Patents by Inventor Chongning Na

Chongning Na 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: 11894925
    Abstract: An embodiment of present disclosure provides a method of transmitting channel state information reference signals, and a base station. An embodiment of the present disclosure provides a method of transmitting channel state information reference signals (CSI-RSs), which is executed by a base station, and this method includes the steps of determining whether or not it is necessary to use aperiodic CSI-RSs in a communication system in which a base station to use periodic CSI-RSs is provided, generating an aperiodic CSI-RS trigger signal and communicating the aperiodic CSI-RS trigger signal to a mobile station when aperiodic CSI-RSs need to be used, and communicating aperiodic CSI-RSs to the mobile station in accordance with the aperiodic CSI-RS trigger signal.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: February 6, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Chongning Na, Huiling Jiang, Yuichi Kakishima, Satoshi Nagata
  • Patent number: 11887292
    Abstract: The present invention discloses a two-step anti-fraud vehicle insurance image collecting and quality testing method, system and device, the method comprises: step 1, collecting vehicle insurance scene images and marking vehicle orientation; step 2, performing object detection on the collected vehicle insurance scene images and screening to obtain object coordinates; step 3, according to the vehicle orientation and the object coordinates, obtaining the specific position of the object coordinates located in the whole vehicle; step 4, according to the object coordinates screened in step 2, performing vehicle component detection on the vehicle insurance scene images, obtaining the component coordinates of the vehicle components, and screening to obtain the vehicle component closest to the object coordinates; step 5, according to the specific position of the object coordinates located in the whole vehicle and the vehicle components closest to the object coordinates, obtaining the position of the vehicle components
    Type: Grant
    Filed: May 13, 2023
    Date of Patent: January 30, 2024
    Assignee: ZHEJIANG LAB
    Inventors: Jinni Dong, Jiaxi Yang, Kai Ding, Chongning Na
  • Patent number: 11888570
    Abstract: A terminal is disclosed including a transmitter that transmits a beam recovery request signal and a processor that controls the transmission of the beam recovery request signal. The transmission of the beam recovery request signal is controlled by the processor based on a received power that is measured using a channel state information reference signal (CSI-RS) resource or a synchronization signal (SS) block that is quasi co-located (QCL) with a demodulation reference signal of a downlink control channel. In other aspects, a radio communication method is also disclosed.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 30, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Hiroki Harada, Kazuki Takeda, Satoshi Nagata, Yuichi Kakishima, Chongning Na
  • Patent number: 11843554
    Abstract: A user equipment (UE) is disclosed including a receiver that receives at least a reference signal (RS) transmitted using a first beam from a transmission and reception point (TRP), using at least a second beam, and a processor that determines the first beam paired with the second beam based on reception quality of the RSs. The UE further includes a transmitter that transmits feedback information indicating the determined first beam. The second beam is an omni-directional beam. The receiver receives, from the TRP, reception (Rx) beam designation information indicating an Rx beam to receive the RSs, and the second beam is the Rx beam.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: December 12, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Chongning Na, Satoshi Nagata, Kazuaki Takeda
  • Patent number: 11841839
    Abstract: The present invention discloses a preprocessing and imputing method for structural data, comprising: step 1, querying the missing information of an original data, counting missing values, and obtaining a missing rate for the original data; step 2, based on the missing rate, performing listwise deletion on the original data, and then traversing the rows to generate corresponding dichotomous arrays, converting the arrays to the form of histogram, calculating the maximum rectangular area formed by the corresponding histogram, and then sorting all rectangular areas to obtain the maximum complete information matrix; step 3, using multiple imputation by chained equations, auto-encoders, or generative adversarial imputation networks to impute missing values on the original data.
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: December 12, 2023
    Assignee: ZHEJIANG LAB
    Inventors: Jiaxi Yang, Chongning Na, Ye Yang, Kai Ding, Yao Yang, Yihan Wang
  • Patent number: 11838933
    Abstract: The present invention is designed to appropriately select PUCCH resources used to transmit HARQ-ACK. According to one aspect of the present invention, a user terminal has a control section that monitors candidate resources of one or more downlink (DL) control channels (DL) transmitted in multiple different time and/or frequency resources, and detects one or more downlink control information (DCI), and a transmission section that transmits delivery acknowledgment information in response to a downlink (DL) data channel by using an uplink (UL) control channel, and the control section selects resources for the UL control channel based on the DCI.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: December 5, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Chongning Na, Xin Wang, Jing Wang, Lihui Wang, Min Liu, Huiling Jiang
  • Patent number: 11791879
    Abstract: A user terminal according to one aspect of the present disclosure includes a transmitting section that transmits channel state information by use of a semi-persistently specified resource, and a control section that controls, in a case of transmitting data during a time duration in which the semi-persistently specified resource is included, transmission of the channel state information and the data. According to one aspect of the present disclosure, SP-CSI reporting can be appropriately controlled.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: October 17, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Huiling Li, Xiaolin Hou, Chongning Na
  • Publication number: 20230325934
    Abstract: The present invention discloses a method and system of image annotation and element extraction for automobile insurance anti-fraud. The method of the present invention extracts anti-fraud elements from images such as automobile insurance scene collection and post supplementary images. The system of the present invention comprises an automobile insurance element table construction module, an image acquisition module, an annotation module and an element extraction module, wherein the annotation module comprises a multi-label classification annotation module, an automobile damage location annotation module and a personnel identity annotation module; and the element extraction module is used for performing element extraction on automobile insurance data.
    Type: Application
    Filed: April 11, 2023
    Publication date: October 12, 2023
    Inventors: KAI DING, CHONGNING NA, JIAXI YANG
  • Patent number: 11758558
    Abstract: An apparatus is disclosed including a receiver that receives a downlink control information and a downlink shared channel that is scheduled by the downlink control information; a processor that determines an allocation of the downlink shared channel in a time domain based on a first timing indicated by a first time unit and a second timing indicated by a second time unit that are obtained from information notified by the downlink control information; and an output apparatus that outputs information based on the downlink shared channel, wherein the first timing is defined based on a numerology of the downlink shared channel. In other aspects, a system is also disclosed.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: September 12, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Chongning Na, Xin Wang, Jing Wang, Lihui Wang, Min Liu, Huiling Jiang
  • Patent number: 11750320
    Abstract: A communication apparatus is disclosed including a processor that performs a first encoding procedure to generate a first sequence of encoded bits from a first sequence of bits, and performs a second encoding procedure to generate a second sequence of encoded bits from a sequence of known bits; and a second sequence of bits comprising the first sequence of bits and the first sequence of encoded bits; and a transmitter that transmits a signal generated from the second sequence of encoded bits, wherein the second sequence of encoded bits is determined based on a length of the second sequence of bits.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 5, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Runxin Wang, Chongning Na
  • Patent number: 11723058
    Abstract: A method of frequency resource allocation for Channel State Information Reference Signal (CSI-RS) in a wireless communication system includes transmitting, from a base station (BS) to a user equipment (UE), a CSI-RS using a CSI-RS resource, calculating, with the UE, CSI based on the CSI-RS, and reporting, from the UE to the BS, the CSI. The CSI-RS resource in a frequency domain is allocated to one or more frequency resources that are part of a carrier bandwidth. The method further includes notifying, with the BS, the UE of a location of the one or more frequency resources in the frequency domain.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: August 8, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Chongning Na, Satoshi Nagata
  • Patent number: 11689266
    Abstract: To appropriately control CSI reporting even in a case of performing CSI reporting by employing a method different from ones for existing LTE systems, one aspect of a user terminal of the present invention includes a transmitting section that transmits channel state information, and a control section that controls transmission of the channel state information by using certain downlink control information indicating trigger and/or activation of channel state information without scheduling data.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 27, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Chongning Na, Lihui Wang
  • Patent number: 11637672
    Abstract: This user terminal is provided with: a reception unit that receives a downlink signal including a demodulation reference signal; a signal separation unit that separates the demodulation reference signal from the downlink signal; and a channel estimation unit that calculates a channel estimation value by using the demodulation reference signal. The demodulation reference signal is mapped on a resource element set in a transmission pattern selected from a plurality of candidate patterns. The reception unit receives an index indicating the transmission pattern, and the signal separation unit separates the demodulation reference signal by using the transmission pattern specified on the basis of the index.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: April 25, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Keisuke Saito, Kazuaki Takeda, Kazuki Takeda, Satoshi Nagata, Chongning Na
  • Patent number: 11553514
    Abstract: To appropriately control UL transmission such as a CSI reporting when performing communication by applying a different configuration from those of legacy LTE systems, a user terminal according to one aspect of the present disclosure includes: a transmission section that transmits one or more UL signals by using an uplink shared channel based on an instruction from a base station; and a control section that controls the transmission assuming that transmission durations of a plurality of UL signals do not overlap in a same symbol, or, when at least part of the transmission durations of the plurality of UL signals overlap in the same symbol, performs control to select and transmit the part of the UL signals.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: January 10, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Huiling Li, Lihui Wang, Chongning Na, Xin Wang, Xiaolin Hou
  • Patent number: 11533099
    Abstract: A method of selecting a reception resource of a user equipment (UE) includes receiving, with the UE, multiple predetermined signals from a base station (BS) using multiple reception resources, measuring, with the UE, reception quality of the predetermined signals, and selecting, with the UE, at reception resource used for reception of a downlink signal from the multiple reception resources based on the measured reception quality. The method further includes receiving, with the UE, the downlink signal using the selected reception resource. The selecting selects the reception resource used for reception of the predetermined signal of which reception quality is higher than reception quality of the other predetermined signals.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: December 20, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Chongning Na, Satoshi Nagata
  • Patent number: 11456839
    Abstract: A user equipment (UE) is disclosed including a receiver that receives, from a base station (BS), Zero Power (ZP) Channel State Information-Reference Signal (CSI-RS) resource configuration information and a ZP CSI-RS. The ZP CSI-RS is transmitted as a periodic ZP CSI-RS, a semi-persistent ZP CSI-RS, or an aperiodic ZP CSI-RS. When the ZP-CSI-RS is transmitted as the periodic ZP CSI-RS or the semi-persistent ZP CSI-RS, the ZP CSI-RS resource configuration information designates periodicity and a timing offset for the periodic ZP CSI RS or the semi-persistent ZP-CSI-RS. The receiver receives the ZP CSI-RS based on a ZP CSI RS resource specified using the periodicity and the timing offset. When the ZP CSI-RS is transmitted as the aperiodic ZP CSI-RS, the receiver receives DCI that triggers the aperiodic ZP CSI-RS. The receiver receives the ZP CSI-RS based on a ZP CSI-RS resource specified using the DCI.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: September 27, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Chongning Na, Kazuaki Takeda, Satoshi Nagata
  • Patent number: 11452099
    Abstract: A user terminal, according to the present invention, has a receiving section that receives resource information, which indicates a single or a plurality of uplink control channel resources, per configuration identifier related to channel state information (CSI) reporting, and a control section that selects an uplink control channel resource to use to transmit a plurality of CSIs, based on the resource information.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: September 20, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Huiling Li, Lihui Wang, Chongning Na, Xiaolin Hou
  • Patent number: 11444676
    Abstract: To perform a beam failure recovery procedure by using an appropriate radio resource, a user terminal includes a transmitting section that transmits a beam failure recovery request, and a control section that controls transmission of the beam failure recovery request by using at least one of an uplink shared channel, an uplink control channel, a sounding reference signal, and a random access channel indicated by a downlink control channel.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: September 13, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Chongning Na, Xiaolin Hou
  • Patent number: 11438965
    Abstract: A user equipment (UE) includes a receiver that receives, from a base station (BS), one or more Transmission Configuration Indication (TCI) states for Physical Downlink Control Channel (PDCCH) reception via Radio Resource Control (RRC) signaling and a Medium Access Control Control Element (MAC CE) activation command for one of the TCI states via a Physical Downlink Shared Channel (PDSCH). The UE further includes a transmitter that transmits, to the BS, a Hybrid Automatic Repeat reQuest (HARQ) for the MAC CE activation command in a slot and a processor that activates the one of the TCI states k slots after the slot where the transmitter transmits the HARQ. A value of the k indicates a number of slots.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 6, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Satoshi Nagata, Toru Uchino, Min Liu, Chongning Na
  • Patent number: 11432365
    Abstract: According to the present disclosure, a user terminal has a receiving section that receives a MAC (Medium Access Control) control element, which includes one or more fields that respectively correspond to one or more control resource sets, and a control section that controls receipt of a downlink control channel, which is mapped to a given resource unit in the control resource sets, based on transmission configuration indicator (TCI) states of the control resource sets, shown in the fields.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: August 30, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Min Liu, Xiaolin Hou, Chongning Na