Patents by Inventor Cheng-Rung Tsai

Cheng-Rung Tsai 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: 20250175879
    Abstract: Method and apparatus are provided for forwarding control information. In one novel aspect, a base station (BS) transmits a configuration of a forwarding resource to a repeater. The configuration includes a time domain occasion information and a spatial setting. The repeater receives the configuration of the forwarding resource. Then, the BS transmits a signal to the repeater, and the repeater forwards the signal to a user equipment (UE) based on the forwarding resource.
    Type: Application
    Filed: March 27, 2023
    Publication date: May 29, 2025
    Inventors: Cheng-Rung TSAI, Lung-Sheng TSAI
  • Publication number: 20250113211
    Abstract: Various solutions for response of beam reporting with respect to user equipment and network node in mobile communications are described. An apparatus may transmit a report indicating at least one beam to a network node. The apparatus may receive a downlink control information (DCI) indicating an indicator from the network node within an effective duration corresponding to the report. The apparatus may determine whether the report is received or confirmed by the network node according to the indicator. The apparatus may perform a beam switching or a beam synchronization based on the at least one beam indicated in the report if the report is received or confirmed by the network node.
    Type: Application
    Filed: August 29, 2024
    Publication date: April 3, 2025
    Inventors: Yi-Ru Chen, Cheng-Rung Tsai
  • Publication number: 20250113210
    Abstract: Various solutions for beam management with respect to user equipment and network node in mobile communications are described. An apparatus may measure at least one reference signal from a network node. The apparatus may transmit a beam report to the network node. The beam report may indicate at least one beam which has been synchronized by the apparatus. The beam report may comprise a reporting order to determine at least one codepoint of a transmission configuration indicator (TCI) field.
    Type: Application
    Filed: August 21, 2024
    Publication date: April 3, 2025
    Inventors: Yi-Ru Chen, Cheng-Rung Tsai
  • Patent number: 12267265
    Abstract: Apparatus and methods are provided for configuring application of TCI state to an RS. In one novel aspect, an RRC configuration is introduced for indicating to the UE whether to apply an indicated TCI state to an RS. In particular, a BS can transmit an RRC configuration of an RS to a UE. The UE can receive the RRC configuration from the BS. The BS can transmit an indication of one or more TCI states to the UE. The UE can receive the indication of the one or more TCI states from the BS. The UE can determine whether to apply the TCI state to the RS according to the RRC configuration.
    Type: Grant
    Filed: December 4, 2021
    Date of Patent: April 1, 2025
    Assignee: MediaTek Inc.
    Inventor: Cheng-Rung Tsai
  • Publication number: 20250106868
    Abstract: Examples pertaining to dynamic beam indication for network-controlled forwarding in mobile communications are described. An apparatus (e.g., a network-controlled repeater (NCR)) may receive downlink control information (DCI) from a network node. The DCI may include first beam indication information indicating one or more first pairs of a spatial setting and a time-domain resource. The apparatus may also forward a radio signal based on the first beam indication information.
    Type: Application
    Filed: June 5, 2023
    Publication date: March 27, 2025
    Inventors: Cheng-Rung TSAI, Lung-Sheng TSAI
  • Patent number: 12177162
    Abstract: A partial sounding method for sounding-reference-signal (SRS) is proposed. The network node may transmit higher-layer signal configuring a fractional SRS resource for partial sounding in configured resource blocks (RBs) to user equipment (UE). The UE may determine an SRS sequence length and a frequency-domain starting position of the fractional SRS resource based on the higher-layer signal to increase the SRS capacity.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: December 24, 2024
    Assignee: MEDIATEK Inc.
    Inventors: Tzu-Han Chou, Cheng-Rung Tsai, Jiann-Ching Guey
  • Publication number: 20240349298
    Abstract: Method and UE are provided for TCI for multiple TRPs. In particular, a UE can receive a command from a network. The command indicates a plurality of serving TCIs. Then, the UE can receive a DCI from a network. The DCI schedules a downlink reception or an uplink transmission and includes a serving TCI indicator. The UE can apply at least one of the serving TCIs to the downlink reception or the uplink transmission according to the serving TCI indicator in the DCI.
    Type: Application
    Filed: January 6, 2023
    Publication date: October 17, 2024
    Inventor: Cheng-Rung TSAI
  • Publication number: 20240334231
    Abstract: Examples pertaining to measurement resource and report configuration for a communication apparatus supporting device collaboration in mobile communications are described. A user equipment (UE) receives a first report configuration associated with at least a first measurement resource allocated in a first frequency band from a network node. The UE determines information regarding a second measurement resource allocated in a second frequency band which is different from the first frequency band. The UE receives a first radio frequency (RF) signal carrying one or more reference signals on the first measurement resource and receives a second RF signal carrying identical one or more reference signals on the second measurement resource.
    Type: Application
    Filed: March 5, 2024
    Publication date: October 3, 2024
    Inventors: Lung-Sheng Tsai, Chia-Hao Yu, Cheng-Rung Tsai, Chi-Hsuan Hsieh
  • Patent number: 12108490
    Abstract: A method for UE capability signaling for supporting reference signal based measurements in NR-U is proposed. A UE transfers its UE capability information to a mobile communication network, wherein the UE capability information includes information regarding whether the UE supports measurements of a CSI-RS on an unlicensed cell. The UE receives configuration from the mobile communication network, wherein the configuration includes information regarding radio resources of the CSI-RS on the unlicensed cell. The UE measures the CSI-RS on the unlicensed cell based on the configuration.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: October 1, 2024
    Assignee: MediaTek Inc.
    Inventors: Chiou-Wei Tsai, Cheng-Rung Tsai
  • Publication number: 20240322972
    Abstract: Method and UE are provided for TCI for multiple TRPs. In particular, a UE can receive an RRC configuration of a CORESET or a PUCCH resource. Then, the UE can receive at least one command from a network. The at least one command indicates plurality of serving TCIs. The UE can determine at least one of the serving TCIs according to at least one parameter in the RRC configuration, and apply at least one of the serving TCIs to a PDCCH reception on the CORESET or a PUCCH transmission on the PUCCH resource.
    Type: Application
    Filed: January 6, 2023
    Publication date: September 26, 2024
    Inventor: Cheng-Rung TSAI
  • Patent number: 12082184
    Abstract: Apparatus and methods are provided for configuring TCI state activation and indication for DL transmission and UL transmission. In one novel aspect, list(s) associated with DL transmission, UL transmission or both DL transmission and UL transmission is/are provided. In particular, a UE can be configured with a plurality of TCI states. After being configured with the TCI states, the UE can receive a command that includes the list(s) associated with DL transmission, UL transmission or both DL transmission and UL transmission. The list(s) records a plurality of TCI state identifications. Accordingly, when the UE receives a value of a TCI field from a DCI and the value maps to designated TCI state identification(s) recorded on the list(s), the UE can apply designated TCI state(s) corresponding to the designated TCI state identification(s) for DL transmission, UL transmission or both DL transmission and UL transmission.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: September 3, 2024
    Assignee: MediaTek Inc.
    Inventor: Cheng-Rung Tsai
  • Publication number: 20240267977
    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 a first configuration for activating a first number of sets of TC states. Each set of the first number of sets includes at least a TCI state configured for communicating with a first TRP. The UE determines, based on an indication contained in the first configuration, that the first number of sets of TC states are activated for communicating with the first TRP or a second TRP in a first direction selected from an uplink direction and a downlink direction. The UE activates the first number of sets of TC states for communicating with the first TRP or the second TRP in the first direction.
    Type: Application
    Filed: July 29, 2022
    Publication date: August 8, 2024
    Inventors: Gyu Bum KYUNG, Cheng-Rung TSAI
  • Publication number: 20240187185
    Abstract: Method and user equipment (UE) are provided for the TCI state indication for PUSCH transmission. In one novel aspect, the UE maps PUSCH transmission with codebook/noncodebook-based TCI states based on codepoint for SRS resource set of DCI format 0_1 or DCI format 0_2. In one embodiment, UE applies the first or the second TCI state to all PUSCH transmission occasions when the codepoint is “00” or “01”, respectively. When the codepoint is “10” or “11”, the UE applies the first and the second indicated joint/UL TCI state to the PUSCH transmission occasions (s) associated with the first and second SRS resource set, respectively when no multi-panel scheme is configured; and when multi-panel scheme is configured with, such as “SDMscheme”, UE applies the first and the second indicated joint/UL TCI state to the PUSCH antenna ports associated with the first and second SRS resource set, respectively.
    Type: Application
    Filed: November 30, 2023
    Publication date: June 6, 2024
    Inventors: Yi-Ru Chen, Cheng-Rung Tsai
  • Publication number: 20240121055
    Abstract: A UE receives configurations of first and second configured SRS resource sets for non-codebook based transmission. The UE receives DCI containing a first SRI field and a second SRI field. The first SRI field indicates an SRS resource of a first indicated SRS resource set. The second SRI field indicates an SRS resource of a second indicated SRS resource set. A size of the first SRI field is based on a first maximum number of layers, a second maximum number of layers, a third maximum number of layers, a first number of SRS resources in the first indicated SRS resource set, and a second number of SRS resources in the second indicated SRS resource set. A size of the second SRI field is based on the third maximum number of layers and the second number of SRS resources in the second indicated SRS resource set.
    Type: Application
    Filed: September 22, 2023
    Publication date: April 11, 2024
    Inventors: Yi-Ru Chen, Cheng-Rung Tsai
  • Publication number: 20240114464
    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 to send a first power headroom report (PHR) and a second PHR. The UE receives a resource allocation for a physical uplink shared channel (PUSCH). The UE includes the first PHR and the second PHR in a MAC control element (MAC CE). The UE transmits the PUSCH including the MAC CE.
    Type: Application
    Filed: September 22, 2023
    Publication date: April 4, 2024
    Inventors: Yi-Ru Chen, Cheng-Rung Tsai
  • Publication number: 20240072878
    Abstract: A unified solution to support all PCell, SCell, and per-TRP based beam failure recovery (BFR) procedure is proposed, with less standard impact and reduced latency. In a first novel aspect, a set of reference signals (RSs) for BFD is configured for each BWP of a serving cell, and a maximum number of BFD RSs (N) per TRP for each BWP of a serving cell is configured. In a second novel aspect, for single DCI multi-TRP, the BFD RSs can be updated via MAC CE to reduce latency. In a third novel aspect, new RRC parameters for BFD RSs and candidate beam RSs are configured, with different sets of SSB/CSI-RS resources associated to each TRP. Specifically, an additional lists of SSB/CSI-RS resource set is defined for each corresponding TRP.
    Type: Application
    Filed: September 9, 2023
    Publication date: February 29, 2024
    Inventors: Gyu Bum Kyung, Cheng-Rung Tsai
  • Publication number: 20240057084
    Abstract: Examples pertaining to transmission of at least one of beam indication information, on-off information and power control information in one control information for a repeater are described. A repeater receives a configuration indicating a control information from a network node of a wireless network. In response, the repeater determines an activation of forwarding a signal to a user equipment or to the network node. The control information includes at least one of the beam indication information, the on-off information and the power control information.
    Type: Application
    Filed: July 3, 2023
    Publication date: February 15, 2024
    Inventors: Chun-Hao Fang, Cheng-Rung Tsai, Lung-Sheng Tsai
  • Patent number: 11877289
    Abstract: A method for providing multiple physical uplink control channel (PUCCH) resources for a uplink control information (UCI) report can include receiving one or more PUCCH resource configurations from a base station (BS) at a user equipment (UE) in a wireless communication system, and determining a first PUCCH resource configuration from the one or more PUCCH resource configurations for reporting a UCI. The first PUCCH resource configuration can indicate multiple frequency domain transmission occasions in a bandwidth. The UCI can be transmitted on at least one of the multiple frequency domain transmission occasions indicated by the first PUCCH resource configuration.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: January 16, 2024
    Assignee: MEDIATEK INC.
    Inventor: Cheng-Rung Tsai
  • Patent number: 11870726
    Abstract: User equipment (UE) for sounding reference signal (SRS) triggering is provided. The UE may include a radio frequency (RF) signal processing device and a processor. The RF signal processing device receives first slot offset information and second slot offset information from a network node. The first slot offset information is configured through a radio resource control (RRC) information element (IE) to indicate a first time difference between the down link control information (DCI) and a resource reference slot. The second slot offset information indicates the second time difference between the reference slot and an SRS resource. The processor is coupled to the RF signal processing device. When the RF signal processing device receives the DCI, the processor triggers an SRS transmission for the SRS resource according to the first slot offset information and the second slot offset information.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: January 9, 2024
    Assignee: MEDIATEK SINGAPORE PTE. LTD.
    Inventors: Tzu-Han Chou, Cheng-Rung Tsai, Gyu Bum Kyung, Chien-Yi Wang
  • Patent number: 11848878
    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 detects one or more signals transmitted from a base station in a first unit of a set of units contained in a bandwidth part of an unlicensed carrier, the first unit having contiguous frequency resources. The one or more signals indicating that the base station has occupied the first unit for a first time duration and indicating a schedule of a set of slots in the first time duration for communication with the base station. The UE receives, in a first time slot of the set of slots and from the base station, a control channel.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: December 19, 2023
    Assignee: MEDIATEK INC.
    Inventors: Chiou-Wei Tsai, Jiann-Ching Guey, Chun-Hsuan Kuo, Cheng-Rung Tsai