Patents by Inventor Chenlu Zhang

Chenlu 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: 20210235472
    Abstract: The present disclosure provides a data transmission method, a terminal, and a network side device. The data transmission method includes: before an air interface signaling connection is established, sending a data message carrying state transition data to a network side device; receiving a response message returned by the network side device in response to the data message, a data transmission indication included in the response message; when the data transmission indication indicates transmitting, sending an uplink data packet to the network side device.
    Type: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Chenlu Zhang, Haihui Gong, Fei Qin, Xiaodong Shen, Yu Ding, Xiaolong Li
  • Patent number: 11013026
    Abstract: The present disclosure provides a data transmission method, a terminal, and a network side device. The data transmission method includes: before an air interface signaling connection is established, sending a data message carrying state transition data to a network side device; receiving a response message returned by the network side device in response to the data message, a data transmission indication included in the response message; when the data transmission indication indicates transmitting, sending an uplink data packet to the network side device.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: May 18, 2021
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Chenlu Zhang, Haihui Gong, Fei Qin, Xiaodong Shen, Yu Ding, Xiaolong Li
  • Patent number: 10912123
    Abstract: A method for transmitting uplink data, a user equipment and a network-side device are provided according to the present disclosure. The method for transmitting uplink data includes: transmitting a first message to a network-side device; receiving a second message fed back by the network-side device, where the second message is determined by the network-side device based on information about the network-side device and the first message; and transmitting the uplink data in an uplink data transmission manner corresponding to the second message. In solutions of the present disclosure, the user equipment can flexibly transmit uplink data in response to an instruction from a network-side device without being limited to transmitting the uplink data in an uplink scheduling grant-based manner, thereby achieving the objectives of fulfilling service requirements and transmitting uplink data with high flexibility and stability.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 2, 2021
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaolong Li, Chenlu Zhang, Fei Qin
  • Patent number: 10813011
    Abstract: The present disclosure provides a service request processing method and an associated device. The service request processing method includes: receiving a service request from a User Equipment (UE) in an inactive state; when the serving network side device fails to retrieve context information about the UE, retrieving the context information about the UE from a core network device; and transmitting a response message for the service request to the UE. The context information about the UE is retrieved from the core network device, so it is able to respond to the service request from the UE in the inactive state, thereby to prevent a service for the UE from being adversely affected.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: October 20, 2020
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaolong Li, Chenlu Zhang, Fei Qin
  • Publication number: 20200231623
    Abstract: Disclosed are a pentacyclic triterpene compound as shown in general formula (I) and a preparation method therefor. The compound has an effective antagonistic effect on FXR receptors.
    Type: Application
    Filed: September 17, 2018
    Publication date: July 23, 2020
    Applicant: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Fajun NAN, Xin XIE, Chenlu ZHANG, Shimeng GUO, Yangming ZHANG, Siwei WANG
  • Patent number: 10575266
    Abstract: A method for maintaining time and frequency synchronization when a micro-cell base station is in an off state, a system for maintaining time and frequency synchronization when a micro-cell base station is in an off state, and a terminal are provided. The method includes: detecting a signal sent by a macro-cell base station or the micro-cell base station in a subframe at a predefined position when the micro-cell base station is in an off state; and performing an operation for maintaining time and frequency synchronization with the micro-cell base station based on the signal sent in the subframe at the predefined position.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: February 25, 2020
    Assignee: NANCHANG COOLPAD INTELLIGENT TECHNOLOGY COMPANY LIMITED
    Inventors: Yajun Zhu, Yunfei Zhang, Yiqing Cao, Chenlu Zhang
  • Publication number: 20200008133
    Abstract: Embodiments of the present disclosure provide methods and devices for transmitting SI. The method includes: when the terminal transmits an other SI request, determining a transmission mode of an other SI request according to configuration information, which is pre-stored by the terminal or configured by a base station; and transmitting the other SI request to the base station according to the transmission mode. The other SI request is used to request for at least one type of other SI and the transmission mode includes transmitting the other SI request via msg1 or msg3.
    Type: Application
    Filed: January 31, 2018
    Publication date: January 2, 2020
    Inventors: Xiaolong LI, Fei QIN, Chenlu ZHANG
  • Patent number: 10506575
    Abstract: The present disclosure provides a resource allocation method and system used for direct terminal-to-terminal communication, a device having base station functionality, and a terminal. The resource allocation method includes: obtaining time-frequency resource usage of the device having the base station functionality and/or state information of each D2D terminal within a coverage area of the device having the base station functionality; determining an allocation mode of allocating time-frequency resource to the each D2D terminal, according to the time-frequency resource usage of the device having the base station functionality and/or the state information of the each D2D terminal; and allocating time-frequency resource used for the direct terminal-to-terminal communication to the each D2D terminal according to the allocation mode, so as to enable the each D2D terminal to use the allocated time-frequency resource to perform the direct terminal-to-terminal communication.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: December 10, 2019
    Assignee: Nanchang Coolpad Intelligent Technology Company Limited
    Inventors: Yixue Lei, Chenlu Zhang, Yajun Zhu, Mingju Li, Yunfei Zhang
  • Publication number: 20190349818
    Abstract: The present disclosure provides a service request processing method and an associated device. The service request processing method includes: receiving a service request from a User Equipment (UE) in an inactive state; when the serving network side device fails to retrieve context information about the UE, retrieving the context information about the UE from a core network device; and transmitting a response message for the service request to the UE. The context information about the UE is retrieved from the core network device, so it is able to respond to the service request from the UE in the inactive state, thereby to prevent a service for the UE from being adversely affected.
    Type: Application
    Filed: December 8, 2017
    Publication date: November 14, 2019
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xiaolong Li, Chenlu Zhang, Fei Qin
  • Publication number: 20190335505
    Abstract: A method for transmitting uplink data, a user equipment and a network-side device are provided according to the present disclosure. The method for transmitting uplink data includes: transmitting a first message to a network-side device; receiving a second message fed back by the network-side device, where the second message is determined by the network-side device based on information about the network-side device and the first message; and transmitting the uplink data in an uplink data transmission manner corresponding to the second message. In solutions of the present disclosure, the user equipment can flexibly transmit uplink data in response to an instruction from a network-side device without being limited to transmitting the uplink data in an uplink scheduling grant-based manner, thereby achieving the objectives of fulfilling service requirements and transmitting uplink data with high flexibility and stability.
    Type: Application
    Filed: November 8, 2017
    Publication date: October 31, 2019
    Inventors: Xiaolong LI, Chenlu ZHANG, Fei QIN
  • Publication number: 20190289620
    Abstract: The present disclosure provides a data transmission method, a terminal, and a network side device. The data transmission method includes: before an air interface signaling connection is established, sending a data message carrying state transition data to a network side device; receiving a response message returned by the network side device in response to the data message, a data transmission indication included in the response message; when the data transmission indication indicates transmitting, sending an uplink data packet to the network side device.
    Type: Application
    Filed: October 31, 2017
    Publication date: September 19, 2019
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Chenlu Zhang, Haihui Gong, Fei Qin, Xiaodong Shen, Yu Ding, Xiaolong Li
  • Publication number: 20190274117
    Abstract: A method and a device for transmitting downlink data packets are provided. The method includes: receiving a paging message transmitted by a network side device; and in a case that a data transmission indication indicating transmission exists in the paging message, receiving the downlink data packets transmitted by the network side device.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 5, 2019
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Chenlu Zhang, Fei Qin, Xiaolong Li
  • Patent number: 10405188
    Abstract: The present invention provides a relay selection routing method based on direct communication of a terminal, applied to a base station, including: establishing a database of a topological structure of a direct communication terminal on a network side; when a change of the topological structure is detected, updating the database of the topological structure; when a direct communication service request is received, determining a data sending path and a destination relay node corresponding to the direct communication service request according to the database of the topological structure, sender information and receiver information of the direct communication service request and a preset selection principle; and establishing a direct communication data sharing network corresponding to the direct communication service request according to the data sending path and the destination relay node.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: September 3, 2019
    Assignee: YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO., LTD.
    Inventor: Chenlu Zhang
  • Patent number: 10404389
    Abstract: In one aspect of the disclosure, a channel detection method applied when an LTE system works in an unlicensed frequency band comprises determining a current sub-frame and a channel detection time when a data traffic arrives, wherein the channel detection time is set in at least one of the current sub-frame and a next adjacent sub-frame to perform channel state detection, and judging whether the terminal or base station that performs the channel state detection and other terminals or base stations belong to a same telecommunication operator in order to perform the channel state detection in a corresponding way; and performing data traffic transmission when it is detected that the channel is in an idle state. Other aspects of the disclosure relates to a terminal and a base station using the channel detection method.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 3, 2019
    Assignee: NANCHANG COOLPAD INTELLIGENT TECHNOLOGY COMPANY LIMITED
    Inventors: Mingju Li, Yajun Zhu, Chenlu Zhang, Yixue Lei, Yunfei Zhang
  • Patent number: 10333940
    Abstract: The present disclosure provides a data transmission method, including: upon receipt of a service request, it is determined whether said service request is a data sharing request; if the determined result is that said service request is a data sharing request, then the data source node and data-receiving destination node corresponding to said data sharing request are determined; according to the distance principle and/or signal quality principle and the credit principle and/or incentive principle, a bearer network node is selected corresponding to said data source node and said data-receiving destination node; according to said bearer network node, data source node, and data-receiving destination node, the data sharing network structure is determined. The technical solution of the present disclosure resolves the trust and incentive problem in terminal direct-connection communication networks, increasing security in the sharing of data.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: June 25, 2019
    Assignee: Nanchang Coolpad Intelligent Technology Company Limited
    Inventors: Chenlu Zhang, Kewen Yang
  • Patent number: 10136463
    Abstract: A server is provided, which includes a terminal determining unit which determines a destination terminal to share a service when a service request sent by any terminal is received or when it is detected that a network-side needs to share the service, a generation unit which generates service network topology structure information corresponding to the service according to the destination terminal, and a network determining unit which determines a hosted network corresponding to the service according to the service network topology structure information. Correspondingly, a data transmission method is also provided.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: November 20, 2018
    Assignee: Nanchag Coolpad Intelligent Technology Company Limited
    Inventors: Chenlu Zhang, Kewen Yang
  • Patent number: 10111239
    Abstract: A radio resource management method, a radio resource management device, an equipment having base station functionality, a radio resource monitoring method, a radio resource monitoring device, and a terminal are provided. The method includes a first radio resource of the serving cell in which a terminal is located, and a second radio resource of any one of the neighboring cells in neighboring cells of the serving cell, are obtained; the first radio resource and the second radio resource are differentiated to obtain a target radio resource, and the target radio resource is transmitted to the terminal.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: October 23, 2018
    Assignee: Nanchang Coolpad Intelligent Technologies Company Limited
    Inventors: Yixue Lei, Chenlu Zhang
  • Patent number: 10064101
    Abstract: The present disclosure proposes a VoIP data transmission method, comprising: when a VoIP communication request corresponding to any terminal is received, determining whether currently adopted uplink and downlink configuration information supports the terminal in performing TTI bundling operation according to preset bundling configuration parameters when it is determined that the terminal is required to perform the TTI bundling operation on generated VoIP data package; and when not supporting, sending the preset bundling configuration parameters and new uplink and downlink configuration information to the terminal, wherein the new uplink and downlink configuration information supports the terminal in performing the TTI bundling operation according to the preset bundling configuration parameters.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: August 28, 2018
    Assignee: Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd.
    Inventors: Chenlu Zhang, Xiandong Dong
  • Patent number: 10057901
    Abstract: Provided are a resource allocation method and a resource allocation device, which are used for a frequency division duplexing system. The resource allocation method comprises: setting a shared frequency band; and according to resource demands for an original uplink frequency band and an original downlink frequency band in a network service, allocating the shared frequency band to the original uplink frequency band and/or the original downlink frequency band.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: August 21, 2018
    Assignee: Nanchang Coolpad Intelligent Technology Company Limited
    Inventors: Chenlu Zhang, Yunfei Zhang, Yiqing Cao
  • Patent number: 10009836
    Abstract: Methods and systems for determining the duration of a rapid on/off state include: when a micro-cell base station is a single sub frame-level on/off micro-cell base station, determining in real-time the on/off state of the micro-cell base station in order to determine the duration of the state of the micro-cell base station; and when the micro-cell base station is a multiple sub frame-level on/off micro-cell base station, by means or receiving a notification message sent by the micro-cell base station or a macro-cell base station, determining the duration of the state of the micro-cell base station.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 26, 2018
    Assignee: Nanchang Coolpad Intelligent Technology Company Limited
    Inventors: Yajun Zhu, Yunfei Zhang, Yiqing Cao, Chenlu Zhang