Patents by Inventor Chenxi Zhu

Chenxi 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: 20240250732
    Abstract: Methods and apparatuses for beam reporting for non-serving cells are disclosed. A method comprises receiving a configuration of one or multiple CMR sets for channel measurement associated with a CSI-ReportConfig IE with reportQuantity set to ‘cri-RSRP’ or ‘ssb-Index-RSRP’, and nrofReportedRS-Neighboring indicating the number K of beams associated with non-serving cell(s), K is 1 or more; and transmitting a CSI report including K CRIs or SSBRIs and the measured L1-RSRP value of the resource associated with a non-serving cell indicated by each of the K CRIs or SSBRIs.
    Type: Application
    Filed: May 14, 2021
    Publication date: July 25, 2024
    Inventors: Bingchao LIU, Chenxi ZHU, Wei LING, Yi ZHANG
  • Publication number: 20240236748
    Abstract: Apparatuses, methods, and systems are disclosed for reporting reference signal received power for multiple cells. One method includes receiving a channel state information report configuration message indicating resources for channel measurement. The resources include downlink reference signal resources from a serving cell and at least one non-serving cell, and the resources are configured for first layer reference signal received power measurement. The method includes receiving transmission power information for synchronization signal blocks from the serving cell and the at least one non-serving cell. The method includes conducting first layer reference signal received power measurements for the resources. The method includes adjusting the first layer reference signal received power measurements for reference signals transmitted from the at least one non-serving cell based on the transmission power information. The method includes reporting multiple first layer reference signal received power measurements.
    Type: Application
    Filed: May 11, 2021
    Publication date: July 11, 2024
    Inventors: Chenxi Zhu, Bingchao Liu
  • Publication number: 20240214049
    Abstract: Apparatuses, methods, and systems are disclosed for angle of departure based channel state information. One method includes estimating, at a receiving device, a channel from a transmitting device using reference signals. The method includes determining a set of up to N beam angle of departures from signals transmitted from the transmitting device having a signal strength greater than a predetermined threshold. The method includes determining a channel quality associated with each angle of departure of the set of up to N beam angle of departures. The method includes sending channel state information comprising information indicating the set of up to N beam angle of departures and the channel quality associated with each angle of departure of the set of up to N beam angle of departures.
    Type: Application
    Filed: April 16, 2021
    Publication date: June 27, 2024
    Inventors: Chenxi Zhu, Bingchao Liu, Yi Zhang
  • Publication number: 20240214121
    Abstract: The present disclosure is related to a method and apparatus for redundant transmission to support high data transmission reliability. A method for redundant transmission to support high data transmission reliability includes deciding to add a redundant entity for a first User Plane Function (UPF) entity, selecting a second UPF entity as the redundant entity of the first UPF entity, indicating an Uplink Replication (UL RP) function on a third network entity, and indicating Downlink Replication (DL RP) function on a fourth network entity or Data Network (DN). The present disclosure supports high data transmission reliability by redundant transmission wireless communication system.
    Type: Application
    Filed: March 8, 2024
    Publication date: June 27, 2024
    Inventors: Zhuoyun Zhang, Genadi Velev, Dimitrios Karampatsis, Chenxi Zhu
  • Publication number: 20240205919
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for multiple transmit-receive point (M-TRP) based physical uplink shared channel (PUSCH) transmission. According to an embodiment of the present disclosure, a method can include: receiving configuration information of a first sounding reference signal (SRS) resource set and a second SRS resource set for a codebook or non-codebook based PUSCH transmission; receiving a configured (CG) configuration for the PUSCH transmission, wherein the CG configuration includes one or two sets of power control parameters, and each set of power control parameter is associated with one SRS resource set of the first SRS resource set or the second SRS resource set; receiving downlink control information (DCI) scheduling a PUSCH retransmission corresponding to the PUSCH transmission according to the CG configuration; and determining at least one set of power control parameters for the PUSCH retransmission.
    Type: Application
    Filed: August 5, 2021
    Publication date: June 20, 2024
    Inventors: Lingling XIAO, Bingchao LIU, Chenxi ZHU, Wei LING, Yi ZHANG
  • Publication number: 20240205959
    Abstract: Methods and apparatus of enhanced candidate allocation schemes for enhanced PDCCH are disclosed. The method includes: receiving, by a receiver, configurations of a plurality of search space sets that are linked for a Physical Downlink Control Channel (PDCCH) transmission with a plurality of repetitions; wherein the plurality of repetitions of the PDCCH are transmitted on a plurality of candidates; determining, by a processor, according to a priority rule with a predefined granularity, by counting the candidates from the linked search space sets, whether there is sufficient candidate resource available for allocation; and allocating, by the processor, the candidates, upon determining that there is sufficient candidate resource available for allocation.
    Type: Application
    Filed: March 22, 2021
    Publication date: June 20, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yi Zhang, Chenxi Zhu, Bingchao Liu, Wei Ling, Lingling Xiao
  • Publication number: 20240204398
    Abstract: Apparatuses, methods, and systems are disclosed for controlling a reconfigurable intelligent surface device. One method (500) includes determining (502) a control signal for a reconfigurable intelligent surface device to control a parameter of at least one element of a plurality of elements of the reconfigurable intelligent surface device. The parameter includes information indicating a phase angle. The method (500) includes transmitting (504) the control signal to the reconfigurable intelligent surface device to control the parameter of the at least one element of the reconfigurable intelligent surface device.
    Type: Application
    Filed: April 16, 2021
    Publication date: June 20, 2024
    Inventors: Chenxi Zhu, Bingchao Liu, Yi Zhang
  • Patent number: 12015487
    Abstract: Apparatuses, methods, and systems are disclosed for ceasing transmission repetition. One apparatus includes a transmitter that transmits data to a base unit in a first transmission time interval (“TTI”). Here, the data is configured for transmission with a predetermined number of repetitions. The apparatus includes a receiver that receives a control signal from the base unit in a second TTI. The apparatus includes a processor that determines whether the control signal corresponds to the data and, in response to the control signal corresponding to the data, determines whether to cease at least one transmission repetition of the data before the number of repetitions reaches the predetermined number.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: June 18, 2024
    Assignee: Motorola Mobility LLC
    Inventors: Haipeng Lei, Chenxi Zhu
  • Publication number: 20240195581
    Abstract: Apparatuses, methods, and systems are disclosed for data block transmissions. One method includes transmitting a data blocks frequency multiplexed in a time duration to a device, wherein: the data blocks are transmitted based on spatial information and a redundancy version sequence; each data block of the data blocks carries the same data varied based on a redundancy version indicated by the redundancy version sequence and occupies a same number of virtual resource blocks in a frequency domain; the data blocks are scheduled by a control channel, wherein the control channel is used to transmit information that indicates the redundancy version sequence of redundancy version sequences configured by high layer signaling; the spatial information is indicated in the control channel or is configured by high layer signaling; and a total number of data blocks of the data blocks is configured by high layer signaling.
    Type: Application
    Filed: February 23, 2024
    Publication date: June 13, 2024
    Inventors: Wei Ling, Chenxi Zhu, Bingchao Liu
  • Publication number: 20240195573
    Abstract: Methods and apparatuses for separate indication of DL TCI state and UL TCI state are disclosed. A method comprises receiving an MAC CE updating the mapping of multiple TCI codepoints and associated TCI state(s), wherein, each TCI codepoint is associated with one UL TCI state or one DL TCI state or both one DL TCI state and one UL TCI state.
    Type: Application
    Filed: April 9, 2021
    Publication date: June 13, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Bingchao Liu, Chenxi Zhu, Wei Ling, Yi Zhang, Lingling Xiao
  • Publication number: 20240188170
    Abstract: Methods and apparatuses for are disclosed. A method comprises receiving a MAC CE indicating a PF value and a value indicating a starting position koffset in frequency domain for a SRS resource: and transmitting the SRS resource in mP contiguous resource blocks starting from k0(pi)+koffset, where mP is the largest integer that is equal to or smaller than (I), wherein mSRS,BSRS is the allocated sounding frequency band of the SRS resource configured by RRC signaling. and k0(pi) is the start position of the SRS resource determined by RRC signaling.
    Type: Application
    Filed: April 6, 2021
    Publication date: June 6, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Bingchao Liu, Chenxi Zhu, Wei Ling, Yi Zhang, Lingling Xiao
  • Publication number: 20240187995
    Abstract: Embodiments of the present application are related to a method and apparatus for PUSCH transmission with repetitions. An exemplary method includes: receiving DCI scheduling a plurality of repetitions of a PUSCH transmission, wherein there is at least one open-loop power control parameter set indication in the DCI; receiving configuration information associated with the PUSCH transmission, indicating: a first and a second SRS resource sets, a mapping pattern, and at least one list of P0-PUSCH-Set, wherein a first part of the plurality of repetitions is associated with the first SRS resource set and a second part of the plurality of repetitions is associated with the second SRS resource set according to the mapping pattern: and transmitting the first part and second part of the plurality of repetitions according to a first P0 value and a second P0 value respectively determined based on the received DCI and configuration information.
    Type: Application
    Filed: April 1, 2021
    Publication date: June 6, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Wei Ling, Chenxi Zhu, Bingchao Liu, Yi Zhang, Lingling Xiao
  • Patent number: 12003444
    Abstract: Apparatuses, methods, and systems are disclosed for determining resources for phase tracking reference signals. One method (500) includes determining (502) a first set of resources. The first set of resources are used for non-zero power phase tracking reference signals for a first downlink transmission and zero power phase tracking reference signals for a second downlink transmission. The method (500) includes determining (504) a second set of resources. The second set of resources are used for zero power phase tracking reference signals for the first downlink transmission and non-zero power phase tracking reference signals for the second downlink transmission. The method (500) includes transmitting (506) the first downlink transmission using the first set of resources and the second set of resources. The first downlink transmission is transmitted concurrently with the second downlink transmission.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: June 4, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Chenxi Zhu, Bingchao Liu, Wei Ling, LingLing Xiao
  • Publication number: 20240178977
    Abstract: Methods and apparatus of enhanced Physical Downlink Control Channel (PDCCH) candidate monitoring are disclosed. The method includes: receiving, by a receiver, configurations of a plurality of search space sets that are linked for a Physical Downlink Control Channel (PDCCH) transmission with a plurality of repetitions; wherein the plurality of repetitions of the PDCCH are transmitted on a plurality of linked candidates; determining, by a processor, whether there is a collision between at least one of the linked candidates and a reserved resource; and providing, by the processor, a candidate monitoring scheme in response to a determination that a first candidate of the linked candidates collides with the reserved resource.
    Type: Application
    Filed: April 1, 2021
    Publication date: May 30, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yi Zhang, Chenxi Zhu, Bingchao Liu, Wei Ling, Lingling Xiao
  • Patent number: 11991103
    Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method comprises: transmitting coherent information of a communication device; and receiving configuration information for the communication device, wherein the configuration information indicates a plurality of phase tracking reference signal (PTRS) ports assigned to the communication device and is based at least on the coherent information.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: May 21, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Bingchao Liu, Chenxi Zhu, Hongmei Liu
  • Patent number: 11990964
    Abstract: Apparatuses, methods, and systems are disclosed for channel state information report calculation. One method (700) includes receiving (702) configuration information for multiple channel state information reference signal resources. The method (700) includes determining (704) two channel state information reference signal resources of the multiple channel state information reference signal resources to be used for calculating a channel state information report. The two channel state information reference signal resources are received from different transmission reception points, different panels, or a combination thereof. In certain embodiments, the method (700) includes transmitting (706) the channel state information report calculated based on the two channel state information reference signal resources.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: May 21, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Chenxi Zhu, Bingchao Liu, Wei Ling
  • Patent number: 11985516
    Abstract: Embodiments of the present disclosure are directed to a method and apparatus for TRP downlink transmission. In an embodiment of the present disclosure, the apparatus includes at least one transmitter that transmits a spatial information configuration for downlink transmission. The spatial information configuration configures at least one time unit for at least one of predefined spatial information and un-predefined spatial information. In the case that the time unit is configured for the predefined spatial information, the downlink transmission is transmitted according to the predefined spatial information. In the case that the time unit is configured for un-predefined spatial information, the downlink transmission is transmitted according to the spatial information indicated in the specific spatial information in the downlink control channel or configured by the high layer signaling.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: May 14, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Wei Ling, Chenxi Zhu, Bingchao Liu, Lingling Xiao
  • Patent number: 11962536
    Abstract: Apparatuses, methods, and systems are disclosed for data block transmissions. One method (1000) includes transmitting (1002) a data blocks frequency multiplexed in a time duration to a device, wherein: the data blocks are transmitted based on spatial information and a redundancy version sequence; each data block of the data blocks carries the same data varied based on a redundancy version indicated by the redundancy version sequence and occupies a same number of virtual resource blocks in a frequency domain; the data blocks are scheduled by a control channel, wherein the control channel is used to transmit information that indicates the redundancy version sequence of redundancy version sequences configured by high layer signaling; the spatial information is indicated in the control channel or is configured by high layer signaling; and a total number of data blocks of the data blocks is configured by high layer signaling.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: April 16, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Wei Ling, Chenxi Zhu, Bingchao Liu
  • Publication number: 20240106609
    Abstract: Methods and apparatus of restriction on linked ePDCCH candidates for ePDCCH soft combining are disclosed. The method includes: receiving, by a receiver, a plurality of Control Resource Set (CORESET) configurations, a plurality of search space set configurations, and a Physical Downlink Control Channel (PDCCH) transmitted with a plurality of repetitions; wherein the plurality of repetitions of the PDCCH are transmitted from a plurality of transmitting-receiving identities, and one CORESET is associated with one search space set; and determining, by a processor, linked monitoring occasions and/or linked candidates for blind detection of the PDCCH with soft combining.
    Type: Application
    Filed: December 30, 2020
    Publication date: March 28, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Yi Zhang, Chenxi Zhu, Bingchao Liu, Wei Ling, Lingling Xiao
  • Patent number: 11943035
    Abstract: Methods and apparatuses for recovering from beam failure are disclosed. A method of recovering from beam failure, comprising: sending a beam failure recovery request message including information regarding beam failure recovery and information regarding a new candidate beam via a working beam of a first cell; monitoring a response via the new candidate beam of a second cell; and receiving the response via the new candidate beam from the second cell.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: March 26, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Chenxi Zhu, Lianhai Wu, Zhennian Sun, Hongmei Liu