NEC Corporation patent applications on February 15th, 2024
Patent Applications by NEC Corporation on February 15th, 2024
NEC Corporation: 68 patent applications
NEC Corporation has applied for patents in the areas of G06V40/16 (12), G06F21/32 (10), G06Q10/02 (8), G06V40/10 (8), G06V40/172 (7)
With keywords such as: unit, information, image, target, data, device, communication, apparatus, configured, and point in patent application abstracts.
Patent Applications by NEC Corporation
Inventor(s): Chenhui HUANG of Tokyo (JP) for nec corporation, Kenichiro FUKUSHI of Tokyo (JP) for nec corporation, Zhenwei WANG of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/11, A61B5/103, A61B5/00
Abstract: a gait measurement system including: a data acquisition device that measures physical quantities related to pressures of left and right feet; and a calculation device that calculates a symmetry of walking using the physical quantities related to the pressures of the left and right feet.
Inventor(s): Kenichiro FUKUSHI of Tokyo (JP) for nec corporation, Chenhui Huang of Tokyo (JP) for nec corporation, Zhenwei Wang of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/11, A61B5/00
Abstract: in order to easily measure the foot angle of a pedestrian with high accuracy, the present invention provides a foot angle calculation device comprising: a posture angle calculation unit that uses an angular velocity vector of a foot to calculate the posture angle thereof; and a foot angle calculation unit that uses a foot velocity vector and the posture angle to calculate a foot angle, which is the angle formed by the velocity vector and the center line of the foot.
Inventor(s): Toshiyuki TAMURA of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/16, A61B5/00
Abstract: a state management device acquires biometric information pertaining to a living body of a measurement subject from a wearable terminal worn by the measurement subject. the state management device specifies stability promoting information for promoting stability of a state of the measurement subject, based on the biometric information and a characteristic of the measurement subject. the state management device outputs the stability promoting information.
Inventor(s): Keiju NAKAMURA of Tokyo (JP) for nec corporation, Hiroaki KISO of Tokyo (JP) for nec corporation
IPC Code(s): A61B5/16, G06V40/16, A61B5/00, G16H20/10
Abstract: a communication apparatus includes a processing unit, a judgement unit, and a communication unit. the processing unit generates state information indicating a state of a target person by processing an image in which the target person is captured. the judgement unit performs, by using the state information, at least one of processing of determining first information needed to be transmitted to a first terminal and processing of deciding whether to transmit the first information to the first terminal. the first terminal is associated with the target person, and is operated by a different person from the target person. the communication unit transmits the first information to the first terminal. the communication apparatus can also support decision-making on how to respond to the target person.
Inventor(s): Masaya Tokunaga of Tokyo (JP) for nec corporation, Chisato Sugawara of Tokyo (JP) for nec corporation, Nana Jumonji of Tokyo (JP) for nec corporation, Yosuke Kimura of Tokyo (JP) for nec corporation, Toru Takami of Tokyo (JP) for nec corporation
IPC Code(s): B60W40/09, B60W50/00, G06V40/16, G06V20/59, G06Q10/02
Abstract: a driver collation system including: a memory; and at least one processor coupled to the memory. the processor performs operations. the operations include: acquiring driving characteristics related to driving by a driver of a vehicle; and extracting a driver candidate from past drivers by collating the acquired driving characteristics with the driving characteristics of the past drivers.
Inventor(s): Hiroshi YOSHIDA of Tokyo (JP) for nec corporation, Tatsuya YOSHIMOTO of Tokyo (JP) for nec corporation
IPC Code(s): E02F9/26, E02F9/20
Abstract: in a related technique, a target point sequence is generated without considering the content of a work of a construction machine, which causes a problem that an actual trajectory of the construction machine is significantly deviated from the target point sequence depending on the content of the work of the construction machine. a work control method according to the present invention includes: a target point setting step (s) of generating, based on work content information, a work target point sequence indicating a target trajectory on which target points a construction machine is to move to are plotted, and a construction machine control step (s) of controlling the construction machine in accordance with the work target point sequence.
Inventor(s): Toshiyuki Tamura of Tokyo (JP) for nec corporation
IPC Code(s): G01C21/34, G01C21/30
Abstract: a guidance device acquires sensing information pertaining to a surrounding environment of a user acquired from a wearable terminal worn on the user and generates guidance information pertaining to guidance for the user based on the sensing information and a type of disability of the user.
20240053657.GATE APPARATUS_simplified_abstract_(nec corporation)
Inventor(s): Fumi IRIE of Tokyo (JP) for nec corporation, Yoshitaka YOSHIMURA of Tokyo (JP) for nec corporation
IPC Code(s): G03B15/02, G06V40/12
Abstract: a gate apparatus includes a supporting portion, a first light, and a camera device. the support portion is an element that extends vertically upward from a main body of the gate apparatus. the first light is installed in a ceiling portion attached to the supporting portion. the camera device is a device that is attached to the supporting portion and that acquires biological information of a user. the camera device acquires biological information of the user when the first light is illuminating light.
20240053658.GATE APPARATUS_simplified_abstract_(nec corporation)
Inventor(s): Fumi IRIE of Tokyo (JP) for nec corporation, Yoshitaka YOSHIMURA of Tokyo (JP) for nec corporation
IPC Code(s): G03B15/02, G06V40/12
Abstract: a gate apparatus includes a supporting portion, a first light, and a camera device. the support portion is an element that extends vertically upward from a main body of the gate apparatus. the first light is installed in a ceiling portion attached to the supporting portion. the camera device is a device that is attached to the supporting portion and that acquires biological information of a user. the camera device acquires biological information of the user when the first light is illuminating light.
Inventor(s): Kento IWAKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G06F8/41, G06F9/30
Abstract: provided are a compiling device, a compiling method, and a compiling program with which the speed of a program can be increased when a loop in a program includes an access to adjacent data. the compiling device includes: a loop analysis unit for determining whether vectorization of a loop in a source program is possible when an access to adjacent data is included in the loop; and a vectorization execution unit for generating an instruction for reading elements required for computation from a memory to a vector register when access to the adjacent data is included and the vectorization of the loop is possible.
Inventor(s): Takuma Nozawa of Tokyo (JP) for nec corporation, Masafumi Oyamada of Tokyo (JP) for nec corporation, Yuyang Dong of Tokyo (JP) for nec corporation, Genki Kusano of Tokyo (JP) for nec corporation
IPC Code(s): G06F18/241
Abstract: it is possible to detect an insight between a plurality of data sets. an information processing apparatus () includes: a classification unit () that groups, by insight to be detected, a plurality of insight subjects each being data generated from each of a plurality of data sets by associating a plurality of data items contained in each of the plurality of data sets with each other; and an evaluation unit () that calculates, for a combination of the plurality of insight subjects which have been grouped, an evaluation value for determining the presence or absence of an insight.
Inventor(s): Ryoma OAMI of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, G06V40/18, G06V40/60
Abstract: an authentication system () comprises: an image acquiring means () for acquiring a plurality of images by capturing an eye of a target wearing colored contact lenses () from multiple angles; and an iris authentication means () for performing iris authentication for the target by using the plurality of images. according to such the authentication system, it is possible to appropriately perform iris authentication even if a target wears colored contact lenses.
Inventor(s): Keiju NAKAMURA of Tokyo (JP) for nec corporation, Hiroaki KISO of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, G06F21/62, G06Q30/0601
Abstract: a communication apparatus includes an authentication unit and a communication unit. the authentication unit authenticates a target person. the communication unit transmits and receives information to and from a first terminal associated with the target person when the authentication has succeeded. in other words, the communication apparatus performs bidirectional communication with the first terminal. the first terminal is operated by, for example, a different person from the target person. at least a part of information transmitted by the communication unit to the first terminal is related to the target person. further, at least a part of information received by the communication unit from the first terminal includes information from a person who operates the first terminal to the target person.
Inventor(s): Takao TAKENOUCHI of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, G07C9/25, G07C9/10, H04L9/08
Abstract: an authentication candidate extraction apparatus comprises a biometric information input part that receives biometric information of a to-be-authenticated subject, moving from a first spot to a second spot, acquired at the first spot; a feature information storage part that stores feature information used for authentication of the to-be-authenticated subject; a candidate selection part that selects a feature information candidate to be used for the authentication processing by means of a predetermined secure computation scheme using features extracted from the biometric information acquired at the first spot; and a feature information transmission part that transmits the extracted feature information candidate to an authentication apparatus that performs authentication processing using biometric information of the to-be-authenticated subject acquired at the second spot.
Inventor(s): Tomoki Inoue of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/32, H04L9/32, H04L9/40
Abstract: in order to improve the safety and reliability of services provided by a computer, this authentication device is equipped with a transmission unit and a determination unit. the transmission unit transmits a challenge to a terminal device where the challenge is presented to a user to be authenticated, said challenge being information serving as the basis on which the user inputs information to be used for authentication processing. at this time, the transmission unit transmits a plurality of different challenges to the terminal device. the determination unit determines not only whether or not a response input to the terminal device by the user in response to each challenge is correct, but also whether or not time information regarding the challenge and the response thereto satisfies a condition regarding the response.
Inventor(s): Yusuke TAKAHASHI of Tokyo (JP) for nec corporation, Shingo YASUDA of Tokyo (JP) for nec corporation
IPC Code(s): G06F21/55
Abstract: an attack information generation apparatus () determines, for each of a plurality of executions of a target attack, the number of occurrences of one or more events by using a log () in its execution period. the attack information generation apparatus () determines, for each of the events, whether or not the number of occurrences of that event determined for each of the plurality of executions of the target attack satisfies a predetermined condition. the attack information generation apparatus () generates attack information () associating the target attack with the event whose number of occurrences is determined to satisfy the predetermined condition.
Inventor(s): Tsenjung Tai of Tokyo (JP) for nec corporation, Masato Toda of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/09
Abstract: to provide an efficient and stable training process even in a case where a small amount of target domain labeled data is available.
Inventor(s): Tsenjung Tai of Tokyo (JP) for nec corporation, Masato Toda of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/09
Abstract: solution to problem
Inventor(s): Tsenjung Tai of Tokyo (JP) for nec corporation, Masato Toda of Tokyo (JP) for nec corporation
IPC Code(s): G06N3/09
Abstract: a training apparatus () comprises: feature extraction means () for extracting source domain feature values from source domain data and for extracting target domain feature values from target domain data; prediction means () for predicting source domain class prediction values from the source domain feature values and for predicting target domain class prediction values from the target domain feature values; filtering means () for computing filtered source domain feature values and filtered target domain feature values by filtering out one or more values from the source domain feature values with reference to the source domain class prediction values and by filtering out one or more values from the target domain feature values with reference to the target domain class prediction values; and updating means () for updating at least one of the feature extraction means and the class prediction means.
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, Yuji 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): 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): Akinori Ebihara of Tokyo (JP) for nec corporation, Taiki Miyagawa of Tokyo (JP) for nec corporation
IPC Code(s): G06N20/00
Abstract: an information processing system includes: an acquisition unit that obtains a plurality of elements included in series data; a calculation unit that calculates a likelihood ratio indicating a likelihood of a class to which the series data belong, on the basis of at least two consecutive elements of the plurality of elements; a classification unit that classifies the series data into at least one class of a plurality of classes that are classification candidates, on the basis of the likelihood ratio; and a learning unit that performs learning related to calculation of the likelihood ratio, by using a loss function in which the likelihood ratio increases when a correct answer class to which the series data belong is in a numerator of the likelihood ratio and the likelihood ratio decreases when the correct answer class is in a denominator of the likelihood ratio.
Inventor(s): Tomohiro YAMAGUCHI of Tokyo (JP) for nec corporation, Takafumi Tsukuhara of Tokyo (JP) for nec corporation
IPC Code(s): G06Q50/28, G06V40/16, G06Q10/02
Abstract: a baggage delivery system includes: an acquisition unit that obtains an accommodation information about accommodations of a customer on the basis of a customer information, which is information about the customer who uses a facility; a delivery unit that performs a procedure for delivering baggage of the customer from the facility to the accommodations on the basis of the accommodation information; and a giving unit that gives a completion information indicating that delivery of the baggage is completed, to the accommodation information, when the delivery of the baggage to the accommodations is completed.
Inventor(s): Tomohiro YAMAGUCHI of Tokyo (JP) for nec corporation, Takafumi TSUKAHARA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q50/28, G06V40/16, G06Q10/02
Abstract: a baggage delivery system includes: an acquisition unit that obtains an accommodation information about accommodations of a customer on the basis of a customer information, which is information about the customer who uses a facility; a delivery unit that performs a procedure for delivering baggage of the customer from the facility to the accommodations on the basis of the accommodation information; and a giving unit that gives a completion information indicating that delivery of the baggage is completed, to the accommodation information, when the delivery of the baggage to the accommodations is completed.
Inventor(s): Akio TODA of Tokyo (JP) for nec corporation, Hiroshi CHISHIMA of Tokyo (JP) for nec corporation, Kenji TSUKIYAMA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q10/0835, G06Q10/047, G06Q50/28
Abstract: there is provided an optimization apparatus that reduces the time required to create a delivery plan. an optimization apparatus () includes an acquisition unit () that acquires delivery information regarding each of one or more products for each of a plurality of consumption locations, an identification unit () that identifies a plurality of delivery task candidates departing from a delivery source, delivering the one or more products to each of one or more consumption locations, and returning to the delivery source, a determination unit () that determines, based on the delivery information, at least one of evaluation values and a vehicle type of a delivery vehicle for each candidate, and a selection unit () that selects a plurality of delivery tasks from the plurality of identified candidates based on a result of optimizing an objective function based on a determination result.
Inventor(s): Rumi IKEZAWA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q20/20, G06Q20/32, G06Q30/0601
Abstract: an acquisition unit acquires product information about a product that is purchased by a customer in accordance with the customer's or a store clerk's operation. an output unit outputs settlement information based on the product information such that the settlement information can be read by the customer's mobile terminal device. the customer's mobile terminal device then reads the settlement information from a store mobile terminal device, and uses the customer's payment information and the read settlement information to make an electronic payment via a payment server.
Inventor(s): Hiroki SUGEGAYA of Tokyo (JP) for nec corporation, Shunsuke TSUDA of Tokyo (JP) for nec corporation, Ning LI of Tokyo (JP) for nec corporation, Yuki TSURUOKA of Tokyo (JP) for nec corporation, Shuta OKADA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q20/20, G06T7/20, G06V40/20
Abstract: a detection system according to an aspect of the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: acquire a number of one or more products to be registered based on an image in which a customer reads one or more product symbols with a scanner; acquire a number of one or more products registered by the customer; detect discrepancy between the number of the one or more products to be registered and the number of the one or more registered products; and output a detection result.
Inventor(s): Rumi IKEZAWA of Tokyo (JP) for nec corporation, Manabu HIKIN of Tokyo (JP) for nec corporation
IPC Code(s): G06Q20/32, G06Q30/0601, G06Q20/40, G06Q20/34
Abstract: a server apparatus receives item identification information scanned from a code attached to an item from a mobile terminal, and creates a list of items to be purchased. at a time of a checkout, the server apparatus determines whether or not an item requiring an age confirmation is included in the list of items to be purchased, and transmits an age confirmation screen to the mobile terminal when the item requiring the age confirmation is included. the server apparatus performs the age confirmation based on age confirmation information received from the mobile terminal. when the age is successfully confirmed, a credit payment using the mobile terminal becomes possible.
Inventor(s): Daishi YOSHIDA of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0283
Abstract: a price management system according to an aspect of the present disclosure includes: at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: extract a phrase related to evaluation of a price of a product or a service that is an evaluation target from a voice of a customer collected in a store; and send a notification of detection of price evaluation when the phrase is extracted.
Inventor(s): Rina Tomita of Tokyo (JP) for nec corporation, Yuji Tahara of Tokyo (JP) for nec corporation
IPC Code(s): G06Q30/0601
Abstract: the sales data acquisition unit () acquires sales data and discard data. the sales data indicate at least one of a number of sales and a number of preparations of a product in a first shop for each unit period. the discard data indicate a number of discards of the product for the each unit period. the customer data acquisition unit () acquires customer data. the customer data indicate at least one of a number of customers in the first shop and a traffic amount of a first area for the each unit period. the first area is an area including the first shop. the relevance data generation unit () generates relevance data indicating relevance among the sales data, the discard data, and the customer data, and displays the relevance data on a display ().
Inventor(s): Akira Matsuda of Tokyo (JP) for nec corporation, Yusuke Miyamoto of Tokyo (JP) for nec corporation, Takashi Ueno of Tokyo (JP) for nec corporation, Saki Ito of Tokyo (JP) for nec corporation
IPC Code(s): G06Q50/14, G06Q10/02, G06Q30/018, G07C9/00, G07C9/29, G06Q10/10, G06V40/16
Abstract: an accommodation management system includes: a first acquisition unit that obtains a face image of a visiting user who uses a check-in terminal installed at a visible position from a reception counter of an accommodation facility; an execution unit that identifies the visiting user on the basis of the face image of the visiting user and performs a check-in process of the visiting user; a second acquisition unit that obtains a face image of a specific user who uses services; and a permission unit that permits a use of the services when the check-in process is completed for the specific user who is identified on the basis of the face image of the specific user.
Inventor(s): Akira Matsuda of Tokyo (JP) for nec corporation, Yusuke Miyamoto of Tokyo (JP) for nec corporation, Takashi Ueno of Tokyo (JP) for nec corporation, Saki Ito of Tokyo (JP) for nec corporation
IPC Code(s): G06Q50/14, G06Q10/02, G06Q30/018, G07C9/00, G07C9/29, G06Q10/10, G06V40/16
Abstract: an accommodation management system includes: a first acquisition unit that obtains a face image of a visiting user who uses a check-in terminal installed at a visible position from a reception counter of an accommodation facility; an execution unit that identifies the visiting user on the basis of the face image of the visiting user and performs a check-in process of the visiting user; a second acquisition unit that obtains a face image of a specific user who uses services; and a permission unit that permits a use of the services when the check-in process is completed for the specific user who is identified on the basis of the face image of the specific user.
Inventor(s): Yoshimasa ONO of Tokyo (JP) for nec corporation, Akira TSUJI of Tokyo (JP) for nec corporation
IPC Code(s): G06T7/00, G06T7/73
Abstract: provided is a processing device capable of accurately identifying an abnormal part. a processing device () according to the present disclosure includes a first difference calculation unit () that calculates a difference between a plurality of reference point groups, a dynamic point group extraction unit () that extracts a dynamic point group being a point group involving a change from the reference point groups on the basis of a calculation result in the first difference calculation unit (), a second difference calculation unit () that calculates a difference between an inspection point group acquired after the reference point group and the reference point group and generates a differential point group, a point group removal unit () that removes a point group corresponding to the dynamic point group from the differential point group generated in the second difference calculation unit (), and an abnormal part identification unit () that identifies an abnormal part of the object to be measured on the basis of a differential point group from which the point group corresponding to the dynamic point group is removed.
Inventor(s): Kotaro Murayama of Tokyo (JP) for nec corporation, Yasuhiro Mizukoshi of Tokyo (JP) for nec corporation, Ryo Kawai of Tokyo (JP) for nec corporation
IPC Code(s): G06T7/73, G06V40/10, G06V20/59, B60Q9/00
Abstract: a skeleton information acquisition means analyzes an in-vehicle video acquired from a camera that captures an image of a vehicle interior of a moving object, and acquires skeleton information of each of one or more passengers boarding on the moving object. a holding determination means determines whether the passenger is holding a pole, based on skeleton information of the passenger and a position of the pole in the moving object. an alert output means outputs an alert when it is determined that the passenger is not holding the pole.
Inventor(s): Takahiro TOIZUMI of Tokyo (JP) for nec corporation, Koichi Takahashi of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/46, G06V40/18, G06T3/00
Abstract: an information processing apparatus () includes: a reducing unit () that generates a second image (img) by reducing a first image (mgi) in which a target object is included; a first extracting unit () that extracts, as a first key point, a key point (kp) of the target object from the second image; a setting unit () that sets a target area (ta) that designates a part of the first image based on the first key point; and a second extracting unit () that extracts, as a second key point, a key point of the target object from a target image (img ta) of the first image that is included in the target area.
Inventor(s): Takahiro TOIZUMI of Tokyo (JP) for nec corporation, Koichi Takahashi of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/46, G06V40/18, G06T3/00
Abstract: an information processing apparatus () includes: a reducing unit () that generates a second image (img) by reducing a first image (mg) in which a target object is included; a first extracting unit () that extracts, as a first key point, a key point (kp) of the target object from the second image; a setting unit () that sets a target area (ta) that designates a part of the first image based on the first key point; and a second extracting unit () that extracts, as a second key point, a key point of the target object from a target image (img_ta) of the first image that is included in the target area.
Inventor(s): Yasufumi Hirakawa of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/74, G06T7/20, G06T7/70, G06T7/62
Abstract: an information processing apparatus includes at least one memory storing instructions, and at least one processor. the at least one processor is configured to execute the instructions to acquire image data of a predetermined space captured by a camera, generate measurement data including a person-to-person distance between persons included in the image data, set space data about a size of the space, determine whether a state of density of the persons in the space is appropriate or not, based on the measurement data and the space data, and output a determination result.
Inventor(s): Noriaki HAYASE of Tokyo (JP) for nec corporation, Tatsuya YANO of Tokyo (JP) for nec corporation, Tetsushi NONAKA of Tokyo (JP) for nec corporation, Hiroaki KUJIRAI of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/776, G06V10/75, G06V40/50, G06V10/94, G06V40/16, G06V10/62, G06V10/74
Abstract: provided is an information processing device including an acquisition unit configured to acquire a matching score group including a plurality of matching scores each indicating a matching degree between a first biological information and a second biological information acquired by matching the first biological information acquired from an image including at least a part of a matching target person and a plurality of the second biological information corresponding to a plurality of registrants, a determination unit configured to perform a determination based on a matching score in which a rank is a first rank and a matching score in which the rank is not a first rank in the matching score group and an output unit configured to output a management information based on a result of the determination.
Inventor(s): Akira HIROKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/776, G06V10/771, G06V40/12
Abstract: in a model generation apparatus, a training data selection means selects sets of training data from a plurality of fingerprint images. a learning means trains a model that corrects a fingerprint image, by using the sets of training data. an evaluation value calculation means calculates evaluation values of results acquired by inputting the plurality of fingerprint images into the trained model. a model update means updates a model to be trained, based on the evaluation values. next, the training data selection means determines sets of training data to be selected from the plurality of fingerprint images based on the evaluation values.
Inventor(s): Ryuichi AKASHI of Tokyo (JP) for nec corporation, Takahiro Toizumi of Tokyo (JP) for nec corporation
IPC Code(s): G06V10/776, G06V10/77, G06V40/18, G06V10/774
Abstract: an information processing apparatus () includes: an extracting unit () that extracts a key point (kp) of a target object as a target key point (kp) from an input image (imgt); and a calculating unit () that calculates, as a score (sc) of the input image from which the target key point is extracted, an index value related to a reliability of the target key point based on the target key point.
Inventor(s): Junko Nakagawa of Tokyo (JP) for nec corporation, Ryoma Oami of Tokyo (JP) for nec corporation, Kenichiro Ida of Tokyo (JP) for nec corporation, Mika Saito of Tokyo (JP) for nec corporation, Shohzoh Nagahama of Tokyo (JP) for nec corporation, Akinari Furukawa of Tokyo (JP) for nec corporation, Yasumasa Ohtsuka of Tokyo (JP) for nec corporation, Junichi Fukuda of Tokyo (JP) for nec corporation, Fumi Ikeda of Tokyo (JP) for nec corporation, Manabu Moriyama of Tokyo (JP) for nec corporation, Fumie Einaga of Tokyo (JP) for nec corporation, Tatsunori Yamagami of Tokyo (JP) for nec corporation, Keisuke Hirayama of Tokyo (JP) for nec corporation, Yoshitsugu Kumano of Tokyo (JP) for nec corporation, Hiroki Adachi of Tokyo (JP) for nec corporation
IPC Code(s): G06V20/52, G06V20/40, G06V40/10
Abstract: an information processing apparatus () includes a time and space information acquisition unit () that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit () that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit () that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of the possible surveillance target.
Inventor(s): Junko Nakagawa of Tokyo (JP) for nec corporation, Ryoma Oami of Tokyo (JP) for nec corporation, Kenichiro Ida of Tokyo (JP) for nec corporation, Mika Saito of Tokyo (JP) for nec corporation, Shohzoh Nagahama of Tokyo (JP) for nec corporation, Akinari Furukawa of Tokyo (JP) for nec corporation, Yasumasa Ohtsuka of Tokyo (JP) for nec corporation, Junichi Fukuda of Tokyo (JP) for nec corporation, Fumi Ikeda of Tokyo (JP) for nec corporation, Manabu Moriyama of Tokyo (JP) for nec corporation, Fumie Einaga of Tokyo (JP) for nec corporation, Tatsunori Yamagami of Tokyo (JP) for nec corporation, Keisuke Hirayama of Tokyo (JP) for nec corporation, Yoshitsugu Kumano of Tokyo (JP) for nec corporation, Hiroki Adachi of Tokyo (JP) for nec corporation
IPC Code(s): G06V20/52, G06V20/40, G06V40/10
Abstract: an information processing apparatus () includes a time and space information acquisition unit () that acquires high-risk time and space information indicating a spatial region with an increased possibility of an accident occurring or of a crime being committed and a corresponding time slot, a possible surveillance target acquisition unit () that identifies a video to be analyzed from among a plurality of videos generated by capturing an image of each of a plurality of places, on the basis of the high-risk time and space information, and analyzes the identified video to acquire information of a possible surveillance target, and a target time and space identification unit () that identifies at least one of a spatial region where surveillance is to be conducted which is at least a portion of the spatial region or a time slot when surveillance is to be conducted, from among the spatial region and the time slot indicated by the high-risk time and space information, on the basis of the information of the possible surveillance target.
Inventor(s): Yasufumi HIRAKAWA of Tokyo (JP) for nec corporation, Natsuki YUI of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/10, G06V10/26, G06V10/82, G06T7/70
Abstract: an image processing apparatus includes at least one memory storing instructions, and at least one processor. the at least one processor is configured to execute the instructions to acquire image data of a predetermined space captured by a camera, set a mask region in the space, identify a person image being an image of a person included in the image data, estimate a body of the person, based on the person image, perform determination on whether the body of the person with respect to the person image is included in the mask region, perform processing of masking the person, based on a result of the determination by a determination means.
Inventor(s): Junichi KAMIMURA of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/10, G06T7/60, G06V10/74
Abstract: a portion rectangle estimation unit estimates a specific portion of a human body from an image, and outputs a first portion rectangle. a first human body rectangle estimation unit estimates the human body corresponding to the specific portion in the first portion rectangle based on coordinates of the first portion rectangle, and outputs a first human body rectangle. a second human body rectangle estimation unit estimates the human body from the image, and outputs a second human body rectangle. a second portion rectangle estimation unit estimates the specific portion corresponding to the human body in the second human body rectangle based on coordinates of the second human body rectangle, and outputs a second portion rectangle. a human body integration unit integrates duplicate human rectangles based on at least a relationship between the portion rectangles with respect to a plurality of pairs of mutually corresponding portion rectangles and human body rectangles.
Inventor(s): Keiju NAKAMURA of Tokyo (JP) for nec corporation, Hiroaki Kiso of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/16, G06V10/70
Abstract: an image acquisition apparatus includes an output control unit and an image acquisition unit. the output control unit causes an output unit to output a content. the image acquisition unit acquires an image generated by an image capture unit, the image includes a person and is an image for authentication. the image capture unit is located in a position where a face of the person can be captured when the person faces to the output unit. further, the output control unit continues to cause the output unit to output the content until a first condition being set in order to make the authentication succeed is satisfied.
Inventor(s): Masanori KOBAYASHI of Tokyo (JP) for nec corporation, Akihiko ICHIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/16, G06Q50/14
Abstract: an information generation device includes a detection information acquisition unit that acquires detection information in which biometric information detected at a tourism spot is associated with a place at which the biometric information is detected, a search unit that searches a first database in which identification information, in which personal information of a person is associated with the biometric information, is accumulated to identify the personal information of the person from which the detection information originates using the biometric information included in the detection information, and a behavior information generation unit that generates behavior information in which the personal information of the person from which the detection information originates is associated with the place at which the biometric information of the person from which the detection information originates is detected, and records the generated behavior information in a second database.
Inventor(s): Ryoutarou Saka of Tokyo (JP) for nec corporation, Natsuki Yui of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/20, G06V20/52, G08B21/04
Abstract: an information processing apparatus () includes: an acquisition unit () that acquires information detected based on an image captured by an imaging apparatus (); a determination unit () that performs a first determination process of determining to output a warning when a type of an object detected at time of start and end of a first period is a person, and a second determination process of determining to output a warning when behavior of the person detected based on the image continues for a second period or longer; and an output unit () that outputs the warning based on a result determined by the determination unit.
Inventor(s): Tatsuki AKUTSU of Tokyo (JP) for nec corporation, Akiko IDE of Tokyo (JP) for nec corporation
IPC Code(s): G06V40/60, G06V40/16, G06V40/50, G06V40/20, G06F21/32, G06F21/62, G06T7/20
Abstract: an authentication control device according to the present disclosure is provided with an image acquisition means for acquiring an image including an authentication object person walking in the monitoring area photographed by a camera for photographing the monitoring area, an authentication control means for causing an authentication device for performing face authentication to perform face authentication of the authentication object person included in the image acquired by the image acquisition means, a projection area specification means for specifying a projection area in which the result of the face authentication is projected, and a projection control means for causing the projection device to project the result of the face authentication on the projection area specified by the projection area specification means.
Inventor(s): Rumi IKEZAWA of Tokyo (JP) for nec corporation, Manabu HIKIN of Tokyo (JP) for nec corporation
IPC Code(s): G07G1/00, G06Q20/20
Abstract: a server apparatus creates a list of items to be purchased by receiving item identification information scanned from a code attached to each item, generates checkout information based on the list of items to be purchased, and transmits the list to a mobile terminal. a checkout machine acquires the checkout information from the mobile terminal, and displays an age confirmation screen when an item requiring an age confirmation is included in the list of items to be purchased. the checkout machine completes the age confirmation when acquiring age confirmation information.
Inventor(s): Kazuki OGATA of Tokyo (JP) for nec corporation, Tetsuro HASEGAWA of Tokyo (JP) for nec corporation, Hiroaki AMINAKA of Tokyo (JP) for nec corporation, Kosei KOBAYASHI of Tokyo (JP) for nec corporation, Kei YANAGISAWA of Tokyo (JP) for nec corporation
IPC Code(s): G08G1/01, G08G1/017
Abstract: an information provision system connected to a fixed point camera installed in an area to be serviced includes: using an image captured by the fixed-point camera(s), and identifying passenger vehicles passing on a road, distinguishing whether the passenger vehicle is empty or not using the image captured by the fixed-point camera(s), generating a map including a distribution of passenger vehicles in state by state within the service-target area using the results of the identification by the first and second identification part; and transmitting the map to a predetermined terminal.
20240055091.METHOD FOR CALCULATING A DEGREE OF FATIGUE_simplified_abstract_(nec corporation)
Inventor(s): Jingwen LU of Tokyo (JP) for nec corporation, Tasuku KITADE of Tokyo (JP) for nec corporation, Masanori TSUJIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): G16H20/00, G16H50/20
Abstract: an information processing device x mainly includes an overall fatigue acquisition means b, a physical fatigue acquisition means b, and a mental fatigue calculation means b. the overall fatigue acquisition means b is configured to acquire an overall fatigue degree ft which indicates a degree of overall fatigue of an object person. the physical fatigue acquisition means b is configured to acquire a physical fatigue degree fp which indicates a degree of physical fatigue of the object person. the mental fatigue calculation means b is configured to calculate a mental fatigue degree which indicate a degree of mental fatigue of the object person based on the overall fatigue degree ft and the physical fatigue degree fp.
Inventor(s): Ayaka AMAKAWA of Tokyo (JP) for nec corporation, Kenichi Kamijo of Tokyo (JP) for nec corporation, Yatin Joshi of Tokyo (JP) for nec corporation
IPC Code(s): G16H40/20, G16H30/40
Abstract: the present invention assists with genetic testing in which pathological image data is used. a classifying unit () uses pathological image data, which is the test subject of genetic testing, to classify the test object by tumor cell type. a selecting unit () selects, from among available pathologists who can be asked to assist, a pathologist candidate to be asked to assist with the genetic testing, on the basis of the tumor cell type. a presenting unit () displays the pathologist candidate.
20240055819.OPTICAL AMPLIFIER_simplified_abstract_(nec corporation)
Inventor(s): Takefumi Oguma of Tokyo (JP) for nec corporation
IPC Code(s): H01S3/067, H01S3/094, H01S3/0941, H01S3/00, G02F1/31, H01S3/13, H04B10/25
Abstract: an optical amplifier according to the present disclosure includes a first excitation light coupler, a first optical amplification medium, a first optical switch configured to output the optical communication signal output from the first optical amplification medium to either a first branch path hgp or a second branch path, and a second optical switch configured to transmit the optical communication signal transmitted through the branch path to downstream, and the first branch hgp path includes a second optical amplification medium, a second excitation light coupler configured to synthesize the optical communication signal and the excitation light directed towards the second optical amplification medium, and a first gain equalizer, and the second branch path includes a third excitation coupler configured to synthesize the optical communication signal and the excitation light directed towards the first optical switch, and a second gain equalizer.
20240055823.LIGHT SUPPLY APPARATUS_simplified_abstract_(nec corporation)
Inventor(s): Motoyoshi Kawai of Tokyo (JP) for nec corporation
IPC Code(s): H01S3/0941
Abstract: a light supply apparatus includes a second optical coupler, two first optical couplers, and excitation laser modules (light output units). each of the first optical couplers is configured to have four input ports and four output ports. the second optical coupler is configured to have two input ports and two output ports. one of the input ports of the one first optical coupler is connected to one of the output ports of the second optical coupler. one of the input ports of the other first optical coupler is connected to another one of the output ports of the second optical coupler.
Inventor(s): Eita Kobayashi of Tokyo (JP) for nec corporation
IPC Code(s): H03H17/02
Abstract: an fir filter includes: an address signal generation unit configured to generate an address signal of an address value in accordance with k bit values that correspond to k filter coefficients having a symmetric property; and an extraction unit configured to extract a computation result that corresponds to the address value indicated by the address signal from the table, in which, in the table, a plurality of computation results in which sets of computation results indicating the same values among 2 to the power of k patterns of computation results which are obtained by adding up k results of multiplication, the k results of multiplication being results obtained by multiplying each of k filter coefficients having a symmetric property by each of k bit values that correspond to k filter coefficients are commonly shared, and the plurality of address values are associated with each other.
Inventor(s): Takuji Mochizuki of Tokyo (JP) for nec corporation
IPC Code(s): H04B1/04
Abstract: a signal processing device according to an example embodiment includes: a distortion compensation circuit configured to output a signal subjected to distortion compensation processing; a plurality of amplifiers configured to amplify the plurality of input signals including the signal output from the distortion compensation circuit and output the amplified signals as output signals; a calculation circuit configured to calculate a comparison result for at least one of a phase, an amplitude, or an intensity between the input signal and the output signal corresponding to the input signal during a calibration operation of the signal processing device in which calibration signals are used as the plurality of input signals and are input to the plurality of amplifiers; and a controller configured to control whether or not the distortion compensation circuit executes the distortion compensation processing on the calibration signals based on the calculated comparison result.
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): H04B10/116, H04B10/50
Abstract: provided is a transmission device that includes a light source that includes emitters, a spatial light modulator that includes a modulation part in which modulation regions are set, a concentrator that converts modulated light modulated in the modulation regions into parallel light, a projector that is disposed at a subsequent stage of the concentrator and includes at least one reflector including a curved mirror having a reflection surface of a curved shape having a curvature according to a projection angle of projection light transmitted as a spatial light signal and a rotator rotatably supporting the curved mirror, and a controller that controls the rotator to adjust a reflection direction of the curved mirror for each of the reflectors, sets a phase image used for spatial light communication in the modulation regions, and controls the plurality of emitters such that each of the modulation regions is irradiated with light.
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): H04B10/516, H04B10/50
Abstract: a transmitter including a light source, a spatial optical modulator including a modulation part in which a phase image according to a spatial optical signal to be transmitted is set and irradiated with light emitted from the light source, an optical diffuser that diffuses modulated light modulated by the modulation part of the spatial optical modulator, and a ball lens that enlarges and projects the modulated light diffused by the optical diffuser.
Inventor(s): Manabu ARIKAWA of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/61
Abstract: in order to suppress wrong convergence of a filter coefficient without reducing data communication speed, this filter coefficient update amount output device is provided with: a first output unit which outputs a first coefficient update amount derived from a difference between a temporary determination result regarding a processed reception sample value that is the reception sample value on which filter processing by a digital filter has been performed and the processed reception sample value; a second output unit which outputs a second coefficient update amount derived from a gradient with respect to the filter coefficient such that the magnitude of a difference between statistical information on the processed reception sample value during some duration of time, and a set value regarding the statistical information is minimized; and a third output unit which outputs the coefficient update amount derived from the first coefficient update amount and the second coefficient update amount.
Inventor(s): Masaki SATO of Tokyo (JP) for nec corporation, Hidemi NOGUCHI of Tokyo (JP) for nec corporation, Junichi ABE of Tokyo (JP) for nec corporation
IPC Code(s): H04B10/61, H04B3/06
Abstract: an optical signal processing circuit () includes: an fde-mimo equalizer () configured to generate, based on continuous subcarrier signals including a target subcarrier signal in an optical multicarrier signal to be received, the continuous subcarrier signals that have been subjected to frequency-domain mimo equalization processing; and a tde-mimo equalizer () configured to generate, based on the continuous subcarrier signals that have been subjected to the frequency-domain mimo equalization processing, the target subcarrier signal that has been subjected to time-domain mimo equalization processing.
Inventor(s): Kazuhiro OOTAKI of Tokyo (JP) for nec corporation
IPC Code(s): H04J14/02, H04B10/27, H04B10/80
Abstract: an optical transmission device and an optical communication system being capable of coping with various installation forms of a transponder in a unit of optical fiber transmission path are provided. the optical transmission device is installed inside a station building. first and second interface units are connected to first and second fiber transmission paths accommodated in a submarine optical fiber cable. a first fiber transmission path mediates an optical signal to be transmitted between the first interface unit and a first transponder. a second fiber transmission path mediates an optical signal to be transmitted between the second interface unit and a second transponder.
Inventor(s): Lin LIANG of Beijing (CN) for nec corporation, Gang WANG of Beijing (US) for nec corporation
IPC Code(s): H04L1/08, H04W72/0446, H04W72/232, H04W72/1268
Abstract: embodiments of the present disclosure relate to methods, devices and computer readable media for pusch repetition. according to embodiments of the present disclosure, the terminal device determines a set of physical uplink shared channel, pusch, repetition occasion slots based on a first omission rule. then, the terminal device determines, from the set of pusch repetition occasion slots, pusch repetition actual slots based on a second omission rule. and then, the terminal device transmits data in the determined pusch repetition actual slots. in this way, an enhanced pusch enhancement solution is provided, thereby improving coverage of the network and increasing robustness of the uplink transmission.
Inventor(s): Kazumi MARUYAMA of Tokyo (JP) for nec corporation
IPC Code(s): H04L12/18
Abstract: in order to conduct a remote conversation without depending on each individual it skill of participants of the remote conversation, an information processing apparatus () includes: a decision means () that decides, based on terminal-specific information () of a participant terminal () which is used by a participant of a remote conversation, an item () to be decided for starting the remote conversation; and an instruction means () that instructs the participant terminal to execute a predetermined process for starting the remote conversation in accordance with the item which has been decided.
Inventor(s): Wataru JUSO of Tokyo (JP) for nec corporation, Hajime ZEMBUTSU of Tokyo (JP) for nec corporation
IPC Code(s): H04L41/0654, H04L43/0817, H04L43/065
Abstract: a management apparatus according to the present disclosure includes a vim (virtualized infrastructure manager) () configured to perform control of a nfvi (network function virtualization infrastructure), which provides virtual resources for a virtual network function (vnf) () executed as a network function implemented in software, an nfvo (nfv-orchestrator) () for realizing network services on the nfvi, a vnfm (vnf manager) () configured to perform management of the vnf (), a detecting unit () configured to detect data failure in the vnfm, and a constructing unit () configured to construct operation data for a new vnfm by collecting information from the nfvo (), the vim (), and the vnf () in the case where the data failure is detected by the detecting unit.
20240056464.ANALYSIS SYSTEM, METHOD, AND PROGRAM_simplified_abstract_(nec corporation)
Inventor(s): Hirofumi UEDA of Tokyo (JP) for nec corporation, Yoshinobu OHTA of Tokyo (JP) for nec corporation, Tomohiko YAGYU of Tokyo (JP) for nec corporation, Norio YAMAGAKI of Tokyo (JP) for nec corporation
IPC Code(s): H04L9/40
Abstract: provided is an analysis system that allows a security administrator to understand the impact of known vulnerabilities on the system to be diagnosed. the topology identification unit identifies network topology of devices included in a system to be diagnosed. the analysis unit generates an attack pattern that includes an attack condition, an attack result, an attack means that is vulnerability that is used by an attack, and a segment where the attack can occur in the system to be diagnosed. the display control unit displays segments included in attack patterns superimposed on the network topology, on a display device. at this time, the display control unit changes a display mode of the segment according to a type of the vulnerability that corresponds to the attack means included in the attack pattern including the segment.
Inventor(s): Rintaro KATO of Tokyo (JP) for nec corporation
IPC Code(s): H04W28/08, H04W72/54, H04W28/20
Abstract: in order for wireless communication to be successfully stabilized, a communication system () includes: an acquiring means () for acquiring a communication-time performance parameter and a non-communication-time performance parameter for each of a first wireless link and a second wireless link, the communication-time performance parameter representing a wireless link communication performance which is indicated in a case where a communication apparatus () is conducting wireless communication, the non-communication-time performance parameter representing a wireless link communication performance which is indicated in a case where the communication apparatus is not conducting wireless communication, the communication apparatus conducting wireless communication with use of at least one selected from the group consisting of the first wireless link and the second wireless link; a calculating means () for calculating a degree of interference in accordance with the communication-time performance parameter and the non-communication-time performance parameter of the second wireless link, the degree of interference representing a degree to which a second wireless channel configured for the second wireless link receives interference during wireless communication conducted with use of the first wireless link, from a first wireless channel configured for the first wireless link; a correcting means () for correcting the communication-time performance parameter in accordance with a bandwidth which is identified with use of the degree of interference and which is receiving interference; and a selecting means () for selecting a wireless link to be used for communication from among the first wireless link and the second wireless link, in accordance with the communication-time performance parameter corrected.
Inventor(s): Nobuhiko Itoh of Tokyo (JP) for nec corporation, Eiji Takahashi of Tokyo (JP) for nec corporation, Tansheng Li of Tokyo (JP) for nec corporation
IPC Code(s): H04W28/18, H04W72/121, H04B7/06
Abstract: a control apparatus () according to the present disclosure includes a selection unit () configured to select a plurality of radio terminals that perform wireless communication through one of a plurality of antennas included in a wireless network at a predetermined timing, a determination unit () configured to determine combinations of the plurality of antennas and the selected plurality of radio terminals, and an allocation unit () configured to allocate radio resources for performing wireless communication at the predetermined timing, to the plurality of radio terminals, and the selection unit () selects a plurality of radio terminals from all radio terminals so as to satisfy delay requirements determined for data to be transmitted or received by all the radio terminals capable of performing wireless communication through one of the plurality of antennas.
Inventor(s): Hisashi FUTAKI of Tokyo (JP) for nec corporation, Sadafuku HAYASHI of Tokyo (JP) for nec corporation
IPC Code(s): H04W28/20, H04W76/27, H04W76/10, H04W80/02, H04W72/23
Abstract: a radio access network (ran) node () is configured to send, to another ran node (), first control information regarding at least one of one or more bandwidth parts (bwps) configured in a system bandwidth. it is thus, for example, possible to contribute to inter-radio access network (ran) node (e.g., inter-gnb) signaling enhanced to handle bandwidth parts.
Inventor(s): Yuki HAYASHI of Tokyo (JP) for nec corporation, Jun SUZUKI of Tokyo (JP) for nec corporation
IPC Code(s): H04W28/22, H04W28/02
Abstract: an object of the present disclosure is to provide a transmitting-side relay apparatus, a system, a method, and a program, each adapted to reduce congestions in a network while appropriately using a communication resource for a network-based communication. a transmitting-side relay apparatus according to the present disclosure includes a request rate calculation unit configured to calculate, based on a transmission rate of an input packet, an encoding loss rate at the time of encoding the input packet to generate an encoded packet, and a packet loss rate of the encoded packet in a receiving-side relay apparatus, a request rate of the encoded packet; a permissible rate calculation unit configured to calculate, based on at least one of a delay time indicating a time period from the time of generation of the input packet to the time of reception of the encoded packet.
20240057101.COMMUNICATION SYSTEM_simplified_abstract_(nec corporation)
Inventor(s): Yassin Aden AWAD of Umbridge (GB) for nec corporation, Yasushi MARUTA of Tokyo (JP) for nec corporation, Toshifumi SATO of Tokyo (JP) for nec corporation
IPC Code(s): H04W72/23, H04W72/044, H04W72/0453, H04W72/20
Abstract: a communication system is presented in which a base station is provided for communicating with a plurality of mobile communication devices in a cellular communication system. the base station operates one of more communication cells and communicates subframes, with each of the plurality of communication devices within the cell(s), each comprising the communication resources of a control region for communicating a control channel and the communication resources of a data region for communicating a respective data channel. the base station communicates a control channel having a first dmrs sequence in a control region of some subframes and a control channel having a second dmrs sequence in a control region of other subframes. the second control channel may be transmitted in a radio beam focussed spatially in a direction of a communication device. the first control channel may be transmitted omnidirectionally throughout the cell(s).
- NEC Corporation
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