Patents by Inventor Feng Han

Feng Han 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: 20220069107
    Abstract: A semiconductor device includes a gate structure, a double diffused region, a source region, a drain region, a first gate spacer, and a second gate spacer. The gate structure is over a semiconductor substrate. The double diffused region is in the semiconductor substrate and laterally extends past a first side of gate structure. The source region is in the semiconductor substrate and is adjacent a second side of the gate structure opposite the first side. The drain region is in the double diffused region in the semiconductor substrate and is of a same conductivity type as the double diffused region. The first gate spacer is on the first side of the gate structure. The second gate spacer extends upwardly from the double diffused region along an outermost sidewall of the first gate spacer and terminates prior to reaching a top surface of the gate structure.
    Type: Application
    Filed: September 30, 2020
    Publication date: March 3, 2022
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Feng HAN, Lei SHI, Hung-Chih TSAI, Liang-Yu SU, Hang FAN
  • Patent number: 11265755
    Abstract: This application provides a communication method, an apparatus, and a system, to improve communication efficiency. One method includes: sending, by an access network node to a terminal device, indication information indicating to transmit a quality of service (QoS) flow by using a bearer, wherein a protocol stack corresponding to the bearer supports transmission of the QoS flow through a first path, wherein the first path passes through one of (1) a service data adaptation protocol (SDAP) layer of a master node and a protocol layer below an SDAP layer of a secondary node, or (2) an SDAP layer of the secondary node and a protocol layer below an SDAP layer of the master node; and transmitting, by the access network node, the QoS flow by using the first bearer.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: March 1, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Feng Han, Yinghao Jin, Wei Tan, Hao Bi
  • Patent number: 11265779
    Abstract: This application discloses a communication method and an apparatus. In a solution of this application, a base station sends, by using dedicated signaling, at least one random access parameter set to a terminal in a connected mode or an inactive mode. The base station receives a random access request of the terminal in a connected mode or an inactive mode. One of the at least one random access parameter set is used in the random access request. In this application, differentiated random access processes may be performed in different scenarios.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 1, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Feng Han, Yinghao Jin, Hong Li
  • Patent number: 11252615
    Abstract: This application provides a handover method that is based on DC, including: sending, by a source base station, a handover request to a target base station, where the handover request carries a target base station user equipment (UE) aggregate maximum bit rate (UE-AMBR) and/or network slice information of UE; and receiving, by the source base station, a handover request feedback sent by the target base station. A UE capability is coordinated between the source base station and the target base station, so that it is ensured that a technical effect of the UE capability is not exceeded during a DC-based handover. The coordination of the UE capability may be implemented by the source base station, or may be implemented by the target base station.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: February 15, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yinghao Jin, Wei Tan, Feng Han
  • Patent number: 11252095
    Abstract: A data transmission method and a communications device, wherein the method includes: processing, by a transmit end device, a data flow, where the processing includes: adding a flow identifier indication to the data flow, where the flow identifier indication is used to indicate whether a flow identifier is included; and sending, by the transmit end device, the processed data flow. A flow identifier indication is added to a data flow, where the flow identifier indication is used to indicate whether a flow identifier is included; and the data flow is transmitted according to the flow identifier indication, so that processing on the data flow is completed.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: February 15, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Hong Li, Feng Han, Yinghao Jin
  • Publication number: 20220038977
    Abstract: Embodiments of the present invention propose a communication method. The communication method includes: obtaining, by a base station, DRB configuration information, where the DRB configuration information is used to determine a mapping relationship between serving cells and DRBs used to carry data of different service types; and sending the DRB configuration information to a terminal, so that the terminal communicates with the base station in a serving cell corresponding to a DRB. The embodiments of the present invention further disclose a base station and a terminal to which the communication method is applied.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 3, 2022
    Inventors: Feng HAN, Hong LI, Yinghao JIN, Wei TAN
  • Patent number: 11240700
    Abstract: Example communication methods and an access network device are described. One example method includes sending a first message to a second access network device by a first access network device, where the first message carries a quality of service (QoS) flow identification (QFI) for a split bearer corresponding to the first access network device and a QoS parameter corresponding to the QFI. The second access network device receives the first message from the first access network device, where the first message carries the QFI for the split bearer corresponding to the first access network device and the QoS parameter corresponding to the QFI. The second access network device sends a second message to the first access network device, where the second message is a response to the first message. The embodiments of this application are used to implement QoS control.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: February 1, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Feng Han, Yinghao Jin, Hong Li
  • Publication number: 20220022251
    Abstract: Embodiments of this application provide a communication method, a communication apparatus, and a device. The method includes: A network device receives first information sent by a terminal device, where the first information is information about a two-step random access process of the terminal device; and the network device updates a random access configuration based on the first information.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Inventors: Shuigen YANG, Feng HAN, Yinghao JIN, Chuan MA
  • Publication number: 20220013542
    Abstract: An integrated circuit includes a bias pad within a buried oxide layer. A layer of semiconductor material is over the buried oxide layer. The layer of semiconductor material includes a doped regions for a transistor. An inter layer dielectric (ILD) material covers the layer of semiconductor material and a gate electrode for the transistor. The integrated circuit includes one or more bias contacts extending through the ILD material within an isolation region in the layer of semiconductor material. Bias contacts electrically connect to the first bias pad. The isolation structure insulates the one or more bias contacts from the doped regions of the transistor within the layer of semiconductor material. The one or more bias contacts are electrically connected to an interconnection structure of the integrated circuit which is configured to connect a voltage source to the bias pad.
    Type: Application
    Filed: July 22, 2020
    Publication date: January 13, 2022
    Inventors: Jian WU, Feng HAN, Shuai ZHANG
  • Publication number: 20220015007
    Abstract: Examples in this application disclose a communications system and apparatus. One example system includes a first access network device and a second access network device, and the first access network device sends, to the second access network device, indication information indicating a requirement of transmitting small data, receives, from the second access network device, a context of the terminal and an address of a tunnel used to transmit uplink data, indicates, based on the context, the terminal to enter a connected state, and sends uplink data of the terminal to the second access network device based on the address of the tunnel, then the second access network device sends the uplink data to a core network device.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Inventors: Feng Han, Yinghao Jin, Hongzhuo Zhang, Xudong Yang
  • Patent number: 11201211
    Abstract: A method of manufacturing a super junction structure includes etching a material to define a trench, wherein the trench has a tapered profile. The method further includes implanting dopants into sidewalls and a bottom surface of the trench to define a doped region, wherein the doped region surrounds the trench. The method further includes depositing an undoped material into the trench. The method further includes performing a thermal process, wherein the thermal process drives the dopants from the doped region into the undoped material to form a conductive pillar in the trench.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: December 14, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shuai Zhang, Lian-Jie Li, Zhong-Hao Chen, Feng Han, Jian Wu
  • Publication number: 20210377847
    Abstract: Embodiments of this application disclose a communication method, a terminal device, and a core network device. The method includes: The terminal device sends, through a radio access network device, a registration request message including first network slice information to the core network device. The first network slice information is information about a first network slice corresponding to a PDU session that the terminal device expects to establish. The terminal device receives, through the radio access network device, a registration accept message that is sent by the core network device and that includes information about a first registration area allocated to the terminal device and second network slice information, the second network slice information is information about a second network slice that is allowed to be used by the terminal device in the first registration area, and the second network slice information includes the first network slice information.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Shuigen YANG, Yinghao JIN, Feng HAN, Wei TAN
  • Publication number: 20210377887
    Abstract: Examples in this application provide a communication method and a communications apparatus. One example communication method includes determining to deactivate or activate a first synchronization signal and physical broadcast channel block (SSB), and sending a first request message to a second network device. Specifically, the first request message carries first indication information for indicating the first SSB, and when the first SSB is an SSB in the first network device, the first request message requests the second network device to update a state of the first SSB, and the second network device maintains information about at least one SSB in the first network device, or when an active first SSB is an SSB in the second network device, the first request message requests the second network device to activate the first SSB, and the first network device maintains information about at least one SSB in the second network device.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Shuigen YANG, Feng HAN, Yinghao JIN, Wei TAN
  • Publication number: 20210365644
    Abstract: A user input in a source language is received. A set of contextual data is received. The user input is encoded into a user input feature vector. The set of contextual data is encoded into a context feature vector. The user input feature vector and the context feature vector are used to generate a fusion vector. An adaptive neural network is trained to identify a second context feature vector, based on the fusion vector. A second user input in the source language is received for translation into a target language. The adaptive neural network is used to determine, based on the second context feature vector, a second user input feature vector. The second user input feature vector is decoded, based on the source language and the target language, into a target language output. A user is notified of the target language output.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 25, 2021
    Inventors: Lei Mei, Kun Yan Yin, Yan Hu, Qi Ruan, Yan Feng Han
  • Publication number: 20210367074
    Abstract: A semiconductor device includes a substrate, a gate structure, a drift region, a source region, a drain region, and a doped region. The gate structure is above the substrate. The drift region is in the substrate and under the gate structure. The source region and the drain region are on opposite sides of the gate structure. The drain region is in the drift region, and the source region is outside the drift region. The doped region is in the drift region and between the drain region and the gate structure. The doped region is spaced apart from a bottom surface of the drain region.
    Type: Application
    Filed: July 16, 2020
    Publication date: November 25, 2021
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC China Company Limited
    Inventors: Lian-Jie LI, Yan-Bin LU, Feng HAN, Shuai ZHANG
  • Patent number: 11184699
    Abstract: Some disclosed systems may include a microphone system having two or more microphones, an interface system and a control system. In some examples, the control system may be capable of receiving, via the interface system, audio data from two or more microphones of the microphone system, of determining a gesture location based, at least in part, on the audio data and of controlling one or more settings of the system based on the gesture location.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: November 23, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Feng Han, Jin Won Lee, Xinzhou Wu, Rashid Ahmed Akbar Attar
  • Publication number: 20210360517
    Abstract: This application provides a method and an apparatus for obtaining system information, and relates to the field of communications technologies. In the method, a terminal may send, to an access network element, a first request used to request system information corresponding to a plurality of cells, and the access network element sends, to the terminal based on the first request, a first response including system information corresponding to one or more cells.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Inventors: Chenchen Yang, Yinghao Jin, Wei Tan, Feng Han
  • Publication number: 20210345144
    Abstract: The present disclosure relates to communication methods and communications apparatus. In one example communication method, a terminal device obtains measurement configuration information, where the measurement configuration information is used to indicate a target frequency for which logged minimization of drive tests (logged MDT) measurement is performed by the terminal device. The terminal device performs the logged MDT measurement for the target frequency.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 4, 2021
    Inventors: Shuigen YANG, Xingxing HU, Yinghao JIN, Feng HAN
  • Publication number: 20210337491
    Abstract: The present disclosure relates to time synchronization methods and apparatus. In one example method, a terminal receives a system information block (SIB) sent by a distributed unit (DU), where the SIB is generated by the DU, the SIB includes time information, and the time information indicates a moment corresponding to a boundary of a system frame number (SFN) at which an end boundary of a system information (SI) window for sending the SIB is located, or indicates a moment corresponding to a boundary of an SFN immediately after an end boundary of an SI window for sending the SIB. The UE processes the time information to obtain a time reference.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 28, 2021
    Inventors: Xiaoying XU, Qufang HUANG, Feng HAN
  • Patent number: 11159983
    Abstract: A communication method and a communications device are provided. In the method, a first base station receives a first message; the first base station determines, based on the first message, whether to allocate a new RNA to a terminal in an inactive state; and the first base station allocates a new RNA to the terminal in the inactive state after determining to allocate a new RNA to the terminal in the inactive state, so as to reduce signaling overheads; and/or the first base station receives a second message; the first base station determines a communication status of the terminal in the inactive state based on the second message; and after determining that the terminal needs to change the communication status, the first base station controls the terminal to change the communication status.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: October 26, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yinghao Jin, Feng Han, Hong Li