nguyen, Boon Loong Ng, Vutha Va
  • Patent number: 11284473
    Abstract: A method of an electronic device for a connection management is provided. The method comprises: establishing a communication link with an access point (AP); receiving a triggering indication based on link information measured by the electronic device; determining a quality of the communication link between the electronic device and the AP based on the received triggering indication; comparing, based on the determined quality of the communication link, at least two Q values fetched from a Q table that is determined according to context in which in the electronic device is being used; setting a quantized aggressive index (QAI) value based on the compared at least two Q values; and generating a disconnection command based on the QAI value, wherein the disconnection command is a physical disconnection command or a virtual disconnection command of the communication link between the electronic device and the AP.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: March 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wenxun Qiu, Hao Chen, Matthew Tonnemacher, In-sick Jung, Jihoon Sung, Khuong N. Nguyen, Abhishek Sehgal, Jianhua Mo, Jianzhong Zhang, Junyeop Jung, John Wensowitch, Eric Johnson, Namjoon Park
  • Publication number: 20220038157
    Abstract: A method for beam management by a user equipment (UE) in a wireless communication system. The method includes determining reference signal measurements from signals received from one or more base stations. The method also includes obtaining, from a motion sensor, motion information of the UE. The method further includes generating beam management information for the beam management based on the reference signal measurements and the motion information. The method additionally includes identifying a beam based on the generated beam management information. The method also includes performing wireless communication based on the identified beam.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 3, 2022
    Inventors: Anum Ali, Jianhua Mo, Khuong N. Nguyen, Boon Loong Ng, Vutha Va
  • Publication number: 20210232228
    Abstract: An electronic device for gesture recognition, includes a processor operably connected to a transceiver. The transceiver is configured to transmit and receive signals for measuring range and speed. The processor is configured to transmit the signals, via the transceiver. in response to a determination that a triggering event occurred, the processor is configured to track movement of an object relative to the electronic device within a region of interest based on reflections of the signals received by the transceiver to identify range measurements and speed measurements associated with the object. The processor is also configured to identify features from the reflected signals, based on at least one of the range measurements and the speed measurements. The processor is further configured to identify a gesture based in part on the features from the reflected signals. Additionally, the processor is configured to perform an action indicated by the gesture.
    Type: Application
    Filed: January 26, 2021
    Publication date: July 29, 2021
    Inventors: Khuong N. Nguyen, Wenxun Qiu, Vutha Va, Boon Loong Ng
  • Publication number: 20200356178
    Abstract: An electronic device and a method for gesture recognition are disclosed. The electronic device includes a radar transceiver and a processor operably connected to the radar transceiver. The processor is configured to detect a triggering event. In response to detecting the triggering event, the processor is configured to transmit, via the radar transceiver, radar signals. The processor is also configured to identify a gesture from reflections of the radar signals received by the radar transceiver. The processor is further configured to determine whether the gesture is associated with the triggering event. Based on determining that the gesture is associated with the triggering event, the processor is configured to perform an action indicated by the gesture.
    Type: Application
    Filed: April 13, 2020
    Publication date: November 12, 2020
    Inventors: Wenxun Qiu, Boon Loong Ng, Han Wang, Khuong N. Nguyen
  • Publication number: 20200300970
    Abstract: An electronic device, a method, and computer readable medium are disclosed. The method includes transmitting radar signals via a radar transceiver. The method also includes identifying signals of interest that represent biometric information of a user based on reflections of the radar signals received by the radar transceiver. The method further includes generating an input based on the signals of interest that include the biometric information. The method additionally includes extracting a feature vector based on the input. The method also includes authenticating the user based on comparison of the feature vector to a threshold of similarity with preregistered user data.
    Type: Application
    Filed: November 18, 2019
    Publication date: September 24, 2020
    Inventors: Khuong N. Nguyen, Wenxun Qiu, Boon Loong Ng, Vutha Va, Abhishek Sehgal
  • Publication number: 20200037392
    Abstract: A method of an electronic device for a connection management is provided. The method comprises: establishing a communication link with an access point (AP); receiving a triggering indication based on link information measured by the electronic device; determining a quality of the communication link between the electronic device and the AP based on the received triggering indication; comparing, based on the determined quality of the communication link, at least two Q values fetched from a Q table that is determined according to context in which in the electronic device is being used; setting a quantized aggressive index (QAI) value based on the compared at least two Q values; and generating a disconnection command based on the QAI value, wherein the disconnection command is a physical disconnection command or a virtual disconnection command of the communication link between the electronic device and the AP.
    Type: Application
    Filed: July 23, 2019
    Publication date: January 30, 2020
    Inventors: Wenxun Qui, Hao Chen, Matthew Tonnemacher, In-sick Jung, Jihoon Sung, Khuong N. Nguyen, Abhishek Sehgal, Jianhua Mo, Jianzhong Zhang, Junyeop Jung, John Wensowitch, Eric Johnson, Namjoon Park