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: 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: 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: 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: 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
  • Patent number: 12166586
    Abstract: Embodiments of the present disclosure provide a solution for operating radio bearers. According to embodiments of the present disclosure, a terminal device monitors a plurality of data packets transmitted from a network device on a radio bearer. If a reception of at least one data packet in the plurality of data packets is failed, the terminal device is able to discard the at least one data packet without requesting retransmission. The network device determines whether a retransmission condition for the at least one data packet is unfulfilled. If the retransmission condition is unfulfilled, the retransmission of the at least one data packet is skipped.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: December 10, 2024
    Assignee: Lenovo (Beijing) Limited
    Inventors: Congchi Zhang, Mingzeng Dai, Lianhai Wu
  • Publication number: 20240406981
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses of selecting a carrier for a sidelink multi-carrier operation in 3GPP (3rd Generation Partnership Project) 5G networks.
    Type: Application
    Filed: September 6, 2021
    Publication date: December 5, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Jing Han, Mingzeng Dai, Congchi Zhang, Haiming Wang, Lianhai Wu
  • Publication number: 20240406830
    Abstract: Embodiments of the present application relate to methods and apparatuses for a mobility robustness optimisation (MRO) mechanism. According to an embodiment of the present application, a UE includes a processor and a wireless transceiver coupled to the processor; and the processor is configured: to store information including distance information associated with a distance between the UE and a reference location, wherein the information is at least one of radio link failure (RLF) related information, handover failure related information, or handover success related information; and to transmit the information via the wireless transceiver to a network node.
    Type: Application
    Filed: September 30, 2021
    Publication date: December 5, 2024
    Inventors: Le YAN, Mingzeng DAI, Lianhai WU, Congchi ZHANG, Yibin ZHUO
  • Patent number: 12150211
    Abstract: Various embodiments of the present disclosure provide a method for platoon-based communications. The method which may be performed by a first network node comprises determining, at a radio layer, a group header of a device group which comprises at least a terminal device. The group header comprises at least one of: an application layer group header being responsible for management of the device group at an application layer, and a radio layer group header being responsible for management of the device group at the radio layer. According to the embodiments of the present disclosure, a radio layer group header may be appointed for a device group so that communication management on the device group can be performed at the radio level.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 19, 2024
    Assignee: Telefonaktiebolagget LM Ericsson (Publ)
    Inventors: Marco Belleschi, Zhang Zhang, Congchi Zhang, Liang Hu, Shehzad Ali Ashraf
  • Patent number: 12133218
    Abstract: Embodiments include methods performed by a wireless device configured to communicate via an uplink (UL) to a network and via a sidelink (SL) to one or more other wireless devices. Such methods include, based on availability of data to be sent via the SL, triggering a SL Scheduling Request (SR) to obtain a first UL grant to facilitate transmission of a Sidelink (SL) Buffer Status Report (BSR) indicating the data available to be sent via the SL. Such methods include, prior to transmitting the SL SR to obtain the first UL grant, transmitting an UL SR to obtain a second UL grant to facilitate transmission of an UL BSR indicating data available to be sent via the UL. Such methods include selectively transmitting the SL BSR using the second UL grant and cancelling the SL SR transmission in response to transmitting the SL BSR using the second UL grant.
    Type: Grant
    Filed: January 2, 2024
    Date of Patent: October 29, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhang Zhang, Congchi Zhang, Marco Belleschi
  • Publication number: 20240357416
    Abstract: Methods and apparatuses are provided for supporting connectivity of multiple secondary nodes (SNs) (103) in a multi-radio dual connectivity (MR-DC) scenario under a 3rd Generation Partnership Project (3GPP) 5G system or the like. A method can be performed by a network device, e.g., a master node (MN) in a MR-DC scenario and can include: determining whether to support a quality of service (QOS) flow terminated at one SN or whether to support a further QoS flow terminated at multiple SNs simultaneously (401A); in response to supporting the QoS flow, determining that the QoS flow is terminated at a SN and the QoS flow uses a radio resource of a secondary cell group (SCG) at a further SN (402A); and in response to supporting the further QoS flow, transmitting, to a core network (CN) node, information regarding a current serving SN of the futher QoS flow (403A).
    Type: Application
    Filed: August 20, 2021
    Publication date: October 24, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Congchi Zhang, Lianhai Wu, Mingzeng Dai, Le Yan
  • Publication number: 20240357587
    Abstract: Embodiments of the present application relate to methods and apparatuses for uplink (UL) transmission. According to an embodiment of the present application, a method may include: receiving configuration information from a base station (BS) for UL traffic from a user equipment (UE); transmitting assistance information related to the UL traffic that is transmitted from the UE to the BS; and in response to transmitting the assistance information from the UE to the BS, receiving updated configuration information from the BS for subsequent UL traffic from the UE. Embodiments of the present application can support extended reality (XR) service by considering the uplink traffic characteristics.
    Type: Application
    Filed: August 30, 2021
    Publication date: October 24, 2024
    Applicant: Lenovo (Beijing) Limited
    Inventors: Congchi Zhang, Mingzeng Dai, Jing Han, Lianhai Wu, Haiyan Luo
  • Publication number: 20240334433
    Abstract: Apparatuses, methods, and systems are disclosed for indicators for physical downlink shared channel transmissions. One method (1200) includes receiving (1202), at a user equipment, a physical downlink control channel signal. The physical downlink control channel signal is associated with a physical downlink shared channel transmission, and the physical downlink control channel signal includes a control information field. The control information field includes a first indicator and a second indicator. The first indicator and the second indicator correspond to the physical downlink shared channel transmission, the first indicator corresponds to physical downlink shared channel transmissions using a first transmission mode, and the second indicator corresponds to physical downlink shared channel transmissions using a second transmission mode.
    Type: Application
    Filed: July 14, 2021
    Publication date: October 3, 2024
    Inventors: Joachim Löhr, Haipeng Lei, Congchi Zhang, Mingzeng Dai, Hyung-Nam Choi, Prateek Basu Mallick
  • Patent number: 12101803
    Abstract: A method is disclosed for operating a user equipment (UE) for device-to-device (D2D) communications. The method includes receiving booking information from another UE. The booking information identifying a resource that the other UE is booking to use for transmission by the other UE and further including priority information. The method further includes selectively transmitting preemption signaling based on whether the received priority information indicates lower priority than local priority information that is associated with a transmission to be scheduled by the UE. The preemption signaling indicates preemption of the UE to use the resource identified by the booking information. The method further includes scheduling the UE to transmit using the resource identified by the booking information.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: September 24, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Congchi Zhang, Shehzad Ali Ashraf, Marco Belleschi
  • Patent number: 12096264
    Abstract: Various embodiments of the present disclosure provide methods and apparatuses for handling report of channel state information for sidelink. A method performed by a base station comprises receiving, from a first terminal device, at least one report indicating channel state information of at least one sidelink connection associated with the first terminal device.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: September 17, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Wanlu Sun, Congchi Zhang, Zhang Zhang, Shehzad Ali Ashraf, Ricardo Blasco Serrano
  • Publication number: 20240306049
    Abstract: The present application relates to a method and an apparatus for performing a Primary Secondary Cell (PSCell) change procedure. One embodiment of the present disclosure provides a method, which includes: receiving first information associated with a user equipment (UE) for a secondary node (SN) change or a primary secondary cell (PSCell) change; and/or receiving second information associated with one or more candidate nodes for the SN change or the PSCell change; and determining an action regarding the SN change or the PSCell change with a machine learning (ML) model based on the first information and/or the second information.
    Type: Application
    Filed: January 14, 2021
    Publication date: September 12, 2024
    Inventors: Le Yan, Mingzeng Dai, Congchi Zhang, Haiming Wang