Patents Assigned to NEC
  • Publication number: 20210029660
    Abstract: This disclosure handles a registration procedure in a UE supporting registration to 5GC via untrusted non-3GPP access network and 3GPP access network. More specifically this disclosure defines a UE behavior when a registration procedure is not successful to 5GC via first access network type (e.g. untrusted non-3GPP network access) after transmitting maximum number of registration request message via the first access network type to the 5GC and the UE is registered to 5GC via other access network type (e.g. 3GPP access network (NG-RAN)).
    Type: Application
    Filed: January 9, 2019
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: KUNDAN TIWARI, Toshiyuki TAMURA
  • Publication number: 20210027778
    Abstract: The speech processing apparatus 100 includes an air microphone speech recognition unit 101 which recognizes speech from an air microphone 200 acquiring speech through air, a wearable microphone speech recognition unit 102 which recognizes speech from a wearable microphone 300, a sensing unit 103 which measures environmental conditions, a weight decision unit 104 which calculates the weights for recognition results of the air microphone speech recognition unit 101 and the wearable microphone speech recognition unit 102 on the basis of the environmental conditions, and a combination unit 105 which combines the recognition results outputted from the air microphone speech recognition unit 101 and the wearable microphone speech recognition unit 102, using the weights.
    Type: Application
    Filed: February 14, 2018
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: Qiongqiong WANG, Takafumi KOSHINAKA
  • Publication number: 20210028525
    Abstract: A tunable band-pass filter (10) according to the present disclosure includes: a waveguide (11); a plurality of resonators (121) configured to be accommodated in the waveguide (11) and aligned in a longitudinal direction of the waveguide (11); a dielectric plate (13) configured to extend in the longitudinal direction of the waveguide (11) so to be arranged adjacent to the plurality of resonators (121); and a metal pattern (15) for coupling adjustment formed on the dielectric plate (13) at a position corresponding to an interstage of the resonators (121), in which a distance between the dielectric plate (13) and the resonators (121) is variable.
    Type: Application
    Filed: February 18, 2019
    Publication date: January 28, 2021
    Applicant: NEC CORPORATION
    Inventor: Daisuke IWANAKA
  • Publication number: 20210029103
    Abstract: A control apparatus includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: control communication in a vehicle by setting a control entry to a plurality of switches relaying, by referring to the control entry, a packet input to and output from an ECU installed in the vehicle, and perform an authentication processing for a device attempting communication with the ECU via any one of the plurality of switches. The control sets, to the switch, a temporary control entry realizing the communication between the device and ECU when authentication of the device is successful.
    Type: Application
    Filed: August 30, 2018
    Publication date: January 28, 2021
    Applicant: NEC CORPORATION
    Inventor: Yasuhiro MIZUKOSHI
  • Publication number: 20210028838
    Abstract: An object is to provide an antenna system, a control method of an antenna system, and program capable of maintaining communication quality even when communication state between wireless communication apparatuses is changed. Detection antennas are arranged in a Z-direction to respectively correspond to radiation antennas and receive radio waves. A combiner/divider circuit (13) distributes a transmission signal to the radiation antennas. A detection circuit detects reception sensitivity distribution of the detection antennas in the Z-direction. A control circuit controls the combiner/divider circuit based on the reception sensitivity distribution to cause the radiation antennas corresponding to the detection antenna having reception sensitivity higher than a predetermined value to radiate the radio wave.
    Type: Application
    Filed: February 18, 2019
    Publication date: January 28, 2021
    Applicant: NEC CORPORATION
    Inventor: Yoshihide TAKAHASHI
  • Publication number: 20210029776
    Abstract: This disclosure is related to a procedure to provide emergency services support for a UE which does not have a valid subscription for the serving PLMN. This disclosure more specifically provides procedure to support IMS emergency call or eCall support for a UE which is in limited state on a E-UTRA cell is connected to both EPC and 5GCN.
    Type: Application
    Filed: January 9, 2019
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: KUNDAN TIWARI, Toshiyuki TAMURA
  • Publication number: 20210027078
    Abstract: A looking away determination device includes: a determination unit that determines that a driver is in a looking away state when a proportion of an image in which the face of the driver is not detected with respect to a plurality of images obtained by imaging the driver is equal to or greater than a first predetermined value.
    Type: Application
    Filed: February 1, 2019
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: Nana SAKUMA, Hidenori TSUKAHARA, Yuta SHIMIZU
  • Publication number: 20210027254
    Abstract: A maintenance management apparatus according to the present disclosure includes a storage unit configured to store log identifiers for identifying log information, and time information of the log information while associating them with each other, and an analyzing unit configured to create a log sequence in which the plurality of log identifies are arranged based on the time information, calculate a sequence time from a difference between a start time of the log sequence and an end time thereof, and group the log sequence into a sequence group in which the log sequence and the sequence time are associated with each other. When the sequence group matches neither with a pre-registered normal sequence group nor with a pre-registered abnormal sequence group, the analysis unit calculates a predicted incident occurrence time based on a sequence group having a highest matching rate with the sequence group among pre-registered incident sign groups.
    Type: Application
    Filed: November 16, 2018
    Publication date: January 28, 2021
    Applicant: NEC Platforms, Ltd.,
    Inventor: Ryo SUZUKI
  • Publication number: 20210027619
    Abstract: The vehicle information acquisition unit (11) acquires vehicle information regarding travelling states of vehicles that are present in the vicinity of a plurality of respective intersections from data received from each of a plurality of detection apparatuses (20). The congestion determination unit (13) determines, for each of the plurality of intersections, whether congestion is occurring based on the vehicle information and determines an intersection where congestion has occurred to be a congested intersection. The intersection specifying unit (15) specifies, when there is a continuous congestion path including a plurality of consecutive congested intersections, a congestion-inducing intersection, which is an intersection that has induced congestion in a continuous congestion path. The cause determination unit (14) specifies the cause of the congestion occurred in the congestion-inducing intersection.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventor: Michihiko YUSA
  • Publication number: 20210029579
    Abstract: A RAN node includes means for receiving a N2 message containing a list of S-NSSAI of the congested network slice from an AMF and means for sending the list of S-NSSAI and a wait timer for each S-NSSAI in the list in first AN signaling message to an UE when receiving, from the UE, second signaling message containing the list of S-NSSAI to establish an AN signaling connection, the S-NSSAI being indicated in the N2 message as congested by the AMF.
    Type: Application
    Filed: January 9, 2019
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: KUNDAN TIWARI, Toshiyuki TAMURA
  • Publication number: 20210027397
    Abstract: A cultivation-target crop selection assisting apparatus 10 includes: an information collection unit 11 configured to collect information regarding a specific cultivated land; a prediction value calculation unit 12 configured to calculate a prediction value of actual performance of cultivation of one or a plurality of varieties of crops in the specific cultivated land by applying the information collected by the information collection unit 11 to a prediction model 14 created by performing machine learning on a relationship between information regarding a sample cultivated land and actual performance information regarding a crop produced in the sample cultivated land; and a crop selection unit 13 configured to select a crop that is suitable for being cultivated in the specific cultivated land based on the prediction value calculated for the one or plurality of varieties of crops.
    Type: Application
    Filed: March 11, 2019
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventor: Yusuke KIKUCHI
  • Publication number: 20210029702
    Abstract: A wireless communication system includes one or more base stations able to divide resources between multiple network operators sharing the base station. A shared base station is configured to monitor a contribution to the load on the base station associated with network operators sharing the base station resources and to provide the determined contribution to the load to one or more other base stations for use in load balancing between the base stations.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: Francesca SERRAVALLE, Neeraj GUPTA, Robert PATERSON, Satoshi NOMA
  • Publication number: 20210027069
    Abstract: Methods and systems for crowd level estimation are provided. The system for crowd level estimation includes an input module and a crowd level estimation module. The input module receives an input image of a crowd and the crowd level estimation module estimates a crowd level of the crowd in the input image in response to a crowd density level.
    Type: Application
    Filed: February 27, 2019
    Publication date: January 28, 2021
    Applicant: NEC CORPORATION
    Inventors: Arun Kumar CHANDRAN, Wen ZHANG, Yusuke TAKAHASHI
  • Publication number: 20210029297
    Abstract: A vibration measurement system comprises an image capturing apparatus, a distance measuring apparatus, a sensor that outputs a signal according to an inclination of the image capturing apparatus relative to the vertical direction, and a vibration measurement apparatus. The vibration measurement apparatus includes calculating an angle formed by the normal of an image capturing surface of the image capturing apparatus and the normal of the measurement target surface that the image capturing apparatus shoots, based on the signal output by the sensor, converting the image obtained that the image capturing apparatus shoots into an image that would be obtained were the normal of the measurement target surface coincident with the normal of the image capturing surface of the image capturing apparatus, using the calculated angle, and measuring vibration of the structure, using the converted image and the measured distance from the image capturing apparatus to the measurement target surface.
    Type: Application
    Filed: March 29, 2018
    Publication date: January 28, 2021
    Applicant: NEC Corporation
    Inventors: Gaku NAKANO, Kazuhito MURATA, Asuka ISHII, Masahiko OHTA
  • Patent number: 10904740
    Abstract: Embodiments of this disclosure enable the I-CSCF and S-CSCF to detect inbound roaming UEs to network supporting Service Domain Centralization in IMS, so that the S-CSCF is able to select the appropriate database entity and can understand the CS authentication vector.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: January 26, 2021
    Assignee: NEC Corporation
    Inventors: Andreas Kunz, Naoaki Suzuki, Anand Raghawa Prasad
  • Patent number: 10901372
    Abstract: In order to simplify calculation of delay time lengths in a time synchronization device in a packet network, when executing time synchronization using a synchronization signal sent via the packet network, this time synchronization device 20 includes: a data receiving unit 21 that receives synchronization information including a time correction field used when correcting synchronization time information in a client device 30; a before-data-processing time correcting unit 22 that updates the time correction field by subtracting information indicating a time at which synchronization information is received, from the time correction field; an after-data-processing time correcting unit 23 that updates the time correction field by adding information indicating a time after performing data processing on the synchronization information, to the time correction information of the time correction field updated by the before-data-processing time correcting unit 22; and a data sending unit 24 that sends the updated synchr
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: January 26, 2021
    Assignee: NEC Corporation
    Inventor: Takatoshi Ogawa
  • Patent number: 10904875
    Abstract: In order for a first terminal apparatus to transmit a physical uplink control channel to a base station without retuning regardless of a bandwidth part used by the first terminal apparatus, a base station 100 according to the present disclosure includes a communication processing unit 141 configured to communicate with the first terminal apparatus (terminal apparatus 200A) within a bandwidth part of an uplink system band, the bandwidth part being used by the first terminal apparatus (terminal apparatus 200A), wherein the bandwidth part includes a physical uplink control channel region used by the first terminal apparatus (terminal apparatus 200A).
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: January 26, 2021
    Assignee: NEC CORPORATION
    Inventor: Shizen Sasaki
  • Patent number: 10899540
    Abstract: It is determined whether or not a cargo identifier (ID) transmitted from a cargo tag attached to a container has been detected by a first antenna provided in a fork, and a carrying-in source or a carrying-out destination of the cargo is determined according to a detection situation of the cargo ID.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: January 26, 2021
    Assignee: NEC CORPORATION
    Inventors: Jun Uchimura, Hideaki Takahashi
  • Patent number: 10901083
    Abstract: A target search system includes: a signal processing unit that is input with a received signal including a reflected wave based on a pulsed transmission wave modulated in linear frequency modulation, calculates mutual correlation between the transmission wave and the received signal, and amplifies a power ratio of a signal component of a reflected wave from a target and another signal component at a predetermined process gain; a specifying unit by which a user specifies one value of a pulse length, a frequency change ratio, and a frequency amplitude of the transmission wave and the process gain; and a transmission wave determination unit that determines a remaining value of the transmission wave based on the specified one value of the pulse length, the frequency change ratio, and the frequency amplitude of the transmission wave and the specified process gain so as to satisfy a relational equation for the process gain.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: January 26, 2021
    Assignee: NEC CORPORATION
    Inventor: Hisashi Shiba
  • Patent number: 10901095
    Abstract: The present invention makes it possible to enhance the accuracy of position and attitude estimation.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: January 26, 2021
    Assignee: NEC CORPORATION
    Inventor: Toshiaki Yamashita