Patents Assigned to NEC Corporation
  • Publication number: 20200169891
    Abstract: Embodiments of the present disclosure relate to a method, terminal device and apparatus for UL data transmission and a method, network device and apparatus for UL data scheduling. In an embodiment of the present disclosure, the method of DL data transmission may comprise receiving, from a network device, information on an ending position of uplink data transmission on the unlicensed band; and determining the ending position of uplink data transmission from the information on the starting position of uplink data transmission, wherein the determined ending position of uplink data transmission is associated with a carrier numerology used by the terminal device. With embodiments of the present disclosure, it could enable the UL data transmission on the unlicensed band in the NR system and thus improve the performance of the NR system.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventor: Gang WANG
  • Publication number: 20200170006
    Abstract: Embodiments of the present disclosure relate to a method, terminal device and apparatus for data communication based on License Assisted Access (LAA) at a terminal device and a method, network device and apparatus for data communication based on LAA at a network device. In an embodiment of the present disclosure, the method for data communication based on LAA at a terminal device may include performing, at the terminal device, the data communication based on LAA only within part of slots of a subframe. With embodiments of the present disclosure, it is possible to share the unlicensed channel between the NR-based LAA and LTE-based LAA in a fair way and thus it may provide a good coexistence between the NR-based LAA and LTE-based LAA.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventor: Gang WANG
  • Publication number: 20200169893
    Abstract: A first base station (1) is configured to establish a first signaling bearer with a mobility management apparatus (5), establish a second signaling bearer with a second base station (2), and to establish a signaling radio bearer with a mobile station (3) in a first cell (10). The second base station (2) is configured to establish the second signaling bearer with the first base station (1), establish a data bearer with a data transfer apparatus (6), and to establish a data radio bearer with the mobile station (3) in a second cell (20). Furthermore, the first base station (1) is configured to transmit, to the second base station (2) through the second signaling bearer configuration information, necessary to establish the data bearer and the data radio bearer in the second base station (2). Thus, for example, bearer architecture suitable for a C/U plane split scenario is provided.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Hiroaki AMINAKA, Hisashi FUTAKI
  • Publication number: 20200170021
    Abstract: A wireless communication system of the present invention includes a first base station (30) and a second base station (20) configured to be capable of transmitting downlink data received from a core network to a terminal via the second base station (20) and the first base station (30). The second base station (20) transmits, to the first base station (30), information for identifying downlink data to be discarded from among the downlink data transmitted to the first base station (30) and a command for discarding the downlink data identified by the information. The first base station (30) discards downlink data not transmitted to the terminal from among the downlink data identified by the information.
    Type: Application
    Filed: December 19, 2019
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventor: Sadafuku HAYASHI
  • Publication number: 20200167874
    Abstract: In order to provide a farming schedule matching a growing environment for crops and increase reliability of farming support, the present invention comprises: an indicator value calculation unit that calculates indicator values at which the growth of crops is hindered, during a period including at least an observation period in which the effects of farming work performed in order to grow crops are observed; and a schedule generation unit that, in order to reduce the indicator values calculated by the indicator value calculation unit, generates a schedule for farming work performed on crops during a prescribed farming period being a period prior to the observation period.
    Type: Application
    Filed: October 19, 2016
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Tan AZUMA, Kenichiro FUJIYAMA, Soichiro ARAKI, Mineto SATOH
  • Publication number: 20200168955
    Abstract: A purpose of the present invention is to provide a lithium ion secondary battery having improved battery characteristics. The lithium ion secondary battery according to the present invention comprises a negative electrode comprising a negative electrode active material comprising a silicon material and an electrolyte solution comprising an electrolyte solvent comprising an open chain sulfone compound, a fluorinated cyclic carbonate and an open chain carbonate and a supporting salt comprising LiN(FSO2)2.
    Type: Application
    Filed: May 17, 2018
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventors: Ikiko SHIMANUKI, Takehiro NOGUCHI, Daisuke KAWASAKI, Takuya HASEGAWA
  • Publication number: 20200169698
    Abstract: The present invention addresses the problem of providing technology that makes it possible to perform verification for the purposes of distribution management, authenticity assessment, and the like of merchandise without building an RFID chip into each of a plurality of fasteners. The present invention is characterized in that image characteristics of a component of a product to be verified are acquired and the product to be verified is verified on the basis of the acquired image characteristics of the component.
    Type: Application
    Filed: December 23, 2019
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Rui ISHIYAMA, Toru TAKAHASHI
  • Publication number: 20200169853
    Abstract: To provide a gateway device that achieves charging control in accordance with a RAT being used by a UE even when the UE is performing communication using different RATs at the same time, the present gateway device (30) includes a management unit (31) configured to, when a communication terminal (10) performs a first radio communication using a first radio access technology and a second radio communication using a second radio access technology, manage at least one bearer assigned to the communication terminal (10) in association with information indicating the first and second radio access technologies, and a charging system communication unit (32) configured to transmit the information indicating the first and second radio access technologies to at least one policy charging control device (40) that performs charging control.
    Type: Application
    Filed: January 30, 2017
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventor: Toshiyuki TAMURA
  • Publication number: 20200166552
    Abstract: A state estimation apparatus is configured to extract a time interval to be analyzed from a time series of a first signal based on a second signal acquired in conjunction with the first signal relating to the operation of the facility, and estimate a change in a state of the facility based on waveform data of the time interval of the first signal.
    Type: Application
    Filed: July 17, 2018
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Eisuke SANEYOSHI, Shigeru KOUMOTO, Akira SHOUJIGUCHI
  • Publication number: 20200169838
    Abstract: A Road Side Unit (RSU) (120) transmits V2X report information to a control node (140) and transmits location-related information about the RSU (120) to the control node (140). The control node (140) determines, based on the received location-related information about the RSU (120), at least one of: one or more sending nodes; a transmission area; a distribution path; and a communication scheme, to distribute a V2X control message to a plurality of UEs. It is thus, for example, possible to contribute to achievement of a configuration in which, upon receiving V2X report information from an RSU, a server transmits a V2X control message based on the V2X report information to a plurality of vehicles or pedestrians.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventor: Hisashi FUTAKI
  • Publication number: 20200167406
    Abstract: A grouping means 11 that extracts basis vectors from a set of basis vectors for a lattice having a predetermined relationship with a matrix used to generate a public key, and that groups the basis vectors such that a predetermined condition is satisfied. A sampling means 12 that samples, for at least one group, the same number of arbitrary values as the number of a plurality of basis vectors included in that group, in parallel for the individual basis vectors, onto a lattice constituted by the plurality of basis vectors, the arbitrary values serving as random numbers following a discrete Gaussian distribution. The predetermined condition is that each of the basis vectors included in a group is orthogonal to the other basis vectors included in the same group and is also orthogonal to Gram-Schmidt basis vectors, which are vectors obtained by orthogonalizing the other basis vectors by Gram-Schmidt orthogonalization.
    Type: Application
    Filed: May 12, 2017
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventors: Yuki TANAKA, Kazuhiko MINEMATSU
  • Publication number: 20200169348
    Abstract: To provide a light wavelength separation device and a light wavelength separation method that can be flexibly adapted for various channel intervals of a wavelength-division multiplexed (WDM) signal, a light wavelength separation circuit is provided with: an optical coupler which splits a wavelength-multiplexed optical signal in which optical signals of a plurality of channels are multiplexed; a band-pass filter which is arranged for each of output ports of the optical coupler, separates optical signals included in the wavelength-multiplexed optical signal inputted from the output ports of the optical coupler into channels of which the central frequencies are not adjacent to each other, and outputs the separated optical signals from respectively different output ports; and an optical switch which selects one of paths of the optical signals inputted from the output ports of each band-pass filter.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventor: Yoshirou SATOU
  • Publication number: 20200166626
    Abstract: This information processing device is provided with: a candidate point extraction unit for extracting, on the basis of the position in three-dimensional space of a target point specified in an intensity map of a signal from an observed object acquired through radar and the shape of the observed object, a candidate point that contributes to the signal at the target point; an evaluation unit for evaluating the reliability of the candidate point in terms of signal analysis on the basis of geographic information indicating the state of a surface including the candidate point; and an output unit for outputting information indicating the result of the evaluation.
    Type: Application
    Filed: May 17, 2017
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Hisatoshi TORIYA, Taichi TANAKA
  • Publication number: 20200169443
    Abstract: Embodiments of the present disclosure relate to a method and apparatus of transmitting uplink (UL) information and a method and apparatus of receiving UL information. In one embodiment of the present disclosure, the method of transmitting UL information comprises transmitting a reference signal using a first sequence; and transmitting UL control information using a second sequence; wherein a reference signal and the UL control information are staggered-multiplexed in frequency domain. With embodiments of the present disclosure, the uplink information can be transmitted in reduced uplink symbols so as to adapt for a proposed subframe structure with reduced uplink symbols and thus, the transmission latency can be reduced greatly.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventors: Yukai GAO, Chuangxin JIANG, Zhennian SUN, Gang WANG
  • Publication number: 20200166620
    Abstract: [Problem] To provide a control apparatus that is capable of continuing monitoring even when an environmental change causes fluctuation in the coverage area of a sensor. [Solution] This control apparatus is provided with: a coverage area prediction means 1; and a control means 2. The coverage area prediction means 1 predicts, on the basis of the measurement result of the environment of an area in which an object is to be detected, a coverage area that is a range in which a stationary sensor for detecting objects can carry out measurement. The control means 2 determines the position where a mobile sensor for detecting objects is to be disposed, and controls the mobile sensor, on the basis of the coverage area predicted by the coverage area prediction means 1 and the probability that the object is present.
    Type: Application
    Filed: May 16, 2017
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Masafumi EMURA, Masatsugu OGAWA, Masumi ICHIEN
  • Publication number: 20200169376
    Abstract: Embodiments of the present disclosure relate to methods and devices for data transmission. In example embodiments, a method implemented in a network device is provided. According to the method, a target RS port group is determined from a plurality of RS ports for transmitting a RS. The RS ports are associated with at least one network device. Then, a configuration of the target RS port group is transmitted to the terminal device.
    Type: Application
    Filed: July 24, 2017
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventors: Yukai GAO, Gang WANG
  • Publication number: 20200166496
    Abstract: Provided is a coefficient calculation device and the like that can promptly calculate accurate extinction coefficient for a certain area. The coefficient calculation device is configured to calculate an extinction coefficient for a part of partial areas among a plurality of partial areas in a field in accordance with a predetermined calculation processing, generate relevance information representing a relevance between the extinction coefficient calculated for the part of partial areas and a characteristic value representing a character of the part of partial areas, and calculate an extinction coefficient for another partial area different from the part of partial areas among the plurality of partial areas based on the characteristic value for the another partial area and the generated relevance information.
    Type: Application
    Filed: June 29, 2017
    Publication date: May 28, 2020
    Applicant: NEC Corporation
    Inventors: Kenichiro FUJIYAMA, Mineto SATOH, Tan AZUMA, Tetsuri ARIYAMA
  • Publication number: 20200167465
    Abstract: An information processing device includes: a memory; and at least one processor coupled to the memory. The processor performs operations. The operations include: extracting a transmission source of communication from communication data received by a predetermined device, and generating first data that include the transmission source and a time associated with communication and included in the communication data; and totaling a first frequency of reception of the communication data for the each transmission source, based on the first data, in each of a first period and a second period that includes the first period and is longer than the first period.
    Type: Application
    Filed: June 4, 2018
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventors: Yuki ASHINO, Masato YAMANE
  • Publication number: 20200166497
    Abstract: An analysis apparatus (100) includes an image acquisition unit (110) and an analysis unit (120). The image acquisition unit (110) acquires image data of a microfossil in a sample collected from a stratum. The analysis unit (120) analyzes the image data acquired by the image acquisition unit (110) using a machine learning result to analyze a taxon or kind of the microfossil in the image data.
    Type: Application
    Filed: May 10, 2018
    Publication date: May 28, 2020
    Applicants: NEC CORPORATION, JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION KOCHI UNIVERSITY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Yousuke TAIRA, Naoki KUWAMORI, Tatsuhiko HOSHINO, Jonaotaro ONODERA, Tatsuhiko YAMAGUCHI, Kyoko TOMIOKO, Takuya ITAKI
  • Publication number: 20200167680
    Abstract: A first reception unit 81 receives, as an input, a graph including: a plurality of nodes representing experimental operations; a plurality of nodes representing results of the operations; and edges representing cause-and-effect relationships between the experimental operations and the operation results. A second reception unit 82 receives, as an input, either information indicating the degree of cause-and-effect relationship between each experimental operation and each operation result or past experimental results from which the strength of each cause-and-effect relationship can be estimated. On the basis of the input received by the first reception unit 81 and the information received by the second reception unit 82, an output unit 83 outputs the order in which a plurality of experimental operations are to be performed.
    Type: Application
    Filed: May 17, 2017
    Publication date: May 28, 2020
    Applicant: NEC CORPORATION
    Inventor: Akihiro YABE