Patents by Inventor Lei Guan

Lei Guan 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: 10390344
    Abstract: A carrier configuration method is disclosed. According to various embodiments, the method includes configuring a new carrier type NCT subframe and/or a backward compatible subframe on a first carrier, determining subframe configuration information of the first carrier according to the configuration of the NCT subframe and/or the configuration of the backward compatible subframe on the first carrier and sending the subframe configuration information of the first carrier to first user equipment (UE) by using dynamic signaling, where the subframe configuration information of the first carrier is used by the first UE to determine a subframe type of a subframe on the first carrier according to the subframe configuration information of the first carrier. The method further includes using, according to the subframe type of the subframe on the first carrier, the first carrier to perform communication.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 20, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lixia Xue, Lei Guan, David Jean-Marie Mazzarese
  • Patent number: 10380391
    Abstract: In general, in some aspects, the subject matter of the present disclosure can be embodied in methods for confirming identity, in which the methods include: outputting a parameter by a reading device, the reading device adapted to read an image displayed on a display of a display device; receiving the parameter output by the reading device by the display device; generating a fractal image at least in accordance with the received parameter by the display device; displaying the generated fractal image on the display of the display device; imaging the displayed fractal image by the reading device; comparing the imaged fractal image to an expected fractal image generated by the reader at least in accordance with the parameter; and confirming that the imaged fractal image and the expected fractal image do not differ by more than a predetermined amount.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: August 13, 2019
    Assignee: AIC Innovation Group, Inc.
    Inventors: Adam Hanina, Lei Guan
  • Patent number: 10383116
    Abstract: Embodiments of the present invention provide an information transmission method, including: determining, by a user equipment (UE), a first subframe; configuring the UE to send a first uplink signal in the first subframe; determining, by the UE, that the first uplink signal is a first type of uplink signal, where the first type of uplink signal occupies a first part of symbols of the first subframe, and the number of symbols included in the first part of symbols is less than the number of symbols included in the first subframe; and detecting, by the UE, a downlink control channel on a second part of symbols in the first subframe, where the first part of symbols and the second part of symbols do not overlap in time domain.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: August 13, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Bo Li, Lei Guan, Xiaoan Fan
  • Patent number: 10380332
    Abstract: Disclosed is a voiceprint login method based on artificial intelligence. The method includes: S1: receiving a login request from a user and acquiring user information of the user; S2: generating a login string and replacing at least one character of the login string according to character replacement reference information corresponding to the user information; S3: providing the login string after replacement to the user and receiving speech information of the user reading the login string; and S4: performing a login authentication on the user according to speech information of the user reading the login string. With the method, by using the voiceprint authentication method combining the voiceprint and the character replacement reference information set by the user, the safety of the voiceprint password is increased, and some characters are hidden according the user's preferences, which satisfies the user's psychological demand of not wishing the password to be displayed explicitly.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: August 13, 2019
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Chao Li, Yong Guan, Lei Jia
  • Publication number: 20190244383
    Abstract: A system and method for recognizing an object. The system includes an imaging apparatus for capturing an image of an object and a processor for receiving the captured image of the object, and for, when it is determined that fewer than a predetermined number of objects have been previously imaged, for determining whether the image of the captured object includes one or more characteristics determined to be similar to a same characteristic in a group of previously imaged objects so that the captured image is grouped with the previously imaged objects, or whether the image of the captured object includes one or more characteristics determined to be dissimilar to a same characteristic in a group of previously imaged objects so that the captured image is not grouped with the previously imaged objects, and the image of the captured object starts another group of previously imaged objects.
    Type: Application
    Filed: February 2, 2018
    Publication date: August 8, 2019
    Inventors: Daniel Glasner, Lei Guan, Adam Hanina, Li Zhang
  • Patent number: 10373016
    Abstract: A system and method for recognizing a medication are provided. The method includes the steps of presenting a medication to a medication identification apparatus, the medication identification apparatus adapted to visually image the presented medication and visually imaging the presented medication. A predetermined transformation may be applied to the visually imaged presented medication, the predetermined transformation adjusting one or more parameters of the visually imaged presented medication along one or more dimensions. Finally, the transformed visually imaged medication is compared to a medication library to determine a closest match therebetween.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: August 6, 2019
    Assignee: AIC INNOVATIONS GROUP, INC.
    Inventors: Lei Guan, Adam Hanina, Gordon Kessler
  • Publication number: 20190237097
    Abstract: An audio signal is obtained by a user terminal. The audio signal is divided into a plurality of short-time energy frames based on a frequency of a predetermined voice signal. Energy of each short-time energy frame is determined. Based on the energy of each short-time energy frame, whether the audio signal includes a voice signal is determined.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 1, 2019
    Applicant: Alibaba Group Holding Limited
    Inventors: Lei JIAO, Yanchu GUAN, Xiaodong Zeng, Feng LIN
  • Publication number: 20190238755
    Abstract: A method and apparatus for determining an indication of interaction in a direction towards a webcam. The method includes the steps of determining an object in a region of interest, determining a first size of the object in the region of interest and tracking the object in the region of interest. A second size of the object in the region of interest is then determined, and a push interaction is confirmed as having taken place if the ratio of the second size to the first size is greater than a predetermined value.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventors: Adam Hanina, Gordon Kessler, Lei Guan
  • Publication number: 20190239201
    Abstract: Embodiments of the present invention provide information sending and receiving methods and devices. The information sending method includes: determining, by a base station, a downlink subframe that is used to send first information to user equipment UE; and sending, by the base station, the first information to the UE by using the downlink subframe, where the downlink subframe is a first subframe, a second subframe, or a third subframe, where the first subframe includes at least two sub-physical resource block pairs, the second subframe includes at least two physical resource block pairs, and the third subframe includes at least one sub-physical resource block pair and at least one physical resource block pair. According to the embodiments of the present invention, an LTE communications system efficiently and flexibly supports various network architectures and various types of UEs.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventors: Lixia XUE, Lei GUAN, Qiang LI
  • Publication number: 20190230694
    Abstract: A downlink resource scheduling method, a terminal device and a network device are disclosed. In an embodiment a method includes receiving first pre-scheduling indication information sent by a network device, wherein the first pre-scheduling indication information is used to instruct the terminal device to receive a first downlink data channel, receiving, according to the first pre-scheduling indication information, a downlink signal sent by the network device, wherein the downlink signal sent by the network device comprises the first downlink data channel and detecting at least one piece of post-scheduling indication information in the downlink signal sent by the network device, wherein the at least one piece of post-scheduling indication information is used by the terminal device to determine a resource occupied by the first downlink data channel in the received downlink signal.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 25, 2019
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yongxia Lyu, Lei Guan, Sha Ma, Ruixiang Ma
  • Publication number: 20190229965
    Abstract: Embodiments of the present invention provide a control channel transmission method, a network device, and a terminal device. The method includes: mapping a first control channel to M consecutively-numbered first transmission elements, where the first control channel is used to schedule a data channel, a transmission element is a smallest unit used to transmit a control channel, and M?1; and sending the first control channel to a terminal device.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 25, 2019
    Inventors: Zuomin Wu, Lei Guan
  • Publication number: 20190214261
    Abstract: A semiconductor device includes a superjunction structure formed using simultaneous N and P angled implants into the sidewall of a trench. The simultaneous N and P angled implants use different implant energies and dopants of different diffusion rate so that after annealing, alternating N and P thin semiconductor regions are formed. The alternating N and P thin semiconductor regions form a superjunction structure where a balanced space charge region is formed to enhance the breakdown voltage characteristic of the semiconductor device.
    Type: Application
    Filed: March 18, 2019
    Publication date: July 11, 2019
    Inventors: Karthik Padmanabhan, Madhur Bobde, Lingpeng Guan, Lei Zhang, Hamza Yilmaz
  • Publication number: 20190206988
    Abstract: A trench metal-oxide-semiconductor field-effect transistor (MOSFET) device includes a combination of shielded trench gate structure and a superjunction structure within an epitaxial layer including alternating n-doped and p-doped columns in an a drift region. In one example the gate trenches are formed in and over n-doped columns that have an extra charge region near and adjacent to the lower portion of the corresponding gate trench. The extra charge is balanced due to the shield electrodes in the gate trenches.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 4, 2019
    Inventors: Karthik Padmanabhan, Lingpeng Guan, Madhur Bobde, Jian Wang, Lei Zhang
  • Publication number: 20190205615
    Abstract: A method and system for de-identifying a video sequence are provided. The method may include the steps of capturing a video sequence, comprising a number of individual frames, including one or more users performing one or more actions, and using activity recognition to recognize one of the one or more actions. One or more of the plurality of frames may be defined as comprising the recognized one or more actions, and a portion of the one or more of the plurality of frames may be identified to remain visible. The non-identified portions of the one or more of the plurality of frames and the non-defined frames may be de-identified. This method may be applied to the determination of whether a user has ingested a medication pill.
    Type: Application
    Filed: November 13, 2018
    Publication date: July 4, 2019
    Inventors: Adam Hanina, Lei Guan
  • Publication number: 20190208525
    Abstract: The present invention discloses a carrier switching method, a base station, and user equipment, where the method includes: determining, according to carrier switching capability information of user equipment UE, a carrier switching policy according to which the UE performs carrier switching; and sending carrier switching indication information to the UE, where the carrier switching indication information is used for indicating the carrier switching policy, so that the UE performs carrier switching according to the carrier switching policy. In the carrier switching method, the base station and the user equipment according to embodiments of the present invention, the UE having no carrier aggregation capability is enabled to dynamically perform switching between at least two carriers, so that quality of service of a service of the UE can be improved, user experience can be improved, and system performance can be improved.
    Type: Application
    Filed: March 8, 2019
    Publication date: July 4, 2019
    Inventors: Lixia Xue, Lei Guan, David jean-marie Mazzarese, Yongxing Zhou
  • Publication number: 20190192070
    Abstract: A system and method for positioning a pill to be ingested by a user in a field of view of an image acquisition camera. The method includes the steps of determining a desired location of the mouth of a user in a field of view of an image acquisition camera, determining a current position of a pill to be ingested by the user in the field of view of the image acquisition apparatus, and indicating on a display a movement to be made by the user to move the pill towards mouth of the user.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 27, 2019
    Inventors: Adam Hanina, Gordon Kessler, Lei Guan
  • Patent number: 10333607
    Abstract: Embodiments of the present application provide a channel state information transmission method. The method includes: receiving downlink data; determining an uplink subframe used to send feedback information of the downlink data, where a first downlink subframe set associated with the uplink subframe includes a first subset and a second subset, and the first subset is a proper subset of the second subset; determining a channel resource used to send the feedback information, where the channel resource includes a first uplink channel resource or a second uplink channel resource; and if sending of r pieces of CSI is configured to be sent, a codebook size of the feedback information corresponds to the first subset, and the determined channel is the second uplink channel resource, sending the feedback information and t pieces of CSI of the r pieces of CSI on the second uplink channel resource.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: June 25, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Guan, Sha Ma, Zhiyu Yan
  • Publication number: 20190181992
    Abstract: A method for detecting a discovery reference signal includes: detecting, by a terminal device, a candidate sequence of a discovery reference signal at a candidate time-frequency resource location of the discovery reference signal to determine an actual time-frequency resource location and an actual sequence of the discovery reference signal, wherein the a candidate sequence includes the actual sequence, and the a candidate time-frequency resource location includes the actual time-frequency resource location; determining, by the terminal device, a value of information, and a mapping relationship between the value and the candidate sequence and/or the candidate time-frequency resource location; and determining, by the terminal device, an actual value from the value according to the actual sequence and/or the actual time-frequency resource location, and the mapping relationship.
    Type: Application
    Filed: February 19, 2019
    Publication date: June 13, 2019
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Lei Guan, Lixia Xue
  • Publication number: 20190174501
    Abstract: Embodiments of the present invention provide an unlicensed spectrum-based wireless communication method, a base station, and a terminal device. The method includes: occupying, by a base station, a first carrier on an unlicensed spectrum by using a first clear channel assessment CCA, where the first CCA is a single-slot CCA; sending, by the base station, first indication information to a terminal device, where the first indication information is used to instruct the terminal device to send uplink information to the base station on the first carrier; and receiving, by the base station on the first carrier, the uplink information from the terminal device. In the embodiments of the present invention, utilization of an unlicensed spectrum resource can be improved.
    Type: Application
    Filed: February 6, 2019
    Publication date: June 6, 2019
    Inventors: Meiying YANG, Yuan LI, Lei GUAN
  • Patent number: 10311463
    Abstract: A method and apparatus for engaging consumers in the performance of predetermined action. The method comprises the steps determining performance of a predetermined action, providing feedback related to the determined performance of the predetermined action, and broadcasting confirmation of performance of the predetermined action along with at least a portion of the provided feedback. An incentive be provided based upon performance of the predetermined action, or upon broadcasting. The predetermined action may include eating a candy or other edible item. The feedback may include material related to an advertising campaign, or otherwise related to the candy or edible item.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: June 4, 2019
    Assignee: AIC Innovations Group, Inc.
    Inventors: Adam Hanina, Gordon Kessler, Lei Guan