Patents by Inventor Yanji Zhang
Yanji 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: 20240158065Abstract: Provided is a method for adjusting lubrication optimization of a marine main engine cylinder based on computer vision, and belongs to the technical field of marine power systems. The method includes: establishing a marine main engine lubrication database for cylinder lubrication analysis and quality evaluation; collecting cylinder lubrication data of each current cylinder, and preprocessing cylinder lubrication image set data; performing image segmentation and cluster analysis on the preprocessed cylinder lubrication image set, and comparing the preprocessed cylinder lubrication image set with the marine main engine lubrication database to obtain feature recognition results of carbon deposition, dirts, scratches and a wear degree; and according to the feature recognition results, evaluating a cylinder lubrication quality to obtain evaluation grades, and adjusting cylinder lubrication optimization according to the evaluation grades.Type: ApplicationFiled: November 10, 2023Publication date: May 16, 2024Inventors: Guichen ZHANG, Yanji LIU, Qili WU, Chunchang ZHANG, Yifan LI
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Patent number: 11977383Abstract: An intelligent course planning method and controller for unmanned surface vehicle are provided, an overall optimization from starting point to end point of course deflection angle is achieved based on an optimization principle of approximate dynamic programming; an optimization of minimization of the course deflection angle and a control signal is achieved based on a quadratic form cost function and a performance index by designing a virtual radial basis function neural network and a least square method, a target course expression is obtained, and a stability and a degree of convergence are ensured through a positive-definite constraint of the Hessian matrix of the performance index. Compared with the related art, an overshoot of course deflection and the control signal is reduced, an optimization of flight and steering energy consumption is achieved, and completely data-driven for intelligent course planning for unmanned surface vehicle and a high-accuracy feedback adjustment are achieved.Type: GrantFiled: August 7, 2023Date of Patent: May 7, 2024Assignee: Shanghai Maritime UniversityInventors: Zhijian Huang, Lizhe Yang, Siyu Zhang, Guichen Zhang, Yanji Liu, Hongren Wang
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Patent number: 11964261Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.Type: GrantFiled: May 18, 2021Date of Patent: April 23, 2024Assignee: XIANGTAN UNIVERSITYInventors: Jicheng Zhou, Yanji Zhang, Fei Wang
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Publication number: 20240118694Abstract: An intelligent course planning method and controller for unmanned surface vehicle are provided, an overall optimization from starting point to end point of course deflection angle is achieved based on an optimization principle of approximate dynamic programming; an optimization of minimization of the course deflection angle and a control signal is achieved based on a quadratic form cost function and a performance index by designing a virtual radial basis function neural network and a least square method, a target course expression is obtained, and a stability and a degree of convergence are ensured through a positive-definite constraint of the Hessian matrix of the performance index. Compared with the related art, an overshoot of course deflection and the control signal is reduced, an optimization of flight and steering energy consumption is achieved, and completely data-driven for intelligent course planning for unmanned surface vehicle and a high- accuracy feedback adjustment are achieved.Type: ApplicationFiled: August 7, 2023Publication date: April 11, 2024Inventors: Zhijian Huang, Lizhe Yang, Siyu Zhang, Guichen Zhang, Yanji Liu, Hongren Wang
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Patent number: 11672009Abstract: In accordance with some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code can be configured to, with the at least one processor, cause the apparatus to at least receive at least one random access preamble from user equipment. The at least one memory and the computer program code can be further configured to, configure at least one backoff indicator. The at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least transmit the at least one backoff indicator and at least one backoff configuration indicator to the user equipment. The at least one backoff configuration indicator is used to indicate how the at least one backoff indicator is applied.Type: GrantFiled: July 2, 2018Date of Patent: June 6, 2023Assignee: Nokia Technologies OyInventors: Samuli Turtinen, Chunli Wu, Timo Koskela, Benoist Sebire, Esa Malkamäki, Yanji Zhang
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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: 11201956Abstract: According to an example aspect of the present invention, there is provided a method, comprising: storing a security context comprising a first key for wireless data transmission, and applying a timer for defining validity of the security context for the data transmission during an inactive state.Type: GrantFiled: January 5, 2017Date of Patent: December 14, 2021Assignee: Nokia Technologies OyInventors: Yanji Zhang, Mikko Saily, Sofonias Hailu
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Publication number: 20210268485Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.Type: ApplicationFiled: May 18, 2021Publication date: September 2, 2021Inventors: Jicheng ZHOU, Yanji ZHANG, Fei WANG
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Publication number: 20210227582Abstract: In accordance with some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code can be configured to, with the at least one processor, cause the apparatus to at least receive at least one random access preamble from user equipment. The at least one memory and the computer program code can be further configured to, configure at least one backoff indicator. The at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least transmit the at least one backoff indicator and at least one backoff configuration indicator to the user equipment. The at least one backoff configuration indicator is used to indicate how the at least one backoff indicator is applied.Type: ApplicationFiled: July 2, 2018Publication date: July 22, 2021Inventors: Samuli TURTINEN, Chunli WU, Timo KOSKELA, Benoist SEBIRE, Esa MALKAMĂ„KI, Yanji ZHANG
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Patent number: 11071088Abstract: A technique includes receiving, by a first user device within a wireless network, an indication that the wireless network supports slice-specific grouped paging for at least a first slice-specific paging group, wherein the first user device is a member of the first slice-specific paging group; decoding, by the first user device, a received downlink control information that has been directed to the first slice-specific paging group to obtain scheduling information for a paging message for the first slice-specific paging group; receiving, by the first user device from the base station based on the scheduling information, the paging message for the first slice-specific paging group; and receiving, by the first user device, data based on the paging message.Type: GrantFiled: August 7, 2017Date of Patent: July 20, 2021Assignee: Nokia Solutions and Networks OyInventors: Yanji Zhang, Yuantao Zhang
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Patent number: 11040336Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.Type: GrantFiled: June 15, 2020Date of Patent: June 22, 2021Assignee: XIANGTAN UNIVERSITYInventors: Jicheng Zhou, Yanji Zhang, Fei Wang
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Publication number: 20210144674Abstract: A technique includes receiving, by a first user device within a wireless network, an indication that the wireless network supports slice-specific grouped paging for at least a first slice-specific paging group, wherein the first user device is a member of the first slice-specific paging group; decoding, by the first user device, a received downlink control information that has been directed to the first slice-specific paging group to obtain scheduling information for a paging message for the first slice-specific paging group; receiving, by the first user device from the base station based on the scheduling information, the paging message for the first slice-specific paging group; and receiving, by the first user device, data based on the paging message.Type: ApplicationFiled: August 7, 2017Publication date: May 13, 2021Inventors: Yanji ZHANG, Yuantao ZHANG
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Patent number: 10904943Abstract: Various communication systems may benefit from time discontinuous transmission. For example, narrow band Internet of things (NB-IoT) may benefit from having transmissions with sufficient time diversity to avoid unnecessary repetition. A method can include configuring a control channel and data channel partitioning pattern within a configured time period. The method can additionally include communicating with at least one user equipment based on the control channel and data channel partitioning pattern.Type: GrantFiled: January 7, 2016Date of Patent: January 26, 2021Assignee: NOKIA TECHNOLOGIES OYInventors: Yuantao Zhang, Chunhai Yao, Yanji Zhang, Rapeepat Ratasuk, Mihai Enescu
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Patent number: 10904888Abstract: A method and apparatus to configure a resource pool for a plurality of user equipment configured with contention based transmission; configure a resource allocation within the resource pool for a contention based transmission by a user equipment of the plurality of user equipment configured for contention based transmissions, wherein the resource allocation is configured with more than one predefined or preconfigured sets of resource allocation granularities; and send information including the resource allocation towards the user equipment, wherein the information includes an indication of a set of the predefined or preconfigured sets of the resource allocation granularities that the user equipment is to use for the contention based transmission.Type: GrantFiled: June 8, 2016Date of Patent: January 26, 2021Assignee: Nokia Technologies OyInventors: Yuantao Zhang, Zhuyan Zhao, Jingyuan Sun, Hongchao Li, Yanji Zhang
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Publication number: 20200306735Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.Type: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Inventors: Jicheng ZHOU, Yanji ZHANG, Fei WANG
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Patent number: 10778374Abstract: A method is provided including receiving, by a user equipment from a wireless network, an indication of a plurality of contention based transmission occasions and a monitoring window size that the user equipment monitors for feedback for the contention based transmission; determining, by a user equipment of a wireless network, whether an amount of user data can be transmitted on one or more of contention based transmission occasions; performing one or more contention based transmissions during the one or more of the contention based transmission occasions based at least on the determination; and monitoring for feedback for each of the performed contention based transmissions based at least on the monitoring window size, wherein the feedback includes feedback for each contention based transmission in a feedback mapping window.Type: GrantFiled: October 31, 2017Date of Patent: September 15, 2020Assignee: Nokia Technologies OyInventors: Yanji Zhang, Chunli Wu, Yuantao Zhang
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Publication number: 20200092767Abstract: Various communication systems may benefit from proper handling of mobility. In particular, connected mode mobility may be suitably addressed for enhanced coverage user equipment. A method can include determining to attempt access to a target cell in enhanced coverage mode. The method can also include sending, based on the determination, a report to a source cell of an intent to access the target cell in enhanced coverage mode.Type: ApplicationFiled: August 11, 2015Publication date: March 19, 2020Inventors: Jussi-Pekka KOSKINEN, Haitao LI, Benoist SEBIRE, Yanji ZHANG
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Publication number: 20200092805Abstract: A method comprising: configuring a user equipment in a low activity state to operate according to a grant-free uplink transmission scheme; and in response to detecting at least one condition, scheduling a discontinuous reception state at the user equipment, during which the user equipment is configured to monitor for one or more messages intended for the user equipment.Type: ApplicationFiled: December 22, 2016Publication date: March 19, 2020Inventors: Yanji ZHANG, Mikko SAILY, Yuantao ZHANG
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Patent number: 10582452Abstract: A method and an apparatus are disclosed, wherein a configuration of at least one channel monitoring related timer is defined such that the effective value of the channel monitoring related timer is mapped to a coverage enhancement CE level. The apparatus performs monitoring of downlink control channel sub-frames transmitted from a network element to a terminal device, according to said configuration of the channel monitoring related timer.Type: GrantFiled: September 24, 2015Date of Patent: March 3, 2020Assignee: Nokia Solutions and Networks OyInventors: Chunli Wu, Yanji Zhang, Yuantao Zhang, Benoist Pierre Sebire