Patents by Inventor Ming Shan Kwok

Ming Shan Kwok 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: 10904935
    Abstract: The disclosed technology provides a system and method for scheduling downlink transmissions and for granting uplink frequency resources to a user device such that concurrent transmissions and receptions by the user device, or multiple concurrent transmissions and receptions by the user device, does not lead to deleterious intermodulation distortion or at least minimizes the extent of any such resulting intermodulation distortion.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: January 26, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Ming Shan Kwok, Thomas Lucht, Wafik Abdel Shahid, Yasmin Karimli, Wei-Ming Lan
  • Publication number: 20210022073
    Abstract: Techniques for selecting between various dual connectivity and single connectivity configurations in wireless networks are discussed herein. Wireless networks may include a master base station, such as a Long-Term Evolution (LTE) base station, that may operate in conjunction with a secondary base station, such as a New Radio (NR) base station, to provide dual connectivity or single connectivity to user equipment (UE) operating in that environment. The type of connectivity may be selected according to various characteristics of available radio links and/or various characteristics of devices connecting to the available radio links. In some examples, the type of connectivity may be selected to reduce intermodulation distortion (IMD) or obviate IMD by selecting a connectivity type to avoid scenarios where IMD may be present.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 21, 2021
    Inventors: Ming Shan Kwok, Yasmin Karimli, Wafik Abdel Shahid
  • Patent number: 10897690
    Abstract: Device-enabled embedded subscriber identity module (eSIM) profile acquisition is described. Server(s) associated with a service provider can receive, from an application of a device operated by a user, identification data including at least an identifier corresponding to an eSIM associated with the device. The server(s) can store an association between a profile and the identifier in a database. The server(s) can receive, from the device, a request for the profile, which can include the identifier. The server(s) can access the database to identify, based at least in part on the identifier, the association between the profile and the identifier and provision, to the device, the profile to cause the profile to be associated with the eSIM associated with the device.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 19, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Yasmin Karimli, Ming Shan Kwok
  • Patent number: 10893463
    Abstract: Technologies for incrementally increasing a query timer value are described. When in a roaming mode, a user device is attached to a visited public land mobile network (VPLMN). The user device queries for a more preferred VPLMN or the home public land mobile network (HPLMN) to which the user device is subscribed. When the mobile device queries for a more preferred VPLMN or the HPLMN, if the mobile device does not detect a more preferred VPLMN or the HPLMN, the mobile device stays in roaming mode and increments a query timer value so the interval between a subsequent query operation and the currently performed query operation is greater than the interval between the currently performed query operation and a previously performed query operation. Upon attaching to an HPLMN, the query timer value may be reset.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: January 12, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Hsin-Fu Henry Chiang, Ming Shan Kwok, Jun Liu
  • Publication number: 20200403423
    Abstract: The present invention discloses methods and systems for scheduling and distributing power for electric vehicle chargers, through enabling and disabling a plurality of relays at a system. One of the criteria to allow an authenticated user to use an electric vehicle charger is whether there is enough electricity capacity. When the user is allowed to use a scheduled electric vehicle charger, its location is then sent to the user. Alert messages can be generated if charging does not begin within a first time limit and the cancellation of a reservation will take place if the second time limit is reached.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Applicant: Pismo Labs Technology Limited
    Inventors: Alex Wing Hong CHAN, Ming Pui CHONG, King Shan LAM, Chi Leong KWOK
  • Patent number: 10873885
    Abstract: A wireless communication system may support two types of networks, such as a 4th-Generation (4G) network and a 5th-Generation (5G) network. The 4G network is accessed through Long-Term Evolution (LTE) base stations. The 5G network is accessed through New Radio (NR) base stations. During idle mode, a communication device may scan 5G RF frequencies to determine whether a 5G signal is available and whether to display a 5G network symbol in the status bar of the device. The communication device is configured to detect conditions indicating whether a user of the device is likely viewing the device and/or the display of the device. If it is unlikely that the user is viewing the device or its screen, RF frequency scanning is paused to reduce power consumption and the currently displayed network symbol is maintained until RF frequency scanning is resumed.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: December 22, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Chad Au, Kun Lu, Ming Shan Kwok, Jun Liu, Egil Gronstad, Alan Denis MacDonald, John J. Humbert
  • Patent number: 10873372
    Abstract: Systems and methods for providing improved cell-edge antenna performance are disclosed. The system can use various signal quality indicators (SQIs) for each user equipment (UE) on a particular wireless base station (WBS) or network. When one or more of these metrics reaches a first predetermined value for a particular UE, the WBS or the UE can decide to activate a diversity receive (Rx) antenna on the UE to improve reception. If one or more of these metrics continues to degrade to a second predetermined value, however, the WBS or the UE can deactivate the diversity Rx antenna and activate a primary Rx antenna. Deactivating the diversity antenna when signal quality/strength is poor can improve reception by reducing interference between the diversity Rx antennas. Disabling the diversity Rx antenna when signal quality/strength is poor can also decrease the number of retransmission requests from each UE, reducing traffic on the WBS.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: December 22, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Ming Shan Kwok, Wafik Abdel Shahid
  • Publication number: 20200396643
    Abstract: User equipment (UE) can be connected to both a first base station and a second base station. A flow controller at the first base station can determine packet latency goals associated with packets. The flow controller can also determine connection latencies associated with a first connection from the first base station to the UE and a second connection from the second base station to the UE, where one leg of a split bearer passes from the first base station to the UE over the first connection and another leg of the split bearer passes from the first base station to the second base station and then to the UE over the second connection. The flow controller can route packets with lower packet latency goals via the leg of the lower-latency connection, and route other packets with higher packet latency goals over the leg of the higher-latency connection.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 17, 2020
    Inventors: Ming Shan Kwok, Wafik Abdel Shahid
  • Patent number: 10863411
    Abstract: Routing data transmissions in dual-band devices is described. In an example, a system can determine, based at least in part on capabilities information associated with a device, two or more networks that are available to the device. The two or more networks can include at least a fourth generation (4G) network and a fifth generation (5G) network. The device can be anchored in a first network of the two or more networks. The system can determine first characteristic(s) associated with the first network and second characteristic(s) associated with a second network of the two or more networks. Based at least in part on the first characteristic(s) and the second characteristic(s), the device can determine to transmit data via the second network instead of the first network and can transmit the data via the second network. The system can be associated with a service provider or the device.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 8, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Yasmin Karimli, Ming Shan Kwok
  • Patent number: 10855597
    Abstract: Techniques and devices for channel coding real time wireless traffic are described herein. The techniques include initiating communication in an opportunistic network, receiving network performance metrics indicating a Quality of Service or a Quality of Experience, determining a channel coding based on the network performance metrics, and transmitting channel coded data. Network performance metrics may include indications of packet loss, packet delay, or packet delay jitter. Channel coding algorithms may include turbo encoding, Chase combining, or transmission time interval (TTI) bundling. Using channel coding may allow the recovery of lost or delayed data packets in an opportunistic environment where real time transmission cannot be scheduled or cannot be guaranteed.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 1, 2020
    Assignee: T-Mobile USA, Inc.
    Inventor: Ming Shan Kwok
  • Publication number: 20200351799
    Abstract: Systems and methods for managing multiple network connections for user equipment (UE) are disclosed. The systems and methods can monitor power headroom (PHR) reports on one or more networks. When the PHR report for a UE approaches a first predetermined level on a first network, the system can evaluate the UE for a predetermined amount of time. If during the predetermined amount of time, the PHR on the first network increases to a second predetermined level—i.e., to a level where the transmission power used by the UE is closer to a maximum transmission power that the UE can provide—the UE can be instructed to disconnect from the network. This can enable the UE to disconnect in a controlled manner rather than simply letting the connection “drop” due to radio link failure.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Inventors: Ming Shan Kwok, Thomas P. Lucht, Wei-Ming Lan, Yasmin Karimli, Wafik Abdel Shahid
  • Publication number: 20200344839
    Abstract: Techniques for presenting a symbol on a display of a wireless device indicative of wireless resources based on network states and device states are discussed herein. For example, the network state may indicate whether the wireless device is operating in a cellular network that has areas of dual signal coverage. A device state may include whether the device is actively communicating via a connection or is idle. The techniques may further determine a frequency of wireless resources associated with the dual connectivity environment. A network identifier can be presented via a display of the wireless device. Network identifiers might include, for example, symbols that indicate 3G, 4G, LTE, 5G, dual connectivity, and so forth, corresponding to different wireless network standards and/or connections.
    Type: Application
    Filed: June 14, 2019
    Publication date: October 29, 2020
    Inventors: Ming Shan Kwok, Yasmin Karimli
  • Publication number: 20200337054
    Abstract: After a user equipment (UE) selects, out of multiple supported frequency bands, an anchor layer to use to camp on a base station of a telecommunication network, the base station can select a new anchor layer for the UE. The base station can use information about itself, neighboring base stations, and/or the UE to determine which anchor layer would best allow the UE to achieve an experience goal, such as a highest throughput, lowest latency, highest coverage availability, or other goal.
    Type: Application
    Filed: September 19, 2019
    Publication date: October 22, 2020
    Inventors: Ming Shan Kwok, Jun Liu, Wafik Abdel Shahid
  • Publication number: 20200307404
    Abstract: To prevent theft and/or leakage of electricity and to distribute electricity for recharging electric vehicles, the present invention discloses methods and systems for enabling and disabling a plurality of relays at a system. The system comprises a power supply, at least one ammeter, a power supply enabler and at least one power controller. The required steps include measuring current drawn by the plurality of loads by one or more ammeters. The power controller independently enables or disables each of the plurality of relays according to the instructions received. The power supply enabler enables or disables power supply to the system substantially based on the amount of current being drawn by the system.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Applicant: Pismo Labs Technology Limited
    Inventors: Alex Wing Hong Chan, Ming Pui Chong, King Shan Lam, Chi Leong Kwok
  • Publication number: 20200314729
    Abstract: Systems, devices, and techniques described herein relate to intelligently selecting a connectivity mode. At least one first network characteristic of a first radio link utilizing a first radio technology may be determined. A connectivity mode may be selected based on the at least one first network characteristic. The connectivity mode can be selected from among a dual connectivity mode utilizing the first radio link and a second radio link utilizing a second radio technology, a first single connectivity mode utilizing the first radio link, and a second single connectivity mode utilizing the second radio link. The device may be connected to the first radio link and/or the second radio link according to the selected connectivity mode.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 1, 2020
    Inventors: Ming Shan Kwok, Wafik Abdel Shahid, Yasmin Karimli
  • Publication number: 20200314704
    Abstract: Systems, devices, and techniques described herein relate to handover between Non-Standalone (NSA) and Standalone (SA) networks. An example method includes receiving, from a User Equipment (UE), a measurement report indicating that a signal threshold has been satisfied. In response to receiving the measurement report, handover of a communication session from a first core network to a second core network may be initiated. A message confirming that the communication session has been handed over from the first core network to the second core network can be received. In response to receiving the message, handover of the communication session can be initiated between a single radio bearer associated with a first Radio Access Technology (RAT) and a dual radio bearer associated with the first RAT and a second RAT.
    Type: Application
    Filed: September 18, 2019
    Publication date: October 1, 2020
    Inventors: Wafik Abdel Shahid, Ming Shan Kwok, Yasmin Karimli, Thomas P. Lucht
  • Publication number: 20200314155
    Abstract: Systems, devices, and techniques described herein relate to selectively implementing an expedited retransmission time. In some examples, a call setup message is transmitted to a first network system associated with a first network access technology. A transfer request may be received from the first network system. The transfer request may indicate handover or redirection to a second network system associated with a second network access technology. Upon expiration of the expedited retransmission time after receiving the transfer request, the call setup message can be retransmitted to the second network system.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 1, 2020
    Inventors: Hsin-Fu Henry Chiang, Ming Shan Kwok
  • Patent number: 10778813
    Abstract: Systems and methods for providing improved connection setup on networks is disclosed. At initial call setup, the system can choose between transmission control protocol (TCP) and user datagram protocol (UDP) based on current network conditions. When network conditions—e.g., signal strength and/or signal quality—are such that establishing the connection is likely to be unreliable, then the system can automatically choose TCP for improved reliability. When network conditions are good, on the other hand, then the system can automatically choose UDP for improved speed and efficiency. The system may also switch back and forth between TCP and UDP during use because of changing network conditions. This can reduce dropped connections, poor quality connections, dropped packets, and other errors.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 15, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Hsin-Fu Henry Chiang, Ming Shan Kwok
  • Patent number: 10779215
    Abstract: A cellular communication device is configured to use a non-standalone (NSA) mode for communicating with a cellular communication network using simultaneous 4th-Generation (4G) Long-Term Evolution (LTE) and 5th-Generation (5G) Near Radio (NR) radio access technologies. In NSA mode, the UE may receive separate transmit power control commands for LTE transmissions and NR transmissions, respectively. In order to keep total transmitted power below a maximum allowable transmit power P_CMAX, NR transmissions are paused whenever either LTE or NR transmit power is commanded to be greater than half of P_CMAX. This allows LTE transmissions to continue at the commanded LTE transmit power, while preventing the device from exceeding the maximum allowable transmit power.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: September 15, 2020
    Assignee: T-Mobile USA, Inc.
    Inventor: Ming Shan Kwok
  • Patent number: 10763678
    Abstract: The present invention discloses methods and systems for scheduling and distributing power for electric vehicle chargers, through enabling and disabling a plurality of relays at a system. One of the criteria to allow an authenticated user to use an electric vehicle charger is whether there is enough electricity capacity. When the user is allowed to use a scheduled electric vehicle charger, its location is then sent to the user. Alert messages can be generated if charging does not begin within a first time limit and the cancellation of a reservation will take place if the second time limit is reached.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: September 1, 2020
    Assignee: Pismo Labs Technology Limited
    Inventors: Alex Wing Hong Chan, Ming Pui Chong, King Shan Lam, Chi Leong Kwok