NEC Corporation patent applications on January 25th, 2024
Patent Applications by NEC Corporation on January 25th, 2024
NEC Corporation: 37 patent applications
NEC Corporation has applied for patents in the areas of G06F21/32 (6), G06T7/20 (6), G06T7/70 (6), G06V40/20 (5), G06V40/10 (5)
With keywords such as: information, unit, data, device, control, based, position, target, communication, and area in patent application abstracts.
Patent Applications by NEC Corporation
Inventor(s): Chenhui HUANG of Tokyo (JP) for nec corporation, Fumlyuki NIHEY of Tokyo (JP) for nec corporation, Kentaro NAKAHARA of Tokyo (JP) for nec corporation, Kenichiro FUKUSHI of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/11, A61B5/00
Abstract: please delete the abstract of the disclosure, and replace it with the following: a feature-amount generation device that includes an extraction unit that generates a gait waveform for one gait cycle from time-series data of sensor data related to a motion of a foot, extracts a feature amount from the generated gait waveform, and extracts a gait phase cluster by integrating a plurality of temporally continuous gait phases from each of which a feature amount is extracted, and a generation unit that generates a feature amount of the gait phase cluster using a preset feature-amount constitutive expression, and generates feature-amount data in which the plurality of gait phases constituting the gait phase cluster and the feature amount of the gait phase cluster are associated with each other.
Inventor(s): Hiroyoshi Yamane of Tokyo (JP) for nec corporation
IPC Code(s): B25J9/16
Abstract: an abnormality detection apparatus acquires an operation plan of a robot and a real video. the real video is generated by a camera capturing the robot operating according to the operation plan. the abnormality detection apparatus generates a simulation video that is a video of the robot simulated using the operation plan. the abnormality detection apparatus determines whether or not there is an abnormality in the robot by comparing the simulation video with the real video.
Inventor(s): Nana JUMONJI of Tokyo (JP) for nec corporation, Yosuke Kimura of Tokyo (JP) for nec corporation, Chisato Sugawara of Tokyo (JP) for nec corporation, Takakazu Ishii of Tokyo (JP) for nec corporation, Shouhei Ohno of Tokyo (JP) for nec corporation, Hiromichi Hirata of Tokyo (JP) for nec corporation, Daisuke Hashizume of Tokyo (JP) for nec corporation
IPC Code(s): E01C23/01, G01S13/90
Abstract: a deterioration determination device includes: a memory; and at least one processor coupled to the memory. the processor performs operations. the operations include: acquiring a diagnosis result of first deterioration of a structure and a determination result of displacement of a ground surface including the structure; determining second deterioration of the structure using the diagnosis result of the first deterioration and the determination result of the displacement of the ground surface; and outputting the second deterioration and a position of the second deterioration.
Inventor(s): Kenji Kondo of Tokyo (JP) for nec corporation
IPC Code(s): G01C21/34, G01C21/36
Abstract: to reduce congestion while improving satisfaction of a user who moves to escape the congestion, an information processing system includes: a prediction section that refers to people distribution information in a plurality of areas, to predict a future congested area and a future uncongested area among the plurality of areas; an extraction section that refers to user information on one or more users staying in the congested area and information related to the uncongested area, to extract a target user from the one or more users staying in the congested area, the target user being a target to be recommended to move to the uncongested area; and an output section that outputs movement information for prompting the target user to move to the uncongested area.
Inventor(s): Koya TAKATA of Tokyo (JP) for nec corporation, Hisashi MIZUMOTO of Tokyo (JP) for nec corporation, Fujio OKUMURA of Kanagawa (JP) for nec corporation
IPC Code(s): G02B17/08, H04B10/40
Abstract: provided is a light receiving device including a ball lens, a concave lens that is arranged in a light collecting region of the ball lens, a reflection element that is arranged in association with the concave lens and has a reflection surface that diffracts and reflects an optical signal collected by the concave lens, and a light receiving element that is arranged in association with the reflection element and receives the optical signal diffracted and reflected by the reflection surface of the reflection element.
Inventor(s): Tatsuya YOSHIMOTO of Tokyo (JP) for nec corporation, Hiroshi YOSHIDA of Tokyo (JP) for nec corporation
IPC Code(s): G05B13/02, E02F9/20
Abstract: in a related method, there is a problem that an accuracy of control is not sufficiently high. a work control method of a construction machine according to the present invention includes: control parameter adjustment processing for adjusting a control gain for each control section, which is a unit section of control; and feedback control processing for computing a feedback control input value for controlling the posture of a construction machine using the control gain, in which the control parameter adjustment processing includes: overshoot computation processing for computing an amount of overshoot of a posture detection value with respect to a target position in a previous control section; addition/subtraction rate computation processing for computing a control gain addition/subtraction rate, which is an addition/subtraction rate of the control gain in the next control section, based on the amount of overshoot; addition/subtraction rate smoothing processing for computing a post-smoothing addition/subtraction rate in which the control gain addition/subtraction rate is smoothed based on a post-smoothing addition-subtraction rate computed in the previous control section and the control gain addition/subtraction rate; and control gain computation processing for computing the control gain in the next control section from the post-smoothing addition/subtraction rate.
20240028018.ANALYSIS APPARATUS_simplified_abstract_(nec corporation)
Inventor(s): Ryosuke Togawa of Tokyo (JP) for nec corporation, Yutaka Takahashi of Tokyo (JP) for nec corporation, Shigemasa Yokota of Tokyo (JP) for nec corporation
IPC Code(s): G05B23/02
Abstract: an analysis apparatus includes: an anomaly classifying unit that classifies the type of an anomaly having occurred based on time-series sensing data in occurrence of anomaly received from a plurality of sensors and a learned model learned in advance; and an identifying unit that identifies a sensor having detected information corresponding to the cause of the anomaly classified by the anomaly classifying unit based on information corresponding to the sensing data and information corresponding to past data that is past sensing data stored in advance.
Inventor(s): Kunihiro KAJIYAMA of Tokyo (JP) for nec corporation
IPC Code(s): G06F3/04886, G06F3/01, H04M1/23, G06F3/0488, G06F3/041
Abstract: the present invention provides an information input device, in which information is inputted by easy operations, even if a display unit size is limited. an information input device of the present invention has: a display unit displaying a plurality of figures; a detecting unit arranged in front of the display unit or behind the display unit, and detecting whether a physical contact from an outside exists or not and a contacted position at which the physical contact exists; and a control unit deciding a figure displayed on the display unit and a position at which the figure is displayed, and inputting information based on a signal from the detecting unit, and when the detecting unit detects the physical contact exists, the control unit determines a first figure displayed at a nearest position to the contacted position in the plurality of figures based on the contacted position and decides a second figure displayed at a position surrounding the contacted position based on a kind of the first figure.
Inventor(s): Noriyuki Hiramoto of Tokyo (JP) for nec corporation, Kazuyoshi Takahashi of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, G06F21/60, G06Q50/10, G07B11/00, G06V40/16
Abstract: an information processing apparatus in the present invention includes: an acquisition unit that acquires first history information indicating that a procedure related to boarding of a passenger in an airport was performed with biometric authentication and second history information indicating that the procedure was performed with reading of a medium; and an output unit that outputs usage status of the biometric authentication in the procedure based on the first history information and the second history information.
Inventor(s): Keiichi Kisamori of Tokyo (JP) for nec corporation, Yu Kiyokawa of Tokyo (JP) for nec corporation
IPC Code(s): G06F30/20
Abstract: a data calculation device including a high-level posterior distribution data calculator for calculating data indicating a posterior distribution of parameter values of a high-level model that simulates a subject, based on target data for outputs from the high-level model; and a low-level posterior distribution data calculator for calculating, for a low-level model that simulates a portion of the subject and that outputs parameter values of the high-level model, data indicating a posterior distribution of parameter values of the low-level model, based on the data indicating a posterior distribution of parameter values of the high-level model.
Inventor(s): Adi LIN of Beijing (CN) for nec corporation, Lu FENG of Beijing (CN) for nec corporation
IPC Code(s): G06F40/30, G06F40/289
Abstract: according to the embodiments of the present disclosure, a method, apparatus, device, and storage media for information processing are provided. the method comprises extracting a plurality of keywords from an unstructured text set for a target object. the method comprises grouping at least a portion of the plurality of keywords based on semantics of the plurality of keywords. the method further comprises determining a target factor corresponding to a group of keywords based on a result of the grouping. the target factor represents an aspect of the target object. as such, new factors that affect the target object can be identified.
20240028912.PREDICTIVELY ROBUST MODEL TRAINING_simplified_abstract_(nec corporation)
Inventor(s): Vivek BARSOPIA of Tokyo (JP) for nec corporation, Yoshio KAMEDA of Tokyo (JP) for nec corporation, Tomoya SAKAI of Tokyo (JP) for nec corporation, Keita SAKUMA of Tokyo (JP) for nec corporation, Ryuta MATSUNO of Tokyo (JP) for nec corporation
IPC Code(s): G06N5/02
Abstract: predictively robust models are trained by embedding a distribution of each temporal data set among a plurality of temporal data sets into a feature vector, predicting a future feature vector of a distribution of a future data set, based on the feature vector of each temporal data set among a plurality of temporal data sets, creating the future data set from the future feature vector, perturbing the future data set to produce a plurality of perturbed future data sets, and training a learning function using the future data set and each perturbed future data set to produce a model.
Inventor(s): Eiji YUMOTO of Tokyo (JP) for nec corporation, Masahiro Hayashitani of Tokyo (JP) for nec corporation, Takeshi Hasegawa of Tokyo (JP) for nec corporation, Yuki Kosaka of Tokyo (JP) for nec corporation
IPC Code(s): G06N5/022, G06N20/00
Abstract: in order to achieve an object to determine, with high accuracy, that a target is in a specific state, a state determination apparatus includes: a calculation section that calculates, on the basis of data obtained from the target, a score indicative of a degree to which the target is in the specific state; a decision section that decides a threshold on the basis of the data; and a determination section that determines, by comparing the score and the threshold, whether the target is in the specific state.
Inventor(s): Jun Ono of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/0631, G06Q30/0202, G06Q50/12
Abstract: a data distribution platform includes: employee information storage means in which the employee information of each employee is stored; store information storage means in which the predicted crowdedness level and the target crowdedness level of each restaurant are stored; restaurant extraction means for extracting, from the store information storage means, a restaurant of which the predicted crowdedness level is lower than the target crowdedness level as a restaurant to which a customer should be sent; employee extraction means for extracting, from the employee information storage means, an employee who can use the restaurant extracted by the restaurant extraction means as an employee to be induced to go to the restaurant; and output means for outputting a combination of the restaurant extracted by the restaurant extraction means and the employee who can use the restaurant as a matching result.
Inventor(s): Maiko HASEGAWA of Tokyo (JP) for nec corporation, Nana JUMONJI of Tokyo (JP) for nec corporation, Chisato SUGAWARA of Tokyo (JP) for nec corporation, Yosuke KIMURA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/0639
Abstract: an infrastructure management system includes an information acquisition unit, a ranking unit, and a display control unit. the information acquisition unit acquires management information indicating an infrastructure management state of each of a plurality of companies. the ranking unit calculates a score pertaining to the management state of each of the plurality of companies, on the basis of the management information for each of the plurality of companies, and ranks the plurality of companies according to the calculated scores. the display control unit displays the rankings of the plurality of companies on a display means.
Inventor(s): Shinya YAMASAKI of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/087
Abstract: this information processing device has a determination unit and a generation unit. when a change in the display state of a product on a product shelf is detected, the determination unit determines whether the change in the display state has been made by a store employee. for example, the change in the display state of a product on the product shelf can be detected by a detection unit such as a weight sensor or a distance sensor. in the case of a weight sensor the change in the display state would be a change in the weight of the product shelf. the generation unit generates shelf allocation information when the change in the display state has been made by a store employee.
Inventor(s): Kazuya Kawakami of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/30, G06F3/147, G06V20/52
Abstract: a disposal information generation apparatus () includes an article information acquisition unit () and a disposal information generation unit (). the article information acquisition unit () acquires article information being information generated by using a sensor (), and information relating to an article. the disposal information generation unit () generates and outputs disposal information being information relating to a site where waste coming out of the article or the article is to be disposed of, by using the article information. thus, a person who intends to dispose of the waste or the article can recognize the site where the waste or the article is to be disposed of, by viewing the disposal information.
Inventor(s): Yaeko YONEZAWA of Tokyo (JP) for nec corporation, Kaito HORITA of Tokyo (JP) for nec corporation, Akira YAJIMA of Tokyo (JP) for nec corporation, Mizuto SEKINE of Tokyo (JP) for nec corporation, Yoshinori EHARA of Kanagawa (JP) for nec corporation
IPC Code(s): G06Q30/0242, G06T7/70, G06Q10/087, G06Q30/0272
Abstract: an image processing unit () acquires a position of an advertisement and a position of a product by analyzing an image in which the product and the advertisement are disposed on a shelf rack are captured. a determination unit () determines whether or not a relation between the position of the product and the position of the advertisement satisfies a criterion. an output unit () outputs information indicating a determination result obtained by the determination unit ().
Inventor(s): Akira HASHIMOTO of Tokyo (JP) for nec corporation, Kenichi ICHIHARA of Tokyo (JP) for nec corporation, Toshikazu MARUYAMA of Tokyo (JP) for nec corporation, Shizuko KANEGAE of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0251, H04W4/029, G06F3/01
Abstract: to make it possible to appropriately provide content information to a user terminal by using position information of the user terminal. an information providing apparatus () includes a storage unit () configured to store position information associated with a position on a map, content information associated with the position information, and an attribute corresponding to the content information, and a control unit () configured to output first content information to a user terminal based on position information acquired from the user terminal, and then output second content information associated with an attribute of the first content information to the user terminal.
Inventor(s): Soma SHIRAISHI of Tokyo (JP) for nec corporation
IPC Code(s): G06T7/20, G06T7/73, G06T7/246, G06V40/10, G06V10/20, G06V20/52, G06V40/20
Abstract: an information processing apparatus () analyzes a captured image () generated by a camera () to determine a motion of a person. the camera () is a camera that images a display place where an item is displayed. the information processing apparatus () detects a reference position () from the captured image (). the reference position () indicates a position of a hand of the person. the information processing apparatus () decides an analysis target region () to be analyzed in the captured image () using the reference position (). the information processing apparatus () analyzes the analysis target region () to determine the motion of the person.
Inventor(s): Yuka OGINO of Tokyo (JP) for nec corporation, Kosuke YOSHMI of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, G06T7/20, G06T7/70, G06V40/16
Abstract: the information processing apparatus includes: an acquisition unit that acquires time series data representing a displacement of a position in a three-dimensional coordinate system regarding a person included in a captured image obtained by capturing a predetermined area; a determination unit that, based on the time series data, determines whether or not the person is a target person of biometrics authentication; and an authentication unit that performs the biometrics authentication to the target person.
Inventor(s): Kenta lshihara of Tokyo (JP) for nec corporation
IPC Code(s): G06T19/20, G06T7/70, G06V10/44
Abstract: an image processing apparatus includes a visual recognition easiness level calculation unit and a visual feature adding unit. the visual recognition easiness level calculation unit calculates a visual recognition easiness level, the visual recognition easiness level indicating the ease of recognition of a skeleton model of a person that is built in a virtual space using three-dimensional skeleton information specifying three-dimensional coordinates of joints of the person, on a two-dimensional screen onto which the skeleton model is projected. the visual feature adding unit adds a visual feature to the skeleton model in accordance with the visual recognition easiness level.
Inventor(s): Yasunori FUTATSUGI of Tokyo (JP) for nec corporation, Yasuhiro MIZUKOSHI of Tokyo (JP) for nec corporation
IPC Code(s): G06V20/56, G06V20/40, G06V20/59, G06T7/215
Abstract: a movement vector calculation unit calculates movement vectors between frames of a video image of an area ahead of a vehicle. the video image is input as a moving image. an area inference unit infers an area indicating a movable object included in the video image of the area ahead of the vehicle. a vector excluding unit excludes, from among the calculated movement vectors, movement vectors in an area inferred as being the area indicating the movable object. a behavior inference unit infers behavior of the vehicle based on the movement vectors from which those in the area inferred as being the area indicating the movable object have been excluded.
Inventor(s): Masakazu Shimizu of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/10, G06V10/75, G06V10/74, G06V40/50, G06F21/32
Abstract: a threshold calculation system, includes: a first acquisition unit that obtains a matching information that is used for matching of a biological body; a second acquisition unit that obtains an attribute information indicating an attribute of the biological body; a storage unit that stores the matching information and the attribute information for each biological body; a sampling unit that extracts, as sample data, a plurality of matching informations from the storage unit, on the basis of a predetermined condition about the attribute information; a population estimation unit that estimates a population from the sample data; and a threshold calculation unit that calculates a threshold related to the matching information, on the basis of a distribution of the estimated population. according to such a threshold calculation system, it is possible to properly calculate the threshold related to biometric authentication.
20240029474.PERSON EVALUATION INFORMATION GENERATION METHOD_simplified_abstract_(nec corporation)
Inventor(s): Yusuke OI of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/20
Abstract: a person evaluation information generation device of the present invention includes an acquisition unit that acquires video data and audio data related to a plurality of persons, and generates speech and motion information related to the plurality of persons on the basis of the video data and the audio data of each of the plurality of persons, a generation unit that generates evaluation information in which speech and motion information acquired from at least one person to be evaluated and speech and motion information acquired from at least another person, among the speech and motion information of the plurality of persons, are associated with each other, and an output unit that outputs the evaluation information.
Inventor(s): Yasuji SAITO of Tokyo (JP) for nec corporation
IPC Code(s): G07C9/30, G06F3/14
Abstract: an information processing apparatus () includes: a connection information acquisition unit () that acquires connection information for communicating with a visited person terminal by processing an image captured by a camera included in a visitor terminal or communicating with a communication apparatus installed in a visited person house; and a visitor information transmission unit () that transmits visitor information being stored in advance to the visited person terminal by using the acquired connection information.
Inventor(s): Takumi Otani of Tokyo (JP) for nec corporation, Takeshi Sasamoto of Tokyo (JP) for nec corporation, Junichi Inoue of Tokyo (JP) for nec corporation, Atsushi lkawa of Tokyo (JP) for nec corporation
IPC Code(s): G07C9/37, G06V40/16
Abstract: provided is a server device with which it is possible to detect the occurrence of false authentication in biometric authentication. the server device is provided with an acquisition unit and an authentication unit. the acquisition unit acquires biometric information regarding an authenticate from a terminal. the authentication unit performs biometric authentication using the biometric information regarding the authenticate and biometric information regarding each of a plurality of users registered in advance. when a prescribed condition is satisfied, the authentication unit transmits, to a staff terminal used by staff, authentication result information including the biometric information acquired from the terminal and registered biometric information of a successful authenticate who succeeded in biometric authentication.
Inventor(s): Katsuhiko TAKAHASHI of Tokyo (JP) for nec corporation
IPC Code(s): G08G1/015, G08G1/04, A42B3/04, G06V20/59, G06V10/44, G06V40/10, G06V40/20, G06F18/22, G06F18/24, G06T7/20
Abstract: the present invention is directed to a helmet wearing determination system including a imaging means that is installed in a predetermined position and images a two-wheel vehicle that travels on a road; and a helmet wearing determination means that processes an image imaged by the imaging means, estimates a rider head region corresponding to a head of a person who rides on the two-wheel vehicle that travels on the road, compares image characteristics of the rider head region with image characteristics according to the head at a time when a helmet is worn or/and at a time when a helmet is not worn, and determines whether or not the rider wears the helmet.
Inventor(s): Shinsuke FUJISAWA of Tokyo (JP) for nec corporation, Naoto ISHII of Tokyo (JP) for nec corporation, Ankith VINAYACHANDRAN of Tokyo (JP) for nec corporation, Emmanuel LE TAILLANDIER DE GABORY of Tokyo (JP) for nec corporation, Fatih YAMAN of Princeton NJ (US) for nec corporation, Hussam G. BATSHON of Princeton NJ (US) for nec corporation
IPC Code(s): H04B10/2507
Abstract: an optical communication system includes a first terminal device configured to receive first data, wherein the first terminal device is configured to generate an optical waveform based on the received first data. the optical system further includes an optical communication path configured to receive the optical waveform from the first terminal device. the optical system further includes a second terminal device configured to receive the optical waveform from the optical communication path, wherein the second terminal device is configured to output second data based on the optical waveform. at least one of the first terminal device or the second terminal device includes a nonlinear waveform distortion compensation device. the nonlinear waveform compensation device is configured to correct nonlinear waveform distortion resulting from the optical waveform propagating along the optical communication path, and the nonlinear waveform compensation device includes at least one recursive intermediate layer.
Inventor(s): Yukai GAO of Beijing (CN) for nec corporation, Gang WANG of Beijing (CN) for nec corporation
IPC Code(s): H04L1/1607, H04L5/00, H04W56/00
Abstract: embodiments of the present disclosure relate to methods, devices and computer storage media for communication. a method comprises transmitting, from a first device to a second device, a plurality of repetitions for a physical channel for scheduling a communication between the first device and the second device, wherein the plurality of pdcch repetitions indicate same offset information for the communication; determining, based on the same offset information and index information about a repetition of the plurality of repetitions, a time offset between the repetition and the communication; and performing, based on the time offset, the communication with the second device. embodiments of the present disclosure enable both the network device and the terminal device to obtain, from the physical channel repetitions, the real time offset for a corresponding communication and improve reliability and robustness for the physical channel.
Inventor(s): Kazuhiro Ootaki of Tokyo (JP) for nec corporation
IPC Code(s): H04L41/0803, H04L41/085
Abstract: a communication device includes a control circuit and a main circuit. the control circuit is provided with a first storage circuit which can store, as first setting information, setting information that is information to be used when the communication device is activated. the main circuit is provided with a second storage circuit which can store setting information as second setting information. when valid first setting information can be acquired from the first storage circuit, the first setting information is selected as activation information to be used for activating the communication device, and the communication device is activated using the activation information. when valid first setting information cannot be acquired from the first storage circuit, the second setting information stored in the second storage circuit is selected as the activation information, and the communication device is activated using the activation information.
Inventor(s): Kentaro SONODA of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/40
Abstract: in order to appropriately ensure authenticity of a security inspection execution terminal and provide an environment for executing security inspection, even when address information of the security inspection execution terminal is changed, an address management apparatus includes: an obtaining unit configured to obtain address information related to one or more security inspection execution terminals accessing a security inspection target system for security inspection; and a disclosure processing unit configured to disclose, in response to a request from a network node managing the security inspection target system, to the network node, address information related to the one or more security inspection execution terminals.
Inventor(s): Yasuhiro MIZUKOSHI of Tokyo (JP) for nec corporation
IPC Code(s): H04N7/18, H04L9/40
Abstract: according to an example embodiment, a communication control device () includes an acquisition unit () configured to acquire first video quality information (i) of first video data transmitted from a first imaging device (_) to the display device (_) and second video quality information (i) of second video data transmitted from a second imaging device (_) to the display device (_); a band estimation unit () configured to estimate an available communication band of the second video data from the second video quality information (); a band prediction unit () configured to predict an available communication band of the first video data based on a reception time difference between the first and second video quality information (i and i) and predict a common available communication band based on the prediction result thereof and the estimation result by the band estimation unit (); and a determination unit () configured to determine transmission conditions of the respective items of first and second video data based on the available communication band common to the first and second imaging devices (_ and _).
20240031925.METHOD OF AMF, METHOD OF UE, AMF, AND UE_simplified_abstract_(nec corporation)
Inventor(s): Kundan TIWARI of Tokyo (JP) for nec corporation, Toshiyuki Tamura of Tokyo (JP) for nec corporation
IPC Code(s): H04W48/18, H04W48/16, H04W60/00
Abstract: a method performed by access and mobility management function, amf () for handling of network slice specific authentication and authorization procedure, is disclosed. in an embodiment, a network shall restart a generic ue configuration update procedure when the network encounters radio link failure before completion of the ongoing generic ue configuration update procedure. in another embodiment, the network sends configuration update command message containing the allowed nssai when a n1 nas signaling connection is established after the radio link failure.
Inventor(s): Daichi Ishikura of Tokyo (JP) for nec corporation
IPC Code(s): H04W56/00
Abstract: time synchronization is precisely carried out based on pieces of time information in at least two time synchronization schemes. a time synchronization apparatus () includes: an acquisition section () that acquires pieces of time information of at least two time synchronization schemes among a plurality of time synchronization schemes; an extraction section () that extracts reliability of each of the pieces of time information; and a time synchronization section () that carries out time synchronization by deciding synchronization time information based on the reliability of each of the pieces of time information.
Inventor(s): Yuhua CHEN of Tokyo (JP) for nec corporation, Chadi KHIRALLAH of Tokyo (JP) for nec corporation, Neeraj GUPTA of Tokyo (JP) for nec corporation
IPC Code(s): H04W68/00, H04W4/029, H04W76/27, H04W8/08, H04W48/16, H04W60/00
Abstract: a communication system is disclosed in which a base station receives, from at least one further base station, information identifying at least one respective tracking area associated with at least one cell of each further base station. the base station also receives, from a core network, information identifying a registration area for a user equipment (ue). the base station defines, based on the received information identifying at least one respective tracking area and the received information identifying a registration area, a radio access network (ran) based notification area for the ue.
Inventor(s): Satoshi Ohara of Tokyo (JP) for nec corporation, Yoshio Ueda of Tokyo (JP) for nec corporation
IPC Code(s): H04W76/30
Abstract: provided is a technique that enables more efficient utilization of a communication resource at the occurrence of disconnection of an interface between a base station and a core network or an interface within the core network. a process of receiving an rrc release that is an rrc message transmitted from a base station and a process of transmitting, to the base station, an rrc release complete as a response to the rrc release are carried out. the rrc release complete includes, as an nas message, a pdu session release complete that is a response to a pdu session release command which is included, as an nas message, in the rrc release.
- NEC Corporation
- A61B5/11
- A61B5/00
- Nec corporation
- B25J9/16
- E01C23/01
- G01S13/90
- G01C21/34
- G01C21/36
- G02B17/08
- H04B10/40
- G05B13/02
- E02F9/20
- G05B23/02
- G06F3/04886
- G06F3/01
- H04M1/23
- G06F3/0488
- G06F3/041
- G06F21/32
- G06F21/60
- G06Q50/10
- G07B11/00
- G06V40/16
- G06F30/20
- G06F40/30
- G06F40/289
- G06N5/02
- G06N5/022
- G06N20/00
- G06Q10/0631
- G06Q30/0202
- G06Q50/12
- G06Q10/0639
- G06Q10/087
- G06Q10/30
- G06F3/147
- G06V20/52
- G06Q30/0242
- G06T7/70
- G06Q30/0272
- G06Q30/0251
- H04W4/029
- G06T7/20
- G06T7/73
- G06T7/246
- G06V40/10
- G06V10/20
- G06V40/20
- G06T19/20
- G06V10/44
- G06V20/56
- G06V20/40
- G06V20/59
- G06T7/215
- G06V10/75
- G06V10/74
- G06V40/50
- G07C9/30
- G06F3/14
- G07C9/37
- G08G1/015
- G08G1/04
- A42B3/04
- G06F18/22
- G06F18/24
- H04B10/2507
- H04L1/1607
- H04L5/00
- H04W56/00
- H04L41/0803
- H04L41/085
- H04L9/40
- H04N7/18
- H04W48/18
- H04W48/16
- H04W60/00
- H04W68/00
- H04W76/27
- H04W8/08
- H04W76/30
