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).

  • COMMUNICATION METHOD AND APPARATUS
    Publication number: 20220217593
    Abstract: The disclosure provides communication methods and apparatuses. One example method includes receiving, by a first network device, a first message from a second network device, where the first message includes network slice configuration information. The network slice configuration information is used to indicate a maximum data rate provided by each of n network slices for a terminal device, and n is an integer greater than or equal to 1. In response to the received first message, the first network device sends a second message to the second network device.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventors: Shuigen YANG, Feng HAN, Yinghao JIN, Wei TAN
  • Semiconductor device and manufacturing method thereof
    Patent number: 11380779
    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: Grant
    Filed: September 30, 2020
    Date of Patent: July 5, 2022
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Feng Han, Lei Shi, Hung-Chih Tsai, Liang-Yu Su, Hang Fan
  • SEMICONDUCTOR DEVICE AND FORMING METHOD THEREOF
    Publication number: 20220199803
    Abstract: A method includes forming a gate structure over a substrate; forming a first gate spacer and a second gate spacer on opposite sidewalls of the gate structure, respectively; implanting a first dopant of a first conductivity type into the substrate form a lightly doped source region adjacent to the first gate spacer, and a lightly doped drain region adjacent to the second gate spacer; forming a patterned mask over a first portion of the lightly doped drain region, while leaving a second portion of the lightly doped drain region exposed; and with the patterned mask in place, implanting a second dopant of the first conductivity type into the substrate, resulting in converting the second portion of the lightly doped drain region into a drain region.
    Type: Application
    Filed: March 26, 2021
    Publication date: June 23, 2022
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITED
    Inventors: Feng HAN, Jian HUANG, Lin-Chun GUI, Zhong-Hao CHEN
  • Semiconductor device having buried bias pads
    Patent number: 11355518
    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: Grant
    Filed: July 22, 2020
    Date of Patent: June 7, 2022
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMIIED
    Inventors: Jian Wu, Feng Han, Shuai Zhang
  • Paging Method And Apparatus
    Publication number: 20220174583
    Abstract: The present disclosure relates to paging methods and apparatus. One example method includes sending, by a distributed unit (DU), first signaling to a centralized unit (CU), where the first signaling is used to indicate a network that can be accessed by the DU, and receiving, by the DU, second signaling from the CU, where the second signaling is used to send an auxiliary configuration parameter of the CU for the DU, and the second signaling comprises a non-public networks (NPN) identifier.
    Type: Application
    Filed: February 16, 2022
    Publication date: June 2, 2022
    Inventors: Chenchen YANG, Huan LI, Yinghao JIN, Feng HAN
  • DATA TRANSMISSION METHOD, TERMINAL DEVICE, AND NETWORK DEVICE
    Publication number: 20220174575
    Abstract: In a data transmission method, a terminal device determines a first message, where the first message indicates that the terminal device is to move from a first network to a second network. The terminal device sends the first message to a first network device in the first network. The first network device is an access and mobility management function network element or an access network device.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Chenchen YANG, Huan LI, Yinghao JIN, Feng HAN
  • Communication method, network device, and terminal
    Patent number: 11349969
    Abstract: This application provides a communication method, a network device, and a terminal. The communication method includes: obtaining, by a first network device, a first AMBR of a PDU session, where the first AMBR is an AMBR of a flow that is served by a second network device in the PDU session, the first network device is a master node serving a terminal, and the second network device is a secondary node serving the terminal; sending, by the first network device, first information to the second network device, where the first information includes the first AMBR, so that the second network device provides, based on the first AMBR, the PDU session service for the terminal. The communication method, the network device, and the terminal provided in this application help ensure a session-level aggregate maximum rate requirement in a dual connectivity scenario.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: May 31, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng Han, Yinghao Jin, Hong Li, Wei Tan
  • THERMAL SUBSTRATE CONTACT
    Publication number: 20220165637
    Abstract: An integrated circuit includes an oxide layer over a substrate; a layer of semiconductor material over the oxide layer and which includes a P-well, an N-well, and a channel of a transistor; and a thermal substrate contact extending through the layer of semiconductor material and the oxide layer, and against a top surface of the substrate. A thermal substrate contact increases the ability to remove heat produced from the integrated circuit transistors out of the integrated circuit. A thermal substrate contact which traverses the oxide layer over a substrate provides a secondary path for heat out of an integrated circuit (or, alternatively, out of a substrate through the integrated circuit) to cool the integrated circuit.
    Type: Application
    Filed: December 15, 2020
    Publication date: May 26, 2022
    Inventors: Jian WU, Feng HAN, Shuai ZHANG
  • Communication method and communications device in centralized unit-distributed unit architecture
    Patent number: 11330645
    Abstract: Implementations of this application provide communications methods, devices, and chips. In an implementation, a method comprises: sending, by a centralized unit user plane (CU-UP) of an access network to a centralized unit control plane (CU-CP) of the access network, an interface setup request message to request to setup an E1 interface, the interface setup request message comprises an identity of a public land mobile network (PLMN) served by the CU-UP and a network slice identifier corresponding to the public land mobile network, wherein the network slice identifier identifies single network slice selection assistance information (S-NSSAI) or an S-NSSAI list; and sending, by the CU-CP, an interface setup response message to the CU-UP after receiving the interface setup request message.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: May 10, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yinghao Jin, Feng Han, Hang Zhang, Wei Tan
  • LDMOS WITH ENHANCED SAFE OPERATING AREA AND METHOD OF MANUFACTURE
    Publication number: 20220140140
    Abstract: An integrated circuit comprising an n-type drift region, a gate structure directly on a first portion of the n-type drift region, a drain structure formed in a second portion of the n-type drift region, the gate structure and the drain structure being separated by a drift region length, a resist protective oxide (RPO) formed over a portion of the n-type drift region between the gate structure and the drain structure, a field plate contact providing a direct electrical connection to the resist protective oxide.
    Type: Application
    Filed: February 17, 2021
    Publication date: May 5, 2022
    Inventors: Lianjie LI, Feng HAN, Jian-Hua LU, YanBin LU, Shui Liang CHEN
  • A KIND OF MONITORING METHOD FOR DRINKING BEHAVIOR OF LABORATORY MICE, AND ITS SYSTEM AND DEVICE
    Publication number: 20220129427
    Abstract: The embodiment of the present invention discloses a kind of monitoring method for drinking behavior of laboratory mice, and its system and device, and thus obtains raw data of the drinking behavior of mice, and then stores the raw data; as well as conducts data filtering on the raw data to filter out false data of jitter from the raw data, wherein, the false data of jitter consists of the data triggered by measurement signal transient and jitter caused by accidentally touch of the mice body, and their exploratory action; and then completes index statistics and analysis of the raw data filtered out false data of jitter, and thus forms indicator data, as well as stores the indicator data; after that, the indicator data is displayed in classification of real-time data, historical data and report data.
    Type: Application
    Filed: January 3, 2020
    Publication date: April 28, 2022
    Inventors: Qigang Zhou, Chunyu Yin, Dongya Zhu, Feng Han, Liandi Li, Peijin Xu
  • DATA DELIVERY STATUS INDICATING METHOD AND APPARATUS
    Publication number: 20220123868
    Abstract: This application provides a data delivery status indicating method and an apparatus, to effectively indicate a data delivery status, facilitate more accurate flow control, and save transmission resources. A communication method is provided. The method includes a first network node sends data to a terminal device. The first network node sends first indication information and second indication information to a second network node. The first indication information indicated information about a highest sequence number (SN) successfully delivered in sequence in the data. The second indication information indicates information about an SN that is delivered after the highest SN.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Feng Han, Liwei Qiu, Xudong Yang, Yinghao Jin, Wei Tan
  • Communication method, access network device, core network device, and user equipment
    Patent number: 11310708
    Abstract: Embodiments of the present invention provide a communication method, an access network device, a core network device, and user equipment. One example method includes: sending, by a core network device, a handover request to an access network device, wherein the handover request comprises first information, and the first information comprises an identifier of allowed network slice selection assistance information (NSSAI); and sending, by the access network device, a handover request acknowledgement to the core network device.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: April 19, 2022
    Assignee: Honor Device Co., Ltd.
    Inventors: Feng Han, Yinghao Jin, Hong Li, Wei Tan
  • Communication method, access network device, and core network device
    Patent number: 11290932
    Abstract: Example communication methods and apparatus are described. One example method includes sending a first handover request by a source base station to a core network device, where the first handover request is used to request to hand over a current session of a terminal from the source base station to any one of at least one base station, and the first handover request includes information about the at least one base station. The source base station receives a first handover response message from the core network device, where the first handover response message includes indication information, and the indication information is used to indicate whether a first base station of the at least one base station supports a network slice corresponding to the current session of the terminal device.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 29, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yinghao Jin, Feng Han, Hong Li
  • Wireless network access control method and apparatus
    Patent number: 11291039
    Abstract: The present invention discloses a wireless network access control method and an apparatus. The method includes: configuring, by a wireless network, an independent access control parameter for each network slice, so as to implement differential access control, by the network, on access to different network slices that is initiated by a terminal device. In addition, a core network or a radio access network initiates network slice overload control or a network slice access control parameter adjustment based on resource usage of each network slice in the network. By separately controlling and adjusting the access control parameter of each network slice, it is ensured that impact between network slices is minimized.
    Type: Grant
    Filed: February 10, 2019
    Date of Patent: March 29, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Feng Han, Hong Li, Yinghao Jin, Wenqi Sun
  • Communication Method and Communications Device
    Publication number: 20220086688
    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: Application
    Filed: September 28, 2021
    Publication date: March 17, 2022
    Inventors: Yinghao Jin, Feng Han, Hong Li
  • SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
    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
  • METHOD OF MANUFACTURING A SUPER JUNCTION STRUCTURE AND SUPER JUNCTION STRUCTURE
    Publication number: 20220069074
    Abstract: A super junction structure includes a substrate, wherein the substrate has a first conductivity type. The super junction structure includes an epitaxial layer over the substrate, wherein the epitaxial layer has a second conductivity type opposite the first conductivity type. The super junction structure further includes a bury layer between the epitaxial layer and the substrate, wherein the bury layer has the second conductivity type. The super junction structure further includes a conductive pillar in the epitaxial layer, wherein the conductive pillar has the first conductivity type, sidewalls of the conductive pillar are angled with respect to a top-most surface of the epitaxial layer, a bottom surface of the conductive pillar is rounded, and a top-most surface of the conductive pillar is coplanar with the top-most surface of the epitaxial layer.
    Type: Application
    Filed: November 9, 2021
    Publication date: March 3, 2022
    Inventors: Shuai ZHANG, Feng HAN, Jian WU, Lian-Jie LI, Zhong-Hao CHEN
  • Communication methods, apparatuses, and systems for managing quality of service flows
    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
  • Random access methods and apparatus
    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