Patents Assigned to NEC Corporation
  • Patent number: 10129920
    Abstract: A control apparatus (5) operates to: (a) receive from a first radio terminal (1), through a public land mobile network (100), a start request for ProSe communication (103) to be performed between the first radio terminal (1) and a second radio terminal (2) without communicating through the public land mobile network (100); and (b) receive a QoS requirement regarding the ProSe communication (103) from the second radio terminal (102). This contributes, for example, to ensuring QoS in inter-terminal direct communication required by a requested radio terminal, which has been requested by a requesting radio terminal to perform the inter-terminal direct communication.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: November 13, 2018
    Assignee: NEC Corporation
    Inventor: Hiroaki Aminaka
  • Patent number: 10129771
    Abstract: In a wireless communication system (1), a hard AP (10) including a station function (15) activates a soft AP function (22) of a wireless LAN device (20) included in a first combination composed of one or a plurality of wireless LAN devices (20) to check scan responsiveness, activates the soft AP function (22) of the wireless LAN device (20) included in other combination, and activates the soft AP function (22) of the wireless LAN device (20) included in a combination having higher scan responsiveness from between that of the first combination and that of the other combination.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: November 13, 2018
    Assignee: NEC CORPORATION
    Inventor: Shozo Fujino
  • Patent number: 10126115
    Abstract: A triangulation device for computing a three-dimensional position of a measurement target point using a stereo method, the triangulation device includes: optimum image coordinate estimation unit configured to, based on coordinates of corresponding points corresponding to the measurement target point in two images each of which including an image of the measurement target point, and intrinsic parameters and extrinsic parameters of optical instruments generating the two images, calculate correction vectors by which coordinates of the corrected corresponding points satisfy an epipolar equation composed of the intrinsic parameters and the extrinsic parameters, using a characteristic polynomial including a correction amount of coordinates of the corresponding points or a reciprocal of the correction amount as a variable, and compute coordinates of the corrected corresponding points based on calculated correction vectors; and three-dimensional coordinate calculation unit configured to calculate three-dimensional co
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: November 13, 2018
    Assignee: NEC CORPORATION
    Inventor: Gaku Nakano
  • Patent number: 10129849
    Abstract: A mobile communication method in a mobile communication system according to the present invention in which when MME#1 is restarted in a first state in which a PDN connection #1 including one or more EPS bearers #1 is set among a UE, an S-GW#1, and a P-GW#1, the first state transitions to a second state in which the PDN connection #1 is released between the UE and the S-GW#1 and the connection is maintained only between the S-GW#1 and the P-GW#1, the mobile communication method including the step of not transmitting, by the MME#1, “Paging” whose destination is the UE upon receiving “DDN” including IMSI of the UE after detecting that re-attach processing for the mobile station has been executed in the second state.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: November 13, 2018
    Assignee: NEC Corporation
    Inventors: Katsutoshi Nishida, Toshiyuki Tamura
  • Patent number: 10128976
    Abstract: A radio wave jamming system (1) comprises a plurality of radio transmitters (10) that are adapted to transmit respective jamming signals (11) including substantially the same frequency. The plurality of radio transmitters (10) are further adapted to temporally change at least one of the transmission phases of the jamming signals (11), which are to be transmitted from the plurality of radio transmitters (10), so as to temporally change the phase differences among the jamming signals (11) when the jamming signals (11) transmitted from the plurality of radio transmitters (10) arrive at a particular site (50). Thus, for example, a radio wave jamming system that can be constituted by small-output radio devices can be provided.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: November 13, 2018
    Assignee: NEC CORPORATION
    Inventors: Hideto Shibohta, Shigeru Asai, Kenji Wakafuji, Masakazu Ono, Shingo Watanabe, Masato Kudou
  • Patent number: 10128538
    Abstract: The present invention provides a non-aqueous electrolytic solution comprising a phosphinoamine-based compound represented by formula (1) below and a lithium ion secondary battery comprising the non-aqueous electrolytic solution. By adding the phosphinoamine-based compound to the non-aqueous electrolytic solution, oxidative degradation in the non-aqueous electrolytic solution is suppressed, and thus gas generation is suppressed.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: November 13, 2018
    Assignee: NEC Corporation
    Inventors: Shizuka Sato, Katsumi Maeda, Noriyuki Tamura, Sadanori Hattori
  • Patent number: 10129173
    Abstract: In an account association table the account IDs and account names of accounts created at nodes are associated and recorded. In response to an access control list change request including the account name of an account the access control entry of which is to be changed and the contents of the change, an access control list change unit retrieves an account ID recorded while being associated with the account name from the account association table and changes, in accordance with the contents of the change, an access control entry in which the retrieved account ID is recorded among account control entries in an access control list to be changed.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: November 13, 2018
    Assignee: NEC CORPORATION
    Inventor: Seijiro Kayaba
  • Patent number: 10127473
    Abstract: When making a diagnosis by synthetically taking into account the information obtained by preparing a plurality of samples using different staining methods or the like and sequentially observing the samples, a diagnostician must remember information about the plurality of samples. The present invention includes image storage means for storing a reference image obtained by photographing a predetermined stained sample of and a comparison image obtained by photographing another stained sample of substantially identical biological tissues, partial image creation means for detecting a structure of the biological tissue from the reference image, cutting out from the comparison image a partial image that contains the structure detected, and storing into partial image storage means the partial image in association with the structure and the comparison image, image output means for outputting a result image that includes the reference image and the partial image, and the partial image storage means.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: November 13, 2018
    Assignee: NEC Corporation
    Inventors: Maki Sano, Yoshiko Yoshihara, Toru Sano
  • Patent number: 10127780
    Abstract: A guidance assistance system includes an arrangement evaluation unit which derives a priority of arrangement of detection means for detecting a status of congestion on a travel route or a priority of arrangement of a guide sign for guiding the crowd based on information related to a status of the travel route and an order determination unit which determines an order of arrangement of the detection means or an order of arrangement of the guide sign based on information related to the priority.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: November 13, 2018
    Assignee: NEC CORPORATION
    Inventor: Kumiko Tadano
  • Publication number: 20180324825
    Abstract: Embodiments of the present disclosure relate to a method and apparatus for performing UL scheduling and a method and apparatus for perform UL transmission. In an embodiment of the present disclosure, the method of performing UL scheduling comprises determining at least two modes for the UL scheduling based on the number of downlink (DL) subframes and the number of UL subframes, wherein the at least two modes indicate different scheduling time delays.
    Type: Application
    Filed: February 2, 2016
    Publication date: November 8, 2018
    Applicant: NEC Corporation
    Inventors: Lei JIANG, Hongmei LIU, Gang WANG
  • Publication number: 20180322018
    Abstract: The present invention provides a software storage unit, a backup method, and a backup control program capable of completing data transfer to a data backup destination in a shorter time. The software storage unit includes a software storage section constructed across a plurality of physical machines and a switch section coupled to an external network, wherein the software storage section grasps data to back up, among stored data, which is to be transferred to a data backup destination, splits the grasped data into a plurality of data parts, and issues a command to transfer the split data parts from respective ones of the plurality of physical machines to the data backup destination via the switch section.
    Type: Application
    Filed: November 18, 2016
    Publication date: November 8, 2018
    Applicant: NEC Corporation
    Inventor: Kouichi MATSUMOTO
  • Publication number: 20180324446
    Abstract: Provided is an information compression device or the like which is capable of compressing information required for encoding processing to a smaller size. The information compression device calculates a number of non-zero blocks having a value equal or greater than a predetermined value, determine a position for storing the non-zero blocks in a memory, and store only the non-zero blocks to a memory area in accordance with the determined position.
    Type: Application
    Filed: November 9, 2016
    Publication date: November 8, 2018
    Applicant: NEC CORPORATION
    Inventor: Tatsuji MORIYOSHI
  • Publication number: 20180322672
    Abstract: An image processing system in which, in order to easily analyze input images acquired by sensors, output image quality is improved so that is suitable for a user. It includes: a gradient calculation unit that calculates a desired gradient based on input images; an indication function calculation unit that calculates an indication function for the input images, the indication function defining a range that can be taken by an output image and pixel values of a reference image; a pixel value renewal unit that renews pixel values of one of the input images so as to approximate the desired gradient to produce a renewed image; and a pixel value constraint unit that updates pixel values of the renewed image so as to fall within the range that can be taken by the output image and to approximate the pixel values of the reference image, to thereby obtain the output image.
    Type: Application
    Filed: September 14, 2016
    Publication date: November 8, 2018
    Applicants: NEC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Takashi SHIBATA, Masayuki TANAKA, Masatoshi OKUTOMI
  • Publication number: 20180323897
    Abstract: Scrambling code is initialized based on a parameter, n?RNTl, that changes from a given block of sub-frames to a subsequent block of sub-frames wherein the parameter is derived using one of the following formulas: n?RNTl=(nRNTI+SFN)mod 216 n?RNTl=(nRNTI+k)mod 216 where nRNTI is a temporary identifier associated with a mobile device connected to said cell and for which said scrambling code is applicable; and SFN is a system frame number associated with said at least one of said sequence of sub-frames; and k is a sub-frame counter.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 8, 2018
    Applicant: NEC CORPORATION
    Inventors: Robert ARNOTT, Yassin Aden AWAD, Caroline LIANG
  • Publication number: 20180324073
    Abstract: In order to enable to measure a throughput with high accuracy in an application layer, a throughput measuring method according to an exemplary aspect of the invention includes: transmitting data to a receiving device, receiving a feedback indicating a receiving completion of the data, from the receiving device, calculating a boundary value of a range of values allowable for a throughput, based on the feedback and a transmitted data amount of the data, measuring a theoretical value of the throughput, and outputting the boundary value when the theoretical value falls outside the range, and outputting the theoretical value when the theoretical value falls within the range.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 8, 2018
    Applicant: NEC Corporation
    Inventor: NATSUKI KAI
  • Publication number: 20180324099
    Abstract: Provided is, for example, a communication prediction apparatus that can predict, with a higher degree of precision, communication to be performed by an object terminal even when a communication trend changes with changes in the state of the object terminal. A communication prediction apparatus 23 is provided with: a communication monitoring unit 101 that monitors communication performed between an information processing terminal 10 and an application server 30; a terminal-state determination unit 102 that determines a terminal state of the information processing terminal 10; and a communication prediction unit 104 that predicts communication to be performed by the information processing terminal 10 in a period from a point in time of interest to a point in time at which a predetermined time has elapsed.
    Type: Application
    Filed: December 2, 2016
    Publication date: November 8, 2018
    Applicant: NEC Corporation
    Inventor: Takeo ONISHI
  • Publication number: 20180324004
    Abstract: A radio apparatus is provided with: a channel estimation part that estimates a channel response between a radio terminal and the radio apparatus; a channel information generation part that generates channel information from the estimated channel response; and a transmission part that transmits the generated channel information to a control apparatus.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 8, 2018
    Applicant: NEC Corporation
    Inventors: Jun SHIKIDA, Naoto ISHII
  • Publication number: 20180324899
    Abstract: Communication apparatus for a cellular communication system are disclosed. The communication apparatus comprises a controller and a transceiver. The controller is operable to control the transceiver to communicate with communication apparatus of a wireless local area network (WLAN) in pursuance of an interface setup procedure to setup an interface between the communication apparatus for the cellular communication system and the communication apparatus of the WLAN. As part of the interface setup procedure, the controller controls the transceiver to transmit an interface setup request message to the communication apparatus of the WLAN and receive, responsive to the interface setup request message, an interface setup response message including information identifying an access mode of at least one access point (AP) of the WLAN. The controller sets up the interface at the communication apparatus for the cellular communication system based on the interface setup procedure.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 8, 2018
    Applicant: NEC CORPORATION
    Inventor: Sivapathalingham SIVAVAKEESAR
  • Publication number: 20180324669
    Abstract: A method in a relay station includes communicating with a base station, determining if a control signal is included in a subframe, and decoding data in the subframe if the control signal is included in the subframe. The control signal includes a parameter which is related to a quantity of resource blocks.
    Type: Application
    Filed: July 18, 2018
    Publication date: November 8, 2018
    Applicant: NEC CORPORATION
    Inventor: Yassin Aden AWAD
  • Publication number: 20180324761
    Abstract: The invention describes a method for detecting an inability to serve a UE in the selected serving node due to mismatch between the UE's DCN-related indication and the UE's DCN-related subscription and/or the UE's capabilities and/or due to serving node congestion. The method allows to update the UE's DCN configuration information, so that the UE can be assigned to an appropriate DCN during the next RRC/NAS request procedure.
    Type: Application
    Filed: November 8, 2016
    Publication date: November 8, 2018
    Applicant: NEC Corporation
    Inventors: Genadi VELEV, Iskren IANEV, Toshiyuki TAMURA