Abstract: To provide a head-up display device that may reduce distortions of displayed virtual images while reducing loads on a control unit. A head-up display outputs display light to a windshield mounted on a vehicle to display virtual images and includes a display device including a display surface that outputs the display light, and a prism that transmits the display light output from the display surface, and the prism includes an incidence surface on which the display light from the display surface is incident, and an output surface that outputs the display light incident on the prism from the incidence surface.

Abstract: An object of the present disclosure is to perform automatic restoration from network failures even when complicated operations for executing a plurality of commands are required. The present disclosure relates to a network setting device that is communicatively connected to a plurality of network devices and performs a setting of the plurality of network devices. The network setting device performs a first step for determining whether a network including the plurality of network devices satisfies a predetermined operational policy.

Abstract: A connection optimization device that optimizes connections between a plurality of FXC switches for switching connections of optical fibers includes a optimization unit for receiving, as inputs, a number k of FXC switches, a number n of sending/receiving ports, and a connection probability matrix C of the sending/receiving ports and swapping rows and columns of the connection probability matrix C so as to maximize an expected value D in which a connection probability using a short path connecting between the sending/receiving ports connected in the same FXC switch becomes the largest, and a swapping port information output unit for outputting difference information between the connection probability matrix C and the optimization matrix C* in which the rows and the columns are swapped by the optimization unit.

Abstract: An orchestrator includes: a communication request reception unit that receives a communication requirement from a first computer; an optical transport NW design unit that determines an optical path to be used for communication based on the communication requirement and a state of an optical transport path of an optical transport network and calculates setting information to be set to an optical network device of each of a plurality of nodes to construct the optical path; a result output/transmission unit that transmits the setting information to the optical network device to each of the plurality of nodes; and an ACK transmission unit that transmits the setting completion notification to the first computer after receiving a setting completion response of the setting information from the plurality of nodes .

Abstract: Provided are a reliability estimation system and a reliability estimation method capable of reducing a calculation amount of a reliability of a plurality of networks between terminals in communication between the terminals over the plurality of networks. The reliability estimation system according to the present invention calculates, for each network, a contraction reliability Rx, a contraction reliability Rx? when nodes are contracted, and a contraction reliability RB? between the networks including the terminals, and a true value of the reliability between the terminals over the plurality of networks is between a product P1 (=RB? Rx) and a product P2 (=RB? Rx?). Instead of calculating the true value of the reliability, only an upper limit and a lower limit are calculated, and thus, it is possible to significantly low additional remark the calculation amount.

Abstract: An object of the present disclosure is to search for a command sequence, while preventing overlooking as much as possible, in a shorter period of time than that of searching using only an actual system is used. The present disclosure provides an execution procedure searching device that searches for a command sequence to be set for a plurality of devices constituting a system.

Abstract: An object of the present disclosure is to perform automatic restoration from network failures even when complicated operations for executing a plurality of commands are required. The present disclosure relates to a network setting device that is communicatively connected to a plurality of network devices and performs a setting of the plurality of network devices. The network setting device performs a first step for determining whether a network including the plurality of network devices satisfies a predetermined operational policy.

Abstract: An object of the present disclosure is to provide a communication system and a terminal capable of predicting future communication quality to respond to change in communication quality due to environmental fluctuation.

Abstract: It is an objective of the present disclosure to reduce computational complexity for obtaining a network topology configuration capable of efficiently accommodating a plurality of traffic demands assumed between nodes present in a network. A device of the present disclosure includes: a computation traffic generation unit that creates a traffic demand matrix whose elements are values individually obtained by demands between nodes present in a target network area from a plurality of traffic demand matrices created based on predicted traffic demands between the nodes; and a network topology generation unit that generates a network topology based on the traffic demand matrix generated by the computation traffic generation unit and port information of the nodes in the network area.

Abstract: An object is to provide a communication system and a terminal capable of predicting future communication quality in order to enable variations in communication quality due to variations in environment to be addressed. A communication system and a terminal according to the present invention learn an input and output relationship from terminal information such as surrounding environment information of the terminal that can be acquired by a camera, a sensor, or the like, and position information of the terminal and current communication quality to generate a learning model, and predict future communication quality using the learning model, the surrounding environment information and the terminal information.

Abstract: An object is to provide a wireless terminal and a communication quality prediction method for enhancing the versatility of communication quality prediction. In the wireless terminal and the communication quality prediction method according to the present invention, objects are extracted from surrounding environment information such as a camera image collected by a surrounding environment information collection unit, the objects are classified into predetermined categories (for example, whether the extracted objects are persons or machines or whether their moving speeds are high or low), and an image is reconstructed for each category. It is possible to predict communication quality based also on, for example, operations or materials of the objects, by performing machine learning of the communication quality after reconstructing the image for each category.

Abstract: Provided are a reliability estimation system and a reliability estimation method capable of reducing a calculation amount of a reliability of a plurality of networks between terminals in communication between the terminals over the plurality of networks. The reliability estimation system according to the present invention calculates, for each network, a contraction reliability Rx, a contraction reliability Rx? when nodes are contracted, and a contraction reliability RB? between the networks including the terminals, and a true value of the reliability between the terminals over the plurality of networks is between a product P1 (=RB? Rx) and a product P2 (=RB? Rx?). Instead of calculating the true value of the reliability, only an upper limit and a lower limit are calculated, and thus, it is possible to significantly low additional remark the calculation amount.

Abstract: An object of the present disclosure is to propose a technique to enumerate intermediate configurations at high speeds. A configuration enumeration device 10 according to the present disclosure enumerates a network configuration in an input layer 21, an intermediate layer 22, and an output layer 23 that minimizes the number of mechanical patch panels provided in mechanical patch panels, by using a-quasi-nonblocking configurations, where a being 0 indicates a rearrangeably nonblocking configuration and ? being 1 indicates a strictly nonblocking configuration, for 0???1, when a minimum value C of wiring capacity of mechanical patch panels having the input layer 21, the intermediate layer 22, and the output layer 23 is obtained.

Abstract: An object is to provide a communication system and a base station capable of predicting future communication quality in order to enable variations in communication quality due to variations in environment to be addressed. A communication system and a base station according to the invention learn an input and output relationship from surrounding environment information of the base station that can be acquired by a camera, a sensor, or the like, terminal information such as position information of a terminal and current communication quality to generate a learning model, and predict future communication quality using the learning model, the surrounding environment information, and the terminal information.

Abstract: Quality of communication between a terminal and an external communication device in response to control of the terminal is predicted by acquiring surrounding environment information or/and terminal information of the terminal, and the terminal is controlled to improve the communication quality, avoid fatal communication quality degradation, or satisfy a control condition of the terminal for the communication quality, thereby realizing control that satisfies a predefined required condition related to communication.

Abstract: An event regarding control of a terminal that significantly affects communication quality with which communication between between the terminal and an external communication device is performed is predicted by acquiring surrounding information of the terminal using a surrounding environment information collection unit, and a packet loss caused in communication, communication disconnection, and communication quality that does not meet required performance are prevented using communication control to change setting related to communication, such as selection/addition/deletion of a communication counterpart, selection/change of a communication scheme, a change in modulation scheme, coding rate, and number of spatial multiplexings of communication, and a change in setting of an automatic gain controller of a receiver for communication.

Abstract: An object is to provide a network design evaluation method, a network design evaluation apparatus, and a program with the ZDD algorithm for finding all edge-disjoint paths in a given graph G within a finite time. A network design evaluation method according to the present invention includes extracting all paths for each specified pair of vertices in a given graph in the frontier-based search, representing a set of paths having, as elements, the paths extracted for each pair of vertices in a ZDD, and performing a disjoint join operation for all the sets of paths represented in ZDDs, to thereby extract edge-disjoint paths.

Abstract: The route control method and the route setting device according to the present invention is configured such that a learning unit is prepared for each path, a function form of the learning unit of the path in forwarding a packet is adjusted by having traffic information (packet arrival rate, queue length, and the like) and congestion information (congested or not congested) of this path as teacher data, and when this path is congested, changing to a path with an output of no congestion among the learning units is executed. Thus, since the learning unit optimizes the function form, changing to an alternative path can be immediately executed even when the congestion incidentally occurs on the path.

Abstract: A shared terminal, includes circuitry to control a display to display an image to a plurality of users, the plurality of users sharing a use of the shared terminal; and a network interface to communicate with a terminal management server and a destination management server through a network. The circuitry obtains, from a first privately-owned terminal owned by a first user, first terminal identification information for identifying the first privately-owned terminal. Under control of the circuitry, the network interface transmits the first terminal identification information to a terminal management server; receives first user identification information from a terminal management server; transmits the first user identification information to the destination management server; receives a first email address of the first user from the destination management server; and transmits an email whose sender email address is the first email address.

Abstract: An electronic whiteboard to display visual information including handwritten data superimposed with a display image, includes a unit to authenticate a user; a unit to obtain user identification information for identifying the user in case where authentication of the user has succeeded; a unit to store the visual information associated with the user identification information; a unit to read the visual information associated with the user identification information; a unit to display the visual information; a unit to set a mail address of the electronic whiteboard as a transmission source, and to transmit the visual information to a specified destination by an e-mail; a unit to store the mail address of the user associated with the user identification information; and a unit to replace the transmission source by using the specified mail address of the user if the authentication of the user has succeeded.