Abstract: According to one embodiment, a route generating device exists in a multi-hop wireless mesh network including a transmission terminal, a destination group including a destination terminal, and a first relay group including a plurality of first wireless communication terminals. The route generating device includes a circuitry and a memory. The circuitry sets one of the plurality of first wireless communication terminals included in the first relay group as a first relay terminal, based on a connectivity in respect to the destination group. Furthermore, the circuitry generates a first route information for the first relay terminal to transfer data to the destination terminal when the first relay terminal receives the data, and transmits the first route information to the first relay terminal. The memory stores the first route information.

Abstract: A packet switch device for a message exchange among a plurality of computing devices, including a message transceiver transmitting and receiving a message, a transmission table storage unit storing a transmission table for determining a computing device to which the message is transmitted, a transmission processor determining the computing device to which the message is transmitted based on a topic address included in the message, a reference processing information receiver receiving a usage status that indicates information used in a calculation process in the computing device, a transmission table compatibility calculation unit calculating compatibility of the transmission table based on the received reference processing information, and a transmission table update unit that updates the transmission table based on the calculated compatibility.

Abstract: According to one embodiment, a memory stores a first information including a positional relationship among a plurality of positional candidates, a second information including an influence on the plurality of positional candidates due to at least any of an attenuation and a reflection of a radio wave by an object located at a periphery of the plurality of positional candidates, and a third information including a first received signal strength indicator of the radio wave transmitted from a first wireless communication device and received by a second wireless communication device. A processor estimates a position of the second wireless communication device from the plurality of positional candidates, based on a first value as the first received signal strength indicator corrected with a first correction value based on the second information, and a plurality of first distances between the first wireless communication device and each of the plurality of positional candidates.

Abstract: An energy management device includes a measurement manager and a communicator. The measurement manager manages energy information based on a physical quantity measured from at least one measurement object belonging to each of a plurality of energy types in a customer. The communicator communicates the energy information of each of the energy types to another device over a network.

Abstract: According to one embodiment of the present invention, there is provided a communication device includes: processing circuitry configured to generate first bitmap data indicating a calculated value of a function based on identifiers of other first communication devices; and a communicator configured to transmit a first message including the first bitmap data.

Abstract: According to one embodiment, a memory stores a first information including a positional relationship among a plurality of positional candidates, a second information including an influence on the plurality of positional candidates due to at least any of an attenuation and a reflection of a radio wave by an object located at a periphery of the plurality of positional candidates, and a third information including a first received signal strength indicator of the radio wave transmitted from a first wireless communication device and received by a second wireless communication device. A processor estimates a position of the second wireless communication device from the plurality of positional candidates, based on a first value as the first received signal strength indicator corrected with a first correction value based on the second information, and a plurality of first distances between the first wireless communication device and each of the plurality of positional candidates.

Abstract: A data processing apparatus in accordance with the embodiment of the present invention includes a reception power data storage, reference data storage, and a processor. The reception power data storage stores reception power data that contains a plurality of reception power values of a radio signal, which is transmitted from the wireless communication apparatus, obtained by a plurality of measurement apparatuses. The reference data storage stores reference data which is used to determine the state of the wireless communication apparatus. The processor determines the state of the wireless communication apparatus, which has transmitted the radio signal, on the basis of the reception power data and reference data.

Abstract: A power-saving control apparatus includes a memory storing first to Nth different authentication codes, determines, every time a signal including an authentication code is received, whether the authentication code in the received signal is a valid code which matches one of the authentication codes in the memory, outputs an operation signal to a main apparatus when the authentication code in the received signal is determined to be the valid code, and generates a new authentication code, when (a) the number of times the authentication code in each received signal matches a first authentication code of the authentication codes in the memory is equal to a predetermined value or (b) the authentication code in the received signal matches a second or subsequent authentication code of the authentication codes in the memory, to delete one of the authentication codes in the memory, and to store the new authentication code in the memory.

Abstract: According to one embodiment, a communication apparatus includes a congestion degree calculating unit and an operation mode setting unit. The congestion degree calculating unit calculates a third congestion degree related to wireless communication based on a first congestion degree of first wireless communication and a second congestion degree of second wireless communication. In the first wireless communication, peer-to-peer communication is performed directly between communication apparatuses, and in the second wireless communication, communication is performed through a wireless communication device. The operation mode setting unit switches an operation mode of the first wireless communication based on the third congestion degree to either of a mode in which the communication apparatus transmits content or a mode in which the communication apparatus receives content.

Abstract: A transmitting apparatus includes a first communicator, a designator, and a second communicator. The first communicator sends out a message by wireless broadcast communication to plural first communication apparatus, being located within a wireless communication range of the first communicator, of plural communication apparatus that have a wireless broadcast communication function and that constitute a wireless multi-hop network. The designator designates a second communication apparatus that is located outside the wireless communication range of the first communicator and that can establish a first communication channel, from among the plural communication apparatus having a the wireless broadcast communication function. The second communicator is wider in a communication range than the first communicator. The second communicator establishes the first communication channel with the second communication apparatus designated by the designator.

Abstract: A wireless communication device includes a manager, a receiver, an updater, and a transmitter. The manager manages first-type confirmation information which represents information enabling confirmation of whether or not each of a plurality of wireless communication devices is operating normally and which indicates that at least a part of the plurality of the wireless communication device is operating normally. The receiver receives, from one of the plurality of wireless communication device, second-type confirmation information which enables confirmation of whether or not each of the plurality of wireless communication devices is operating normally. The updater updates, using the second-type confirmation information, the first-type confirmation information in such a way that the first-type confirmation information indicates the wireless communication devices that are indicated to be operating normally in at least either the first-type confirmation information or the second-type confirmation information.

Abstract: According to an embodiment, a communication device includes a determiner, an extractor, and an identifier. The determiner is configured to determine whether received data is addressed to the communication device. The extractor configured to extract data satisfying a determination criterion for setting data as relay data, from received data determined not to be addressed to the communication device. The identifier is configured to identify, as relay data, received data determined to be addressed to the communication device and the extracted data.

Abstract: According to one embodiment, a wireless communication device includes: a receiver, processing circuitry and a transmitter. The receiver receives a first frame having first to M-th destination ID fields related to first to M-th data selection conditions and a data field, the data field including first to N-th data related to first to N-th wireless communication devices wherein M is an integer equal to or greater than 2 and N is an integer equal to or greater than 1. The processing circuitry selects at least one of the first to N-th data based on the data selection condition related to the destination ID field including an identifier of the self-wireless communication device among the first to M-th destination ID fields. The processing circuitry creates a second frame having a data field including the data selected. The transmitter transmits the second frame.

Abstract: According to an embodiment of the present invention, a radio-apparatus-disposition estimation device includes a processor configured to execute a program to provide at least: a first acquirer, a second acquirer, and a calculator. The first acquirer acquires first information concerning communication among a respective plurality of radio apparatuses or radio waves transmitted and received among the respective plurality of radio apparatuses. The second acquirer acquires setting position candidates of the plurality of radio apparatuses. The calculator calculates, on the basis of the first information and the setting position candidates, one or a plurality of estimated patterns in which setting positions of the radio apparatuses are identified as different ones of the setting position candidates.

Abstract: According to an embodiment, a control device is connected to a network including sensor terminals having wireless communication function. The control device includes a collecting unit, a calculating unit, a deciding unit, and a communication control unit. The collecting unit collects, from the sensor terminals, electrical power data containing, from among amount of stored electricity and electric-generating capacity of the sensor terminal, at least the amount of stored electricity and containing relationship information of a communicable sensor terminal. The calculating unit generates, based on the relationship information, relay path candidates for communication data and calculates, for the relay path candidates, power consumption of the sensor terminal. The deciding unit decides on a relay path for communication among the sensor terminals based on the calculated power consumption and the collected electrical power data.

Abstract: The present invention provides a superelastic alloy formed by addition of Fe or Co to an Au—Cu—Al alloy, including: Cu of 12.5% by mass or more and 16.5% by mass or less; Al of 3.0% by mass or more and 5.5% by mass or less; Fe or Co of 0.01% by mass or more and 2.0% by mass or less; and a balance Au, and a difference between Al content and Cu content (Cu—Al) is 12% by mass or less. The superelastic alloy according to the present invention has superelastic property while being Ni-free, excellent X-ray imaging property, processability, and strength property, and is suitable for a medical field.

Abstract: A positioning target terminal according to an embodiment includes a wireless communicator and a positioning calculator. The wireless communicator has a connection function and time synchronization function with the positioning node, and acts as a master of time synchronization. The positioning calculator performs a positioning calculation based on a reception time of a sound wave transmitted from the positioning node or a reception time of a sound wave received by the positioning node.

Abstract: According to some embodiments, there is provided a power electronics device including: a controlling unit, a determining unit, a confirming unit and a determining unit. The controlling unit performs surveillance/control concerning an input/output of power to a power line with other power electronics devices connected via the power line. The determining unit determines a master device which is a subject of the surveillance/control and a slave device which is controlled by the master device, based on power characteristic information of the other power electronics devices from among the other power electronics devices and the power electronics device. The confirming unit confirms whether the master device and the slave device determined by the determining unit are matched with the master device and the slave device determined by the other power electronics devices. The determining unit permits a start of the surveillance/control when matching is determined by the confirming unit.

Abstract: According to an embodiment, a wireless communication device includes a determiner, and an executor. The determiner is configured to determine whether the wireless communication device can continue operation by a stored electric power in which remaining capacity changes according to operation of the wireless communication device for a predetermined period, based on information including an operation timing associated with a cycle in which a management server. The executor is configured to execute an operation in which the data is transmitted and received between the other wireless communication device and the management server via the wireless communication device when the wireless communication device is able to continue the operation, and otherwise, cause the wireless communication device to move into intermittent operation and causes the other communication device to transmit the data to the management server not via the wireless communication device.

Abstract: According to an embodiment, a communication apparatus includes a receiver, a first beacon processor, a second beacon processor, and an authentication processor. The receiver receives a first beacon transmitted over a wireless network while being protected by a first common key and a second beacon transmitted over the wireless network while not being protected by the first common key. The first beacon processor accesses the wireless network using information contained in the first beacon when the first common key is provided. The second beacon processor accesses the wireless network using information contained in the second beacon when the first common key is not provided. The authentication processor performs connection authentication to the wireless network using information contained in the second beacon and acquires the first common key.