Patents Assigned to NEC Corporation
  • Publication number: 20210160025
    Abstract: The present disclosure provides methods and apparatuses for Phase Tracking Reference Signal (PTRS) configuration. In example embodiments, a method implemented in a network device is provided. According to the method, a first configuration for transmitting a PTRS is determined. The first configuration indicates at least one of the following: a first density of the PTRS in time domain, a second density of the PTRS infrequency domain, first resource allocation for the PTRS in time domain, and second resource allocation for the PTRS in frequency domain. Information on the first configuration is transmitted to a terminal device.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 27, 2021
    Applicant: NEC CORPORATION
    Inventors: Yukai GAO, Gang WANG
  • Patent number: 11014650
    Abstract: A first moving body has: a first control information generation unit for generating first control information for causing the first moving body to operate by itself; a state acquisition unit for acquiring states of the first moving body and a second moving body; a second control information generation unit for generating, on the basis of the acquired states, second control information for causing the first moving body and the second moving body to operate in a coordinated manner; a third control information generation unit for generating third control information from the first control information and the second control information; and an operation control unit for controlling operation of the first moving body in accordance with the third control information.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Masatsugu Ogawa
  • Patent number: 11018901
    Abstract: The present invention addresses the problem of providing a gateway and a communication control method which make it possible to manage both a quasi-associated network and an associated network appropriately. A gateway and a communication control method of the present disclosure: interconnect a Public Switched Telephone Network (PSTN) and an Internet Protocol (IP) network; receive, via a certain link set, a signal including information indicating a transmission-source signal station; and determine the type of the network from which the signal has been transmitted, on the basis of a determination as to whether a signal station which is adjacent via the link set used for communicating the received signal corresponds to the transmission-source signal station indicated by the information included in the received signal.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Naoya Yabushita
  • Patent number: 11019534
    Abstract: A method for managing radio resources in a multiple radio access technology (multi-RAT) wireless communication network, which includes one or more orthogonal frequency-division multiple access (OFDMA)-based base stations that implement different radio access technologies (RATs), includes the step of creating, for each of a plurality of mobile terminals, an incoming queue where data destined to the respective mobile terminal is buffered. Queue information of each mobile terminal is collected and provided to the multi-RAT wireless communication network. System constraints of the multi-RAT wireless communication network are defined and network constraint information is provided.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Andres Garcia-Saavedra, Luis Diez Fernandez, Ramon Agueero, Xi Li, Xavier Costa Perez
  • Patent number: 11019561
    Abstract: A communication control device comprises a receiving means which receives mode information about a restriction mode which is a setting of the first base station device; and a policy generation means which generates the access policy on the basis of the mode information. When a second base station device, which is within a radio wave range in which communication is enabled with the first base station device, communicates with another wireless communication apparatus, the restriction mode is the setting in which the wireless communication apparatus performs an operation for lowering the priority of accessing the first base station device.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Seiya Sasabe
  • Patent number: 11016953
    Abstract: An information processing device includes acquisition means for acquiring a plurality of tree structure data in which information groups are represented by tree structures and merge means for generating merged tree structure data merging the plurality of tree structure data. The merge means merges, for information satisfying a condition indicating that a certain distance from other information in the tree structure data is maintained, a subtree at a level below the information in the tree structure data, into the merged tree structure data, wherein the information satisfying the condition is included in a node selected from the plurality of tree structure data; and reorganizing for information satisfying a condition indicating that the distance between pieces of information is short, a merged subtree by merging subtrees below the information in the tree structure data into the information.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Kenichiro Ishikawa
  • Patent number: 11019495
    Abstract: A communication terminal (10) according to the present disclosure includes: a control unit (12) configured to, in a case of a movement from a communication area formed by the 5GS to a communication area formed by the EPS or a movement from a communication area formed by the EPS to a communication area formed by the 5GS, determine whether or not a communication system forming a communication area at a movement destination can satisfy requirements of services; and a communication unit (11) configured to, when it is determined that the communication system forming the communication area at the movement destination can satisfy the requirements of the services, send a connection request message to the communication system forming the communication area at the movement destination.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Hironori Ito, Anand Raghawa Prasad, Andreas Kunz, Sivabalan Arumugam, Sivakamy Lakshminarayanan, Sheeba Backia Mary Baskaran
  • Patent number: 11019594
    Abstract: Provided are a wireless communication device, a wireless communication terminal, a wireless communication system, a wireless communication method, and a storage medium that can realize reliable and stable wireless communication even in an unstable radio environment. The wireless communication device includes: a wireless communication unit capable of wirelessly communicating with a wireless communication terminal; and a communication control unit that controls at least one of switching of a frequency band of the wireless communication and switching of the wireless communication terminal based on at least one of time information and peripheral information indicating a status of a peripheral object.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Shinichi Anami
  • Patent number: 11019268
    Abstract: A video surveillance system includes: a detection unit that detects a predetermined event on the basis of an image captured by a first imaging apparatus; and a control unit that controls a second imaging apparatus such that the second imaging apparatus captures an image of a predetermined position after the detection of the predetermined event.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Kenichiro Ida, Hiroshi Kitajima, Ryoma Oami
  • Patent number: 11019653
    Abstract: A method at a base station for performing data transmission to a user equipment in a communications system supporting carrier aggregation of at least one first carrier on which a short TTI is applied and at least one second carrier on which a long TTI is applied. The method transmits at least one DL scheduling grant corresponding to data transmission to the user equipment in a DL control region of at least one of a short TTI on a first carrier and a long TTI on a second carrier and performs DL data transmission towards the user equipment in a data transmission region of a short TTI on the first carrier and in the data transmission region of a long TTI on the second carrier as indicated by the at least one DL scheduling grant.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Zhennian Sun, Chuangxin Jiang, Yukai Gao, Gang Wang
  • Patent number: 11017553
    Abstract: An information processing system of the present invention includes: a specifying unit configured to specify, based on a shot image, position information representing a position of a moving object present in the shot image and identification information for identifying a section of an area where the moving object is located; and a transmitting unit configured to transmit the position information and the identification information to the outside in association with each other. The moving object includes an estimating unit 130 configured to estimate a position of the moving object based on the identification information and the position information that have been transmitted.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Yasuyuki Nasu
  • Patent number: 11018858
    Abstract: A method for re-keying an encrypted data file, the data file being stored chunkwise on a storage entity (SE), data file chunks being encrypted with a global secret, and the method being performed in a memory available to a computing device, includes partially updating a global secret for encryption data for a data chunk to be re-keyed such that an output of a non-interactive oblivious key exchange is used to identify the private key of the data chunk to be re-keyed with a new private key; and reencrypting the data chunk to be re-keyed with the updated global secret.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Ghassan Karame
  • Patent number: 11017226
    Abstract: An example embodiment includes: an extraction unit that extracts a determination object image including a side part of an outer circumference of an iris from an image including an eye; and a determination unit that determines whether or not a colored contact lens is worn based on the determination object image.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Mamoru Inoue, Jinit Bhatt
  • Patent number: 11017367
    Abstract: A processing device allocates processing resources to a communication processing and an application processing and executes at least the communication processing and the application processing. The processing device includes: a communication interface and at least one processor that operates to execute a scheduling processing that allocates communication processing resources that are at least a part of the processing resources to the communication processing in a preferential manner and a billing processing that bills a user of the application processing according to a usage amount of processing resources used for the application processing. The application processing includes a non-priority application processing processable in a non-preferential manner. The scheduling processing is capable of allocating, when a load on the communication processing resources does not reach a predetermined threshold, the communication processing resources to the non-priority application processing.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Toshiki Takeuchi
  • Patent number: 11017400
    Abstract: According to the present invention, there is provided an information processing system (100) including an acquisition unit (11) that acquires an image, which is generated by a camera, of a face, a selection unit (14) that extracts a person in the acquired image, and selects a person who performs a settlement process based on at least one of a distance from a checkout apparatus, an appearance frequency, and an appearance period of time in a case where a plurality of persons are extracted, an identification unit (12) that identifies the selected person based on the image in which the person is included, and database information in which a feature value of a face is registered, a settlement unit (checkout unit (21)) that performs the settlement process with respect to the identified person.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Mizuto Sekine, Masato Kitada, Yoshinori Ehara, Saika Goto
  • Patent number: 11018341
    Abstract: A purpose of the present invention is to provide a binder composition for a secondary battery which can impart excellent battery characteristics, even when the heat treatment temperature is low. The binder composition for a secondary battery according to the present invention is characterized by comprising a polyamic acid comprising a repeating unit represented by chemical formula (1) and an aromatic compound comprising an electron donating group and an organic acid group, wherein A is a tetravalent group obtained by removing acid anhydride groups from a tetracarboxylic dianhydride, B is a divalent group obtained by removing amino groups from a diamine, and at least one of A and B is an aliphatic group.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Shin Serizawa
  • Patent number: 11017434
    Abstract: A method for generating data indicative of a customer interaction with a product on display includes acquiring, by one or more sensors attached to a product on display in a product display area, sensor data; wirelessly transmitting the sensor data to at least one wireless receiver located in the vicinity of the product display area; and transmitting the sensor data from the at least one wireless receiver to a computer. The method further includes executing, by the computer, a machine learning algorithm in order to determine that a potential customer has interacted with the product on display and to generate insights about an interaction between the customer and the product on display.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Miguel Garcia Galvao Almeida, Benjamin Hebgen, Ernoe Kovacs
  • Patent number: 11018342
    Abstract: A purpose of the present invention is to provide a binder composition for a secondary battery which improves the charge and discharge efficiency and the cycle characteristics of a battery. The binder composition for a secondary battery of the present invention is characterized by comprising a polyamide-imide comprising a repeating unit represented by chemical formula (1) or a precursor thereof, wherein A is a trivalent group obtained by removing carboxyl groups from a tricarboxylic acid, B is a divalent group obtained by removing amino groups from a diamine, and at least one of A and B is an aliphatic group.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Shin Serizawa
  • Patent number: 11017218
    Abstract: The present invention provides a technology that can reduce erroneous detection and detect a suspicious person from an image at high accuracy. A suspicious person detection device according to one example embodiment of the present invention includes: an eye direction detection unit that detects an eye direction of a subject; a face direction detection unit that detects a face direction of the subject; an environment information acquisition unit that acquires environment information indicating arrangement of an object around the subject; and a determination unit that, based on the face direction, the eye direction, and the environment information, determines whether or not the subject is showing suspicious behavior.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventor: Atsushi Moriya
  • Patent number: 11018671
    Abstract: A reconfigurable circuit includes: a first line; a first switch element disposed between the first line and a first power source line of first voltage; a second line; a second switch element disposed between the second line and a second power source line of second voltage which is different from the first voltage; and a resistive switch assembly disposed between the first line and the second line. The resistive switch assembly includes: a first non-volatile resistive switch; and a second non-volatile resistive switch whose first end is coupled to a first end of the first non-volatile resistive switch. The second end of the first non-volatile resistive switch is coupled to the first line, and the second end of the second non-volatile resistive switch is coupled to the second line.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: May 25, 2021
    Assignee: NEC CORPORATION
    Inventors: Xu Bai, Toshitsugu Sakamoto, Yukihide Tsuji, Makoto Miyamura, Ayuka Tada, Ryusuke Nebashi