A wireless communication method includes phase shift amount determination processing for determining a phase shift amount for each subcarrier of transmission data, modulation processing for modulating the transmission data and further shifting a phase according to the phase shift amount for each subcarrier, and precoding processing for performing precoding on the transmission data after the modulation processing. The transmission data after the precoding processing is transmitted from the transmission device to the reception device. A plurality of types of phase shift patterns prepared in advance define different phase shift amounts. The phase shift amount determination processing includes: selecting, from among the plurality of types of phase shift patterns, one that minimizes a PAPR of the transmission data after the precoding processing or one that maximizes a data reception quality in the reception device; and determining the phase shift amount for each subcarrier according to the selected phase shift pattern.
Provided is an optical waveguide capable of suppressing optical loss in a groove portion into which a wavelength plate is inserted while eliminating polarization dependence. An optical waveguide according to the present disclosure is an embedded optical waveguide formed on a substrate, including a lower cladding; a core; an upper cladding; and a groove formed on one side of a side surface of the core with respect to a light propagation direction and extending in a direction parallel to the core, wherein a refractive index distribution in a plane perpendicular to the light propagation direction is a distribution in which a principal axis of a refractive index ellipse has a rotation amount with respect to a horizontal direction of the substrate.
A mutant creation apparatus according to an embodiment includes: a mutation induction unit that irradiates an organism, or a target for creating a mutant, with a radiation or electromagnetic energy for inducing a mutation in a nucleotide sequence that causes a trait variation in the organism or introduces a chemical substance into the organism for inducing the mutation; a selection unit that selects a mutant having a desired trait from mutants of the organism obtained by the mutation induction unit; a nucleotide sequence analysis unit that analyzes a nucleotide sequence of the selected mutant; an identification unit that identifies a nucleotide sequence that provides the desired trait of the mutant in the analyzed nucleotide sequence; and a condition analysis unit that analyzes a condition under which a desired mutant of the organism is created by the mutation induction unit based on a result of identification.
This item analysis device comprises: an input unit that receives an action sequence composed of records including at least three elements, namely, a user attribute, a time, and an action label representing an action content; an action model unit that receives at least one action sequence as an input, converts said at least one action sequence into a sequence of vectors of an embedding representation in consideration of a time order by using a prescribed function, and outputs a score for each action label in consideration of a pattern of the sequence of the vectors; and a training unit that uses the action sequence converted into the vectors as training data to estimate a parameter of the action model unit by self-supervised training using the difference between each action label score and correct answer data as an error function, and outputs an estimated model parameter.
An adaptor according to the present invention comprises: first and second electrode parts that come into contact with a living body; first and second connector parts for attaching a terminal for transmitting a measured biological signal; a flexible base material having elasticity, on which the first and second connector parts are disposed; an adhesive base material for putting the first and second electrode parts into close contact with the living body; and a reinforcing base material disposed between the flexible base material and the adhesive base material. The reinforcing base material is disposed in a first region in which the first connector part is disposed and that has a predetermined width in the direction in which the first and second connector parts are arranged, and in a second region in which the second connector part is disposed and that has a predetermined width in the direction in which the first and second connector parts are arranged. In a region between the first region and the second region, the reinforcing base material is not disposed, or the reinforcing base material has a porous structure.
A communication device having directivity, the communication device comprising: a reception unit that receives radio waves from a base station, and stores an incoming wave direction and position information of the communication device in a database; and a processing unit that predicts the incoming wave direction from a handover destination base station for the communication device on the basis of past information acquired from the database, and controls the directivity of the communication device on the basis of a prediction result.
H04B 7/08 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
Provided is a quantum key distribution device for performing secure key extraction in quantum key distribution using a time bin and a delay interferometer. Specifically, the present invention provides a quantum key distribution device that uses time and a phase difference as quantum information, and transmits the quantum information from a transmitting unit to a first receiving unit, the quantum key distribution device comprising the transmitting unit, which includes a light source, and the first receiving unit, wherein: the first receiving unit comprises an optical element that branches an optical pulse of a time bin from the transmitting unit, a delay interferometer that interferes with the optical pulse of the time bin, a plurality of photon detectors that detect the optical pulse, and a plurality of photon time measuring instruments that are respectively connected to the plurality of photon detectors and are configured to measure the detection time of the optical pulse of the time bin; and the quantum key distribution device decodes the quantum information using the detection time of the optical pulse of the time bin detected by the first receiving unit and the optical pulse output from the delay interferometer.
A transmission system 100 and a transmission method by the transmission system 100 according to the present disclosure simultaneously transmit pixel data corresponding to each of a plurality of pixels of an imaging unit 31 in parallel to a network 900, receive the pixel data from the network 900, and generate image data composed of at least some of the plurality of pixels from the received pixel data.
H04N 21/238 - Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidthProcessing of multiplex streams
H04L 13/00 - Details of the apparatus or circuits covered by groups or
In a transmission system 100 and a transmission method used by the transmission system 100 according to the present disclosure, a camera control signal for controlling an imaging unit 31 is transmitted to a network 900, the imaging unit 31 images an imaging subject according to the camera control signal received from the network 900, and pixel data corresponding to each among a plurality of pixels of the imaging unit 31 is transmitted to the network 900.
A relay system 2 comprises: a conversion unit 122 that deletes the data of an item specified in advance from packet data PD received from a transmission terminal ET and converts the packet data PD into converted packet data PDE; a determination unit 222 that uses the characteristics of the converted packet data PDE as a basis to determine a path for transmitting the packet data PD from among a plurality of paths for transmitting the packet data PD to a reception terminal ER; and a transmission/reception unit 121 that receives the packet data PD from the transmission terminal ET and transmits the received packet data PD to the determined path.
An optical transmission design device (100) disclosed herein comprises: a noise characteristic information acquisition unit (110) that acquires noise characteristic information of an optical transmission device; an OSNR deterioration amount calculation unit (120) that uses the noise characteristic information, acquired by the noise characteristic information acquisition unit (110), to calculate the amount of optical signal-to-noise ratio deterioration that occurs when an optical signal passes through the optical transmission device; a nonlinear waveform distortion calculation unit (130) that calculates the nonlinear waveform distortion of an optical transmission path; and a transmission reachability evaluation unit (140) that compares a value obtained by subtracting the nonlinear waveform distortion from the amount of optical signal-to-noise ratio deterioration calculated by the OSNR deterioration amount calculation unit (120) with the performance of a single optical transmission/reception device (30) to evaluate the transmission reachability of a wavelength multiplex transmission system (1000).
A calculation unit (12) calculates the total delay amount of each of a plurality of optical paths on the basis of an optical path delay amount, which is a delay amount corresponding to each of the plurality of optical paths, and a processing delay amount, which is a communication delay amount corresponding to each of the plurality of optical paths caused by processing in a communication termination device (30) that terminates the plurality of optical paths. In addition, the calculation unit (12) determines, from among the plurality of optical paths, an optical path to be assigned to communication of each of a plurality of communication services on the basis of communication requirements of the plurality of communication services and the total delay amount.
A flow information table (106) stores information about a flow flowing to a first node in a network. If congestion is predicted at a second node through which the flow flows from the first node, a route control unit (105) distributes the flow flowing from the first node to the second node and one or more third nodes on the basis of the information in the flow information table (106).
H04L 47/127 - Avoiding congestionRecovering from congestion by using congestion prediction
H04L 47/125 - Avoiding congestionRecovering from congestion by balancing the load, e.g. traffic engineering
14.
COMMUNICATION QUALITY ESTIMATION SYSTEM, COMMUNICATION QUALITY ESTIMATION DEVICE, COMMUNICATION QUALITY ESTIMATION METHOD, AND COMMUNICATION QUALITY ESTIMATION PROGRAM
A communication quality estimation system according to one embodiment of the present invention estimates the communication quality at a terminal newly connecting to a base station, and is characterized by comprising: a storage unit in which relationship information, including the relationship between a total value of required data rates for the base station and an expected throughput that can be expected by a terminal newly connecting to the base station, is stored in advance; a collection unit for collecting required data rates of respective terminals; and an estimation unit for estimating the expected throughput that can be expected by a terminal newly connecting to the base station on the basis of a total value of the required data rates collected by the collection unit and the relationship information.
A collection device 1 comprises: a collection unit 10 that collects network information from devices constituting a network 8; an analysis unit 30 that analyzes the network information and generates control information necessary for load balancing of the network; a detection unit 41 that detects a sign of congestion of the network on the basis of the network information; and a control unit 50 that transmits the control information to a controller 7 that controls the devices to perform the load balancing. The collection unit 10 collects the network information from only spine switches among the devices constituting the network 8.
An information processing device according to one embodiment of the present invention comprises: an acquisition unit that acquires, from among a plurality of entities stored in a first database and classified into a group to be subjected to entity resolution from among a plurality of groups obtained by classifying a plurality of entities in the first database and a second database, a first adjacent entity representing an item having an adjacent relationship with an item represented by an entity to be subjected to entity resolution, and acquires, for each of the plurality of entities classified into the group to be subjected to entity resolution and stored in the second database, a second adjacent entity representing an item having an adjacent relationship with the item representing said entity; and a determination unit that determines the degree of similarity between the second adjacent entity and the first adjacent entity to thereby determine the second adjacent entity from among the second adjacent entities that is most similar to the first adjacent entity, and determines that the entity to be subjected to entity resolution and an entity that represents an item having an adjacent relationship with the item represented by the second adjacent entity, and that is classified into a group to be subjected to the entity resolution and is stored in the second database, are entities representing the same item.
A network management device according to one embodiment comprises: an extraction unit that, when a failure has occurred in a predetermined section of a route in a network configuration, extracts a failure influence range in the network configuration due to the occurrence of the failure in the route, and extracts candidates for a detour of a route related to provision of a service using the network configuration in a range limited to the extracted failure influence range; and an output unit that, on the basis of a rule in which an appropriate route is determined as the detour when the predetermined section is included in the route in which the failure has occurred, specifies and outputs an appropriate route as the detour among the candidates extracted by the extraction unit.
A network design device according to one aspect of the present invention designs a network that can be abstracted to a hierarchical structure from a physical layer to a service layer via an intermediate layer. The network design device comprises a resource management unit, an order processing unit, a calculation unit, and a human resource operation management unit. The resource management unit manages construction characteristics including at least a resource adjustment overhead, a design period, a construction period, a lead time, and a life cycle cost in each layer of the hierarchical structure. The order processing unit extracts, from an order given by designating end-to-end resources and routes of a service layer, insufficient resources at locations exceeding capacity due to the addition of routes. The calculation unit combines the extracted insufficient resources and sequentially calculates processes required for network construction on the basis of construction characteristics for each layer. The human resource operation management unit allocates human resources corresponding to the calculated processes and calculates a construction period required for network construction.
This communication terminal performs wireless communication with one or more base stations, and includes: a performance value management unit that registers, in a database, performance values including the wireless quality of the wireless communication and the state of carrier aggregation (CA); a CA prediction unit that predicts a handover destination base station and the state of CA in the handover destination base station on the basis of the performance values registered in the database by a plurality of the communication terminals; and a wireless quality prediction unit that predicts the wireless quality at the time of handover to the handover destination base station on the basis of the performance values registered in the database and a result of the prediction by the CA prediction unit, and outputs the predicted wireless quality to a predetermined output destination.
This information processing device receives an input of a gain table indicating the extent to which a cooperation task consisting of a combination of actions is performed, such input received for each of the combination patterns of the actions that can be taken by each performer in the cooperation task. Thereafter, the information processing device excludes, from the input gain table, an action that has no possibility of improving the performance of the cooperation task (first exclusion step). Next, the information processing device excludes, from the gain table resulting from the execution of the first exclusion step, patterns in which there is only one combination of the actions that improves the performance of the cooperation task (second exclusion step). Subsequently, if there are patterns with similar combinations of the actions in the gain table resulting from the execution of the second exclusion step, the information processing device excludes one of the patterns among the patterns with similar combinations of the actions (third exclusion step). Consequently, the information processing device outputs the combinations of actions remaining in the gain table after the execution of the third exclusion step.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
G06N 99/00 - Subject matter not provided for in other groups of this subclass
21.
WIRELESS COMMUNICATION SYSTEM, COMMUNICATION TERMINAL, WIRELESS COMMUNICATION METHOD, AND PROGRAM
This wireless communication system including a communication terminal for performing wireless communication with one or more base stations comprises: an actual-values management unit that registers, in a database, actual values including the wireless quality at the time of a handover at the communication terminal; an HO prediction unit that predicts the occurrence of a handover at the communication terminal; a wireless quality prediction unit that predicts, on the basis of the actual values registered in the database from one or more terminals, the wireless quality of the communication terminal after the handover has occurred; and a traffic control unit that, on the basis of the prediction result from the HO prediction unit and the prediction result from the wireless quality prediction unit, controls the traffic of the wireless communication before the handover occurs.
A coating film laminate (10) comprises: a scattering coating material (15) (first coating material) for scattering electromagnetic waves in a specific band; and an absorbing coating material (16) (second coating material) for absorbing electromagnetic waves in the specific band, and is disposed on the surface of an outdoor structure (11). The coating film laminate (10) is capable of inspecting coating deterioration on the basis of a predetermined pattern included in an image obtained by capturing reflected microwaves from microwaves emitted from a satellite (20).
G01V 3/12 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electromagnetic waves
An optical cross-connect device (100) comprises: a plurality of routing units (20) connected to an optical transmission line; and a plurality of multiplexing/demultiplexing units (30) connected to the plurality of routing units (20) and accommodating transponders, wherein each of the multiplexing/demultiplexing units (30) accommodates only a user transponder (40) having the same predetermined use when resetting a path, and is connected only to the routing unit (20) required for the use. The optical cross-connect device (100) comprises: a multiplexing/demultiplexing management information DB (120) for storing the assignment between each of the multiplexing/demultiplexing units (30) and routing units (20) and the accommodated wavelength status as a multiplexing/demultiplexing management table (200); and a multiplexing/demultiplexing unit management unit (110) for selecting a multiplexing/demultiplexing unit (30), in which a transponder is to be accommodated on the basis of requirements of a service provided to a user when accommodating the transponder, on the basis of the multiplexing/demultiplexing management table (200), and assigning and connecting the selected multiplexing/demultiplexing unit (30) only to the routing unit (20) that requires the multiplexing/demultiplexing unit (30).
A heat-resistant structure (1) that is to be provided in a conduit (P) that accommodates a power cable (C) comprises: a heat insulation part (11) that is provided along an inner wall of the conduit (P) and suppresses transmission of heat from the power cable (C) to the inner wall; and a heat dissipation part (12) that is provided to an outer surface of the power cable (C) and transmits heat into the air.
In an optical communication network APN provided with a plurality of nodes N and a plurality of fibers F connecting pairs of the nodes N, a processing device 1 is provided with: a storage device that stores configuration data 11 specifying the order of the plurality of nodes N connected by the fibers F, and a specific node from among the plurality of nodes N that is a conversion node for converting wavelengths, and wavelength data 12 specifying wavelengths available in fibers F connecting pairs of adjacent nodes; an acquisition unit 21 that acquires an identifier of a start node NS and an identifier of an end node NT of a newly established optical path; and a selection unit 22 that, by referencing to the configuration data 11 and the wavelength data 12, selects a wavelength available in a section from the start node NS to the conversion node and unavailable in an adjacent section on the opposite side of the conversion node with respect to the start node NS.
Provided is a calculation device that calculates a buffer amount for each queue in a communication device that performs priority control using a plurality of queues, the calculation device comprising: a first buffer calculation unit that calculates a buffer amount for each queue using a first buffer calculation method on the basis of the number of users who use a service and usage information of the service used by the users; a second buffer calculation unit that calculates a buffer amount for each queue using a second buffer calculation method, which is a calculation method different from the first buffer calculation method, on the basis of the number of users who use the service and the usage information of the service used by the users; and a buffer amount determination unit that determines a buffer amount to be set for a buffer of each queue of the communication device on the basis of the buffer amount for each queue calculated by the first buffer calculation unit and the buffer amount for each queue calculated by the second buffer calculation unit.
This optical receiver comprises a signal equalization unit that compensates for signal waveform distortion using a filter in which a filter coefficient is set so as to compensate for crosstalk in which the amount of crosstalk between IQ lanes is equal to or greater than a threshold value, with respect to a multiplexed signal transmitted from an optical transmitter.
This base station comprises: a scheduling adjustment unit that adjusts the schedule of a combination of antenna devices that perform transmission and reception at the same time among a plurality of antenna devices arranged dispersedly such that the combination suppresses interference which occurs between an uplink and a downlink and includes self-interference; and a control unit that controls the operation of each antenna device on the basis of the result of the adjustment by the scheduling adjustment unit.
The present invention increases the number of simultaneously usable optical paths among optical paths formed between a plurality of optical switches, and improves the utilization efficiency of the entire facility. This optical switch (SW) comprises a plurality of input ports (Q1 to Q3) and a plurality of output ports (P1 to P3). The plurality of input ports are disposed at equal intervals around a rotation axis (AS) and the plurality of output ports are disposed at equal intervals around the rotation axis. Combinations of connections between the input ports and the output ports are switched by rotation around the rotation axis. The plurality of input ports and the plurality of output ports are simultaneously connected and an optical signal propagates between the connected input ports and output ports.
G02B 6/35 - Optical coupling means having switching means
H04Q 3/52 - Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
A VxLAN termination device (200) comprises: a detection unit (231) that detects a trigger such as a link-up of a network terminal (300); a CPU (230) in which a cache container (232) operates, the cache container having cached therein installation materials for network terminals stored in a ZTP server (110); and a monitoring unit (221) that, when the trigger is detected, starts monitoring a DHCP Offer (510) that notifies the network terminal of the address of the ZTP server. The CPU changes the routing setting on the basis of the DHCP Offer so that traffic requesting an installation material from the network terminal is directed to the cache container.
An L2 switch (30) has: a recording unit (322) that records first collation data included in a main signal transmitted from a random number remote TP (20R); and a comparison unit (321) that discards an OSC signal received from the random number remote TP (20R) when the first collation data recorded in the recording unit (322) does not coincide with second collation data included in the received OSC signal. When the first collation data coincide with the second collation data, the comparison unit (321) allows the received OSC signal to pass and successfully authenticates the random number remote TP (20R) which has transmitted the OSC signal.
The present disclosure relates to a communication device that performs radio communication with a base station, the communication device comprising: a communication unit that transmits, to a specific server, actual measured values including identification information of a base station with which the communication device is communicating and radio quality information indicating the radio quality during communication; a handover destination predicting unit that predicts a specific base station as a handover destination on the basis of the actual measured values for the radio communication with the base station with which the communication device is communicating and the actual measured values for a handover destination candidate acquired from the specific server; a radio quality predicting unit that, on the basis of the measured values for a given communication device in the specific base station of the handover destination, acquired from the specific server, and the actual measured values for the communication device in the base station with which the communication device is communicating, predicts a change in radio quality due to the handover, and thereby outputs a predicted value relating to radio quality; and a predicted value correcting unit that corrects the predicted value by using specific actual measured values based on the actual measured values for the given communication device in the specific base station.
An information processing device according to one embodiment has an extraction unit that extracts candidate information that is a single item of data that is stored at a first database and a plurality of candidates for data that is stored at a second database that represents the same matters as the single item of data that is stored at the first database and a determination unit that generates a query that asks which of the plurality of candidates is data that represents the same matters as the single item of data that is stored at the first database on the basis of the information extracted by the extraction unit, inputs the query into a model, and determines which of the plurality of candidates is data that represents the same matters as the single item of data that is stored at the first database on the basis of a response to the query that is outputted from the model.
A software test device (100) comprises a CPU (101), an auxiliary storage device (103) that stores the original of software to be tested, and a main storage device (102) that stores an implementation binary (220) copied from the original. When testing the copied implementation binary, for some or all of the functions called by some or all of the functions or features implemented as features to be tested in the copied implementation binary, the CPU dynamically changes a function return value, or a value passed via an argument, to a specified value, regardless of the processing content, without modifying the original implementation binary (210).
An embodiment of the present invention comprises: a first processing unit that generates, on the basis of task history information of a plurality of employees, work flow information in which a plurality of task items are arranged according to a task procedure; a second processing unit that estimates, for each of the plurality of employees, a representative work procedure of the employee in the work flow on the basis of a task execution frequency of the employee; a third processing unit that presents, for a general employee from among the plurality of employees whose assigned work scope is within a prescribed scope, first work scope confirmation information which clearly indicates a representative work procedure of the general employee on the work flow, and that acquires information indicating a first acknowledged work scope designated by the employee with respect to the presented first work scope confirmation information; and a fourth processing unit that presents, to the general employee, survey information corresponding to the first acknowledged work scope, and that acquires the response results of the general employee to the task items included in the first acknowledged work scope.
According to the present invention, a controller is connected to a power transmission device that spatially transmits power to a power reception device. The power reception device is a device that accumulates power and transmits data when the accumulated power reaches a threshold power. The controller sequentially switches an area supplied with power from the power transmission device, and determines the position of the power reception device on the basis of a change in data transmission from the power reception device accompanying the switching.
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
The present disclosure is a controller connected to a wireless communication device that communicates with a power reception device and supplies power to the power reception device, and connected to a power transmission device that spatially transfers power to the power reception device. When radio waves from the wireless communication device are used for communication, the controller uses a frequency having little interference with the radio waves used for communication as a frequency used for the supply of power by the wireless communication device and the power transmission device.
The present disclosure is a controller connected to a wireless communication device that communicates with a power reception device and supplies power to the power reception device, and a power transmission device that spatially transmits higher power than the wireless communication device to the power reception device. A power supply area of the power transmission device overlaps at least a part of a communication area of the wireless communication device. The controller determines a power reception device that needs to be supplied with power, uses, for the power transmission device, a resonance frequency having high power reception efficiency for the power reception device that needs to be supplied with power when the power reception device that needs to be supplied with power is located in the power supply area, and uses, for the wireless communication device, a resonance frequency having high power reception efficiency for the power reception device that needs to be supplied with power when the power reception device that needs to be supplied with power is outside the power supply area and inside the communication area.
This semiconductor laser (10) is a distributed-reflector semiconductor laser including: an active region (11) having optical gain in a direction in which light is waveguided; and a DBR region (12) having a diffraction grating. A carrier plasma DBR region includes, in the order given, an n-type semiconductor cladding layer (101), a carrier plasma diffraction grating (120), a core layer (121) in which carrier plasma light is waveguided, and a p-type semiconductor cladding layer (102). Due to this configuration, the present invention can provide a semiconductor laser that has reduced optical loss and can operate at a low threshold value and high output.
This fiber array (10) comprises an optical chip (110), a fiber (100), and a lid (120), the optical chip being provided with a substrate (115), a waveguide (112) disposed on one surface of the substrate, and a V-groove (111) disposed on one surface of the substrate, the tip of the fiber being disposed in the V-groove so that the core of the fiber and the waveguide are optically connected, and a portion of the lid being disposed so as to cover at least the tip of the fiber. Thus, the present invention can provide a fiber array in which a fiber and a waveguide of an optical chip can be optically connected with high accuracy.
Provided is a wavelength-tunable laser diode capable of stabilizing the oscillation wavelength against fluctuations in optical output without relying on temperature control. An MMI (12) having an M×N port configuration, N reflective delay line arrays (13) connected to the N port side of the MMI (12), and an optical gain region (11) that is provided on at least one port on the M port side and amplifies light are integrated on the same substrate. The wavelength-tunable laser diode comprises: a wavelength adjustment electrode group (18) that applies a voltage to the reflective delay line arrays (13) to adjust the wavelength of oscillation light that is output from the optical gain region (11); a photocurrent detection electrode group (28) that detects a photocurrent generated from the reflective delay line arrays (13) to which the voltage has been applied by the wavelength adjustment electrode group (18); and a control circuit (16) that controls the wavelength of the oscillation light on the basis of the voltage applied by the photocurrent detection electrode group (28) and the current detected by the photocurrent detection electrode group (28).
H01S 5/0687 - Stabilising the frequency of the laser
G02B 6/12 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
A service provision system (10) for providing a user system (30) with a service utilizing a container (28) executed in a cloud system (20) is provided with a memory (12), hardware (13), and an interface (14). The hardware (13), by running an enclave program (17) in a reliable execution environment constructed in the memory (12): generates an authentication key for authenticating the container (28); generates a measurement value related to a program group including the enclave program (17) as a measurement value to be collated by the user system (30); verifies, by using a public certification system (60), that measurement values related to a container image and to a program group including a program for executing the container (28) have been published; and generates an electronic signature for the authentication key and the measurement value. The interface (14) provides the user system (30) with the authentication key, the measurement value, and the electronic signature.
A communication control system according to the present invention has at least three wireless base station devices and a communication control device that controls the switching of communication connections between the wireless base station devices and terminal devices. The communication control device has: a detection unit that detects that a terminal device that is communicatively connected to a first wireless base station device and a second wireless base station device and is moving away from the first wireless base station device while approaching a third wireless base station device has entered a prescribed range that is within an area in which communication with both the first wireless base station device and the third wireless base station device is possible; and a switching control unit that, when it has been detected that the terminal device has entered the prescribed range, performs control that establishes a communication connection between the terminal device and the third wireless base station and then ends the communication connection between the terminal device and the first wireless base station device. The prescribed range is set on the basis of the communication environment between the first wireless base station device and another device in the vicinity of a movement path and the communication environment between the third wireless base station device and the other device in the vicinity of the movement path.
H04W 36/28 - Reselection being triggered by specific parameters by agreed or negotiated communication parameters involving a plurality of connections, e.g. multi-call or multi-bearer connections
H04W 36/32 - Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
H04W 36/38 - Reselection control by fixed network equipment
H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
H04W 76/15 - Setup of multiple wireless link connections
A switching control device comprising: a switching timing determination unit for acquiring period information including information pertaining to a plurality of free periods in which data transmission is not performed for at least first data and second data that are transmitted at different intervals within a specific cycle, and determining, on the basis of the acquired period information, a free period that satisfies a switching condition; and a switching instruction unit that instructs an optical switching device to perform route switching between optical signal transmission sections so that a route is switched within the free period determined by the switching timing determination unit.
A nonlinear microwave resonator (10) comprises an NbN/AlN/NbN structure in which an NbN thin film is used for a lower layer electrode (2) and an upper layer electrode (4), and in which an AlN thin film is used for a dielectric film (3) that is provided between the lower layer electrode and the upper layer electrode. This structure constitutes a Josephson junction that is formed by using the NbN thin film as a superconductor and the AlN thin film as the dielectric film (3), and the structure functions as a Josephson element (10b). In addition, the structure constitutes a capacitor (10a) that has NbN as an electrode and AlN as a dielectric film (insulating layer), and functions as the nonlinear microwave resonator (10).
This optical modulator includes a light absorbing layer (102) formed on a substrate (101). The light absorbing layer (102) is formed in a core shape extending in a predetermined direction on the substrate (101). The light absorbing layer (102) has a multiple quantum well structure made of a compound semiconductor. The multiple quantum well structure of the light absorbing layer (102) gradually changes such that the photoluminescence wavelength of the light absorbing layer (102) gradually increases from the light incident side toward the light emission side. The spacing between the photoluminescence wavelength on the light incident side and that on the light emission side of the light absorbing layer (102) can be 10 nm or more.
A connector (10) for optical connector inspection is provided with: an optical fiber (1); a ferrule (11) which holds the optical fiber (1) and has an end face (15) from which an end part (3) of the optical fiber (1) is exposed; an optically transparent spacer (20) which is provided to the end face (15); and a light-shielding mask (30) which is provided on the spacer (20) and has a mask hole (31) at a position at which a portion of test light, which is emitted from the end part (3) of the optical fiber (1) and passes through the spacer (20), reaches.
A columnar Si pattern (102) is formed on a substrate (111) by patterning an Si layer (101), and a rare earth oxide layer (103) composed of a rare earth oxide is grown in crystal on the Si pattern (102). A buffer layer (104) configured from a rare earth oxide different from that of the rare earth oxide layer (103) is grown in crystal on the Si pattern (102), and a rare earth oxide layer (103) is grown in crystal on the buffer layer (104). Furthermore, before an erbium-added rare earth oxide layer (103) is grown in crystal on the buffer layer (104), a no-additive layer (105) configured from only the rare earth oxide constituting the rare earth oxide layer (103) is grown in crystal on the buffer layer (104), and then the rare earth oxide layer (103) is grown in crystal on the no-additive layer (105).
G02B 1/02 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of crystals, e.g. rock-salt, semiconductors
In the present invention, a first surface (100a) of a first chip (100) and a second surface (120a) of a second chip (120) are joined so as to face each other, and a first core (101) exposed at the first surface (100a) of the first chip (100) and a second core (121) exposed at the second surface (120a) of the second chip (120) are disposed so as to overlap in a waveguide direction. The first surface (100a) and the second surface (120a) are joined by solder (111) in a joining region other than an optical connection region.
A wireless communication system according to an embodiment includes: a number-of-times measurement circuitry configured to measure the number of retries in which a first wireless terminal tries to perform communication in conformity with a first communication scheme; and a control circuitry configured to perform control such that the first wireless terminal performs wireless communication with a base station using a second communication scheme without using the first communication scheme until a predetermined time passes when the number of retries measured by the number-of-times measurement circuitry exceeds a preset number of retries less than a predetermined number of retries in which the second wireless terminal tries to perform communication in conformity with the first communication scheme.
A optimizing apparatus capable of solving an online matching problem according to an embodiment includes: circuitry configured to acquire input data including information regarding the node, a remaining amount given to a fixed node among nodes, the appearance probability given to an appearance node among the nodes, and a reward given to each edge when matching is performed, perform formulation to a first optimization problem based on the input data, determine whether or not all of the appearance nodes satisfy a predetermined assumption, perform transformation into a second optimization problem capable of obtaining an approximate solution that is a variable that controls a weight of each node and the appearance probability in the first optimization problem and a matching strategy in a case where the predetermined assumption is satisfied, obtain the approximate solution by solving the second optimization problem, and output the approximate solution.
This information processing device comprises: an acquisition unit that acquires transaction-desired item information relating to a transaction-desired item; and a selection unit that selects a substitute-item candidate for the transaction-desired item from among a plurality of substitute-item candidates, on the basis of, for each of the plurality of substitute-item candidates, the inventory status of the substitute-item candidate and a substitute-item function corresponding to at least one of an item-dependent coefficient corresponding to the difference between the transaction-desired item and the substitute-item candidate and an event-dependent coefficient corresponding to transaction information relating to the transaction-desired item.
An optical device is provided with a first optical waveguide (100) and a second optical waveguide (120). The first optical waveguide (100) is provided with a lower cladding layer (101) and a first core (102) composed of Si. The second optical waveguide (120) is provided with a second core (121) composed of a compound semiconductor, and a cladding layer (122) composed of silicon oxide is formed on the second core (121). The second optical waveguide (120) overlaps the first optical waveguide (100) and is formed along the first optical waveguide (100). The second core (121) is supported in contact with the top of the first core (102).
An adapter according to the present invention comprises: first and second connector parts to which a terminal for transmitting a biological signal measured by an electrode part is attached; third and fourth connector parts to which an electrode part to be brought into contact with a living body is attached; a first flexible wiring part for electrically connecting the first connector part to the third connector part; a second flexible wiring part for electrically connecting the second connector part to the fourth connector part; and a flexible substrate on which the first connector part, the second connector part, the third connector part, and the fourth connector part are arranged in alignment on a straight line and the first and second flexible wiring parts are disposed inside thereof. The connector parts are arranged in such a manner that the distance between the third connector and the fourth connector is longer than the distance between the first connector and the second connector. The first and second connector parts are arranged on a side to which the terminal is attached, and the third and fourth connector parts are arranged on a side to which the electrode part is attached.
A cell-free massive MIMO system according to the present disclosure comprises a plurality of APs, a plurality of RISs, and a CPU connected thereto. The CPU acquires user information relating to a plurality of UEs from the plurality of APs, and determines one or more related APs to be associated with the plurality of UEs from among the plurality of APs for each UE on the basis of the user information. The CPU determines one or more related RISs to be associated with the one or more related APs from among the plurality of RISs for each related AP on the basis of mapping information between the plurality of APs and the plurality of RISs. The CPU determines allocation of resources of each of the one or more related RISs to the plurality of UEs such that the minimum required quality of service is obtained in each of the plurality of UEs, provides RIS information regarding the allocation to the one or more related APs, and controls the one or more related RISs according to the allocation.
H04B 7/024 - Co-operative use of antennas at several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
H04B 7/06 - Diversity systemsMulti-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
43433 on the substrate (101). After forming the nanowire (102) in this manner, the nanowire (102) can be selectively peeled from the substrate (101), and the peeled nanowire (102) can be transferred to another substrate (not depicted in the drawings).
C23C 16/18 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metallo-organic compounds
C30B 25/18 - Epitaxial-layer growth characterised by the substrate
C30B 29/60 - Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
According to the present disclosure, an information processing device 40 and an information processing method using the information processing device 40 link position data of a plurality of arbitrary positions underground with search data obtained by searching, at the plurality of arbitrary positions underground by using transmission waves, for an object subject to searching, and calculate the position, in an underground space, of the object subject to searching.
G01V 9/00 - Prospecting or detecting by methods not provided for in groups
G01V 3/12 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electromagnetic waves
58.
INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD
An information processing device SV according to one aspect of the present invention is capable of communicating with a plurality of terminal devices UT, and includes: a terminal handling content acquisition unit 11 that comprehends screen data and text information handled by the terminal devices UT; a trouble word acquisition unit 12 that acquires a trouble word input by a person seeking advice; a suitability evaluation value calculation unit 13 that calculates a degree of recommendation; a shared region acquisition unit 141 that acquires a shared region, which is a range of users among which documents are shared by said users, and extracts shared words; a shared region confirmation unit 142 that identifies a shared region to which the person seeking advice and a given user both belong; an inclusion state confirmation unit 145 that confirms whether the trouble word is included among the shared words of the identified shared region; a recommendation degree correction unit 146 that corrects the degree of recommendation; a recommendation degree evaluation unit 15 that calculates the degree of recommendation of an advisor in accordance with the corrected degree of recommendation; and an output control unit 16 that outputs information for presenting information regarding the advising user.
A hardware resource determination device comprises: a source code acquisition unit that acquires the source code of an application; a component analysis unit that analyzes a component of the source code acquired by the source code acquisition unit; a category determination unit that determines the category to which the source code belongs on the basis of the result of the analysis by the component analysis unit; and a hardware resource determination unit that determines a hardware resource for executing the application on the basis of the category determined by the category determination unit.
A transmission system 100 and a transmission method carried out by the transmission system 100 according to the present disclosure are such that a camera control signal for controlling an imaging unit 31 is transmitted to a network 900, and the imaging unit captures an image of an object to be imaged in accordance with the control signal received from the network 900 and transmits pixel data corresponding to each of a plurality of pixels of the imaging unit 31 simultaneously in parallel to the network 900.
In a transmission system 100 according to the present disclosure and a transmission method performed by the transmission system 100, pixel data corresponding to each of a plurality of pixels of an imaging unit 31 is transmitted to a network 900, the pixel data is received from the network 900, and image data composed of at least some of the plurality of pixels is generated from the received pixel data.
H04N 21/238 - Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidthProcessing of multiplex streams
H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
62.
LEARNING DEVICE, INFERENCE DEVICE, LEARNING METHOD, AND PROGRAM
Provided is a learning device comprising a control unit that performs training of a learning target, wherein: in the training, training is performed using a training model, which is a mathematical model different from PRVAE-VC in that a HuBERT model is used instead of a mel-spectrogram extractor; and the learning target is a mathematical model that is a part of the training model and differs from that obtained as a mathematical model used in an inference stage by the PRVAE-VC in that a HuBERT model is used instead of a mel-spectrogram extractor.
A substrate (101) that has a principal surface in the (100) plane is etched using a first mask pattern (201) that has an opening (201a) that is an ellipse for which the major axis direction is the [0-11] direction of InP to form a plano-convex lens (103) that has a convex surface that is a spherical surface for which the major axis direction is the [0-11] direction. The plano-convex lens (103) is formed at a bottom surface of a recess (102).
H10F 30/20 - Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
64.
OPTICAL FIBER HOLDING JIG AND OPTICAL FIBER HOLDING METHOD
An optical fiber holding jig (30) comprises a holding part (31) for holding an optical fiber. The holding part (31) includes a body (32) including a flat surface (32a) in which a groove part (34) for accommodating a part of the optical fiber is formed, and a pair of flange parts (33, 33) provided on both sides of the body (32) and positioned at a position lower than the flat surface (32a) in the height direction of the body (32) and orthogonal to the flat surface (32a).
An optical fiber processing device (10) is provided with: a roller (11) that has, on the outer periphery thereof, a recess (15) on which an optical fiber (1) is hung; and an irradiation part (12) that irradiates the optical fiber (1), while hanging on the recess (15), with an optical pulse (16). The optical axis (16a) of the optical pulse (16) intersects the deepest section (19) of the recess (15).
An environment construction device (130) according to an embodiment comprises: a screen extraction unit (131) that extracts a common region from captured images for each operation using an operation log acquired from an external device, and deletes the extracted regions from all of the captured images to generate a system screen for each operation; a screen generation unit (132) that combines two system screens using, as a reference, a common region of consecutive system screens among the system screens for each operation including the initial system screen in the initial state before operation, to thereby generate an overall system screen; an element extraction unit (133) that uses the operation location coordinates on the system screen for one operation to compare at least two system screens for which operations are consecutively performed, among the system screens for each operation including the initial system screen, to thereby determine if there is an input element or a temporary display element depending on whether information remains at the operation location coordinates; an element setting unit (134) that sets a reference by calculating the position coordinates of the system screen for one operation in an overall system screen, and calculates the operation location coordinates on the overall system screen; and an environment construction unit (135) that combines an input element displayed at the operation location with the overall system screen on the basis of the operation location coordinates on the overall system screen.
A wavelength band expansion device, an optical transmission system, and a wavelength band expansion method of the present invention use a unit provided with a wavelength division multiplexing coupler connected to an optical fiber, and a first wavelength selection switch for inputting/outputting, to/from the wavelength division multiplexing coupler, a plurality of first optical signals that are in a first wavelength band and transmitted over the optical fiber. An additional coupler connected between the optical fiber and the wavelength division multiplexing coupler is disposed, and a second wavelength selection switch for inputting/outputting, to/from the additional coupler, a plurality of second optical signals that are in a second wavelength band and transmitted over the optical fiber is disposed. A second wavelength band that does not overlap with the first wavelength band is set.
This signal conversion device comprises: a first signal reception unit that receives a first signal used in a first network; a data deletion unit that generates a second signal by deleting a portion of data from the first signal received by the first signal reception unit; a first signal generation unit that generates a third signal used in a second network by packetizing the second signal generated by the data deletion unit; and a first signal transmission unit that transmits the third signal generated by the first signal generation unit to the second network.
A power derivation unit derives the power difference or power ratio between a positive-side frequency component and a negative-side frequency component of a signal spectrum of a coherently detected reception signal by using light output from a light source unit. A digital signal processing unit estimates the frequency offset amount of the coherently detected reception signal, and compensates the reception signal for the estimated frequency offset amount. A control amount derivation unit derives a control amount on the basis of the power difference or the power ratio when the power difference or the power ratio is larger than a predetermined condition, and derives a control amount on the basis of the estimated frequency offset amount when the power difference or the power ratio is smaller than the predetermined condition. A frequency control unit changes, by the derived control amount, the frequency of the light output by the light source unit.
One aspect of the present invention is a reflector antenna provided with: a rotationally symmetric secondary reflecting mirror that is a secondary reflecting mirror having a shape (360/n)-degree rotationally symmetric with respect to a prescribed axis serving as an axis of rotational symmetry, the prescribed axis being an axis that is prescribed; and a rotationally symmetric primary reflecting mirror that is a primary reflecting mirror having a shape (360/m)-degree rotationally symmetric with respect to the prescribed axis serving as an axis of rotational symmetry. As compared with a reference reflector antenna, which is a reflector antenna provided with: a reference secondary reflecting mirror that is a secondary reflecting mirror having a cross-sectional shape coinciding with or substantially coinciding with a quadratic curve; and a reference primary reflecting mirror that is a primary reflecting mirror having a cross-sectional shape coinciding with or substantially coinciding with a quadratic curve, the rotationally symmetric secondary reflecting mirror has a shape obtained by rotating a part of the cross-sectional shape of the reference secondary reflecting mirror n times by (360/n) degrees each time with respect to the prescribed axis serving as an axis of rotational symmetry, and the rotationally symmetric primary reflecting mirror has a shape obtained by rotating a part of the cross-sectional shape of the reference primary reflecting mirror m times by (360/m) degrees each time with respect to the prescribed axis serving as an axis of rotational symmetry.
H01Q 19/19 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
71.
OBSERVATION DATA PREDICTING DEVICE AND OBSERVATION DATA PREDICTING PROGRAM
This observation data predicting device: accepts designated time and designated position information; from a dataset that includes records in which time information, position information, and observation values are associated with each other, samples each record satisfying a predetermined condition as subset data; inputs the subset data to an encoder model that, upon accepting input of a record before a specified time t, included in learning data, outputs an observation value at a time after the time t; and inputs an output of an encoder layer of the encoder model and the designated time and designated position information into a decoder model that, upon accepting input of the output of the encoder layer and the time information and position information of a record after the time t, selected from the learning data, outputs an observation value of the selected record, and uses the observation value output from the decoder model as a predicted observation value.
This learning device comprises a control unit that performs knowledge distillation using, as a teacher model, a mathematical model that performs signal conversion using a diffusion model and has been trained by non-parallel conversion. A student model in the knowledge distillation is a mathematical model that performs signal conversion using a diffusion model and has fewer steps in a despreading process than the teacher model. In the knowledge distillation, the student model is updated so as to reduce the difference between the result of signal conversion by the student model and the result of signal conversion by the teacher model.
A monitoring device (10) comprises a control unit (12) that: sets a reference point for an underground structure that is a continuous body; calculates, on the basis of interferometric SAR measurement data (24), the difference in the amount of displacement of the ground in the up-down direction between the set reference point and a plurality of locations within an area in which the underground structure is buried; and determines the amount of relative displacement of the underground structure in the up-down direction at the plurality of locations.
This dialog device comprises an input unit, an action selection unit, an utterance generation unit, and an output unit. The input unit receives an input of an utterance of a user. On the basis of the input utterance of the user, profile information about the user, and the context of a dialog with the user, the action selection unit selects an action for the user by calling functions by means of a natural language processing model and using a result of calling, from among predefined functions, a function necessary for an action for maintaining the context of the dialog with the user. Thereafter, the utterance generation unit uses the natural language processing model to generate and output an utterance necessary for the action on the basis of the action selected by the action selection unit. The output unit outputs a log of the dialog with the user, which includes an utterance serving as a response from the user.
A prediction device disclosed herein acquires a series of actions that members of a group performing a collaborative task each performed in order to perform the collaborative task. Next, the prediction device uses the acquired series of actions of each member to calculate, for each member, an action adjustment probability indicating the probability that the member will change the next action in accordance with the action of another member and the probability that the member will not change the next action. Thereafter, on the basis of the calculated action adjustment probability for each member, the prediction device calculates, for each member, a value obtained by multiplying the probability that the member will not change the next action by the probability that another member will change the next action in accordance with the action of the member. Also, the prediction device outputs a value, obtained by adding up the calculated values for the members of the group, as a predicted value of the level of performance by the group.
This communication system includes a plurality of gateways that are connected to a mobile network and a plurality of edge servers, and a path selection controller that selects a communication path in the mobile network. The gateway has a notification unit that, if a path failure has been detected in a path to the edge server, notifies the path selection controller of information relating to a communication terminal that uses the path in which the path failure has been detected. The path selection controller has a session management unit that, on the basis of the information relating to the communication terminal, switches the communication path in the mobile network used by the communication terminal that uses the path to a communication path to a gateway different from the gateway in which the path failure has been detected among the plurality of gateways.
A readout device (10) according to the present disclosure comprises: a detection unit (11) that detects a traveling direction on a reference map during capturing of a plurality of query images sequentially over time by a moving camera; a calculation unit (12) that, on the basis of optical flows of the plurality of query images, calculates the orientation of the camera with respect to the traveling direction; and a readout unit (13) that, from a database that stores, as reference data, a plurality of reference images and the reference map in which feature points of the plurality of reference images are associated with three-dimensional points on a three-dimensional map, reads out the reference data while restricting the range of the reference data on the basis of the orientation of the camera with respect to the traveling direction.
A wireless communication system according to one embodiment comprises: a communication destination access point; an access point for access transmission; a low-latency requesting terminal that transmits a packet which requires a prescribed low latency; and a non-low-latency requesting terminal that allows transmission of a packet with a longer latency than the low-latency requesting terminal, wherein upon receiving, from the low-latency requesting terminal, request information that indicates an access request to the communication destination access point, the access point for access transmission transmits the request information to the communication destination access point, and the communication destination access point yields an TXOP to the low-latency requesting terminal.
A server device (10) includes: an extraction unit (12) that creates slots from a past response history data set (11), the slots being a set of question items prepared by dividing information to be acquired from a user into prescribed units, and that extracts properties of the question items in the slots; and a conversation control unit (13) that selects, from the slots, a question item to be asked to the user on the basis of the properties of the question items, supplies the selected question item to a language model, thereby causing the language model to generate a question to the user, and that controls a conversation with the user via a user terminal.
H04L 51/02 - User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail using automatic reactions or user delegation, e.g. automatic replies or chatbot-generated messages
80.
REFLECTIVE STRUCTURE, WIRELESS COMMUNICATION SYSTEM, AND METHOD FOR INSTALLING REFLECTIVE STRUCTURE
The purpose of the present disclosure is to provide a technique that makes it possible to reflect radio waves without installing a reflective structure in an inclined manner. A reflective structure according to the present disclosure comprises radio wave reflectors. The reflectors are repeatedly arranged one-dimensionally or two-dimensionally, and the reflectors respectively have radio wave reflection surfaces that are inclined in the same direction.
A communication control method according to the present disclosure includes: a step for determining a temporary communication schedule, which is a communication schedule for unicast communication by a plurality of nodes for transmitting data to a plurality of destination nodes, by means of a prescribed scheme; and a step for restructuring the communication schedule of the plurality of nodes in accordance with the temporary communication schedule so that transmission of an (i+1)th (i=1, 2, ..., and n-1) data item starts earlier as compared to a case in which the (i+1)th data item is transmitted after an i-th data item has been transmitted.
H04L 67/60 - Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
H04L 67/10 - Protocols in which an application is distributed across nodes in the network
A protective article (1) for protecting a cable includes: an inner tube for accommodating the cable; an outer wall part for accommodating the inner tube; and a protective material (13) installed in a gap between the outer wall part and the inner tube and extending along the direction in which the cable extends. The protective material (13) has an end surface facing an end surface of a protective material (13') provided on a protective article (1') adjacent to the protective article (1) in said direction. At least a part of the end surface of the protective material (13) is not perpendicular to said direction.
A system (1) comprises: a control device (10) that controls a current to a power cable; a detection device (20) that detects a temperature inside a pipeline accommodating the power cable; a first facility (30) that supplies power to an external supply destination via the power cable; and a second facility (40) that can supply power to the external supply destination not via the power cable. The detection device (20) outputs temperature information indicating a temperature to the control device (10). When determining that the temperature is equal to or higher than a predetermined temperature on the basis of the temperature information, the control device (10) reduces the current and switches at least a part of the power supply to the external supply destination from the supply from the first facility (30) to the supply from the second facility (40).
A learning device comprises a control unit that performs knowledge distillation using, as a teacher model, a mathematical model that performs signal conversion using a diffusion model and is trained through non-parallel conversion. A student model in the knowledge distillation is a mathematical model that performs signal conversion using a diffusion model and has fewer steps in a de-spreading process than the teacher model. In the knowledge distillation, the student model is updated so as to reduce the difference between the result of signal conversion performed by the student model and the result of signal conversion performed by the teacher model.
This cable laying auxiliary device (10A) comprises: a housing (11) that has wheels (15) and is provided so as to be movable in a traveling direction (Z direction); a cable pressing part (12) that is provided in a front portion (11a) of the housing (11) in the traveling direction and presses a cable (1) laid in a groove (5) below the housing (11); and a filler emission part (14) that is positioned behind the cable pressing part (12) in the traveling direction and emits a filler (17) into the groove (5) in an amount corresponding to the number of rotations of the wheels (15) at a time when the housing (11) travels in the traveling direction.
G02B 6/54 - Underground or underwater installationInstallation through tubing, conduits or ducts using mechanical means, e.g. pulling or pushing devices
H02G 9/02 - Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottomCoverings therefor, e.g. tile
The main purpose of the present invention is to provide a mechanical stimulation response element which is capable of more precisely and efficiently stimulating a functional material in a polymer base material. A mechanical stimulation response element according to the present invention comprises a high-frequency mechanical vibration element, and a composite material part that is provided on the surface of a vibrator in the high-frequency mechanical vibration element. The composite material part comprises a composite material of a polymer base material and a functional material the physical properties of which are changed by a distortion. The high-frequency mechanical vibration element is for applying high-frequency minute vibration exceeding the upper limit of frequencies at which deformation of the polymer base material can follow a stress, and changes the physical properties of the functional material by means of the high-frequency minute vibration applied by the high-frequency mechanical vibration element.
A failure handling device is used in a redundancy system (100) that operates a routing protocol between IP devices via a VxLAN that connects between switches. The failure handling device records a peer relationship between the IP devices operating the routing protocol, the peer relationship being obtained by snooping control packets of the routing protocol. When a failure occurs, the failure handling device refers to the peer relationship to acquire an IP device on the failure-location side and an IP device on the counterpart side with respect to the failure location, and, by proxy, notifies the IP device on the counterpart side with respect to the detected failure location regarding a message pertaining to failure detection of the routing protocol originally transmitted from the IP device on the failure-location side.
This base station comprises: one or more communication devices that include communication resources for each cell and that form a plurality of cells by means of a plurality of distributed antennas; a plurality of switching units that switch connection relationships between the communication resources included in the one or more communication devices and the plurality of antennas; and one or more combining/distributing units that combine or distribute input signals between the plurality of switching units.
H04B 7/024 - Co-operative use of antennas at several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
89.
OPTICAL SIGNAL PROCESSING DEVICE, OPTICAL INTEGRATED CIRCUIT CHIP, AND METHOD FOR PRODUCING OPTICAL SIGNAL PROCESSING DEVICE
The present invention comprises: a chip 22 including a substrate 22a and a phase shifter 222 that controls an optical switch which is formed on the substrate 22a; a chip 21 including a substrate 21a and a phase shifter 212 that controls an optical switch which is formed on the substrate 21a; and a wire bonding substrate 25 including an electrode 254 and a common electrode 255 for supplying power to the chips 21 and 22, wherein an optical signal processing device is configured by the chip 22 including an electrode 226 and wiring 223 for connecting the electrode 254 and the common electrode 255 to the phase shifter 222, and an electrode 224 and the wiring 223 for connecting the electrode 254 and the common electrode 255 to a phase shifter 211.
G02B 6/12 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour
One embodiment of the present invention is a control device for migration in which an application operating on a first server is moved to a second server corresponding to the application, the control device comprising: a first migration control unit that starts up an application, which is the same as the application operating on the first server, on the second server in advance; an analysis unit that analyzes the operating state of the application operating on the first server; and a second migration control unit that, on the basis of the analysis result of the operating state by the analysis unit, causes the application already started up on the second server to take over the operating state of the application operating on the first server.
The purpose of the present disclosure is to control a monitoring device so as to perform appropriate life/death monitoring. To this end, the present disclosure relates to a monitoring control device that controls life/death monitoring for confirming the operating state of user equipment, the monitoring control device comprising: a communication unit that receives the IP address of authenticated user equipment from an authentication device that authenticates pieces of user equipment in a prescribed closed network and thereby assigns an IP address to each piece of user equipment; and a calculation unit that calculates the user equipment IP address assignment rate on the basis of the IP addresses of the authenticated user equipment and the number of pieces of user equipment in the prescribed closed network, and that, on the basis of the assignment rate, the number of pieces of user equipment, and a predetermined monitoring interval, calculates a monitoring request amount indicating the number of times per unit time that a measurement packet for life/death monitoring should be transmitted to prescribed user equipment among the pieces of user equipment.
This optical connector (10) is provided with: a ferrule (11) having an end surface (15) in which at least one fiber hole (12) is open; at least one optical fiber (1) in which a core end surface (2a) is exposed from the end surface (15) via the fiber hole (12); a refractive index matching part (20) that is formed so as to be elastically deformable and is in contact with the core end surface (2a); and a protective part (21) that is provided on the end surface (15) and is formed to be harder than the refractive index matching part (20). The protection part (21) includes an accommodating recess (21) that accommodates the refractive index matching part (20).
One embodiment of the present invention is a control apparatus for migration in which an application for device control, which runs on a first server, is transferred to a second server corresponding to the application. The control apparatus comprises: a first control unit that controls a first migration in which the same application as the application running on the first server is started in advance on the second server; an analysis unit that analyzes the running state of the application running on the first server; a required time calculation unit that calculates, on the basis of the analysis result of the running state, a required time for a second migration in which the running state of the application running on the first server is carried over to the application which has been already started on the second server; a timing control unit that controls an execution timing of the second migration on the basis of the calculation result of the required time; and a second control unit that executes the second migration at the timing controlled by the timing control unit.
G06F 11/07 - Responding to the occurrence of a fault, e.g. fault tolerance
G06F 9/50 - Allocation of resources, e.g. of the central processing unit [CPU]
G06F 9/455 - EmulationInterpretationSoftware simulation, e.g. virtualisation or emulation of application or operating system execution engines
G06F 11/20 - Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
One embodiment disclosed herein is a gain equalizer (80) having a first optical waveguide circuit (11) and a second optical waveguide circuit (21) which are formed on a substrate. Each of the first optical waveguide circuit and the second optical waveguide circuit includes: an input waveguide; N (N is an integer of 3 or more) 2-input 2-output optical multiplexing/demultiplexing circuits; N-1 arm waveguides composed of two waveguides connecting the optical multiplexing/demultiplexing circuits; an output waveguide; and phase shifters (115-1 to 115-(N-1), 215-1 to 215-(N-1)) mounted to at least one of the arm waveguides. The gain equalizer includes: an optical folding structure (31) for inputting light output from the output waveguide of the first optical waveguide circuit to the output waveguide of the second optical waveguide circuit; and electrical wiring (811-1 to 811-(N-1), 821-1 to 821-(N-1)) that electrically connects, in series, the phase shifter of the first optical waveguide circuit and the phase shifter of the second optical waveguide circuit corresponding to the phase shifter of the first optical waveguide circuit.
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour
An optical switch (SW) comprises a plurality of input ports (P1-P4) and a plurality of output ports (Q1-Q4). The plurality of input ports are arranged at equal intervals around a rotation axis, the plurality of output ports are arranged at equal intervals around the rotation axis, the plurality of input ports are configured from a first input port (P1) for external connection and second input ports (P2-P4) for internal connection other than the first input port, and the plurality of output ports are configured from a first output port (Q1) for external connection and second output ports (Q2-Q4) for internal connection other than the first output port. The second input ports and the second output ports are connected by optical fibbers(FB2-FB4), combinations of connections between the input ports and output ports are switched by rotation around the rotation axis, the plurality of input ports and the plurality of output ports are simultaneously connected, and an optical signal propagates between the connected input port and output port.
G02B 6/35 - Optical coupling means having switching means
H04Q 3/52 - Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
96.
OBJECT TRACKING DEVICE, OBJECT TRACKING METHOD, AND PROGRAM
This object tracking device includes a processor that executes processing of acquiring a relationship between an object bbox coordinate group at time T-1 and an object bbox coordinate group at time T by matrix calculation, and associating the object bbox coordinate group at the time T-1 with the object bbox coordinate group at the time T on the basis of the acquired relationship represented by a matrix.
One embodiment of the present invention, on the basis of a communication log which includes text messages conveying a plurality of conversations that took place among a plurality of users, estimates at least one conversation function for each of the messages on the basis of information representing a preset conversation instigation viewpoint, and generates a relationship structure representing the relationship between the conversation functions on the basis of information representing the sequencing of the messages. Thereafter, an action relationship between the conversation functions in the estimated relationship structure is estimated, and a functional model representing a functional structure of a conversation among the users is generated using the relationship structure and the action relationship of the conversation functions.
In this spatial power transmission system, a controller is connected to a wireless communication device that communicates with a power reception device and supplies power to the power reception device, and a power transmission device that spatially transmits power to the power reception device. The power supply area of the power transmission device overlaps at least a part of the communication area of the wireless communication device. The controller causes the power transmission device to supply power to the power reception device when the power reception device is located in the power supply area, and causes the wireless communication device to supply power to the power reception device when the power reception device is located in the communication area outside the power supply area.
H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
H02J 50/30 - Circuit arrangements or systems for wireless supply or distribution of electric power using light, e.g. lasers
H02J 50/40 - Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
In the present disclosure, a controller is connected to a power sending device capable of spatially transmitting power to at least one of a plurality of power reception devices. The controller: estimates the power states of the plurality of power reception devices by using a power generation model; determines, on the basis of a result of the estimation, a power reception device that requires power supply among the plurality of power reception devices; and instructs, on the basis of a result of the determination, the power sending device to supply power to the power reception device that requires power supply among the plurality of power reception devices.
The present disclosure is a controller connected to a wireless communication device, which performs communication with a power reception device and supplies power to the power reception device, and a power transmission device, which spatially transmits power to the power reception device, wherein: a power supply area of the power transmission device overlaps at least part of a communication area of the wireless communication device; and the controller determines a movement destination for the power reception device, selects the wireless communication device or the power transmission device in accordance with the movement destination for the power reception device, and causes the selected wireless communication device or power transmission device to supply power to the power reception device.
H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment