Abstract: A base station that includes a memory for storing computer readable code and a processor operatively coupled to the memory is provided herein. The processor is configured to transmit, to a terminal apparatus, information associated with communication delays predicted for communication between the base station and the terminal apparatus. The terminal apparatus acquires the information associated with the communication delays from the base station.

Abstract: A communication system is a communication system provided in a mobile body and including an acquirer configured to acquire a destination of the mobile body and a position of the mobile body, and a communicator configured to communicate with a communication device outside the mobile body using an antenna, in which the communicator is configured to set a reception sensitivity of the antenna when the position of the mobile body approaches to within a predetermined distance from the destination of the mobile body to be higher than a reception sensitivity of the antenna before the position of the mobile body approaches to within the predetermined distance.

Abstract: Provided is a control apparatus including a connection control unit configured to control communication connection with a mobile station, and a handover control unit configured to carry out, in a case where the mobile station is a mobile station of a predetermined type, control over handover of the mobile station to a cell in a frequency band that is predetermined as a frequency band corresponding to the mobile station of the predetermined type.

Abstract: According to an aspect, a communication device includes a communicator configured to perform communication with a base station and a plurality of access points having narrower communication ranges than the base station, a first acquirer configured to acquire vehicle information from equipment mounted in a vehicle, a second acquirer configured to acquire information about communication quality for each of the plurality of access points, a third acquirer configured to acquire a communication requirement for each piece of the vehicle information acquired by the first acquirer, and a selector configured to select an access point that transmits the vehicle information acquired by the first acquirer on the basis of the information about the communication quality acquired by the second acquirer and the communication requirement acquired by the third acquirer.

Abstract: A base station, a terminal device, a control method, and a program for communication handover are provided. First information indicating one or more base stations which are candidates for a handover destination of a terminal device in connection from a base station, is acquired. Second information regarding communication quality predicted in a communication through a candidate base station for each of the candidate base stations is acquired based on the first information. Third information regarding the communication quality for at least one of the candidate base stations is notified to the terminal device based on the second information. The third information is used to handover of the terminal device.

Abstract: To provide a relay apparatus for relay communication between a wireless base station and a communication terminal, the relay apparatus including: a relay function management switch for switching from on to off a relay function for relaying communications between the wireless base station and the communication terminal based on the satisfaction of a predetermined condition; and a signal transmitter for transmitting, to the communication terminal, establishing a wireless communication connection with the relay apparatus, a signal to execute handover to a handover destination which is identified before the predetermined condition has been satisfied if the predetermined condition has been satisfied.

Abstract: Provided is a communication apparatus including: a position information acquisition unit configured to acquire moving object position information regarding a current position of a first moving object on which the communication apparatus is mounted; a reception unit configured to receive distribution information; a transmission unit configured to transmit the distribution information to a second moving object; and a communication relay unit configured to relay communication between an external terminal and an external network.

Abstract: A communication system is provided, including: an acquiring unit for acquiring quality information on a wireless communication quality between a wireless base station and a movable mobile relaying apparatus that relays communications between the wireless base station and wireless communication terminals; and a transmitting unit for transmitting the quality information to the wireless communication terminals. In addition, an information processing method performed by a computer is provided, the method including: acquiring quality information on a wireless communication quality between a wireless base station and a movable mobile relaying apparatus that relays communications between the wireless base station and wireless communication terminals; and transmitting the quality information to the wireless communication terminals.

Abstract: A communication device, comprising: communication-part communicates with external device by first-communication-system provided at first-access-point or by second-communication-system provided at second-access-point, determination-part dynamically determines communication priority level of host device with respect to each of first and/or second-access-point; and communication controller transmits information including communication priority level and moving body information with respect to each of first and second-access-points, communication controller communicates with external device through first-communication-system in accordance with communication priority level determined at first-access-point or second-communication-system in accordance with communication priority level determined at second-access-point, communicates in accordance with communication priority level determined at second-access-point when the communication is switched from first-access-point to second-access-point, and communicates in ac

Abstract: A vehicle control apparatus includes a processor executing a communication control process of performing vehicle-to-vehicle communication, a data reception process of receiving and saving, in a storage unit, file data transmitted from a communication destination vehicle by the vehicle-to-vehicle communication, and an incompletely received file data management process of, in a case where the vehicle-to-vehicle communication is disconnected after reception of the file data by the data reception process is started and before the reception of the file data completes, setting, in accordance with a state of a predetermined parameter, at least one of an upper limit of a period for saving in the storage unit and a priority level for deleting from the storage unit for partial data of the file data saved in the storage unit.

Abstract: An information processing device provided in a mobile object, including: a processor for obtaining, while a communication unit connects to a first access point and executes wireless communication through the first access point, information representing a first communication quality being communication quality for wireless communication between the communication unit and the first access point, and information representing a second communication quality being communication quality for wireless communication between the communication unit and a second access point, switching, if a difference between the second communication quality and the first communication quality is greater than a predetermined quality reference value, a connection target of the communication unit from the first access point to the second access point, and preventing, such that the faster a moving speed of the mobile object is, the less often switching of the connection target occurs.

Abstract: Provided is a communication system, comprising: a duration time acquiring unit that acquires a first communication duration time, which is a communication duration time of a communication terminal in service of a first communication apparatus, and a second communication duration time, which is a communication duration time of a communication terminal in service of a second communication apparatus; a determining unit that determines whether or not a base station frequency band of the first communication apparatus and a base station frequency band of the second communication apparatus overlap; and a control unit that limits transmission of radio signals in the base station frequency band by the first communication apparatus or the second communication apparatus based on comparison between the first communication duration time and the second communication duration time when the determining unit determines that the base station frequency bands overlap.

Abstract: A communication control apparatus provided in a movable object acquires, while a communication unit communicates with a first access point, information indicating a communication quality with a second access point for which an authentication different from that for the first access point is required, acquires authentication information by maintaining the communication between the communication unit and the first access point and also executing authentication processing for the second access point when the communication quality with the second access point exceeds a first threshold while the communication unit communicates with the first access point, and holds the authentication information. The communication control apparatus starts wireless communication with the second access point by using the held authentication information when the communication quality with the second access point is higher than a communication quality with the first access point.

Abstract: A communication control device includes an acquisition part configured to acquire vehicle information, which is information related to a vehicle and which is to be transmitted to an external device outside the vehicle from one or more on-vehicle instrument mounted on the vehicle, a determination part configured to determine a first communication priority level of the vehicle information on the basis of at least the vehicle information acquired by the acquisition part for each vehicle information, a first controller configured to cause a communication part to transmit information showing the first communication priority level determined by the determination part to a radio base station to which the communication part accesses to communicate with the external device, and a second controller configured to cause the communication part to perform communication of the vehicle information with the radio base station with a second communication priority level received from the radio base station.

Abstract: According to an aspect, an in-vehicle communication device includes a transmitter configured to transmit own vehicle notification information generated by an own vehicle to a nearby area, a receiver configured to receive other vehicle notification information transmitted by each of one or more other vehicles, a storage device storing a program; and a hardware processor. The hardware processor executes the program stored in the storage device to determine the other vehicle which is to communicate with the own vehicle based on one or both of the own vehicle notification information transmitted by the transmitter and the other vehicle notification information received by the receiver. The own vehicle notification information includes identification information of the own vehicle and indicator values associated with communication with the one or more other vehicles acquired by the own vehicle.

Abstract: A communication system is provided, including: an acquiring unit for acquiring quality information on a wireless communication quality between a wireless base station and a movable mobile relaying apparatus that relays communications between the wireless base station and wireless communication terminals; and a transmitting unit for transmitting the quality information to the wireless communication terminals. In addition, an information processing method performed by a computer is provided, the method including: acquiring quality information on a wireless communication quality between a wireless base station and a movable mobile relaying apparatus that relays communications between the wireless base station and wireless communication terminals; and transmitting the quality information to the wireless communication terminals.

Abstract: A control system includes: a mobile object controller configured to control a mobile object; and a communications controller configured to control mobile communications via a mobile communications network. When the communications controller requests attachment to the mobile communications network and acquires rejection information of the attachment to the mobile communications network having been rejected, the communications controller is configured to notify the mobile object controller that the attachment has been rejected. A control method includes: requesting attachment to a mobile communications network; and when rejection information of the attachment to the mobile communications network having been rejected is acquired, notifying a mobile object controller connected to a network inside a mobile object and configured to control the mobile object that the attachment has been rejected.

Abstract: The communication device collects information regarding the communication quality of communication by the first other communication device and information regarding the type of the first other communication device; and transmits information regarding the communication quality corresponding to at least one of the types along with the information regarding the types to a second other communication device based on the information collected.

Abstract: There is provided a relay device for relaying communication between a radio base station and a communication terminal, the relay device including a relay function management switch that switches on and off a relay function for relaying communication between a radio base station and a communication terminal of a relay means; and a change command transmitter that transmits, to the communication terminal, a change command of a handover threshold for the communication terminal establishing a wireless communication connection with the relay device when the relay function management switch switches the relay function off.

Abstract: A communication control device controls wireless communication of a mobile object.