Abstract: According to the present embodiment, a control device comprises a first processor, a switching manager, and a second processor. The first processor is configured to execute control of a next control period on basis of control information having been changed during a current control period. The switching manager is configured to transmit to the first processor a switching notification for instructing switching to the first processor. The second processor is configured to use second software different from first software to be capable of executing control of a device by repeating a predetermined control period. The second processor uses at least the changed control information before a switching completion time as a time point where a currently processing control period ends to start control of the device in a next control period when control of the device in the next control period is executable.

Abstract: According to the present embodiment, a transmission/reception device includes a connecter and a determiner. The connecter is configured to establish a communication link with a communication counterpart via a network. The determiner is a determiner configured to determine a state of the communication link and to cause the connector to switch the communication link to be another communication link when the communication link is in a predetermined state.

Abstract: According to the present embodiment, a server device comprises a communicator, a determiner, and a control operation part. The communicator sequentially receives a plurality of first packets each including a same first signal with respect to each of different pieces of connection information via a network. The determiner determines whether the first signal included in each of the first packets has been already received. The control operation part generates a second signal corresponding to the first signal when the first signal is determined not to have been already received based on the determination.

Abstract: According to one embodiment, an information processing apparatus includes a processor. The processor is configured to acquire first received power measured by a moving vehicle at a first position of the moving vehicle which receives a first signal which is a radio wave, and acquire a coefficient which associates the acquired first received power with a radio wave shielding state in an environment including a second position different from the first position.

Abstract: In a multi-hop network including a wireless relay device and a gateway device, the wireless relay device includes a determination unit which determines whether a wireless device connected to the wireless relay device supports a routing protocol of the multi-hop network, and a notification unit which notifies the gateway device or another wireless relay device in the multi-hop network of information for identifying the wireless device when the determination unit determines that the wireless device does not support the routing protocol.

Abstract: According to one embodiment, a radio wave information management system includes an information stored unit, a radio wave information determination unit, and a route setting unit. The information stored unit stores radio wave information, and location information and time information associated with the radio wave information. The radio wave information determination unit sets reliability information for the radio wave information based on at least one of the location information and the time information. The route setting unit sets a route of a mobile object based on the reliability information.

Abstract: According to one embodiment, an electronic apparatus includes a processor. The processor generates data of a missing part on a radio wave map to which data relating to received power of a radio signal at points in a predetermined geographical range is mapped based on a status of a propagation path between a first wireless device configured to travel in the predetermined geographical range and a second wireless device configured to form a wireless communication area including the predetermined geographical range.

Abstract: A wireless communication apparatus which can simultaneously conduct communication on at least two frequency channels is described. The apparatus includes a communication unit which refers to a connection management table to determine a communication system which can be used by a wireless communication terminal using an identifier of the wireless communication terminal, and conducts communication with the wireless communication terminal on a second frequency channel using the communication system, when a request from the wireless communication terminal to change the first frequency channel to the second frequency channel is permitted.

Abstract: According to one embodiment, a base station communicably connected to a wireless terminal is provided. The base station includes a processor and a transmitter. The processor is configured to acquire communication condition information indicating conditions of wireless communication with the wireless terminal. The transmitter is configured to transmit the communication condition information to a system managing a first network slice and a second network slice which can be used by the base station.

Abstract: A wireless communication apparatus which can simultaneously conduct communication on at least two frequency channels is described. The apparatus includes a communication unit which refers to a connection management table to determine a communication system which can be used by a wireless communication terminal using an identifier of the wireless communication terminal, and conducts communication with the wireless communication terminal on a second frequency channel using the communication system, when a request from the wireless communication terminal to change the first frequency channel to the second frequency channel is permitted.

Abstract: According to one embodiment, a wireless communication apparatus includes transmitter circuitry, receiver circuitry and processing circuitry. The processing circuitry is configured to determine, based on a first acknowledgement frame and a second acknowledgement frame, a first data frame received by a first wireless communication apparatus and not received by a second wireless communication apparatus among data frames. The processing circuitry is configured to determine that the transmitter circuitry transmits at least one of the first data frame and a second data frame to the second wireless communication apparatus, and the first wireless communication apparatus transmits the first data frame to the second wireless communication apparatus.

Abstract: According to one embodiment, an electronic apparatus includes a transmitter. The transmitter transmits data to be transmitted to a third wireless communication apparatus and a first wireless signal to instruct transmission of the data to the third wireless communication apparatus, to the first and second wireless communication apparatuses. The transmitter transmits, if any second wireless signal transmitted from the first or second wireless communication apparatuses is not detected within a first period after transmission of the first wireless signal, a third wireless signal to instruct transmission of the data to the third wireless communication apparatus to the first and second wireless communication apparatuses in order to instruct retransmission of the data.

Abstract: According to one embodiment, a wireless apparatus determines a state of a first wireless link with a first mobile station and a state of a second wireless link with a second mobile station in a first communication mode, and transmits a first signal to the first and the second mobile stations in accordance with the states of the first and the second wireless links. In response to the first signal, the first communication mode is changed to a second communication mode in which the wireless apparatus communicates with the second mobile station via a direct communication between the first and the second mobile stations.

Abstract: According to one embodiment, a wireless relay device in a multi-hop network including at least a gateway device, the wireless relay device comprises a determination unit configured to determine whether a wireless device connected to the wireless relay device supports a routing protocol of the multi-hop network, and a notification unit configure to notify the gateway device or another wireless relay device in the multi-hop network of information for identifying the wireless device when the determination unit determines that the wireless device does not support the routing protocol.

Abstract: According to one embodiment, a wireless device includes an identification information generation unit, a framing unit, and a transmission unit. The identification information generation unit generates identification information for identifying a packet among all other flooding packets to be relayed on the wireless network by arithmetic processing. The framing unit generates a wireless frame when a packet is transmitted to another wireless device as an origin node. The wireless frame includes the packet and the identification information generated by the identification information generation unit. The transmission unit transmits the wireless frame including the packet and the identification information generated by the identification information generation unit.

Abstract: According to one embodiment, an authentication device includes a memory and a processor. The memory stores a private key used for wireless communication executed by using each of network slices. The processor transmits a first random number for updating a first private key used for the wireless communication executed by using a first network slice and use start timing information regarding use start timing of the updated first private key to the wireless communication device by using a second network slice. The first private key updated based on the first random number is stored in the memory, and used for the wireless communication between a base station and the wireless communication device based on the use start timing.

Abstract: According to one embodiment, a wireless communication apparatus includes a transmitter. The transmitter transmits, in a first period, a first information frame. The first information frame includes first, verification information and a first key usable in the first period. The transmitter transmits, in the first period and after transmitting the first information frame, a data frame including first data. The transmitter transmits, in the first period and after transmitting the first information frame, a second information frame. The data frame includes a fourth key usable in a second period following the first period. The transmitter transmits, in the second period, a third information frame including third verification information and the fourth key.

Abstract: A wireless communication apparatus which can simultaneously conduct communication on at least two frequency channels is described. The apparatus includes a communication unit which refers to a connection management table to determine a communication system which can be used by a wireless communication terminal using an identifier of the wireless communication terminal, and conducts communication with the wireless communication terminal on a second frequency channel using the communication system, when a request from the wireless communication terminal to change the first frequency channel to the second frequency channel is permitted.

Abstract: A wireless communication apparatus which can simultaneously conduct communication on at least two frequency channels is described. The apparatus includes a communication unit which refers to a connection management table to determine a communication system which can be used by a wireless communication terminal using an identifier of the wireless communication terminal, and conducts communication with the wireless communication terminal on a second frequency channel using the communication system, when a request from the wireless communication terminal to change the first frequency channel to the second frequency channel is permitted.

Abstract: According to one embodiment, a wireless apparatus determines a state of a first wireless link with a first mobile station and a state of a second wireless link with a second mobile station in a first communication mode, and transmits a first signal to the first and the second mobile stations in accordance with the states of the first and the second wireless links. In response to the first signal, the first communication mode is changed to a second communication mode in which the wireless apparatus communicates with the second mobile station via a direct communication between the first and the second mobile stations.