Patents by Inventor CHIAO YAO CHUANG

CHIAO YAO CHUANG 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: 12356352
    Abstract: Various solutions for physical random access channel (PRACH) timing advance operation and PRACH configurations with respect to user equipment and network apparatus are described. An apparatus may determine a propagation delay between the apparatus and a network node. The apparatus may determine a pre-compensation timing margin. The apparatus may perform a timing advance pre-compensation according to the propagation delay and the pre-compensation timing margin. The apparatus may transmit an uplink signal by applying the timing advance pre-compensation.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: July 8, 2025
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Abdelkader Medles, Gilles Charbit, Chiao-Yao Chuang
  • Publication number: 20250175900
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device transmits, to an ambient Internet of Things (A-IoT) device, a downlink (DL) signal and validation information. The reader device receives, from the A-IoT device, a unique electronic product code (EPC) after the A-IoT device has validated the validation information. The reader device transmits, to the A-IoT device, a confirmation message in response to successful reception of the EPC from the A-IoT device.
    Type: Application
    Filed: November 21, 2024
    Publication date: May 29, 2025
    Inventors: Chien-Chun CHENG, Chiao-Yao Chuang, Wei-De Wu, CHIOU-WEI TSAI, Tai-Cheng Tsai
  • Publication number: 20250175901
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device sends a communication initiation signal to an ambient Internet of Things (A-IoT) device. The reader device receives charging status information from the A-IoT device. The reader device adjusts a behavior based on the charging status information.
    Type: Application
    Filed: November 8, 2024
    Publication date: May 29, 2025
    Inventors: Chien-Chun CHENG, Chiao-Yao Chuang, Wei-De Wu, CHIOU-WEI TSAI, Tai-Cheng Tsai
  • Publication number: 20250175905
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader device. The reader device transmits an incident signal to an ambient internet of things (A-IoT) device. The reader device receives a response from the A-IoT device. The reader device adjusts a power of the incident signal based on a status of the response such that the power of the incident signal is at a level sufficient for communication with the A-IoT device while controlling interference with other devices.
    Type: Application
    Filed: November 21, 2024
    Publication date: May 29, 2025
    Inventors: Chien-Chun CHENG, Chiao-Yao Chuang, Wei-De Wu, Chiou-Wei Tsai, Tai-Cheng Tsai
  • Publication number: 20250150507
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader. The reader broadcasts a radio signal indicating an available slot set. The reader transmits an acknowledge (ACK) signal including a decoded sequence to an ambient internet of things (A-IoT) device. The reader receives an identifier from the A-IoT device. The identifier is a reply of the A-IoT device when there is a match between the decoded sequence and a chosen sequence, and the chosen sequence is a random sequence that responds to the radio signal in a random slot chosen from the available slot set.
    Type: Application
    Filed: October 29, 2024
    Publication date: May 8, 2025
    Inventors: Chien-Chun CHENG, Chiao-Yao Chuang, Wei-DE Wu, CHIOU-WEI TSAI, Tai-Cheng Tsai
  • Publication number: 20250142522
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a reader. The reader receives a response signal set that responds to a radio signal, from an ambient internet of things (A-IoT) device set, a response signal in the response signal set being modulated by a corresponding A-IoT device in the A-IoT device set to include an identification of the corresponding A-IoT device. The reader identifies the corresponding A-IoT device based on the identification of the corresponding A-IoT device, and performs measurement for a positioning parameter. The reader executes a positioning related operation based on the identified A-IoT device and the measurement for the positioning parameter.
    Type: Application
    Filed: October 18, 2024
    Publication date: May 1, 2025
    Inventors: Chien-Chun CHENG, Chiao-Yao Chuang, Wei-De Wu, Chiou-Wei Tsai, Tai-Cheng Tsai
  • Publication number: 20250112732
    Abstract: A method can include receiving a system frame number (SFN) from a base station by a first relay UE, determining a timeline of the SFN based on one or more synchronization signals by the first relay UE, determining a timeline of a direct frame number (DFN) based on a reference time source by the first relay UE, computing an SFN-DFN offset based on the difference between the timeline of the SFN and the timeline of the DFN by the first relay UE, and transmitting the SFN-DFN offset and the DFN to a receiving UE on a sidelink interface.
    Type: Application
    Filed: May 9, 2023
    Publication date: April 3, 2025
    Inventors: Nathan Edward TENNY, Xuelong WANG, Tao CHEN, Chiao-Yao CHUANG
  • Publication number: 20250080296
    Abstract: Various solutions for slot aggregation design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a demodulation reference signal (DMRS) time bundling configuration. The apparatus may determine a duration interval of the DMRS time bundling configuration. The apparatus may perform phase continuity cross slots of same aggregated slots transmitted in the NTN communications based on the duration interval.
    Type: Application
    Filed: November 17, 2024
    Publication date: March 6, 2025
    Inventors: Abdelkader Medles, Gilles Charbit, Chiao Yao Chuang
  • Publication number: 20250052878
    Abstract: Various solutions for an artificial intelligence/machine learning (AI/ML) positioning model using relative time input with respect to an apparatus in mobile communications are described. The apparatus may measure a first channel delay profile with a first path timing according to a first reference signal associated with a first network node. The apparatus may adjust the first path timing by a timing difference associated with a reference network node. The apparatus may: (1) generate a model output by a positioning model based on the first channel delay profile with the adjusted first path timing used as model inputs; or (2) report the first channel delay profile with the adjusted first path timing to a network.
    Type: Application
    Filed: August 5, 2024
    Publication date: February 13, 2025
    Inventors: Mingwei Jie, Pengli Yang, Rao Dai, Chiao-Yao Chuang, Xuancheng Zhu
  • Patent number: 12177150
    Abstract: Various solutions for slot aggregation design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a demodulation reference signal (DMRS) time bundling configuration. The apparatus may determine a duration interval of the DMRS time bundling configuration. The apparatus may perform channel estimation cross slots based on the duration interval.
    Type: Grant
    Filed: December 14, 2023
    Date of Patent: December 24, 2024
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Abdelkader Medles, Gilles Charbit, Chiao Yao Chuang
  • Publication number: 20240414680
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE receives, from a serving base station of the UE, an SRS configuration. The UE transmits a first SRS and a second SRS in accordance with the SRS configuration. The UE sends, to a network, (a) an indication of a respective TX RF chain of the UE associated with each of the first SRS and the second SRS or (b) an indication of a timing delay error level of the respective TX RF chain associated with each of the first SRS and the second SRS.
    Type: Application
    Filed: January 26, 2022
    Publication date: December 12, 2024
    Inventor: Chiao-Yao CHUANG
  • Publication number: 20240381303
    Abstract: Various solutions for improving positioning by data augmentation for artificial intelligence/machine learning (AI/ML) positioning with respect to an apparatus in mobile communications are described. The apparatus may obtain a data input sample. The apparatus may perform a data augmentation to generate an augmented training data based on the data input sample. The apparatus may perform a model training on a positioning model based on the augmented training data. The apparatus may determine a position information of the apparatus by the positioning model.
    Type: Application
    Filed: May 2, 2024
    Publication date: November 14, 2024
    Inventors: Pengli Yang, Mingwei Jie, Chiao-Yao Chuang, Xuancheng Zhu
  • Publication number: 20240334374
    Abstract: Various solutions for improving model performance monitor mechanism for artificial intelligence/machine learning (AI/ML) positioning with respect to an apparatus in mobile communications are described. The apparatus may receive model monitoring data from a network node. The apparatus may generate a model output by a positioning model based on the model monitoring data used as a model input. The apparatus may determine a model monitoring result based on the model output or transmit the model output to the network node.
    Type: Application
    Filed: March 26, 2024
    Publication date: October 3, 2024
    Inventors: Pengli Yang, Mingwei Jie, Chiao-Yao Chuang, Xuancheng Zhu, Ye Huang
  • Publication number: 20240195489
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines multiple uplink measurement occasions for transmitting multiple reference signals to a satellite in a non-terrestrial network (NTN). The UE generates, based on Global Navigation Satellite System (GNSS) location data of the UE and ephemeris data of the satellite, multiple timing advance (TA) reports that are linked to the multiple uplink measurement occasions, respectively. The UE transmits the multiple TA reports to the satellite at multiple time points. The UE transmits the multiple uplink reference signals to the satellite on the uplink measurement occasions.
    Type: Application
    Filed: December 8, 2023
    Publication date: June 13, 2024
    Inventors: Gilles Charbit, Abdelkader Medles, Chiao-Yao Chuang
  • Publication number: 20240147500
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a first UE. The first UE transmits sidelink control information to one or more second UEs. The sidelink control information includes an indication of a first resource reserved for transmitting first sidelink positioning reference signals (SL-PRSs) from the first UE to the one or more second UEs. The sidelink control information includes an indication requesting the one or more second UEs to transmit second SL-PRSs to the first UE in response to receiving the first SL-PRSs from the first UE. The first UE transmits the first SL-PRSs on the first resource to the one or more second UEs.
    Type: Application
    Filed: October 23, 2023
    Publication date: May 2, 2024
    Inventor: Chiao-Yao Chuang
  • Publication number: 20240129880
    Abstract: Various solutions for enhancements on integer cycle report for carrier phase positioning are described. An apparatus may receive a positioning reference signal (PRS) from a first network node of a wireless network. The apparatus may measure a carrier phase associated with a delay path and a transmission frequency point of the PRS. Then, the apparatus may report the carrier phase to a second network node of the wireless network.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 18, 2024
    Inventors: Xiao Liang, Chiao-Yao Chuang, Jijian Chen, Pengli Yang, Xuancheng Zhu
  • Publication number: 20240121731
    Abstract: Various solutions for supporting automatic gain control (AGC) symbol for sidelink positioning reference signal (SL-PRS) reception in mobile communications are described. Reception user equipment (Rx UE) may receive a first configuration for an SL-PRS resource. Rx UE may receive one AGC symbol for the SL-PRS resource. Rx UE may receive the SL-PRS resource based on the first configuration. A reference signal in the AGC symbol and an SL-PRS in a last SL-PRS symbol of the SL-PRS resource correspond to a same set of one or more subcarriers.
    Type: Application
    Filed: September 25, 2023
    Publication date: April 11, 2024
    Inventor: Chiao-Yao Chuang
  • Publication number: 20240113829
    Abstract: Various solutions for slot aggregation design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a demodulation reference signal (DMRS) time bundling configuration. The apparatus may determine a duration interval of the DMRS time bundling configuration. The apparatus may perform channel estimation cross slots based on the duration interval.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Inventors: Abdelkader Medles, Gilles Charbit, Chiao Yao Chuang
  • Publication number: 20240089884
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE measures, at a baseband, a UE RX-TX time difference at-baseband. The UE compensates the UE RX-TX time difference at-baseband to estimate a UE RX-TX time difference at-antenna. The UE sends, to a network, the UE RX-TX time difference at-antenna with an indication that reference points are at antennas and an indication of a TX chain, or a timing delay error level of the TX chain, intended to be used by the UE during the measuring or the compensating.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 14, 2024
    Inventor: Chiao-Yao CHUANG
  • Publication number: 20240089056
    Abstract: Various solutions for transmission of sidelink-positioning reference signal (SL-PRS) with respect to user equipment in mobile communications are described. Transmission user equipment (Tx UE) may determine an SL-PRS configuration. The SL-PRS configuration includes resource reservation information and a sequence identifier. Tx UE may transmit the SL-PRS configuration to at least one reception user equipment (Rx UE). The sequence identifier is transmitted through a data channel. The resource reservation information is transmitted through the data channel or a control channel.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 14, 2024
    Inventor: Chiao-Yao Chuang