Patents by Inventor Boon Loong Ng

Boon Loong Ng 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: 11617148
    Abstract: A method and apparatus of a first network entity in a wireless communication system is provide. The method and apparatus comprises: identifying at least one set of bit strings to generate a ranging scrambled timestamp sequence (STS); identifying at least one initialization vector (IV) field corresponding to the at least one set of bit strings, wherein the at least one IV field comprises a 4-octet string; generating a ranging STS key and IV information element (RSKI IE) that includes the at least one IV field to convey and align a seed that is used to generate the ranging STS; and transmitting, to a second network entity, the generated RSKI IE for updating the ranging STS of the second network entity.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Zheda Li, Aditya V. Padaki, Boon Loong Ng
  • Publication number: 20230088404
    Abstract: Methods and apparatuses for facilitating enhanced channel quality measurements on links of a multi-link device (MLD) in a wireless local area network. A non-access point (AP) MLD comprises stations (STAs), each comprising a transceiver configured to form a link with a corresponding AP affiliated with an AP MLD and receive, over the link, a channel sounding signal. The non-AP MLD further comprises a processor configured to determine, based on the channel sounding signal received at a first time over a first one of the links, an initial channel quality indicator (CQI) value for the first link, and determine, based on interference caused on the first link by a second one of the links at a second time, a CQI offset value for the first link relative to the initial CQI value. The transceivers are configured to transmit, to the AP MLD, the initial CQI value and the CQI offset value.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 23, 2023
    Inventors: Rubayet Shafin, Ahmed Atef Ibrahim Ibrahim, Peshal Nayak, Boon Loong Ng, Vishnu Vardhan Ratnam, Junsu Choi
  • Publication number: 20230092188
    Abstract: An electronic device and method for managing an antenna operating in a combination of frequency bands. The electronic device comprises at least one antenna including a plurality of antenna elements, a transceiver operably connected with the at least one antenna and configured for communication over multiple frequency parts. The electronic device also comprises a processor operably connected to the transceiver, the processor configured to determine the multiple frequency parts; identify, from a configuration received in response to the multiple frequency parts reported in the PUCCH, a combination of one or more frequency parts from the multiple frequency parts for performing the communication; obtain a beamforming codebook; and apply one or more beams within the beamforming codebook for performing the communication.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 23, 2023
    Inventors: Jianhua Mo, Boon Loong Ng, Md. Saifur Rahman
  • Publication number: 20230087900
    Abstract: A base station includes a controller configured to configure an MRS resource set comprising a group of MRS resources, each MRS resource comprising a set of MRS antenna ports. If at least two MRS antenna ports belong to a same MRS resource, then the at least two MRS antenna ports are quasi co-located with respect to a first set of QCL parameters, else if the at least two MRS antenna ports belong to a same MRS resource set, then the at least two MRS antenna ports are quasi co-located with respect to a second set of QCL parameters, and else the at least two MRS antenna ports are not quasi co-located with respect to either the first set or the second set of QCL parameters. The MRS is a CSI-RS for estimating a CSI and at least one of the first set and the second set of QCL parameters.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 23, 2023
    Inventors: Young Han Nam, Boon Loong Ng, Yang Li, Sudhir Ramakrishna, Md. Saifur Rahman
  • Publication number: 20230079979
    Abstract: A method and electronic device for determining relevant signals in radar signal processing. The electronic device includes a radar transceiver, a memory, and a processor. The processor is configured to cause the electronic device to obtain, via the radar transceiver of the electronic device, radar measurements for one or more modes in a set of modes; process the radar measurements to obtain a set of radar images; identify relevant signals in the set of radar images based on signal determination criteria for an application; and perform the application using only the relevant signals.
    Type: Application
    Filed: October 27, 2022
    Publication date: March 16, 2023
    Inventors: Vutha Va, Mandar Kulkarni, Boon Loong Ng, Pengda Huang
  • Publication number: 20230073868
    Abstract: Methods and apparatuses for facilitating multi-AP association on NSTR links. A method for wireless communication performed by a non-access point (AP) multi-band device (MBD), wherein the non-AP MBD comprises wireless stations (STAs), the method comprising: identifying, while a first STA of the STAs is associated with a first AP, that a second STA of the STAs is either associated or to be associated with a second AP; detecting a non-simultaneous transmit and receive (NSTR) condition; when the second STA is to be associated with the second AP, determining whether an association procedure to associate the second STA with the second AP is to be initiated based on a first MBD transmission procedure; and when the second STA is associated with the second AP, generating an indication to initiate a second MBD transmission procedure.
    Type: Application
    Filed: August 5, 2022
    Publication date: March 9, 2023
    Inventors: Peshal Nayak, Vishnu Vardhan Ratnam, Ahmed Atef Ibrahim Ibrahim, Boon Loong Ng, Rubayet Shafin
  • Publication number: 20230068765
    Abstract: A method for allocating power of an electronic device, includes generating a power budget indicating an amount of available power for signal transmission and reception. The method also includes determining whether to prioritize communication signals or radar signals for allocating the available power of a battery. In response to a determination to prioritize the communication signals, the method includes allocating a first portion of the available power for the communication signals and a second portion of the of the available power for the radar signals. In response to a determination to prioritize the radar signals, the method includes allocating the first portion of the available power for the radar signals and the second portion of the of the available power for the communication signals. The method further includes transmitting the communication signals and the radar signals based on the allocation.
    Type: Application
    Filed: June 9, 2022
    Publication date: March 2, 2023
    Inventors: Anum Ali, Vutha Va, Jianhua Mo, Boon Loong Ng
  • Patent number: 11594807
    Abstract: A method and electronic device for applying a maximum permissible exposure (MPE) operation on the electronic device. The electronic device includes a plurality of antenna arrays and a processor operably connected to the plurality of antenna arrays. The processor is configured to detect a MPE condition for radio frequency exposure and apply a MPE operation, from among a plurality of MPE operations, to at least one of the plurality of antenna arrays to modify the radio frequency exposure. The MPE operation includes coordination of at least two antenna arrays for signal transmission.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Boon Loong Ng, Suha Yoon, Sungchul Park, Jianhua Mo, Aris Papasakellariou
  • Patent number: 11595954
    Abstract: One or more embodiments provide a method implemented in a user equipment (UE) used in a wireless communications system. The method includes transmitting an indication to a base station that the UE is capable of transmitting on a single uplink carrier frequency and downlink carrier aggregation. The method also includes receiving an uplink carrier frequency switching pattern from the base station. The method also includes switching uplink carrier frequencies based on the uplink carrier frequency switching pattern.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: February 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Boon Loong Ng, Thomas David Novlan, Aris Papasakellariou, Young-Han Nam
  • Publication number: 20230059237
    Abstract: Methods and apparatuses for enhancing advertisement of restricted target wake time (TWT) schedules by access points (APs) and improving selection of restricted TWT schedules by stations (STAs) in a wireless local area network. A wireless STA apparatus comprises a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to receive, from an AP, a restricted TWT advertisement that includes a restricted TWT schedule and additional information about the restricted TWT schedule. The processor is configured to determine, based on the additional information, whether to refrain from requesting to become a member of the restricted TWT schedule.
    Type: Application
    Filed: August 5, 2022
    Publication date: February 23, 2023
    Inventors: Rubayet Shafin, Boon Loong Ng, Peshal Nayak, Ahmed Atef Ibrahim Ibrahim, Vishnu Vardhan Ratnam
  • Publication number: 20230057502
    Abstract: Methods and apparatuses for facilitating quality of service traffic handling under NSTR constraints. A method of wireless communication performed by a non-access point (AP) multi-link device (MLD) comprises: forming a link with a corresponding AP of an AP MLD; detecting a non-simultaneous transmit and receive (NSTR) link pair; detecting that respective links of the NSTR link pair have transmit opportunity (TXOP) durations having different values; and managing communication on the respective links of the NSTR link pair based on access categories (ACs) to reduce interference between the respective links of the NSTR link pair.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 23, 2023
    Inventors: Peshal Nayak, Rubayet Shafin, Boon Loong Ng, Vishnu Vardhan Ratnam, Ahmed Atef Ibrahim Ibrahim
  • Publication number: 20230049620
    Abstract: Methods and apparatuses for scheduled link muting at an access point. An access point (AP) multi-link device (MLD) comprises a transceiver and a processor operably coupled to the transceiver. The processor is configured to generate an information element (IE) configured to indicate unavailability of a link, the information element comprising an indication of a duration of link disablement; and when a value of the indicated duration of the link disablement has elapsed, enable the link, wherein the IE is included in a broadcast frame, and the transceiver is configured to transmit the broadcast frame.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 16, 2023
    Inventors: Vishnu Vardhan Ratnam, Ahmed Atef Ibrahim Ibrahim, Rubayet Shafin, Peshal Nayak, Boon Loong Ng
  • Patent number: 11581936
    Abstract: An electronic device and methods for performing beam management (BM) in systems with antenna arrays capable of operating in combined radar and communication modes are disclosed herein. The electronic device comprises a processor and a plurality of antenna elements configured to operate in a first mode, in which the antenna elements are used for communications with beamforming, and a second mode, in which at least two of the antenna elements are used for radar and the remainder are used for the communications. The processor is configured to perform a mode switch on the antenna elements to switch between the first mode and the second mode, determine, after the mode switch, a new beam to use during a first BM cycle, perform, using the new beam, the first BM cycle to obtain signal quality measurements, and perform a second BM cycle using an updated beam based on the signal quality measurements.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: February 14, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anum Ali, Boon Loong Ng, Jianhua Mo, Vutha Va
  • Publication number: 20230041835
    Abstract: A method for exposure level estimation, includes transmitting radar signals for object detection and communication signals for wireless communication operations. The method also includes identifying a location of an object relative to the electronic device within a first time duration based on the radar signals, the first time duration including a previous time until a current time. The method further includes determining a radio frequency (RF) exposure measurement associated with the object based on the location of the object over the first time duration. Additionally, the method includes determining a power density budget over a second time duration based on a comparison of the RF exposure measurement to an RF exposure threshold, the second time duration including the current time until a future time. The method also includes modifying the wireless communication operations for the second time duration based on the power density budget.
    Type: Application
    Filed: March 10, 2022
    Publication date: February 9, 2023
    Inventors: Vutha Va, Anum Ali, Jianhua Mo, Boon Loong Ng
  • Publication number: 20230039849
    Abstract: An electronic device includes a transceiver and a processor. The processor is operably connected to the transceiver. The processor is configured to transmit, via the transceiver, radar signals for activity recognition. The processor is also configured to identify a first set of features and a second set of features from received reflections of the radar signals, the first set of features indicating whether an activity is detected based on power of the received reflections. Based on the first set of features indicating that the activity is detected, the processor is configured to compare one or more of the second set of features to respective thresholds to determine whether a condition is satisfied. After a determination that the condition is satisfied, the processor is configured to perform an action based on a cropped portion of the second set of features.
    Type: Application
    Filed: May 18, 2022
    Publication date: February 9, 2023
    Inventors: Raghunandan M. Rao, Yuming Zhu, Neha Dawar, Songwei Li, Boon Loong Ng
  • Publication number: 20230037879
    Abstract: Methods and apparatuses for facilitating the switching of an established target wake time (TWT) schedule from one link to another link of a multi-link device (MLD) in a wireless local area network. The apparatuses include an access point (AP) MLD comprising APs and a processor operably coupled to the APs. Each AP comprises a transceiver configured to form a link with a corresponding station (STA) affiliated with a non-AP MLD. The processor is configured to negotiate with the non-AP MLD via one of the APs to establish a TWT schedule for communications on a first one of the links, receive, from the non-AP MLD via one of the APs, a request to transfer the TWT schedule from the first link to a second one of the links, and in response to the request, establish the TWT schedule for communications on the second link.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 9, 2023
    Inventors: Rubayet Shafin, Boon Loong Ng, Peshal Nayak, Ahmed Atef Ibrahim Ibrahim
  • Publication number: 20230042556
    Abstract: A method for operating an electronic device comprises obtaining information about signal quality measurements associated with a channel; generating newly obtained signal quality measurements based on a beam-sweeping procedure, wherein each signal quality measurement is associated with a respective measurement time and a respective transmit beam; adjusting the newly obtained signal quality measurements based on the measurement times and positional information of the electronic device; and updating a first measurement database of signal quality measurements with the adjusted signal quality measurements.
    Type: Application
    Filed: January 31, 2022
    Publication date: February 9, 2023
    Inventors: Ahmad AlAmmouri, Jianhua Mo, Vutha Vu, Boon Loong Ng
  • Publication number: 20230032241
    Abstract: Methods, apparatuses, systems, and computer-readable media for a composite beam generation using machine learning. A method includes identifying a narrow beam for a transmission, identifying a composite beam including the narrow beam based on an association between one or more composite beams and one or more narrow beams, identifying one or more beamforming weights for transmitting the composite beam, and transmitting the composite beam using the one or more beamforming weights. The one or more beamforming weights are determined based on machine learning. In some embodiments, the method includes generating a composite beam codebook including information indicating sets of one or more beamforming weights corresponding to composite beam indexes, respectively. The sets of one or more beamforming weights are determined using respective parameters of a machine learning algorithm that are separately updated for coverage regions of composite beams corresponding to the composite beam indexes, respectively.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 2, 2023
    Inventors: Jianhua Mo, Boon Loong Ng, Vutha Va, Ahmad AlAmmouri
  • 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: 11569892
    Abstract: An electronic device and methods for performing low-latency, low-power beam management are disclosed herein. An electronic device for performing low-latency, low-power beam management comprises a plurality of antenna modules and a processor. The processor is configured to determine a number of active antenna modules to include in a set of active antenna modules, and select the set of active antenna modules, from among the plurality of antenna modules, based on a spherical coverage of the set of active antenna modules and based on information on blockage states of the plurality of antenna modules.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anum Ali, Jianhua Mo, Boon Loong Ng, Vutha Va