Patents by Inventor Dalin ZHU

Dalin ZHU 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: 20250113362
    Abstract: Methods and apparatuses for user equipment (UE)-initiated reporting. A method of operating a user equipment (UE) includes transmitting a first uplink (UL) signal, receiving, in response to the first UL signal, a first downlink (DL) signal indicating resources for a second DL signal, and a second UL signal, and receiving the second DL signal based on the indicated resources for the second DL signal. The method further includes measuring the second DL signal, determining a report based on the measurement, and transmitting the report based on the indicated resources for the second UL signal. The second UL signal is a physical UL shared channel (PUSCH) or a physical uplink control channel (PUCCH).
    Type: Application
    Filed: September 19, 2024
    Publication date: April 3, 2025
    Inventors: Emad Nader Farag, Dalin Zhu, Eko Onggosanusi, Md. Saifur Rahman, Gilwon Lee
  • Publication number: 20250106714
    Abstract: Methods and apparatuses for inter-cell beam management triggered cell switch. A method of operating a user equipment (UE) includes receiving first information for first sets of downlink (DL) or joint candidate cell transmission configuration indicator (TCI) states corresponding to one or more candidate cells, receiving second information for second sets of uplink (UL) candidate cell TCI states corresponding to the one or more candidate cells, receiving a first medium access control-channel element (MAC-CE) for activating a subset of candidate cell TCI states from the first or second sets, and receiving a second MAC CE including a cell switch command. The cell switch command indicates a candidate cell and at least one candidate cell TCI state from the first sets or the second sets corresponding to the candidate cell. The method further includes deactivating the subset of activated candidate cell TCI states excluding the at least one candidate cell TCI state.
    Type: Application
    Filed: September 13, 2024
    Publication date: March 27, 2025
    Inventors: Emad Nader Farag, Eko Onggosanusi, Dalin Zhu
  • Publication number: 20250096880
    Abstract: Methods and apparatuses for beam measurement and reporting. A method performed by a user equipment (UE) is provided. The method includes receiving first information related to inclusion in a report of at least one first report quantity associated with a first reference signal (RS) resource and receiving second information related to at least one second RS resource. The method further includes determining, based on the first RS resource, the at least one first report quantity and determining, based on the at least one second RS resource, at least one second report quantity. The method further includes determining, based on (i) the first information and (ii) the at least one second report quantity, the report and transmitting the report.
    Type: Application
    Filed: September 6, 2024
    Publication date: March 20, 2025
    Inventors: Dalin Zhu, Emad Nader Farag, Eko Onggosanusi
  • Publication number: 20250088333
    Abstract: Methods and apparatuses for group common beam indication. A method performed by a user equipment (UE) includes receiving a plurality of first transmission configuration indication (TCI) states in a group common downlink control information (DCI) and receiving first information related to a plurality of channel measurement resources (CMRs) for coherent-joint transmission (CJT). The method further includes determining, based on the plurality of first TCI states, at least one second TCI state; determining an association between the at least one second TCI state and the first information; and receiving, based on the association, the plurality of CMRs. The first information comprises at least a number of the plurality of CMRs and time-frequency domain resource configurations for the plurality of CMRs.
    Type: Application
    Filed: September 4, 2024
    Publication date: March 13, 2025
    Inventors: Dalin Zhu, Emad Nader Farag, Eko Onggosanusi
  • Patent number: 12244537
    Abstract: A method for operating a user equipment (UE) comprises receiving at least one channel state information (CSI) report setting about a first type of quantities CSI(1), . . . , CSI(NRRH) for NRRH>1 remote radio heads (RRHs), each RRH comprising a group of CSI reference signal (CSI-RS) ports, wherein NRRH=a number of RRHs; receiving at least one CSI-RS resource setting about a second type of quantities CSI-RS(1), . . . , CSI-RS(NRRH) transmitted from NRRH groups of CSI-RS ports, wherein at least one of the at least one CSI report setting or the at least one CSI-RS resource setting is not equal to NRRH; and based on the at least one CSI report setting and the at least one CSI-RS resource setting: measuring CSI-RS(1), . . . , CSI-RS(NRRH); and determining, based on the measurement, CSI(1), . . . , CSI(NRRH); and transmitting CSI(1), . . . , CSI(NRRH).
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: March 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Md. Saifur Rahman, Eko Onggosanusi, Dalin Zhu
  • Patent number: 12245261
    Abstract: Methods and apparatuses for channel and interference measurement in a wireless communication system. A method for operating a user equipment (UE) includes receiving a reporting setting and receiving a resource setting associated with the reporting setting. The reporting setting is configured with a higher layer parameter reportQuantity that is set to at least cri-SINR. The resource setting is configured with a higher layer parameter resourceType that is set to aperiodic, periodic, or semi-persistent. The method further includes receiving a first set of reference signals (RSs) through a first set of RS resources; receiving a second set of RSs through a second set of RS resources; measuring at least one RS in the first or second sets of RSs; and determining, based on the reporting setting and the measured at least one RS, one or more layer-1 signal-to-noise and interference ratios (L1-SINRs).
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: March 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dalin Zhu, Eko Onggosanusi
  • Publication number: 20250056560
    Abstract: Methods and apparatuses for frequency selective beam management. A method performed by a user equipment (UE) includes receiving first information related to a plurality of frequency subbands and receiving, in a first part of a downlink control information (DCI), at least one first transmission configuration indication (TCI) state and second information related to a second part of the DCI. The method further includes determining, based on the first information, a first association between the plurality of frequency subbands and the at least one first TCI state; for a first frequency subband from the plurality of frequency subbands, determining a first TCI state based on the first association; and identifying, based on the determined first TCI state, a spatial domain filter for transmitting or receiving UE-dedicated channels or signals for the first frequency subband.
    Type: Application
    Filed: July 24, 2024
    Publication date: February 13, 2025
    Inventors: Dalin Zhu, Emad Nader Farag, Eko Onggosanusi, Jianhua Mo, Young Han Nam
  • Patent number: 12224831
    Abstract: Methods and apparatuses for beam measurement and reporting in a wireless communication system. A method of operating a user equipment (UE) includes identifying an indication for reporting, in a channel state information (CSI) report, at least a first group of two resource indicators and corresponding beam metrics associated with a first entity identity (ID) and a second entity ID, respectively, and transmitting, in the CSI report, the first group of two resource indicators and the corresponding beam metrics. The first or second entity IDs correspond to at least one of: a physical cell identity (PCI) corresponding to a serving cell PCI or a PCI different from the serving cell PCI; and a PCI index pointing to a PCI corresponding to the serving cell PCI or a PCI different from the serving cell PCI in a list of PCIs that are higher layer configured to the UE.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: February 11, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dalin Zhu, Eko Onggosanusi
  • Publication number: 20250047329
    Abstract: Apparatuses and methods for dynamic MIMO operations. A method performed by a user equipment (UE) includes receiving information about N ports and a report; based on the information, determining ? port selection hypotheses, where a port selection hypothesis with index l selects a group of n1 ports from the N ports; and transmitting the report including at least one indicator indicating the ? port selection hypotheses, where ??1, l ?{1, . . . , ?}, and 1?nl?N.
    Type: Application
    Filed: July 16, 2024
    Publication date: February 6, 2025
    Inventors: Md. Saifur Rahman, Eko Onggosanusi, Gilwon Lee, Emad Nader Farag, Dalin Zhu
  • Publication number: 20250047362
    Abstract: Methods and apparatuses for signaling of inter-cell beam management in a wireless communication system. A method of operating a user equipment includes receiving configuration information for a list of transmission configuration indication (TCI) states; receiving an indication of activated TCI state code points via a medium access control-control element (MAC CE); and receiving a downlink control information (DCI) indicating an activated TCI state code point. The method further includes determining a TCI state to apply based on the activated TCI state code point; determining an entity of the TCI state and a source reference signal (RS) of the TCI state; updating spatial filters for downlink (DL) channels or uplink (UL) channels based on the source RS and entity; and receiving or transmitting the DL channels or the UL channels of the entity, respectively, based on the updated spatial filters.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 6, 2025
    Inventors: Emad N. Farag, Eko Onggosanusi, Dalin Zhu
  • Publication number: 20250047357
    Abstract: Methods and apparatuses for indicating uplink (UL) beams and sounding reference signal (SRS) resources. A method performed by a user equipment (UE) includes receiving, in a downlink control information (DCI) format, (i) a SRS resource indicator (SRI) and (ii) a transmission configuration indication (TCI) codepoint mapped to one or more first TCI states and determining, based on the SRI, a SRS resource and a physical uplink shared channel (PUSCH) associated with the SRS resource. The method further includes determining, based on the one or more first TCI states, a spatial filter for transmitting the PUSCH; and transmitting the PUSCH using the determined spatial filter.
    Type: Application
    Filed: July 17, 2024
    Publication date: February 6, 2025
    Inventors: Dalin Zhu, Md. Saifur Rahman, Emad Nader Farag, Eko Onggosanusi
  • Publication number: 20250023694
    Abstract: Methods and apparatuses for channel state information (CSI) resource configuration in a wireless communication system. A method for operating a user equipment includes receiving a first and second configurations for a first and second sets of reference signal (RS) resources, respectively, configured in a CSI resource setting, receiving a first set of RSs through the first set of RS resources, and receiving a second set of RSs through the second set of RS resources. The method further includes measuring at least one RS in the first or second sets of RSs, determining, based on the measured at least one RS, one or more resource indicators or one or more beam metrics, determining, based on the first or second configurations, a first CSI report or a second CSI report; and transmitting, in the first or second CSI reports, the one or more resource indicators or the one or more beam metrics.
    Type: Application
    Filed: August 5, 2024
    Publication date: January 16, 2025
    Inventors: Dalin Zhu, Eko Onggosanusi
  • Publication number: 20250024294
    Abstract: Methods and apparatuses for user equipment (UE)-initiated beam management. A method performed by a UE includes receiving first information to enable UE-initiated beam operation, receiving second information related to a measurement reference signal (RS) for the UE-initiated beam operation, and measuring the measurement RS. The method further includes determining, based on the measurement, a report, transmitting a first uplink (UL) channel notifying transmission of the report, and transmitting a second UL channel including the report.
    Type: Application
    Filed: June 28, 2024
    Publication date: January 16, 2025
    Inventors: Dalin Zhu, Emad Nader Farag, Eko Onggosanusi
  • Publication number: 20250024296
    Abstract: Methods and apparatuses for advanced user equipment (UE) beam reporting in a wireless communication system. A method of operating a UE includes receiving a set of reference signals (RSs), measuring a first quantity based on a quality of a RS in the set of RSs, determining a second quantity based on a rate of change of the first quantity, preparing a report including N?1 entries, and transmitting the report.
    Type: Application
    Filed: July 2, 2024
    Publication date: January 16, 2025
    Inventors: Emad Nader Farag, Eko Onggosanusi, Md. Saifur Rahman, Dalin Zhu
  • Patent number: 12200641
    Abstract: Methods and apparatuses for beam measurement, reporting, and indication operations. A method for a user equipment includes receiving first configuration information for joint reporting, in a same reporting instance, of both one or more synchronization signal block resource indicators (SSBRIs) and channel state information reference signal resource indicators (CRIs); and receiving second configuration information for differential reference signal received power (RSRP) reporting of RSRP values for the one or more SSBRIs and CRIs, respectively. The method further includes determining, based on the first configuration information, the one or more SSBRIs and CRIs and determining, based on the second configuration information, the RSRP values for the one or more SSBRIs and CRIs, respectively.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: January 14, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dalin Zhu, Md. Saifur Rahman, Emad N. Farag, Eko Onggosanusi
  • Publication number: 20250008357
    Abstract: Methods and apparatuses for beam measurement and reporting. A method performed by a user equipment (UE) includes transmitting capability information; receiving information indicating a group based beam reporting; and measuring reference signals. The method further includes determining, based on the information and the measurement, a group of two resource indicators; determining, based on the measurement, beam metrics corresponding to the group of two resource indicators; and transmitting, in a channel state information (CSI) reporting instance, the group of two resource indicators and the beam metrics. A resource indicator in the group of two resource indicators is one of: (1) a synchronization signal/physical broadcast channel (PBCH) block (SSB) resource indicator (SSBRI) and (2) a CSI reference signal (CSI-RS) resource indicator (CRI). A beam metric in the beam metrics is one of: (1) a layer-1 reference signal received power (L1-RSRP) and (2) a layer-1 signal to interference and noise ratio (L1-SINR).
    Type: Application
    Filed: June 14, 2024
    Publication date: January 2, 2025
    Inventors: Dalin Zhu, Eko Onggosanusi
  • Publication number: 20240422853
    Abstract: Methods and apparatuses for beam indication for full duplex. A method of operating a user equipment (UE) includes receiving first and second information that includes first and second transmission configuration indicator (TCI) state configurations associated with first and second subsets of slots or symbols, respectively, on a cell and receiving a downlink control information (DCI) format that includes a first or second TCI state code point from the first or second TCI state configuration. The method further includes determining, based on whether a slot or symbol is from the first or second subset, the first or second TCI state code point and receiving, based on the determination, a shared data or control channel or signal using the first or second TCI state code point. The first subset does not include time-domain resources indicated for simultaneous transmission and reception on the cell and the second subset does.
    Type: Application
    Filed: May 30, 2024
    Publication date: December 19, 2024
    Inventors: Emad Nader Farag, Marian Rudolf, Eko Onggosanusi, Dalin Zhu, Aristides Papasakellariou
  • Patent number: 12166709
    Abstract: Methods and apparatuses for timing adjustment in a system comprising multiple transmission and reception points (TRPs). A method for operating a user equipment (UE) includes receiving first information for one or more first measurement reference signals (RSs) from a first cell to measure for determining a downlink (DL) timing difference, receiving second information for one or more second measurement RSs from a second cell to measure for determining the DL timing difference, and receiving a configuration for reporting the DL timing difference between the first and second cells. The method further includes measuring, based on the first and second information, the first and second measurement RSs, respectively; determining, based on the first and second measured measurement RSs, a timing difference report for the first and second cells; and transmitting, based on the configuration, the timing difference report to one or more of the first and second cells.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: December 10, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dalin Zhu, Md. Saifur Rahman, Emad N. Farag, Eko Onggosanusi
  • Publication number: 20240372679
    Abstract: Methods and apparatuses for transmission configuration indication (TCI) state indications and updates. A method performed by a user equipment includes applying a TCI state for UE dedicated control and data channels and receiving, via a medium access control (MAC) control element (CE), a plurality of TCI codepoints. The method further includes identifying a reference TCI codepoint from the plurality of TCI codepoints; determining, from the reference TCI codepoint, one or more TCI states; and determining whether to apply the one or more TCI states or the reference TCI state for the UE dedicated control and data channels.
    Type: Application
    Filed: April 25, 2024
    Publication date: November 7, 2024
    Inventors: Dalin Zhu, Emad Nader Farag, Eko Onggosanusi
  • Publication number: 20240372584
    Abstract: A method for operating a user equipment (UE) comprises receiving information about a downlink (DL) transmission transmitted from NRRH>1 RRHs, wherein: NRRH=number of remote radio heads (RRHs), RRH r comprises a group of antenna ports, and r=1, . . . , NRRH; receiving the DL transmission; and decoding the information about the DL transmission; wherein the DL transmission is based on a scheme that is a combination of a precoding scheme and a diversity scheme, wherein the precoding scheme corresponds to applying an intra-RRH precoder component to antenna ports within an RRH, and wherein the diversity scheme corresponds to applying an inter-RRH diversity component to antenna ports across RRHs.
    Type: Application
    Filed: July 18, 2024
    Publication date: November 7, 2024
    Inventors: Md. Saifur Rahman, Eko Onggosanusi, Dalin Zhu