Patents by Inventor Fang Yuan

Fang Yuan 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: 12160288
    Abstract: Embodiments of the present disclosure relate to methods and devices for channel state information (CSI) transmission. In example embodiments, a method implemented in a terminal device includes performing a channel estimate between the terminal device and a network device across a predetermined frequency range for a set of beams having different spatial directions; determining, based on the channel estimate, first indication information indicating at least one beam selected from the set of beams and second indication information indicating frequency-related information for the at least one selected beam at a plurality of frequency locations in the predetermined frequency range; and transmitting to the network device the first indication information in a first part of a channel state information (CSI) report and the second indication information in a second part of the CSI report.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: December 3, 2024
    Assignee: NEC CORPORATION
    Inventors: Fang Yuan, Gang Wang
  • Publication number: 20240396684
    Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for MU-MIMO communication based on SDM for a PUSCH. A UE may receive an indication of a plurality of DMRS ports for a PUSCH transmission and a number of DMRS CDM groups without data. The number of DMRS CDM groups without data is: greater than or equal to 3 when the plurality of DMRS ports is {0, 2}, greater than or equal to 2 when the plurality of DMRS ports is {1, 3}, or greater than or equal to 2 when the plurality of DMRS ports is {0, 2} and a number of front-loaded symbols corresponding to the plurality of DMRS ports is 2. The UE may transmit the PUSCH transmission based on the received indication of the plurality of DMRS ports and the number of DMRS CDM groups without data.
    Type: Application
    Filed: December 3, 2021
    Publication date: November 28, 2024
    Inventors: Mostafa KHOSHNEVISAN, Wooseok NAM, Fang YUAN, Tao LUO
  • Publication number: 20240397449
    Abstract: Aspects present herein relate to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. The apparatus may detect an MPE event for at least one CC or at least one panel of the at least one CC. The apparatus may also configure a MAC-CE based on the MPE event, the MAC-CE including a plurality of octets and at least one IE, such that each of the at least one IE includes at least one of the plurality of octets. Additionally, the apparatus may transmit, to a base station, the MAC-CE including the plurality of octets and the at least one IE.
    Type: Application
    Filed: November 10, 2021
    Publication date: November 28, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO
  • Publication number: 20240397413
    Abstract: Wireless communications systems and methods related to UE cooperation are provided. A base station (BS) may assist a UE in discovering and cooperating with other UEs. A BS may collect information from candidate cooperative UEs such as UE capability and availability. This information may be broadcast to other UEs or may be transmitted to a UE at the UE's request. The UE may, upon receipt of this information, use it to aid in discovering the candidate cooperative UEs and/or establishing a connection.
    Type: Application
    Filed: September 17, 2021
    Publication date: November 28, 2024
    Inventors: Fang YUAN, Aleksandar DAMNJANOVIC, Luanxia YANG, Mostafa KHOSHNEVISAN, Wooseok NAM, Rajat PRAKASH, Tao LUO, Xiaoxia ZHANG
  • Publication number: 20240389096
    Abstract: Methods, systems, and devices for wireless communication are described. In some systems, a user equipment (UE) may support multiple communications schemes, including a time division multiplexing (TDM) scheme, a frequency division multiplexing (FDM) scheme, a spatial division multiplexing (SDM) scheme, and a single transmission/reception point (sTRP) scheme. The UE may receive control signaling that indicates the multiple communications schemes and downlink control information (DCI) that schedules an uplink data message. The DCI may indicate one or more sounding reference signal (SRS) resource sets associated with the uplink data message. The UE may transmit the uplink data message in accordance with a switching arrangement for switching between the communications schemes. The switching arrangement may be indicated for the uplink data message by one or more of the control signaling, the DCI, or the one or more SRS resource sets.
    Type: Application
    Filed: November 19, 2021
    Publication date: November 21, 2024
    Inventors: Yitao Chen, Mostafa Khoshnevisan, Fang Yuan
  • Publication number: 20240389095
    Abstract: Certain aspects of the present disclosure provide a technique for wireless communications by a user equipment (UE). The UE receives signaling indicating a time gap to be applied between at least two physical uplink shared channels (PUSCHs) scheduled, via a single downlink control information (DCI), for transmission to different transmission reception points (TRPs). The UE transmits the at least two PUSCHs to the TRPs, in accordance with the time gap.
    Type: Application
    Filed: September 9, 2021
    Publication date: November 21, 2024
    Inventors: Fang YUAN, Wooseok NAM, Yan ZHOU, Mostafa KHOSHNEVISAN, Tao LUO, Xiaoxia ZHANG
  • Publication number: 20240380520
    Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for a HARQ codebook for multi-TB transmission. A UE may receive, from a base station, DCI including at least one of a DAI indicator or a TB counter indicator, such that the UE may determine, based on the at least one of the DAI indicator or the TB counter indicator, a number of ACK/NACK bits for the HARQ codebook. The UE may transmit, to the base station, the HARQ codebook including the determined number of ACK/NACK bits.
    Type: Application
    Filed: May 18, 2021
    Publication date: November 14, 2024
    Inventors: Fang YUAN, Yan ZHOU, Sony AKKARAKARAN, Tao LUO
  • Publication number: 20240380472
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a beam failure detection reference signal (BFD-RS) set based at least in part on active transmission configuration indication (TCI) states for downlink channel receptions in control resource sets (CORESETs), wherein the CORESETs are configured with a CORESET pool index value that exceeds a threshold value. The UE may receive, from a base station, a BFD-RS based at least in part on the BFD-RS set. Numerous other aspects are described.
    Type: Application
    Filed: November 5, 2021
    Publication date: November 14, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO
  • Patent number: 12143946
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, a virtual power headroom report (PHR) that is based at least in part on a beam-specific pathloss reference signal (PLRS). The UE may receive, from the base station, a downlink transmission based at least in part on the virtual PHR. Numerous other aspects are described.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: November 12, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Fang Yuan, Yan Zhou, Tao Luo
  • Publication number: 20240372594
    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to indicate to a base station a distribution of transmit antennas and receive antennas across a set of antenna panels, and the base station may configure resource sets for reference signal transmissions from the antenna panels based on the indicated distribution. In a first example, the UE may be configured to indicate a respective number of transmit antennas and receive antennas at each antenna panel. In a second example, the UE may be configured to indicate a sum of transmit antennas and a sum of receive antennas across all antenna panels, along with information on how the transmit antennas and receive antennas are distributed. Based on the indication, the base station may configure resource sets for reference signal transmission on sets of ports in resources of the resource sets.
    Type: Application
    Filed: July 2, 2024
    Publication date: November 7, 2024
    Inventors: Mostafa KHOSHNEVISAN, Aleksandar DAMNJANOVIC, Xiaoxia ZHANG, Tao LUO, Fang YUAN, Jing SUN, Yitao CHEN, Juan MONTOJO, Rajat PRAKASH
  • Publication number: 20240356621
    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for reporting, from a user equipment (UE), beam failure recovery (BFR) information for multiple transmission and reception points (TRPs) via a BFR medium access control (MAC) control element (MAC-CE) in multi-TRP deployment scenarios. In some aspects, the UE may monitor a beam failure status for each of a first TRP and a second TRP and may transmit a BFR MAC-CE if the UE detects a beam failure for the first TRP or the second TRP. The UE may include, in the BFR MAC-CE, a status indicator field that indicates the beam failure status for each of the first TRP and the second TRP and whether a candidate reference signal is reported for identified TRPs of the first TRP and the second TRP for which a beam failure is detected.
    Type: Application
    Filed: September 30, 2021
    Publication date: October 24, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO
  • Publication number: 20240356706
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a transmission configuration indicator (TCI) state for non-UE-dedicated communication on a physical channel, the TCI state being shared with UE-dedicated communication on the physical channel or not shared with UE-dedicated communication on the physical channel based at least in part on a rule. The UE may transmit or receive a communication using the TCI state. Numerous other aspects are described.
    Type: Application
    Filed: September 30, 2021
    Publication date: October 24, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO
  • Publication number: 20240349382
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a transmission configuration indicator (TCI) state that is one of a first type of TCI state indication that applies to a target channel or reference signal (RS) for UE-dedicated reception on a physical uplink channel or a second type of TCI state indication that applies to a single uplink RS or single uplink RS set. The UE may transmit a communication using the TCI state. Numerous other aspects are described.
    Type: Application
    Filed: September 30, 2021
    Publication date: October 17, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO
  • Patent number: 12120708
    Abstract: Embodiments of the present disclosure relate to a method, device and computer readable medium for slot format configuration. In an embodiment of the present disclosure, a method for slot format configuration is performed at a network device. In the method, link configuration information is transmitted, wherein the link configuration indicates configuration for access and backhaul links for a time period; and slot format configuration information is transmitted, wherein the slot format configuration information indicates one or more slot formats for at least one of the access and backlinks to be used in the configuration for access and backhaul links for the time period.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 15, 2024
    Assignee: NEC CORPORATION
    Inventors: Fang Yuan, Lin Liang, Gang Wang
  • Publication number: 20240340990
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, via medium access control (MAC) signaling, an indication to activate one or more transmission configuration indicator (TCI) states for the UE, wherein the indication triggers at least one of a measurement of a reference signal or a transmission of a measurement report for at least one TCI state of the one or more TCI states, wherein the reference signal or the transmission of the measurement report is triggered based on an association of a TCI state with the reference signal or the measurement report. The UE may receive the reference signal based on receiving the indication to activate the one or more TCI states. The UE may transmit the measurement report based on the indication triggering the transmission of the measurement report. Numerous other aspects are provided.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 10, 2024
    Inventors: Tianyang BAI, Yan ZHOU, Fang YUAN, Tao LUO, Junyi LI
  • Publication number: 20240340902
    Abstract: Wireless communication capabilities are disclosed that support determination of timing advance for a physical uplink control channel (PUCCH) in joint acknowledgement feedback mode of a network having multiple timing advance groups (TAGs) configured per serving cell and multiple control resource set (CORESET) pool index values configured per bandwidth part (BWP). In a first aspect, a method of such capabilities includes receiving a configuration message including at least a feedback mode configuration configuring a joint acknowledgement feedback mode, a TAG configuration for each serving cell, and any CORESET pool indices for the BWPs of the serving cells. A user equipment (UE) receives downlink transmissions and determines a timing advance for a PUCCH with a joint acknowledgement message using the last downlink control information (DCI) message received scheduling the downlink transmissions. Alternatively, a UE may use a predetermined timing advance. Other aspects and features are also claimed and described.
    Type: Application
    Filed: February 10, 2022
    Publication date: October 10, 2024
    Inventors: Shaozhen Guo, Mostafa Khoshnevisan, Fang Yuan, Jing Sun, Xiaoxia Zhang, Yan Zhou, Tao Luo
  • Publication number: 20240340053
    Abstract: This disclosure provides systems, methods, and devices for wireless communication that support reliability enhancements for implicit beam switching operations. In a first aspect, a method of wireless communication includes transmitting, by a wireless communication device, a channel state information (CSI) report using a first beam; monitoring, by the wireless communication device, for an implicit beam switch indication during a time window, the implicit beam switch indication corresponding to acceptance of Transmission Configuration Indicator (TCI) information indicated by the CSI report; and switching, by the wireless communication device, to a second beam from the first beam based on the implicit beam switch indication, the second beam different from the first beam. Other aspects and features are also claimed and described.
    Type: Application
    Filed: September 30, 2021
    Publication date: October 10, 2024
    Inventors: Fang Yuan, Yan Zhou, Mostafa Khoshnevisan, Konstantinos Dimou, Sony Akkarakaran, Tao Luo, Junyi Li, Peter Gaal
  • Patent number: 12112135
    Abstract: An approach is provided for optimizing a feedback-type question answering process. A training set is constructed to detect missing information of a question. A natural language generation model is trained using the missing information. The natural language generation model is executed to generate a rhetorical question. A response to the rhetorical question is combined with the question to generate an input to a language processor. A new question is generated. The new question is applied to a document library. A final answer is generated.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: October 8, 2024
    Assignee: International Business Machines Corporation
    Inventors: Zhong Fang Yuan, Tong Liu, Chen Gao, Xiang Yu Yang
  • Publication number: 20240334350
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration for transmitting a report that indicates multiple power-management maximum power reduction (P-MPR) values for a cell of a set of one or more cells indicated in the report. The UE may transmit the report that indicates the multiple P-MPR values for the cell. Numerous other aspects are described.
    Type: Application
    Filed: September 29, 2021
    Publication date: October 3, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO
  • Publication number: 20240333369
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select, as a transmission configuration indicator (TCI) state for a channel or reference signal (RS) in a bandwidth part (BWP), a TCI state associated with: a TCI list received in a radio resource control (RRC) message for the BWP; a codepoint identifier (ID) activated by a medium access control control element (MAC CE) for the BWP; or a scheduling downlink control information (DCI) for the channel or RS, based at least in part on determining that the UE has not received an indication of the TCI state for the channel or RS, or quasi co-location (QCL) information that indicates the TCI state for the channel or RS. The UE may transmit or receive a communication using the selected TCI state. Numerous other aspects are provided.
    Type: Application
    Filed: August 24, 2021
    Publication date: October 3, 2024
    Inventors: Fang YUAN, Yan ZHOU, Tao LUO