Patents by Inventor Fu Cheng

Fu Cheng 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: 20240282838
    Abstract: A device includes: a stack of nanostructures; a gate structure that wraps around the nanostructures; an isolation region between the stack of nanostructures and another stack of nanostructures adjacent thereto along a first direction; a source/drain region that abuts at least one of the nanostructures; and a spacer layer that is on sidewalls of the gate structure and on sidewalls of the source/drain region, the spacer layer covering an area between the source/drain region and a neighboring source/drain region of another transistor along the first direction.
    Type: Application
    Filed: June 28, 2023
    Publication date: August 22, 2024
    Inventors: Jung-Hung CHANG, Tsung-Han CHUANG, Fu-Cheng CHANG, Shih-Cheng CHEN, Chia-Cheng TSAI, Kuo-Cheng CHIANG
  • Publication number: 20240284368
    Abstract: The scheduling flexibility of CSI reference signals enables time and frequency synchronization using multiple non-zero CSI-RSs transmitted in the same subframe, or using CSI-RSs transmitted in the same subframe with other synchronization signals. Also, multiple synchronization signals may be scheduled in the same subframe to enable fine time and frequency synchronization without cell-specific reference signals.
    Type: Application
    Filed: April 29, 2024
    Publication date: August 22, 2024
    Inventors: Havish Koorapaty, Mattias Frenne, Daniel Larsson, Jiann-Ching Guey, Jung-Fu Cheng
  • Patent number: 12068864
    Abstract: A wireless device receives downlink control information (DCI) from a network node, determines a physical downlink shared channel (PDSCH) group based on information in the received DCI, and transmits a hybrid automatic repeat request acknowledgement (HARQ-ACK) report to the network node based on the determined PDSCH group.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: August 20, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Reem Karaki, Johan Rune, Yuhang Liu, Sorour Falahati, Havish Koorapaty, Jung-Fu Cheng
  • Patent number: 12063671
    Abstract: Systematic size matching procedures for downlink control information, DCI, provide exact instructions on how DCI size matching is to be performed in a NR wireless system, to meet predetermined limits for how many different DCI sizes may be monitored by a user equipment, UE. With these procedures, consistent and exact DCI size matching can be performed while keeping blind decoding procedures manageable, ensuring common understanding of DCI contents between the UE and the network.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: August 13, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Xingqin Lin, Stefan Parkvall, Jung-Fu Cheng, Jianwei Zhang
  • Patent number: 12052777
    Abstract: A system and method for providing time domain allocations in a communication system. In an embodiment, an apparatus operable in a communication system and including processing circuitry is configured to receive an indication of a time domain allocation in downlink control information associated with a radio network temporary identifier (“RNTI”) identifying the apparatus, and employ the time domain allocation associated with the RNTI for transmissions associated with the apparatus. In another embodiment, an apparatus operable in a communication system and including processing circuitry is configured to associate a time domain allocation with a RNTI identifying a user equipment, and provide an indication of the time domain allocation in downlink control information to allow the user equipment to employ the time domain allocation associated with the RNTI for transmissions associated therewith.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: July 30, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jianwei Zhang, Stefan Parkvall, Fredrik Ovesjö, Zhipeng Lin, Jingya Li, Xingqin Lin, Jung-Fu Cheng, Robert Baldemair, Asbjörn Grövlen, Mattias Frenne
  • Publication number: 20240250850
    Abstract: A method of performing channel estimation for a radio channel between a transmitter and a receiver of a radio access network, RAN comprises the step of performing an initial channel estimation (204) of the radio channel for each of a plurality of frequency ranges (502), based on a radio signal received on the radio channel from the transmitter, the radio signal comprising a signal sequence (510) out of the set of signal sequences (510) in each of the frequency ranges (502), to obtain an initial channel estimate (504) for each frequency range (502), and applying a filter (206) to the initial channel estimates (504) for the frequency ranges (502), a length (508) of the filter (206) in the frequency domain being greater than lengths of the frequency ranges (502), to obtain a filtered channel estimate (506) for all subcarriers (406) in the respective one of the frequency ranges (502).
    Type: Application
    Filed: May 13, 2022
    Publication date: July 25, 2024
    Inventors: Gustav Almquist, Jung-Fu Cheng, Stephen Grant
  • Publication number: 20240237962
    Abstract: In an embodiment, a method (200) is described. The method comprises receiving (202) an indication of a weight on a moveable support (106) of a couch assembly (100). The moveable support is moveable relative to a couch frame (110) of the couch assembly. The method further comprises determining (204) a horizontal shift of the couch frame relative to an imaging apparatus (102) associated with the couch assembly based on a shift model indicative of the horizontal shift as a function of: the indicated weight on the moveable support; and a horizontal position of the moveable support relative to the couch frame.
    Type: Application
    Filed: July 8, 2022
    Publication date: July 18, 2024
    Inventors: XIN X JIANG, CHENG BO YAO, QI FU CHENG
  • Patent number: 12041666
    Abstract: The disclosed embodiments relate to a method performed by an apparatus and also relate to an apparatus. The method includes transmitting to a communication device a burst including a subframe; receiving from the communication device a HARQ values associated with the subframe; and determining a random backoff contention window size based on the received HARQ values and also based on previously unused HARQ feedbacks. The apparatus is configured to perform the method steps described above.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: July 16, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jung-Fu Cheng, Sorour Falahati, Du Ho Kang, Havish Koorapaty, Daniel Larsson, Amitav Mukherjee
  • Patent number: 12040222
    Abstract: The present disclosure describes a method of fabricating a semiconductor structure that includes forming a dummy gate structure over a substrate, forming a first spacer on a sidewall of the dummy gate structure and a second spacer on the first spacer, forming a source/drain structure on the substrate, removing the second spacer, forming a dielectric structure over the source/drain structure, replacing the dummy gate structure with a metal gate structure and a capping structure on the metal gate structure, and forming an opening in the dielectric structure. The opening exposes the source/drain structure. The method further includes forming a dummy spacer on a sidewall of the opening, forming a contact structure in the opening, and removing the dummy spacer to form an air gap between the contact structure and the metal gate structure. The contact structure is in contact with the source/drain structure in the opening.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: July 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Meng-Yu Lin, Chun-Fu Cheng, Chung-Wei Wu, Zhiqiang Wu
  • Publication number: 20240237002
    Abstract: Performing an unscheduled uplink transmission by a user equipment (UE) in an unlicensed portion of a radio spectrum, the method comprising: performing, by the UE, a listen before talk (LBT) operation in the unlicensed portion of the radio spectrum, wherein the LBT operation includes sensing the portion of the radio spectrum for a pre-determined minimum amount of time for traffic; and performing, if no traffic was sensed, the unscheduled uplink transmission, by the UE, of data in an unscheduled mode of operation for at least one transmission burst.
    Type: Application
    Filed: March 25, 2024
    Publication date: July 11, 2024
    Inventors: Evanny Obregon, Jung-Fu Cheng, Amitav Mukherjee, Reem Karaki, Du Ho Kang
  • Patent number: 12034044
    Abstract: Embodiments of the present disclosure relate to forming a nanosheet multi-channel device with an additional spacing layer and a hard mask layer. The additional spacing layer provides a space for an inner spacer above the topmost channel. The hard mask layer functions as an etch stop during metal gate etch back, providing improve gate height control.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: July 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shin-Jiun Kuang, Meng-Yu Lin, Chun-Fu Cheng, Chung-Wei Wu
  • Patent number: 12027775
    Abstract: An antenna array system and a method for making the antenna system. The system includes at least two antenna elements serving as transmitter elements, and at least two antenna elements serving as receiver elements. Each of the transmitter antenna and receiver antenna elements include a pair of curved arms, wherein a first arm in the pair of curved arms is configured to be connected from a signal trace of the antenna system. The second arm in the pair of curved arms is configured to be connected to a ground plane.
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: July 2, 2024
    Assignee: Tensorcom, Inc.
    Inventor: Guang-Fu Cheng
  • Patent number: 12022462
    Abstract: A method performed by a wireless device 410 is provided for receiving an uplink scheduling grant for a plurality of physical uplink shared channels (PUSCHs). The method includes receiving, from a network node 460, downlink control information (DCI). The DCI includes an indication corresponding to at least a time domain resource for each of the plurality of PUSCHs. Based on the indication, uplink scheduling grant resources are determined for the plurality of PUSCHs. At least one transmission is sent according to the determined uplink scheduling grant resources.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: June 25, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Reem Karaki, Jung-Fu Cheng, Tai Do, Stephen Grant
  • Patent number: 12021639
    Abstract: Methods of operation of a wireless device are provided. In particular, Media Access Control (MAC) protocol aspects are disclosed relating to Licensed Assisted Access (LAA) cells and, more generally, to cells of a cellular communications network operating in an unlicensed frequency spectrum. According to one aspect, a method of operation of a wireless device comprises transmitting an Uplink (UL) transmission on a cell for a corresponding UL Hybrid Automatic Repeat Request (HARQ) process, the cell operating in an unlicensed frequency spectrum, and setting a locally maintained status for the UL HARQ process to Acknowledgement (ACK) based on an assumption that the UL transmission was successful.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: June 25, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Henning Wiemann, Mattias Bergström, Jung-Fu Cheng, Oskar Drugge, Havish Koorapaty, Henrik Sahlin, Yu Yang
  • Patent number: 12017342
    Abstract: A robot gripper for moving wafer carriers and packing materials and a method of operating the same are provided. The gripper mechanism has two clamp assemblies, each with a support pin at the bottom. The clamps are configured to move towards or away from each other, and the support pins are configured to move relative to the clamp assemblies. The first clamp assembly has a main clamp and a secondary clamp with a protrusion, while the second clamp assembly has a similar configuration.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: June 25, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chien-Fa Lee, Feng-Kuang Wu, Fu-Cheng Hung, Chi-Wei Chen, Chih-Hua Chen
  • Publication number: 20240205057
    Abstract: According to some embodiments, a method performed by a wireless device comprises receiving a wireless signal Rk over all subcarriers allocated to the wireless device. The signal Rk comprises a phase tracking reference signal (PT-RS) on a subset of subcarriers allocated to the wireless device and the subset comprises at least one non-contiguous subcarrier. The method further comprises computing a de-inter-carrier interference (ICI) filter based on the PT-RS and a channel estimate using a convolutional matrix CR of the received signal Rk and applying the de-ICI filter to the received signal Rk to generate a de-ICI filtered signal.
    Type: Application
    Filed: December 23, 2023
    Publication date: June 20, 2024
    Inventors: Dennis Hui, Mehrnaz Afshang, Jung-Fu Cheng, Stephen Grant
  • Patent number: 12011868
    Abstract: A method of producing high modulus and strength polymer materials includes compressive rolling a semicrystalline polymer material in at least two different axial directions of the material; and axially orienting at least a portion of the compressive rolled material to a draw ratio less than the ultimate elongation or the elongation % at break of the material.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: June 18, 2024
    Assignee: CASE WESTERN RESERVE UNIVERSITY
    Inventors: Eric Baer, Andrew Olah, Cong Zhang, Gary Wnek, Nathan McMullen, Chung-Fu Cheng
  • Patent number: 12015478
    Abstract: A method performed by a network entity in which the method includes transmitting or receiving a transmission of data, wherein the transmission is scheduled with a Modulation and Coding Scheme, MCS, level indicated by an MCS index, IMCS, and wherein the transmitting or receiving is based on a first condition being used for a first subset of MCS levels being a subset of all possible MCS levels.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: June 18, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Ajit Nimbalker, Jung-Fu Cheng
  • Publication number: 20240189243
    Abstract: A lipid compound or a derivative thereof and a pharmaceutical composition employing the same are provided. The lipid compound has a structure represented by Formula (I): wherein Z1, Z2, Z3 and Z4 are as disclosed in the specification.
    Type: Application
    Filed: November 13, 2023
    Publication date: June 13, 2024
    Applicant: Industrial Technology Research Institute
    Inventors: Felice Cheng, Ping-Fu Cheng, Jenn-Tsang Hwang, Chih-Wei Fu, Ku-Feng Lin, Ya-Ling Chiu, Jheng-Sian Li, Kang-Li Wang, Siou-Han Chang, Chia-Yu Fan
  • Patent number: 12009408
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes channel members vertically stacked over a substrate, a gate structure engaging the channel members, a gate spacer layer disposed on sidewalls of the gate structure, an epitaxial feature abutting the channel members, an inner spacer layer interposing the gate structure and the epitaxial feature, and a semiconductor layer interposing the inner spacer layer and the epitaxial feature.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: June 11, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wei Ju Lee, Chun-Fu Cheng, Chung-Wei Wu, Zhiqiang Wu