Patents by Inventor Liwen Zhang

Liwen 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).

  • Patent number: 11102727
    Abstract: An uplink control method, includes: determining a downlink path loss based on a first reference signal receive power that is of a serving cell in which the terminal device is located and that is obtained through measurement; receiving a first transmit power and a second transmit power that are sent by the base station; and if the first reference signal receive power is greater than or equal to a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in a first network; or if the first reference signal receive power is less than a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in the first network.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: August 24, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kai Xu, Liwen Zhang, Lin Zhou, Bo Cheng
  • Patent number: 11063806
    Abstract: A synchronization method including: receiving, by a terminal, a system message on a first downlink carrier, where the system message includes first indication information and second indication information, the first indication information indicates a frequency domain range of a first uplink carrier, the second indication information indicates a frequency domain range of a second downlink carrier, and a frequency of the first uplink carrier is presynchronized with a frequency of the second downlink carrier; and receiving, by the terminal, a synchronization signal on the second downlink carrier, to implement frequency synchronization with the first uplink carrier. According to the synchronization method in NR-LTE co-existence, a terminal can implement frequency synchronization with an LTE uplink carrier, so that the terminal can perform uplink transmission by using a frequency domain resource in the LTE uplink carrier.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: July 13, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhe Liu, Hao Tang, Wei Chen, Liwen Zhang
  • Publication number: 20210053966
    Abstract: The present invention belongs to the field of diagnosis and treatment of tumors, and relates to a HIF-2? small-molecule inhibitor and use thereof in treatment of tumors such as breast cancer and ovarian cancer. The small-molecule inhibitor is a compound represented by formula (I) or a stereoisomer, pharmaceutically acceptable salt, solvate or prodrug of the compound represented by formula (I). The small-molecule inhibitor mainly inhibits the proliferation of tumor cells by inhibiting HIF-2? protein, and can also inhibit the growth of CSCs with high expression of HIF-2?. The small-molecule inhibitor can be used as a novel anti-tumor drug to completely eliminate tumors and stem cells, and has broad application prospects.
    Type: Application
    Filed: January 25, 2019
    Publication date: February 25, 2021
    Inventors: MINJIE WEI, YUANYUAN YAN, MIAO HE, YINUO LIU, LIWEN ZHANG
  • Publication number: 20200342207
    Abstract: A system includes an identification system and an information database for linking an unidentified animal (UA) to a registered animal. A requester sends the media corresponding to the UA to the identification system. The UA images are used for determining an orientation and position of the UA. A selected 3DSM of the registered animal may be reconfigured using a 3DSM generator by moving the movable joints of the 3DSM to have the same orientation and position as the UA images. A 2DSM generator is used to generate 2D synthetic images (2DSIs) of the selected 3DSM. The images of the unidentified animal are compared to the 2DSIs of the selected 3DSM. When a match probability exceeds a threshold probability, a match is reported to a requester. The requester can obtain permission from an owner to get access to the information pertaining to the UA.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 29, 2020
    Inventors: Christopher John Raczkowski, Liwen Zhang
  • Publication number: 20200322894
    Abstract: An uplink control method, includes: determining a downlink path loss based on a first reference signal receive power that is of a serving cell in which the terminal device is located and that is obtained through measurement; receiving a first transmit power and a second transmit power that are sent by the base station; and if the first reference signal receive power is greater than or equal to a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in a first network; or if the first reference signal receive power is less than a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in the first network.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 8, 2020
    Inventors: Kai Xu, Liwen Zhang, Lin Zhou, Bo Cheng
  • Publication number: 20200288495
    Abstract: An uplink signal transmission method includes receiving, by an active antenna unit of a base station, a first uplink signal sent by a terminal in a first band. The method also includes sending, by the base station, the first uplink signal to a first baseband processing unit of the base station corresponding to a second band for demodulation. The active antenna unit of the base station includes a first array antenna corresponding to the first band and a second array antenna corresponding to the second band. The first band is lower than the second band.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Quanzhong GAO, Yong WANG, Heng XU, Liwen ZHANG, Guochen LIU
  • Publication number: 20200266909
    Abstract: An interference determining method, includes: obtaining first frequency information of a first resource; obtaining second frequency information of a second resource, where a frequency indicated by the first frequency information is lower than a frequency indicated by the second frequency information; determining, based on the first frequency information, harmonic frequency information corresponding to the first resource; and determining, based on the harmonic frequency information and the second frequency information, harmonic interference information between the first resource and the second resource.
    Type: Application
    Filed: May 7, 2020
    Publication date: August 20, 2020
    Inventors: Quanzhong GAO, Wei CHEN, Kai XU, Liwen ZHANG, Shuqin XIAO
  • Publication number: 20200120582
    Abstract: Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by a terminal, a system message via a downlink carrier, where the system message includes information used to indicate a frequency channel number of a second uplink carrier; and initiating, by the terminal, random access via the second uplink carrier, where a frequency channel number of the downlink carrier belongs to a first frequency band, and a frequency channel number of the second uplink carrier belongs to a second frequency band.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Chaobin YANG, Yong WANG, Quanzhong GAO, Wei CHEN, Liwen ZHANG, Xiaojun ZHENG, Bin XIONG, Shuai CHEN
  • Publication number: 20200022090
    Abstract: A communication method, a terminal, and a network device are provided. The method includes: receiving, by a terminal, a downlink reference signal sent by a network device in a first cell, and determining a downlink path loss estimate between the terminal and the first cell based on the downlink reference signal; and sending, by the terminal, an uplink signal in a second cell, where uplink transmit power used by the terminal to send the uplink signal is determined based on the downlink path loss estimate.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 16, 2020
    Inventors: Junchao LI, Hao TANG, Liwen ZHANG, Wei CHEN
  • Publication number: 20200022179
    Abstract: A wireless communication system and method, the method being performed by a base station, and including receiving a system message on a downlink carrier, where the system message includes uplink carrier configuration information and preamble transmission configuration information, the uplink carrier configuration information indicates a plurality of uplink carriers, and the preamble transmission configuration information indicates a transmission configuration of a radio access preamble, sending, based on the transmission configuration of the radio access preamble, the radio access preamble on an uplink carrier of the plurality of the uplink carriers, and detecting, based on identification information of the uplink carrier, control information of a radio access response message on the downlink carrier.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 16, 2020
    Inventors: Zhe Liu, Chaobin Yang, Yong Wang, Quanzhong Gao, David Jean-Marie Mazzarese, Guohua Zhou, Hao Tang, Wei Chen, Liwen Zhang
  • Publication number: 20200014573
    Abstract: A synchronization method including: receiving, by a terminal, a system message on a first downlink carrier, where the system message includes first indication information and second indication information, the first indication information indicates a frequency domain range of a first uplink carrier, the second indication information indicates a frequency domain range of a second downlink carrier, and a frequency of the first uplink carrier is presynchronized with a frequency of the second downlink carrier; and receiving, by the terminal, a synchronization signal on the second downlink carrier, to implement frequency synchronization with the first uplink carrier. According to the synchronization method in NR-LTE co-existence, a terminal can implement frequency synchronization with an LTE uplink carrier, so that the terminal can perform uplink transmission by using a frequency domain resource in the LTE uplink carrier.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhe LIU, Hao TANG, Wei CHEN, Liwen ZHANG
  • Patent number: 10307037
    Abstract: A shoe deodorizing degerming dehumidifier includes a housing, a main control circuit installed in the housing, a fan and an ozonizer. The housing is detachable from the shoes and is in a shape suitable for putting into and out from the shoe cavity. The housing is provided with an air inlet and an air outlet. The ozonizer is used for producing ozone for sterilizing in the shoe cavity. The fan is used for pushing air into the air inlet and draining the air from the air outlet, so as to promote ventilation in the shoe cavity. The shoe deodorizing degerming dehumidifier can be detached from a shoe and used repeatedly. Compared with prior shoe and deodorant degerming product, this product is more convenient in use, easier for maintenance, more environment friendly, more energy saving, and may reduce the purchase cost of the buyer.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: June 4, 2019
    Assignee: SHENZHEN LIFEN TECH CO., LTD
    Inventor: Liwen Zhang
  • Patent number: 10264504
    Abstract: Embodiments of the present invention provide a user equipment scheduling method and device, where the method includes: predicting, according to radio resource information stored in an information sub-grid of an information grid, channel status information of first user equipment when the first user equipment is located in a geographical area in which any geographical sub-grid of a geographical grid is located, where there is a correspondence between an information sub-grid of the information grid and a geographical sub-grid of the geographical grid, and the information sub-grid is used to store radio resource information of a geographical area in which the corresponding geographical sub-grid is located; and scheduling the first user equipment according to the channel status information of the first user equipment.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 16, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liwen Zhang, Zhiqiang Ju, Lin Zhou
  • Patent number: 10146881
    Abstract: The disclosed embodiments provide a system for processing data. During operation, the system obtains a first configuration for processing a first set of content items from a first data source and a second configuration for processing a second set of content items from a second data source. For each content item in the first set of content items, the system uses mappings from the first configuration to transform original fields from the content item into required fields in a record representing the content item. Next, the system generates, from the required fields, a document key for the content item. The system also performs deduplication of multiple records with the document key and stores a single record with the document key. Finally, the system uses the second configuration to generate, from the second set of content items, a set of records independently of processing the first set of content items.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: December 4, 2018
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Bin Wu, Weiqin Ma, Weidong Zhang, Liwen Zhang, Srihari R. Duddukuru, SangHyun Park, Yongzheng Zhang, Yi Zheng, Hong Lu, Yurong Shi, Chi-Yi Kuan
  • Patent number: 9986497
    Abstract: A method includes: acquiring a first report message of an operation event in a source system; acquiring a second report message of the operation event in a target system; and correlating the first report message with the second report message according to the first user equipment identifier and the second user equipment identifier, and performing event statistics collection according to the correlated first report message and second report message.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: May 29, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kai Xu, Liwen Zhang
  • Patent number: 9961604
    Abstract: Embodiments disclose a radio network information management method and a network device. A radio network information management method is disclosed, where the method includes determining that a user equipment UE exists in a first mobility management unit, and determining radio network information of the first mobility management unit according to measurement statistic information of the UE in the first mobility management unit. It is therefore implemented that a granularity of acquiring and managing radio network information in a cell is per mobility management unit, and for a complex cell coverage environment, difference a neighboring cells between different areas of the cell and difference about interference between different areas of the cell are specified. The embodiments further disclose a network device.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: May 1, 2018
    Assignee: Huawei Technologies Co., Ltd
    Inventors: Liwen Zhang, Kai Xu, Yuhong Dai, Liang Xu, Lin Zhou, Xiaoyi Cui
  • Publication number: 20170286551
    Abstract: The disclosed embodiments provide a system for processing data. During operation, the system obtains a first configuration for processing a first set of content items from a first data source and a second configuration for processing a second set of content items from a second data source. For each content item in the first set of content items, the system uses mappings from the first configuration to transform original fields from the content item into required fields in a record representing the content item. Next, the system generates, from the required fields, a document key for the content item. The system also performs deduplication of multiple records with the document key and stores a single record with the document key. Finally, the system uses the second configuration to generate, from the second set of content items, a set of records independently of processing the first set of content items.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 5, 2017
    Applicant: LinkedIn Corporation
    Inventors: Bin Wu, Weiqin Ma, Weidong Zhang, Liwen Zhang, Srihari R. Duddukuru, SangHyun Park, Yongzheng Zhang, Yi Zheng, Hong Lu, Yurong Shi, Chi-Yi Kuan
  • Patent number: 9622087
    Abstract: The present disclosure provides a spectrum resource sharing method and an base station. The method includes: acquiring, by a first-communications standard base station, time and frequency information and power of each second-communications standard channel interfering with the first-communications standard base station; if in one transmission time interval, no frequency number in a shared spectrum is occupied by the second-communications standard channels, using, by the first-communications standard base station, the shared spectrum for uplink and downlink data channel scheduling in the one transmission time interval.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: April 11, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xia Li, Ning Hu, Xiaoyan Shi, Han Zhang, Xiaofeng Ren, Liwen Zhang, Liping Yang, Jing Zhang
  • Publication number: 20170078941
    Abstract: Embodiments of the present invention provide a user equipment scheduling method and device, where the method includes: predicting, according to radio resource information stored in an information sub-grid of an information grid, channel status information of first user equipment when the first user equipment is located in a geographical area in which any geographical sub-grid of a geographical grid is located, where there is a correspondence between an information sub-grid of the information grid and a geographical sub-grid of the geographical grid, and the information sub-grid is used to store radio resource information of a geographical area in which the corresponding geographical sub-grid is located; and scheduling the first user equipment according to the channel status information of the first user equipment.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 16, 2017
    Inventors: Liwen Zhang, Zhiqiang Ju, Lin Zhou
  • Publication number: 20160242620
    Abstract: A shoe deodorizing degerming dehumidifier includes a housing, a main control circuit installed in the housing, a fan and an ozonizer. The housing is detachable from the shoes and is in a shape suitable for putting into and out from the shoe cavity. The housing is provided with an air inlet and an air outlet. The ozonizer is used for producing ozone for sterilizing in the shoe cavity. The fan is used for pushing air into the air inlet and draining the air from the air outlet, so as to promote ventilation in the shoe cavity. The shoe deodorizing degerming dehumidifier can be detached from a shoe and used repeatedly. Compared with prior shoe and deodorant degerming product, this product is more convenient in use, easier for maintenance, more environment friendly, more energy saving, and may reduce the purchase cost of the buyer.
    Type: Application
    Filed: May 5, 2016
    Publication date: August 25, 2016
    Inventor: Liwen Zhang