Patents by Inventor Congchi ZHANG

Congchi ZHANG 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: 20250142428
    Abstract: Methods and apparatuses for handover with new cell being involved are disclosed. A base unit comprises a processor; and a transceiver coupled to the processor, wherein, the processor is configured to receive, via the transceiver, a preference of handover of a UE for target base unit; and perform handover of the UE according to the preference of handover of the UE.
    Type: Application
    Filed: May 17, 2022
    Publication date: May 1, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Ran Yue, Lianhai Wu, Haiming Wang, Xiaodong Yu, Congchi Zhang
  • Patent number: 12289742
    Abstract: A method and apparatus for hybrid automatic retransmission request (HARQ) is provided. The method is performed by a first UE. The method includes receiving, from a NodeB, an acknowledge configuration indicating an HARQ scheme of the first UE and uplink resource for the HARQ scheme; determining whether an acknowledgement for a data block associated with a first downlink control information (DCI) is to be transmitted according to the HARQ scheme.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: April 29, 2025
    Assignee: Lenovo (Beijing) Limited
    Inventors: Congchi Zhang, Haipeng Lei, Mingzeng Dai, Lianhai Wu, Joachim Löhr, Hyung-Nam Choi
  • Publication number: 20250126539
    Abstract: Embodiments of the present application relate to methods and apparatuses for a combined condition in a conditional handover (CHO) procedure under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can be performed by a user equipment (UE) and can include: receiving, from a network node, CHO configuration information associated with a candidate cell of the UE, wherein the CHO configuration information includes an execution condition comprising an event and a further event; and transmitting, to the network node, assistant information related to at least one of the event and the further event.
    Type: Application
    Filed: August 18, 2021
    Publication date: April 17, 2025
    Inventors: Lianhai WU, Mingzeng DAI, Le YAN, Congchi ZHANG
  • Publication number: 20250119796
    Abstract: The present application generally relates to wireless communication technology. More particularly, it relates to a method and apparatus for controlling sidelink (SL) Quality of Service (QoS). According to one or more embodiments, a method for controlling sidelink (SL) Quality of Service (QoS) including the following steps carried out at a User Equipment (UE): a) generating QoS requirement from characteristics for one or more packets to be transmitted via a sidelink; b) determining bearer configuration corresponding to the QoS requirement; and c) performing SL transmission on the basis of the bearer configuration.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 10, 2025
    Inventors: Congchi ZHANG, Marco BELLESCHI, Zhang ZHANG, Yunxi LI
  • Patent number: 12273207
    Abstract: A method is provided that includes selecting a resource within a resource selection window for an initial transmission of a first Medium Access Control protocol data unit (MAC PDU) of a plurality of periodic MAC PDUs to be transmitted by a first communication device (TX UE) over a device-to-device, D2D, link to a second communication device (RX UE). The method further includes selecting a period (P) for periodic transmission of the plurality of periodic MAC PDUs so that initial transmissions of all MAC PDUs of the plurality of periodic MAC PDUs other than the first MAC PDU occur in resources after the resource selection window. Communication devices (RX UE) and computer program products are also provided.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: April 8, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Congchi Zhang, Ricardo Blasco Serrano, Antonino Orsino
  • Publication number: 20250106897
    Abstract: Embodiments of the present application relate to methods and apparatuses for deactivation secondary node (SN) with multiple transmission reception points (TRPs) and a secondary cell group (SCG) activation failure. According to an embodiment of the present application, a user equipment (UE) includes a transceiver and a processor coupled to the transceiver; and the processor is configured: to receive a first configuration associated with a set of transmission reception points (TRPs) for a secondary cell group (SCG) of a network; to receive a second configuration associated with a state of the SCG of the network, wherein the state of the SCG corresponds to a deactivated state; to receive an activation indication associated with the SCG from the network; and to access to the SCG via a random access channel (RACH) procedure.
    Type: Application
    Filed: March 4, 2022
    Publication date: March 27, 2025
    Inventors: Lianhai WU, Congchi ZHANG, Mingzeng DAI, Le YAN
  • Publication number: 20250097797
    Abstract: The present application relates to methods and apparatus for MRO for PSCell change or CPAC in NR-U. One embodiment of the present disclosure provides a master node (MN), comprising: a transceiver; and a processor coupled to the transceiver, wherein the transceiver is configured to receive first information related to downlink (DL) listen before talk (LBT) failure from a first secondary node (SN), and/or second information related to uplink (UL) LBT failure associated with secondary cell group (SCG) failure from one of: a user equipment (UE), or a third node, or a second SN; and wherein the processor is configured to determine whether or not to transfer the first information and/or the second information to the second SN for the second SN to perform a SCG failure type detection.
    Type: Application
    Filed: January 6, 2022
    Publication date: March 20, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Le Yan, Mingzeng Dai, Lianhai Wu, Yibin Zhuo, Congchi Zhang
  • Publication number: 20250081076
    Abstract: Embodiments of the present application relate to methods and apparatuses for mobility enhancements for an unmanned aerial vehicle (UAV). According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver, configuration information of a conditional handover (CHO) procedure regarding at least one of a height based condition or a flight path based condition; to evaluate whether at least one execution condition for at least one candidate cell of the CHO procedure is satisfied, wherein the at least one execution condition includes the at least one of the height based condition or the flight path based condition; and to execute the CHO procedure upon the at least one execution condition being satisfied.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 6, 2025
    Inventors: Le YAN, Jing HAN, Lianhai WU, Mingzeng DAI, Yibin ZHUO, Congchi ZHANG
  • Publication number: 20250071660
    Abstract: Embodiments of the present application relate to methods and apparatuses for handling establishment and failure in a multi-path case. According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to access a serving cell of a network node via a path, wherein the path is a direct path or an indirect path between the UE and the network node; to receive configuration information regarding a path addition procedure via the transceiver from the network node, wherein the path addition procedure is for adding a further path between the UE and the network node; to initiate the path addition procedure; and to start a timer related to the path addition procedure.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 27, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Lianhai Wu, Mingzeng Dai, Jing Han, Congchi Zhang, Ran Yue
  • Publication number: 20250071851
    Abstract: Embodiments of the present application relate to a method and apparatus of supporting multicast and broadcast services (MBS). An exemplary method includes: receiving by a user equipment (UE), configuration information on at least one condition parameter associated with radio resource control (RRC) state transition for multicast reception; and triggering a RRC connection resume procedure by the UE to enter a RRC connected state from a RRC inactive state in response to that the at least one condition parameter is fulfilled in the case that the UE is receiving multicast or is configured to receive the multicast in the RRC inactive state.
    Type: Application
    Filed: December 31, 2021
    Publication date: February 27, 2025
    Inventors: Mingzeng DAI, Jing HAN, Lianhai WUY, Congchi ZHANG
  • Publication number: 20250071850
    Abstract: Embodiments of the present application relate to a method and apparatus of supporting multicast and broadcast services (MBS). An exemplary method includes: receiving at least one signaling indicating MRB configuration information for multicast reception in RRC non-connected state, wherein the at least one signaling is at least one of: a RRC dedicated signaling received in a RRC connected state or a RRC dedicated signaling received during a state transition from the RRC connected state to the RRC non-connected state; and in response to the state transition from the RRC connected state to the RRC non-connected state, receive, multicast data of MRB in the RRC non-connected state based on the received MRB configuration information for multicast reception in RRC non-connected state.
    Type: Application
    Filed: December 31, 2021
    Publication date: February 27, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Mingzeng Dai, Lianhai Wu, Congchi Zhang, Jing Han
  • Publication number: 20250048173
    Abstract: Embodiments of the present application relate to a method and apparatus of reporting buffer status. An exemplary UE includes: at least one receiving circuitry; at least one transmitting circuitry; and at least one processor coupled to the at least one receiving circuitry and the at least one transmitting circuitry, wherein the at least one processor is configured to: trigger a buffer status report (BSR) in response to a trigger condition associated with an application data unit (ADU) being satisfied; and generate buffer status information for the BSR.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 6, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Jing Han, Yibin Zhuo, Mingzeng Dai, Lianhai Wu, Congchi Zhang, Haiyan Luo, Haiming Wang
  • Patent number: 12212986
    Abstract: A first and second UE are connected via a PC5 unicast link. Both maintain a list of potential Side link relay UEs and agree on a common list of UEs that appear in both lists. When the first UE detects that the second UE has trouble receiving it's transmission, e.g. ack/nack timeout or high level of NACKs, decide to use a third UE from the common list as Side Link relay towards the second UE.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: January 28, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Muhammad Ali Kazmi, Santhan Thangarasa, Congchi Zhang, Jose Angel Leon Calvo
  • Patent number: 12207140
    Abstract: The present application generally relates to wireless communication technology. More particularly, it relates to a method and apparatus for controlling sidelink (SL) Quality of Service (QoS). According to one or more embodiments, a method for controlling sidelink (SL) Quality of Service (QoS) comprising the following steps carried out at a User Equipment (UE): a) generating QoS requirement from characteristics for one or more packets to be transmitted via a sidelink; b) determining bearer configuration corresponding to the QoS requirement; and c) performing SL transmission on the basis of the bearer configuration.
    Type: Grant
    Filed: August 25, 2023
    Date of Patent: January 21, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Congchi Zhang, Marco Belleschi, Zhang Zhang, Yunxi Li
  • Publication number: 20250024510
    Abstract: Embodiments of the present application relate to methods and apparatuses of a mobility robustness optimization (MRO) mechanism for uplink (UL) coverage enhancement (CE) and network slicing procedures. According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver from a network node, configuration information regarding at least one of a network slicing operation or an uplink (UL) transmission repetition operation; to perform a UL data transmission procedure or a random access channel (RACH) procedure based on the configuration information; and to transmit, via the transceiver to a serving cell, assistant information related to a failure of the UL data transmission procedure or a random access problem of the RACH procedure, wherein the assistant information is associated with at least one of the network slicing operation or the UL transmission repetition operation.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 16, 2025
    Inventors: Lianhai Wu, Mingzeng Dai, Le Yan, Congchi Zhang, Yibin Zhuo
  • Publication number: 20250016547
    Abstract: Embodiments of the present application relate to a wireless communication method and apparatus of supporting artificial intelligence. An exemplary method may include: transmitting a capability request message from a master node to a slave node of the master node, wherein, the master node is configured to have an authorization to manage the slave node, and the capability request message at least inquires whether AI capability for communication is supported in the slave node; and receiving a capability report message from the slave node by the master node, wherein the capability report message at least reports whether the AI capability for communication is supported in the slave node.
    Type: Application
    Filed: October 22, 2021
    Publication date: January 9, 2025
    Applicant: Lenovo (Beijing) Limited
    Inventors: Jianfeng Wang, Mingzeng Dai, Congchi Zhang, Haiming Wang
  • Publication number: 20250016618
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for packet data convergence protocol (PDCP) reordering management. According to an embodiment of the present disclosure, a user equipment (UE) can include: a receiver configured to receive at least one of application data unit (ADU) discard information associated with an ADU or ADU related information associated with the ADU; and a processor coupled to the receiver and configured to perform a PDCP reordering window management based on the received at least one of the ADU discard information or the ADU related information.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 9, 2025
    Inventors: Mingzeng DAI, Jing HAN, Congchi ZHANG, Lianhai WU, Haiyan LUO, Yibin ZHUO, Le YAN
  • Publication number: 20250008389
    Abstract: Embodiments of the present application relate to methods and apparatuses for a primary secondary cell (PSCell) switch procedure in a multi-radio dual connectivity (MR-DC) scenario under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can be performed by a user equipment (UE) in a MR-DC scenario and can include: transmitting capability information of the UE to a network, wherein the capability information indicates that the UE supports a PSCell switch procedure to switch from a source PSCell to a target PSCell; receiving configuration information from the network; performing the PSCell switch procedure based on the received configuration information, to switch from the source PSCell to the target PSCell; and transmitting information regarding the target PSCell to the network.
    Type: Application
    Filed: July 23, 2021
    Publication date: January 2, 2025
    Inventors: Congchi ZHANG, Lianhai WU, Mingzeng DAI, Le YAN
  • Publication number: 20240422632
    Abstract: The present application relates to a method and an apparatus for determining a failure type. One embodiment of the present disclosure provides a method performed by a user equipment (UE), which includes: performing a first listen before talk (LBT) procedure before transmitting an access message for a handover procedure; determining first LBT information and/or first handover failure (HOF) information when a HOF occurs; and transmitting the first LBT information and/or the first HOF information to a serving node of the UE.
    Type: Application
    Filed: January 25, 2021
    Publication date: December 19, 2024
    Inventors: Le YAN, Mingzeng DAI, Lianhai WU, Congchi ZHANG
  • Publication number: 20240414604
    Abstract: The present application relates to methods and apparatuses for handling failure.
    Type: Application
    Filed: September 30, 2021
    Publication date: December 12, 2024
    Inventors: Le YAN, Lianhai WU, Mingzeng DAI, Congchi ZHANG, Yibin ZHUO