Patents by Inventor Wei-De Wu

Wei-De Wu 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: 20220174616
    Abstract: Aspects of the disclosure further provide various apparatuses and methods for wireless communications. One apparatus includes processing circuitry that when a first uplink transmission on a source cell and a second uplink transmission on a target cell overlap in a frequency domain, determines whether the first uplink transmission on the source cell and the second uplink transmission on the target cell are in overlapping time resources. When the first uplink transmission on the source cell and the second uplink transmission on the target cell are in the overlapping time resources, the processing circuitry cancels the first uplink transmission on the source cell and performs the second uplink transmission on the target cell.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Applicant: MEDIATEK INC.
    Inventors: Chi-Hsuan HSIEH, Wei-De WU
  • Patent number: 11317351
    Abstract: Aspects of the disclosure provide an electronic device including processing circuitry and a method for beam management (BM) with power saving. The processing circuitry can receive a reference signal from a network via a serving beam pair used for downlink (DL) transmission between the network and an electronic device. The serving beam pair can include a serving transmission (Tx) beam transmitted from the network and a serving reception (Rx) beam received by the electronic device. The processing circuitry can determine a signal quality of the reference signal. When the signal quality is determined to satisfy a power saving condition, the processing circuitry can reduce beam measurements in the BM for beam pairs including Tx beams transmitted from the network and respective Rx beams received by the electronic device. The beam pairs can include the serving beam pair and one or more candidate beam pairs.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: April 26, 2022
    Assignee: MEDIATEK INC.
    Inventors: Chi-Hsuan Hsieh, Wei-De Wu
  • Patent number: 11297574
    Abstract: A UE receives one or more modulation symbols on one or more resource elements prior to an ON duration in a particular DRX cycle in RRC connected mode. The one or more resource elements are allocated to carry a wake-up signal. The UE performs a blind detection of the wake-up signal on the one or more modulation symbols in accordance with a DCI format and a group identifier identifying a group of UEs including the UE. The wake-up signal includes an indication that indicates whether one or more UEs of the group of UEs should monitor a down link control channel in the ON duration. The UE determines whether to operate in a normal state and monitor a down link control channel in the ON duration based on the wake-up signal when the wake-up signal is detected.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: April 5, 2022
    Assignee: MEDIATEK INC.
    Inventors: Yi-Ju Liao, Wei-De Wu
  • Publication number: 20220104044
    Abstract: Methods are proposed for UE to perform radio link monitoring (RLM) and beam failure detection (BFD) measurements in a relaxed measurement state with an extended evaluation period for power saving. Different criteria for UE to enter and exit the relaxed RLM/BFD measurement state are proposed. In relaxed measurement state, UE can perform RLM/BFD measurements with an extended evaluation period by a scaling factor K when the serving cell quality is higher than a threshold and/or when the serving cell quality variation is lower than a threshold within a time period.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 31, 2022
    Inventors: Din-Hwa Huang, Tsang-Wei Yu, Hsuan-Li Lin, Wei-De Wu
  • Patent number: 11284359
    Abstract: Aspects of the disclosure further provide various apparatuses and methods for wireless communications. One apparatus includes processing circuitry that can determine a first transmission power for a first uplink transmission associated with the source cell and a second transmission power for a second uplink transmission associated with the target cell. When the first uplink transmission and the second uplink transmission overlap in time domain and a total power of the first transmission power and the second transmission power is above a first threshold, the processing circuitry reduces the first transmission power for the first uplink transmission to a third transmission power so that a total power of the second transmission power and the third transmission power is equal to or less than the first threshold. The processing circuitry performs the first uplink transmission at the third transmission power and the second uplink transmission at the second transmission power.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: March 22, 2022
    Assignee: MEDIATEK INC.
    Inventors: Chi-Hsuan Hsieh, Wei-De Wu
  • Publication number: 20220070783
    Abstract: Aspects of the disclosure provide a method and an apparatus for monitoring a paging occasion (PO). For example, the apparatus can include receiving circuitry and processing circuitry. The receiving circuitry can be configured to receive an SS block burst set including a sequence of SS blocks that are each associated with a paging early indicator indicating whether a paging massage is presented in at least one PO that comes later than the SS block burst set. The processing circuitry can be configured to monitor the at least one PO for the paging message when the paging early indicator indicates that the paging message is presented in the at least one PO, and enter a sleep state without monitoring the at least one PO when the paging early indicator indicates that the paging message is not presented in the at least one PO.
    Type: Application
    Filed: April 22, 2020
    Publication date: March 3, 2022
    Inventors: Chi-Hsuan HSIEH, Jianwei ZHANG, Nien-En WU, Wei-De WU
  • Publication number: 20220045784
    Abstract: Examples pertaining to additional bit freezing for polar coding are described. An apparatus performs polar coding to encode a plurality of input subblocks of information bits, frozen bits and optional cyclic redundancy check (CRC) bits to generate a plurality of subblocks of coded bits. The apparatus then transmits at least some of the subblocks of coded bits. In performing the polar coding, the apparatus additionally freezes one of the plurality of input subblocks corresponding to one of the interleaved plurality of subblocks of coded bits which decreases polarization gain due to puncturing.
    Type: Application
    Filed: July 1, 2021
    Publication date: February 10, 2022
    Inventors: Tun-Ping Huang, Wei-De Wu, Mao-Ching Chiu, Chia-Wei Tai, Tien-Yu Lin
  • Patent number: 11228976
    Abstract: Various solutions for power saving for New Radio (NR) carrier aggregation in mobile communications are described. An apparatus receives, from a wireless network, a trigger signal. The apparatus switches between a first bandwidth part (BWP) and a second BWP of at least two BWPs for a secondary cell (SCell) in response to receiving the trigger signal. No physical downlink control channel (PDCCH) monitoring is configured for the first BWP while PDCCH monitoring is configured for the second BWP.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: January 18, 2022
    Inventors: Wei-De Wu, Yi-Ju Liao, Chi-Hsuan Hsieh
  • Publication number: 20220014308
    Abstract: Examples pertaining to re-transmission cyclic redundancy check (CRC) for polar coding incremental-redundancy hybrid automatic repeat request (IR-HARQ) are described. An apparatus (e.g., UE) encodes a plurality of information bits using a polar code to generate a polar code block (CB). The apparatus performs one or more transmissions of the polar CB using hybrid automatic repeat request (HARQ) by performing an initial transmission of the polar CB and performing a re-transmission of the polar CB with a re-transmission cyclic redundancy check (ReTX CRC).
    Type: Application
    Filed: July 6, 2021
    Publication date: January 13, 2022
    Inventors: Tun-Ping Huang, Mao-Ching Chiu, Wei-De Wu, Chia-Wei Tai, Tien-Yu Lin, Tao Chen
  • Publication number: 20220014211
    Abstract: Examples pertaining to bit selection for polar coding incremental-redundancy hybrid automatic repeat request (IR-HARQ) are described. An apparatus (e.g., UE) generates a re-transmission polar code block (CB) in a polar incremental redundancy HARQ (IR-HARQ) procedure. The apparatus then transmits the re-transmission polar CB as a re-transmission of an initial transmission of an initial polar code carrying a plurality of information bits. In generating the re-transmission polar CB, the apparatus selects one or more re-transmission information bits from the plurality of information bits.
    Type: Application
    Filed: June 9, 2021
    Publication date: January 13, 2022
    Inventors: Tun-Ping Huang, Mao-Ching Chiu, Wei-De Wu, Chia-Wei Tai, Tien-Yu Lin
  • Publication number: 20210410128
    Abstract: A method of supporting active bandwidth part (BWP) switching under carrier aggregation (CA) is proposed. To avoid longer switching delay and multiple interruptions in other component carriers (CCs)/cells, the starting time of the later active BWP switching in one cell should fall outside the switching delay of the earlier active BWP switching in another cell. If the later active BWP switching is DCI-based, then the network should schedule the later active BWP switching outside the switching delay of the earlier active BWP switching. If the later active BWP switching is timer-based, then the UE should not perform the later active BWP switching until the earlier active BWP switching is completed.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Pei-Kai Liao, Wei-De Wu, Jia-Hong Syu
  • Patent number: 11197338
    Abstract: A UE in a wireless network performs RRM measurements according to power saving schemes. The UE receives Synchronization Signal Blocks (SSBs), which are broadcast periodically from a base station to a cell served by the base station, and receives additional signal blocks transmitted periodically from the base station. The additional signal blocks and the SSBs use different time-and-frequency resources. The UE performs an RRM measurement according to information received within an RRM measurement window including at least one of the additional signal blocks and a corresponding one of the SSBs. Additionally or alternatively, the UE performs RRM measurements on SSBs with a first cycle period equal to a Discontinuous Reception (DRX) cycle period. In response to an indication that a predefined condition for the RRM measurements is satisfied, the UE performs the RRM measurements with a second cycle period which is at least two times of the first cycle period.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: December 7, 2021
    Assignee: MediaTek Inc.
    Inventors: Chi-Hsuan Hsieh, Wei-De Wu, Din-Hwa Huang, Kuan-Lin Chen
  • Publication number: 20210345294
    Abstract: A User Equipment (UE) de-multiplexes a paging indication, which precedes a Synchronization Signal Block (SSB) in time and is generated using the same sequence generation formula as that for generating a Secondary Synchronization Signal (SSS) in the SSB. From the de-multiplexed paging indication, the UE detects that it is paged for message reception and wakes up to receive the message in a next data reception period of the UE's DRX cycle.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Inventors: Chi-Hsuan Hsieh, Wei-De Wu, Yung-Hsiang Liu
  • Publication number: 20210320778
    Abstract: A method for enhancing Bandwidth Part (BWP) operation towards Secondary Cell (SCell) dormancy indication is proposed. A User Equipment (UE) detects a Downlink Control Information (DCI) format including an SCell dormancy indication that indicates an active BWP change for a serving cell. The UE performs BWP switching for the serving cell in response to the DCI format. The UE stops transmission or reception in the serving cell during a time duration from a slot containing a last symbol of the DCI format, wherein the time duration includes a first period of time of delay for the BWP switching and a second period of time of interruption to other active serving cells.
    Type: Application
    Filed: March 11, 2021
    Publication date: October 14, 2021
    Inventors: Chi-Hsuan Hsieh, Yi-Ju Liao, Wei-De Wu
  • Patent number: 11140675
    Abstract: A method of supporting active bandwidth part (BWP) switching under carrier aggregation (CA) is proposed. To avoid longer switching delay and multiple interruptions in other component carriers (CCs)/cells, the starting time of the later active BWP switching in one cell should fall outside the switching delay of the earlier active BWP switching in another cell. If the later active BWP switching is DCI-based, then the network should schedule the later active BWP switching outside the switching delay of the earlier active BWP switching. If the later active BWP switching is timer-based, then the UE should not perform the later active BWP switching until the earlier active BWP switching is completed.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: October 5, 2021
    Assignee: MediaTek INC.
    Inventors: Pei-Kai Liao, Wei-De Wu, Jia-Hong Syu
  • Patent number: 11102756
    Abstract: In one aspect, a User Equipment (UE) performs Radio Resource Management (RRM) measurements on downlink signals with a first cycle period equal to the UE's Discontinuous Reception (DRX) cycle period. The RRM measurements cycle period is lengthened when UE detects that a signal quality measurement of the primary cell is greater than the sum of a positive offset and a signal quality measurement of a neighboring cell having the best signal quality among all of UE's neighboring cells. In another aspect, a UE de-multiplexes a paging indication which precedes a Synchronization Signal Block (SSB) in time and is generated using the same sequence generation formula as that for generating a Secondary Synchronization Signal (SSS) in the SSB. From the de-multiplexed paging indication, the UE detects that it is paged for message reception and wakes up to receive the message in a next data reception period of the UE's DRX cycle.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: August 24, 2021
    Assignee: MediaTek Inc.
    Inventors: Chi-Hsuan Hsieh, Wei-De Wu, Yung-Hsiang Liu
  • Publication number: 20210167884
    Abstract: A method based on standalone secondary synchronization signals (SSSs) can include receiving a configuration of an SSS burst at a user equipment (UE) from a base station in a wireless communication network. The SSS burst can include standalone SSSs grouped into SSS sets. Each SSS set can be associated with a beam index. The configuration can indicate frequency and timing locations of the standalone SSSs. The method can further include performing pre-synchronization, radio resource management (RRM) measurement, or cell detection based on the standalone SSSs in the SSS burst.
    Type: Application
    Filed: August 2, 2019
    Publication date: June 3, 2021
    Applicant: MediaTek Singapore Pte. Ltd.
    Inventors: Tao CHEN, Wei-De WU, Min LEI
  • Publication number: 20210144677
    Abstract: Aspects of the disclosure provide a method and device performing input bit allocation that includes receiving broadcasting information bits, generating timing related bits for the broadcasting information bits, and selecting a portion of the generated timing related bits. The method and device can further include allocating each of the selected timing related bits to selected input bits of an encoder, so that each of the selected timing related bits is allocated to an input bit of the encoder corresponding to an available bit channel of the encoder where the selected inputs bits of the encoder correspond to encoded bits that are located in a front portion of the encoded bits.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 13, 2021
    Applicant: MEDIATEK INC.
    Inventors: Wei-De WU, Chia-Wei TAI, Yen-Cheng LIU
  • Publication number: 20210144638
    Abstract: Various solutions for determining monitoring occasion for power saving signal with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a configuration of at least one search space set for power saving signal. The apparatus may determine at least one monitoring occasion of the search space set according to a starting point and a monitoring duration. The apparatus may monitor a power saving signal within the monitoring occasion. The apparatus may determine whether to wake up from a power saving mode according to the power saving signal.
    Type: Application
    Filed: October 6, 2020
    Publication date: May 13, 2021
    Inventors: Yi-Ju Liao, Wei-De Wu
  • Publication number: 20210144644
    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, at the UE, a dormant BWP configuration indicating that a first BWP on which the UE operates in a dormancy behavior, the first BWP being on a first secondary cell established between the UE and a base station. The UE receives, on a primary cell established between the UE and the base station, a first indication for transitioning to operating in the dormancy behavior. The UE operates in the dormancy behavior on the first BWP in accordance with the first indication.
    Type: Application
    Filed: October 13, 2020
    Publication date: May 13, 2021
    Inventors: Chi-Hsuan Hsieh, Wei-De Wu