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).
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Patent number: 12720378Abstract: Embodiments of the present disclose a wireless communication in an IAB network. The method performed by an IAB node may include: transmitting, to a first IAB donor, a first resource configuration for a mobile terminal (MT) of the IAB node, wherein a distributed unit (DU) of the IAB node is connected to the first IAB donor and the MT of the IAB node is connected to or is for handing over to the second IAB donor; and receiving, from the first IAB donor, a second resource configuration for the DU of the IAB node, wherein the second resource configuration is determined based on the first resource configuration.Type: GrantFiled: April 30, 2021Date of Patent: August 25, 2026Assignee: Lenovo (Beijing) LimitedInventors: Yibin Zhuo, Mingzeng Dai, Lianhai Wu, Le Yan, Congchi Zhang
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Publication number: 20260247251Abstract: Embodiments of the present application relate to methods and apparatuses (900) of a failure handling mechanism for conditional handover (CHO). According to an embodiment of the present application, a user equipment (UE 101) includes a transceiver (902) and a processor (906) coupled to the transceiver (902); and the processor (906) is configured to: receive a conditional handover (CHO) configuration associated with a target master cell group (MCG) and a target secondary cell group (SCG) via the transceiver (902), wherein the CHO configuration includes a CHO execution condition for the target MCG, and wherein the target SCG is same as or different from a source SCG of the UE (201); evaluate the CHO execution condition for the target MCG (202); and perform a CHO procedure to the target MCG, in response to fulfillment of the CHO execution condition for the target MCG (203).Type: ApplicationFiled: July 20, 2022Publication date: August 20, 2026Applicant: Lenovo (Beijing) LimitedInventors: Lianhai Wu, Le Yan, Congchi Zhang, Mingzeng Dai
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Publication number: 20260239130Abstract: Embodiments of the present application relate to methods and apparatuses for a condition-based cell switching procedure under a 3rd Generation Partnership Project (3GPP) 5G system or the like. 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 radio resource control (RRC) configuration information associated with one or more candidate cells via the transceiver from a source cell; and transmit an RRC configuration complete message via the transceiver in response to accessing one candidate cell within the one or more candidate cells based on the RRC configuration information. In some embodiments of the present application, accessing one candidate cell may be triggered by a lower layer signaling.Type: ApplicationFiled: February 16, 2023Publication date: August 13, 2026Applicant: Lenovo (Beijing) LimitedInventors: Lianhai Wu, Mingzeng Dai, Prateek Basu Mallick, Joachim Löhr, Congchi Zhang
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Publication number: 20260238563Abstract: Embodiments of the present disclosure relate to a solution for AI model transfer. In one aspect of the solution, the terminal device keeps part of an AI model that has been successfully received at the terminal device if an interruption occurs during a reception of the AI model. Upon the interruption has been recovered, the terminal device transmits, to a first network device, a status message indicating the part of the AI model for the first network device to decide handling of the part of the AI model at the terminal device. In some embodiments, the first network device may transfer a remaining part of the AI model instead of providing the whole of the AI model. Therefore, the transmission efficiency may be improved and the air interface resources may be used in a more efficient way.Type: ApplicationFiled: April 14, 2023Publication date: August 13, 2026Applicant: Lenovo (Beijing) LimitedInventors: Lizhuo Zheng, Congchi Zhang, Jianfeng Wang, Mingzeng Dai, Shuigen Yang, Bingchao Liu
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Publication number: 20260239121Abstract: Embodiments of the present disclosure relate to network devices, a terminal device, and methods performed by the network devices and/or the terminal device. In an aspect, a first network device determines a conditional handover (CHO)-only configuration, wherein the CHO-only configuration does not support a terminal device to perform a conditional primary secondary cell addition or change (CPAC) in a multi-radio dual connectivity (MR-DC) environment. The first network device transmits, to the terminal device, the CHO-only configuration for deployment by the terminal device in the event that a CPAC execution condition in the MR-DC environment is not fulfilled by the terminal device. In this way, the communication reliability and efficiency may be improved.Type: ApplicationFiled: May 11, 2023Publication date: August 13, 2026Applicant: Lenovo (Beijing) LimitedInventors: Shuigen Yang, Lianhai Wu, Congchi Zhang, Mingzeng Dai, Le Yan
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Publication number: 20260239152Abstract: Embodiments of the present application relate to methods and apparatuses of a mobility robustness optimization (MRO) mechanism for a mobility procedure, for example, a MRO mechanism for a conditional handover (CHO) procedure, or a MRO mechanism for a conditional primary secondary cell group cell (PSCell) change/conditional PSCell addition (CPC/CPA) procedure, or a MRO mechanism for a CHO including target master cell group (MCG) and candidate secondary cell groups (SCG) s for CPC/CPA procedure. According to an embodiment of the present application, a network node includes a transceiver and a processor coupled to the transceiver, and the processor is configured to cause the network node to: obtain information of a cell for recovering a failure, when the failure occurs in one of the following: a CHO procedure, a conditional PSCell addition or change (CPAC) procedure, and a CHO including target MCG and candidate SCGs for CPC/CPA procedure; and perform analysis for the failure.Type: ApplicationFiled: April 3, 2023Publication date: August 13, 2026Applicant: Lenovo (Beijing) LimitedInventors: Le Yan, Mingzeng Dai, Congchi Zhang, Lianhai Wu, Shuigen Yang, Yibin Zhuo
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Publication number: 20260230990Abstract: Embodiments of the present application relate to methods and apparatuses for a conditional handover (CHO) with a candidate secondary cell groups (SCG)s for conditional primary secondary cell group cell (PSCell) change (CPC)/conditional PSCell addition (CPA) procedure. 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 cause the UE to: receive radio resource control (RRC) configuration information for a CIIO with candidate secondary cell groups (SCG)s for conditional primary secondary cell group cell (PSCell) change (CPC)/conditional PSCell addition (CPA) procedure; and access the candidate PCell based on the RRC configuration information.Type: ApplicationFiled: May 10, 2023Publication date: August 6, 2026Applicant: Lenovo (Beijing) LimitedInventors: Lianhai Wu, Shuigen Yang, Le Yan, Congchi Zhang
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Publication number: 20260231165Abstract: Embodiments of the present disclosure relate to methods and apparatuses for early timing advance (TA) acquisition. According to some embodiments of the disclosure, a first distributed unit (DU) of a base station (BS) may: receive, from a centralized unit (CU) of the BS, configuration information regarding early TA acquisition with a candidate cell for cell switching; and transmit, to a user equipment (UE) served by the first DU, a physical downlink control channel (PDCCH) order associated with the candidate cell, wherein the PDCCH order triggers the UE to transmit a signal (e.g., a preamble) to the candidate cell via the configured random access channel (RACH) occasion.Type: ApplicationFiled: May 11, 2023Publication date: August 6, 2026Inventors: Lianhai WU, Mingzeng DAI, Congchi ZHANG, Bingchao LIU
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Publication number: 20260222852Abstract: The present disclosure relates to methods and apparatuses for supporting radio access network (RAN) analytics information (RAI) exposure in an open-RAN (O-RAN). One embodiment of the present disclosure provides a server, as a producer of RAI, which includes: a first module for transmitting, to a RAN intelligent controller (RIC) platform, a first message(s) indicating at least one supported RAI type; and a second module for generating RAI of a supported RAI type.Type: ApplicationFiled: January 6, 2023Publication date: July 30, 2026Applicant: Lenovo (Beijing) LimitedInventors: Shuigen Yang, Mingzeng Dai, Congchi Zhang
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Publication number: 20260222924Abstract: Embodiments of the present disclosure relate to devices and methods for supporting layer 1 measurement-based layer 1 or layer 2 triggered mobility. A first network device obtains a channel state information (CSI) resource set associated with one or more candidate cells for at least one Layer 1 (L1) measurement, wherein the CSI resource set is to be used by a terminal device to perform the at least one L1 measurement; and transmit, via the transceiver to a second network device serving the terminal device, information indicative of the CSI resource set. In this way, the L1 measurement report may not support the L1 measurement-based LTM.Type: ApplicationFiled: April 7, 2023Publication date: July 30, 2026Applicant: LENOVO (BEIJNG) LIMITEDInventors: Shuigen Yang, Congchi Zhang, Mingzeng Dai, Bingchao Liu, Lianhai Wu, Le Yan
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Publication number: 20260222837Abstract: Embodiments of the present application relate to a method and apparatus of supporting artificial intelligence (AI). An exemplary method includes: deploying at least one AI model, wherein a status of each AI model includes one of active status, inactive status or idle status; monitoring an AI model of the at least one AI model, wherein, the AI model is in the active status or the inactive status; and switching the status of the AI model based on results of monitoring.Type: ApplicationFiled: December 29, 2022Publication date: July 30, 2026Applicant: Lenovo (Beijing) LimitedInventors: Jianfeng Wang, Bingchao Liu, Congchi Zhang
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Patent number: 12696149Abstract: The present application relates to methods and apparatuses for handling failure.Type: GrantFiled: September 30, 2021Date of Patent: July 28, 2026Assignee: LENOVO (BEIJING) LIMITEDInventors: Le Yan, Lianhai Wu, Mingzeng Dai, Congchi Zhang, Yibin Zhuo
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Patent number: 12696343Abstract: A wireless communication device (UE1) determines a DRX configuration for D2D communication. The DRX configuration is based on at least one timer maintained by the wireless communication device (UE1). Further, the wireless communication device (UE1) controls the at least one timer based on at least one D2D transmission between the wireless communication device (UE1) and a further wireless communication device (UE2). Based on the DRX configuration, the wireless communication device (UE1) receives at least one D2D transmission (405) from the further wireless communication device (UE2).Type: GrantFiled: July 29, 2021Date of Patent: July 28, 2026Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Shehzad Ali Ashraf, Zhang Zhang, Antonino Orsino, Hieu Do, Ricardo Blasco Serrano, Congchi Zhang
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Publication number: 20260197741Abstract: Embodiments of the present application relate to methods and apparatuses for a conditional handover (CHO) with candidate secondary cell group (SCG) mechanism. 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, via the transceiver, a radio resource control (RRC) configuration and another RRC configuration, wherein the RRC configuration includes conditional handover (CHO) configuration information and a CHO execution condition for a candidate master cell group (MCG), and the another RRC configuration includes configuration information for one or more candidate secondary cell groups (SCG) sand a set of execution conditions for the one or more candidate SCGs; and evaluate the CHO execution condition for the candidate MCG upon reception of the RRC configuration.Type: ApplicationFiled: January 19, 2023Publication date: July 9, 2026Applicant: Lenovo (Beijing) LimitedInventors: Lianhai Wu, Mingzeng Dai, Congchi Zhang, Le Yan
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Publication number: 20260197731Abstract: Embodiments of the present application relate to a method and apparatus of supporting quality of experience (QoE) measurement collection. An exemplary method, e.g., performed by UE may include: receiving QoE measurement configuration information for a QoE measurement, wherein, the QoE measurement is configured by a master node (MN) and a reporting leg for QoE measurement report of the QoE measurement is configured to be a secondary cell group (SCG), or the QoE measurement is configured by a secondary node (SN) and a reporting leg for QoE measurement report of the QoE measurement is configured to be a master cell group (MCG) or SCG; and determining operations on the QoE measurement in response to the SCG being determined to be unavailable.Type: ApplicationFiled: February 17, 2023Publication date: July 9, 2026Inventors: Mingzeng Dai, Hyung-Nam Choi, Congchi Zhang, Lianhai Wu
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Patent number: 12666276Abstract: The present application relates to a method and an apparatus for determining a prediction for a status of a wireless network. One embodiment of the present disclosure provides a method for determining a prediction for a status of a wireless network, comprising: transmitting a first request associated with the prediction to a first node and a second node; receiving information of a trained AI model from the second node; transmitting, to the first node, input for the trained AI model; and receiving the prediction from the first node, wherein the prediction is determined based on the trained AI model and the input.Type: GrantFiled: January 8, 2021Date of Patent: June 23, 2026Assignee: Lenovo (Beijing) LimitedInventors: Congchi Zhang, Mingzeng Dai, Le Yan, Haiming Wang
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Patent number: 12659712Abstract: Embodiments of the present application relate to a method and apparatus for user equipment (UE) discovery. An exemplary method includes: generating a first discovery message for UE discovery; delivering the first discovery message to a PC5 signalling (PC5-S) layer of a first UE; generating a PC5-S message, wherein the PC5-S message includes discovery information of the first discovery message; and broadcasting the PC5-S message including the discovery information via a signalling radio bearer (SRB). Embodiments of the present application can implement transmission of messages during the discovery procedure and realize a ranging based service during the discovery procedure.Type: GrantFiled: September 30, 2020Date of Patent: June 16, 2026Assignee: Lenovo (Beijing) LimitedInventors: Lianhai Wu, Congchi Zhang, Mingzeng Dai, Jing Han, Haiming Wang
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Publication number: 20260155879Abstract: Methods and apparatuses for beam management initiated by UE are disclosed. In one embodiment, a UE comprises a transceiver; and a processor coupled to the transceiver, wherein the processor is configured to transmit, via the transceiver, a beam management request message containing at least one beam management request, each beam management request is initiated for a cell for which a predicted beam invalidation event is detected; receive, via the transceiver, a response to the beam management request message; and perform beam management according to the response.Type: ApplicationFiled: June 17, 2022Publication date: June 4, 2026Applicant: Lenovo (Beijing) LimitedInventors: Bingchao Liu, Jianfeng Wang, Congchi Zhang, Tingnan Bao, Xin Guo
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Patent number: 12647836Abstract: Embodiments of the present application relate to methods and apparatuses for handling a service belonging to a multicast broadcast service (MBS) at a radio access network (RAN) node under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can include: receiving information relating to one or more on-going MBS associated with a UE at one or more RAN nodes; and receiving configuration information from another RAN node, so that at least some or all of data relating to at least one of the one or more on-going MB S associated with the UE can be provided by the abovementioned another RAN node.Type: GrantFiled: January 8, 2021Date of Patent: June 2, 2026Assignee: Lenovo (Beijing) LimitedInventors: Congchi Zhang, Mingzeng Dai, Lianhai Wu, Le Yan, Hyung-Nam Choi, Prateek Basu Mallick, Joachim Löhr
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Patent number: 12635022Abstract: Embodiments of the present application relate to methods and apparatuses for a beam failure detection and recovery procedure in a deactivated secondary node (SN) case 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 include: receiving configuration information relating to at least one of a beam failure detection (BFD) procedure and a beam failure recovery (BFR) procedure; and receiving a deactivation indication associated with a SN of the UE, or determining an expiry of a timer associated with deactivating the SN of the UE, wherein the deactivation indication is included in at least one of: a radio resource control (RRC) message; and a deactivation medium access control (MAC) control element (CE).Type: GrantFiled: January 21, 2021Date of Patent: May 19, 2026Assignee: Lenovo (Beijing) LimitedInventors: Lianhai Wu, Congchi Zhang, Bingchao Liu, Mingzeng Dai, Le Yan