Patents by Inventor Yuantao Zhang
Yuantao 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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Publication number: 20230071326Abstract: The present application is related to method and apparatus for enhancing Physical Downlink Control Channel (PDCCH) coverage. The method for enhancing PDCCH coverage comprises: receiving a search space set configuration; determining a plurality of Control Resource Set (CORESET) copies for the search space set configuration; and receiving a same Downlink Control Information (DCI) in a set of CORESET copies of the plurality of CORESET copies.Type: ApplicationFiled: February 14, 2020Publication date: March 9, 2023Applicant: Lenovo (Beijing) Ltd.Inventors: Yuantao Zhang, Yingying Li, Zhi Yan, Hongmei Liu, Haiming Wang
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Publication number: 20230075748Abstract: Methods and apparatuses for narrowband Internet-of-things (NBIoT) hybrid automatic repeat request (HARQ) related enhancement in a non-terrestrial network (NTN) are disclosed. A method comprises transmitting a control signal, the control signal includes at least one of a transmission repetition number index, a scheduling delay index, a resource assignment index, a NDI, a HARQ resource indication, and a MCS index; and transmitting or receiving a data signal based on the control signal, the data signal starts at the end of the control signal plus a first number of time slots, the data signal includes a second number of transmission repetitions of a third number of time durations.Type: ApplicationFiled: February 14, 2020Publication date: March 9, 2023Applicant: Lenovo (Beijing) Ltd.Inventors: Zhi Yan, Hongmei Liu, Yuantao Zhang, Yingying Li, Haiming Wang
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Publication number: 20230064881Abstract: Embodiments of the present disclosure relates to methods and apparatuses for wireless communication. According to some embodiments of the present disclosure, a method includes: receiving a signaling indicating configuration information on a set of aperiodic channel state information reference signal (CSI-RS) resources corresponding to a trigger state in a downlink control information (DCI). The set of aperiodic CSI-RS resources may include a plurality of subsets of aperiodic CSI-RS resources; and receiving at least one aperiodic CSI-RS resource of the set of aperiodic CSI-RS resources according to the configuration information.Type: ApplicationFiled: February 27, 2020Publication date: March 2, 2023Applicant: Lenovo (Beijing) Ltd.Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Yingying Li, Haiming Wang
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Publication number: 20230060015Abstract: Embodiments of the present application are related to a method and apparatus for physical random access channel (PRACH) repetitions. A method according to an embodiment of the present application includes: receiving signaling information indicating at least one of a total number of a set of preambles in a period, a total number of a set of physical uplink shared channel (PUSCH) resource units (PRUs) in the period, a preamble repetition number in the period and a PRU repetition number in the period; and determining a mapping ratio of preambles to PRUs in the period based on the received signaling information.Type: ApplicationFiled: January 22, 2020Publication date: February 23, 2023Applicant: Lenovo (Beijing) Ltd.Inventors: Hongmei Liu, Zhi Yan, Yuantao Zhang, Haipeng Lei
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Publication number: 20230030756Abstract: Embodiments of the present application relate to a method and an apparatus for reducing operations of monitoring PDCCH. According to an embodiment of the present application, a method can include: receiving configuration information indicating a plurality of search space sets and an activation or deactivation state for each search space set of the plurality of search space sets; and receiving an activation-deactivation indication in first downlink control information (DCI) in a first search space set in an activation state of the plurality of search space sets, wherein the activation-deactivation indication is configured to: trigger switching at least one second search space set of the plurality of search space sets from a deactivation state to an activation state; or trigger switching the at least one second search space set of the plurality of search space sets from an activation state to a deactivation state.Type: ApplicationFiled: January 10, 2020Publication date: February 2, 2023Applicant: Lenovo (Beijing) Ltd.Inventors: Yuantao Zhang, Yi Zhang, Zhi Yan, Hongmei Liu, Haiming Wang
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Publication number: 20230008945Abstract: Embodiments of the present application relate to a method and an apparatus for uplink data transmission. According to an embodiment of the present application, a method can include: transmitting first message for subsequent data transmission from a UE; receiving information indicating a set of demodulation reference signal (DMRS) parameters; and determining at least one DMRS parameter for the subsequent data transmission from the UE based on the received information. Embodiments of the present application provide a technical solution for uplink data transmission for a UE in a RRC INACTIVE state. Accordingly, embodiments of the present application can facilitate the implementation of uplink (UL) data transmission for the UE in the RRC INACTIVE state.Type: ApplicationFiled: January 3, 2020Publication date: January 12, 2023Applicant: Lenovo (Beijing) Ltd.Inventors: Yuantao Zhang, Yi Zhang, Hongmei Liu, Haiming Wang
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Publication number: 20220418000Abstract: Embodiments of the present application relate to a method and an apparatus for random access procedure. According to an embodiment of the present application, a method can include: receiving, at a user equipment (UE), synchronization information; and determining an initial uplink (UL) bandwidth part (BWP) for the UE based on a random access channel (RACH) occasion associated with the synchronization information. Embodiments of the present application provide methods for determining an initial UL BWP for the UE. Accordingly, embodiments of the present application can facilitate the implementation of the random access procedure for the NR-Light UE.Type: ApplicationFiled: November 15, 2019Publication date: December 29, 2022Applicant: Lenovo (Beijing) Ltd.Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haipeng Lei, Haiming Wang
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Publication number: 20220408491Abstract: Embodiments of the present application are related to a method and apparatus for physical random access channel (PRACH) repetitions. A method according to an embodiment of the present application includes: receiving signaling information for indicating a synchronization signal block (SSB) group size; mapping indices of a plurality of SSBs to a plurality of physical random access channel (PRACH) occasions for a number of PRACH repetitions, wherein the plurality of SSBs are divided into one or more SSB groups based on the indicated SSB group size; and determining a set of PRACH occasions corresponding to one of the indices of the plurality of SSBs from the plurality of PRACH occasions based on the mapping.Type: ApplicationFiled: November 8, 2019Publication date: December 22, 2022Applicant: Lenovo (Beijing) Ltd.Inventors: Hongmei Liu, Zhi Yan, Yingying Li, Yuantao Zhang, Haipeng Lei
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Publication number: 20220394601Abstract: The present disclosure is related to a method and apparatus for wireless communication. A method performed by a user equipment, comprising: determining a first control resource set based on configuration information associated with a second control resource set; and determining a first search space based on configuration information associated with a second search space, wherein the first control resource set is associated with the first search space and the second control resource set is associated with the second search space.Type: ApplicationFiled: November 15, 2019Publication date: December 8, 2022Applicant: Lenovo (Beijing) Ltd.Inventors: Yuantao Zhang, Hongmei Liu, Zhi Yan, Yingying Li, Haipeng Lei, Haiming Wang
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Patent number: 11510149Abstract: A user equipment that supports a first set of beams accumulates transmit power control (TPC) commands to generate an accumulated correction factor during communication between the user equipment and a base station that supports a second set of beams. The user equipment is configured to use a first subset of the first set of beams during the communication and the base station is configured to use a second subset of the second set of beams during the communication. The user equipment detects a change in the first subset or the second subset. The user equipment resets the accumulated correction factor in response to detecting the change. In some cases, the user equipment generates a plurality of correction factors for a corresponding plurality of closed-loop processes. The user equipment resets some or all of the plurality of correction factors in response to detecting the change.Type: GrantFiled: November 10, 2017Date of Patent: November 22, 2022Assignee: Nokia Technologies OyInventors: Dan Park, Yuantao Zhang, Yi Zhang
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Publication number: 20220366830Abstract: The present disclosure provides a display panel, a driving method, and a display apparatus. The display panel includes pixel circuits, the pixel circuits include: a drive transistor, with a gate electrically connected to a first node, a first electrode electrically connected to a second node; a voltage writing module, electrically connected to a first scanning signal line, a data line, and second node; a threshold compensation module, wherein a driving cycle of the pixel circuit includes a writing phase and a holding phase, writing phase includes a first non-light-emission period, and holding phase includes a second non-light-emission period; voltage writing module writes a display voltage into second node in first non-light-emission period in response to an enable level of first scanning signal, writes a node reset voltage into the second node in the second non-light-emission period in response to the enable level of the first scanning signal.Type: ApplicationFiled: July 13, 2022Publication date: November 17, 2022Applicants: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng ZHANG, Xingyao ZHOU, Yue LI, Jian KUANG, Yuantao WU, Jing HUANG
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Publication number: 20220344374Abstract: Provided are a display panel and a display device. A peripheral circuit region is provided with a first pad group, a second pad group and multiple first signal lines. The first pad group includes a plurality of first pads, and the second pad group includes a plurality of second pads. An end of each of the plurality of the first signal lines adjacent to the first side is electrically connected to a respective one of the plurality of first pads, and an end of each of the plurality of the first signal lines adjacent to the second side is electrically connected to a respective one of the plurality of second pads.Type: ApplicationFiled: July 6, 2022Publication date: October 27, 2022Applicants: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Qibing WEI, Shuai YANG, Peng ZHANG, Kang YANG, Yuantao WU
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Publication number: 20220328003Abstract: Provided is a pixel driving circuit, a display panel and a display apparatus. The pixel driving circuit includes: driving transistor having gate electrode connected to first node, first electrode connected to second node, and second electrode electrically connected to third node coupled to light emitting element; storage capacitor connected to the first node; and M first transistors having M first and second electrodes connected to the first node M functional signal terminals, respectively, M?1. A driving cycle of the pixel driving circuit includes light-emitting stage and N non-light-emitting stages, N?M. The M first transistors are respectively turned on in the N non-light-emitting stages, and the M first transistors are all turned off in the light-emitting stage. One of the N non-light-emitting stages includes first non-light-emitting stage adjacent to the light-emitting stage.Type: ApplicationFiled: June 10, 2022Publication date: October 13, 2022Inventors: Mengmeng Zhang, Xingyao Zhou, Yue Li, Jian Kuang, Yuantao Wu
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Patent number: 11452152Abstract: This disclosure generally relates to radio resource control for D2D communication. In one embodiment, a master UE of the D2D communication may obtain radio resource information of a slave UE before performing radio resource configuration for the D2D communication between the master UE and the slave UE. Based on the radio resource information, the master UE may configure radio resource for the D2D communication. In this way, radio resource configuration may be performed for both the D2D communication and cellular communication without violating the slave UE's radio capability.Type: GrantFiled: September 30, 2014Date of Patent: September 20, 2022Assignee: MICROSOFT TECHNOLOGY LICENSING, LLCInventors: Haitao Li, Yuantao Zhang
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Publication number: 20220247055Abstract: This application provides a semiconductor switch device, a manufacturing method thereof, and a solid-state phase shifter. The semiconductor switch device includes a first semiconductor layer, intrinsic layers, and second semiconductor layers that are stacked. There are at least two intrinsic layers. The second semiconductors are in a one-to-one correspondence with the intrinsic layers, and each second semiconductor layer is stacked on a side of a corresponding intrinsic layer away from the first semiconductor layer. The first semiconductor layer forms one PIN diode together with each first intrinsic layer and each second semiconductor layer. Any two adjacent PIN diodes are electrically isolated. Automatic parameter matching between the two PIN diodes is implemented by using a geometrically symmetric figure with centers of the two PIN diodes aligned, to improve linearity. In addition, the entire semiconductor switch device has a compact structure, to improve an integration degree and reduce costs.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Inventors: Yuantao Zhou, Ming Wu, Pengyu Zhang
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Patent number: 11394504Abstract: Embodiments of the present disclosure relate to methods and apparatuses for uplink transmission without an uplink grant. In example embodiments, a method implemented in a terminal device in a communication system is presented. According to this method, the terminal device determines a redundancy version (RV) pattern for a plurality of uplink transmissions. The RV pattern indicates a plurality of RV indices. At least one RV index in the respective plurality of RV indices is periodic in the RV pattern. The terminal device determines coded bits to be transmitted in the plurality of uplink transmissions based at least in part on the RV pattern. The terminal device transmits the coded bits to the network device in at least one transmission of the plurality of uplink transmissions without an uplink grant.Type: GrantFiled: September 11, 2017Date of Patent: July 19, 2022Assignee: NOKIA TECHNOLOGIES OYInventors: Jingyuan Sun, Yuantao Zhang, Zhuyan Zhao, Hong Zhou
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Patent number: 11368243Abstract: Various communication systems may benefit from improved transmissions. For example, a network transmission may benefit from improved throughput and efficiency in non-schedule multiple access communications. A method includes selecting at a user equipment operating in a non-scheduled access scheme at least one of a first codeword or a second codeword based on an amount of data. The data in the non-scheduled access scheme can be spread according to a spreading sequence. The method also includes determining a transport block size for at least one of the first codeword or the second codeword. In addition, the method includes transmitting the data from the user equipment to a network node using at least one of the first codeword or the second codeword.Type: GrantFiled: May 26, 2016Date of Patent: June 21, 2022Assignee: NOKIA TECHNOLOGIES OYInventors: Yuantao Zhang, Zhuyan Zhao, Jingyuan Sun, Hongchao Li, Deshan Miao, Yanji Zhang, Klaus Ingemann Pedersen, Mihai Enescu
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Patent number: 11291044Abstract: Systems, methods, apparatuses, and computer program products of preamble sequence management for contention based access are provided. One method may include a user equipment sending a contention based access (CBA) request message, such as a random access procedure (RACH) message, to a network node (e.g., a base station or eNB). The CBA request message may include an indication that the user equipment wants to obtain a preamble for CBA data transmission and is not for full network access. The method may then include receiving an allocation of a preamble for CBA from the network node.Type: GrantFiled: July 4, 2016Date of Patent: March 29, 2022Assignee: Nokia Technologies OyInventors: Zexian Li, Yuantao Zhang, Yanji Zhang, Juha Sakari Korhonen
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Patent number: 11277240Abstract: Various communication systems may benefit from an improved transmission of a sounding reference signal. For example, certain communication systems may benefit from an enhanced sounding reference signal transmission via antenna switching or repetition. A method, in certain embodiments, may include receiving a signaling indication at a user equipment from a network entity. The signaling indication may indicate a configuration for sounding reference signal transmission via at least one of antenna switching or repetition using a resource group. The resource group may comprise a plurality of resources that are either adjacent or have a limited time interval between at least two of the plurality of resources within the resource group. The method may also include transmitting the sounding reference signal from the user equipment to the network entity via at least one of the antenna switching or the repetition using the resource group.Type: GrantFiled: August 11, 2017Date of Patent: March 15, 2022Assignee: NOKIA TECHNOLOGIES OYInventors: Yi Zhang, Yuantao Zhang, Mihai Enescu
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Patent number: 11229049Abstract: A method and apparatus may include receiving configuration signaling from a network node to use a resource pool. The apparatus transmits using contention-based transmission. The method also includes selecting a preamble zone combination from the resource pool. The method may also include transmitting a preamble to the network node using the selected preamble zone combination. A preamble sequence index is used to identify the user equipment.Type: GrantFiled: May 11, 2016Date of Patent: January 18, 2022Assignee: NOKIA TECHNOLOGIES OYInventors: Hongchao Li, Klaus Ingemann Pedersen, Yuantao Zhang, Jingyuan Sun, Zhuyan Zhao, Deshan Miao