Abstract: A communication controller includes a position-information acquiring unit, a movement-information acquiring unit, a selector, and a determination unit. The position-information acquiring unit acquires position information of each of a plurality of base-station devices. The movement-information acquiring unit acquires movement information of a terminal device. The selector selects, as a handover candidate, at least one base-station device from among the plurality of base-station devices in accordance with the position information and the movement information. The determination unit determines a base-station device that is a handover destination, in accordance with a result of a cell search performed on the at least one base-station device selected by the selector.

Abstract: A communication system is for improving utilization efficiency of radio resources. The communication system includes a base station device and a plurality of terminal devices that communicate with the base station device. The base station device includes a first control unit that assigns radio resources including at least one or more resource blocks to at least one of the plurality of terminal devices. The at least one of the plurality of terminal devices comprises a second control unit that transmits transmission data by using at least some of the radio resources assigned to the at least one of the plurality of terminal devices.

Abstract: A communication controller includes a position-information acquiring unit, a movement-information acquiring unit, a selector, and a determination unit. The position information acquiring unit acquires position information of each of a plurality of base-station devices. The movement-information acquiring unit acquires movement information of a terminal device. The selector selects, as a handover candidate, at least one base-station device from among the plurality of base-station devices in accordance with the position information and the movement information. The determination unit determines a base-station device that is a handover destination, in accordance with a result of a cell search performed on the at least one base-station device selected by the selector.

Abstract: A communication system includes a base station apparatus, a mobile station apparatus, and a communication device. The base station apparatus performs communication with one or a plurality of the communication devices via the mobile station apparatus. The mobile station apparatus includes a first mobile station communicator that performs first communication with the base station apparatus, a second mobile station communicator that performs second communication with the communication device, and a mobile station controller that acquires a device type of the communication device and, on the basis of the device type thus acquired, generates request information for requesting the base station apparatus for a communication control configuration of the first communication.

Abstract: A communication system is for improving utilization efficiency of radio resources. The communication system includes a base station device and a plurality of terminal devices that communicate with the base station device. The base station device includes a first control unit that assigns radio resources including at least one or more resource blocks to at least one of the plurality of terminal devices. The at least one of the plurality of terminal devices comprises a second control unit that transmits transmission data by using at least some of the radio resources assigned to the at least one of the plurality of terminal devices.

Abstract: A relay station apparatus includes a communication unit configured to wirelessly communicate with a terminal apparatus and a base station apparatus, respectively, a first communication control unit configured to control communication with the base station apparatus, and a second communication control unit configured to control communication with the terminal apparatus. The first communication control unit measures a radio environment based on measurement control information received from the base station apparatus and determines whether to change the base station apparatus based on a measurement result of the radio environment. When determining that the base station apparatus need to be changed, the first communication control unit starts processing for changing the base station apparatus.

Abstract: A communication system includes a base station apparatus, a mobile station apparatus, and a communication device. The base station apparatus performs communication with one or a plurality of the communication devices via the mobile station apparatus. The mobile station apparatus includes a first mobile station communicator that performs first communication with the base station apparatus, a second mobile station communicator that performs second communication with the communication device, and a mobile station controller that acquires a device type of the communication device and, on the basis of the device type thus acquired, generates request information for requesting the base station apparatus for a communication control configuration of the first communication.

Abstract: A terminal device includes: a communication unit; and a control unit. The control unit transmits a measurement result relating to a radio wave environment and connection switching means information indicating which of two or more means of connection switching to another base station device is used to a first base station device through the communication unit, receives instruction information corresponding to the transmitted connection switching means information from the first base station device through the communication unit, and performs connection with a second base station device based on the instruction information.

Abstract: A UE performs communication with another UE. A UE detects another communication different from the communication. The UE has a predetermined communication resource selection rule stored therein. The UE controls the communication. When the other communication is detected, the UE selects a communication resource based on the stored communication resource selection rule. This allows radio waves to be utilized efficiently.

Abstract: A UE, which is a mobile terminal, is capable of a device-to-device communication. The UE displays, on a display unit, an LTE antenna picto based on a reception level of a radio wave transmitted by a base station, and a D2D antenna picto based on a reception level of a radio wave transmitted by a UE over the device-to-device communication. According to the UE, the reception level of the radio wave in the device-to-device communication can be immediately confirmed, as well as a reception level of a radio wave in communication with the base station.

Abstract: A wireless communication system is provided in which a plurality of MTC devices can connect to a base station device efficiently. Each of MTC devices in group A that transmits data to the base station device using a predetermined application format is allocated first radio resource common in group A. The MTC device transmits an access request signal to the base station device using the first radio resource. The base station device receives the request signal from the MTC device. The base station device allocates second radio resource common in group A to the MTC device. The MTC device transmits data to the base station device using the second radio resource.

Abstract: A plurality of MTC devices can connect to a base station device efficiently. The base station device allocates first radio resource for allowing transmission of data to, among MTC devices in a predetermined group that transmit data to the base station device using a common application data format, communication devices having a path loss less than a threshold for notification information transmitted from the base station device. The base station device allocates second radio resource for allowing transmission of data to communication devices having the path loss equal to or greater than the threshold. The communication devices having the path loss less than the threshold transmit the data to the base station device using the first radio resource. Each of the communication devices having the path loss equal to or greater than the threshold transmit the data to the base station device using the second radio resource.

Abstract: A wireless communication apparatus obtains information on a communication performance when selecting a power saving mode. A wireless communication apparatus performing communication while selecting a power saving mode (power efficient) in which a power consumption is small or an operation mode (for example, normal mode: normal) other than the power saving mode, includes: a communication control part 32 that acquires power saving operation parameters in a case of operating in the power saving mode; and a power saving control part 33 that determines whether or not the acquired power saving operation parameters fulfill allowable parameters of its own apparatus in a case of operating in the power saving mode, selects any of operation modes in accordance with the determination result, and transmits information indicating the selected operation mode.

Abstract: A plurality of MTC devices can connect to a base station device efficiently. The base station device receives a request signal for requesting access to the base station device from MTC devices in group A that can transmit data to the base station device using a predetermined application data format. The base station device allocates radio resource to an MTC device operating as a gateway, among the MTC devices in group A. The MTC device operating as a gateway receives video data from an MTC device not operating as a gateway in group A. The base station device transmits the video data received from the MTC device not operating as a gateway to the base station device using the allocated radio resource.

Abstract: A base station device includes: an information collection unit configured to collect information for calculating evaluation values for each of first, second, and third transmission paths; an evaluation value calculation unit configured to calculate the evaluation values for each of the first, second, and third transmission paths, based on the collected information; and a transmission path selection unit configured to select, using the evaluation values of each of the first, second, and third transmission paths, a transmission path to be used by a mobile communication terminal.

Abstract: A wireless communication system is provided in which a plurality of MTC devices can connect to a base station device efficiently. Each of MTC devices in group A that transmits data to the base station device using a predetermined application format is allocated first radio resource common in group A. The MTC device transmits an access request signal to the base station device using the first radio resource. The base station device receives the request signal from the MTC device. The base station device allocates second radio resource common in group A to the MTC device. The MTC device transmits data to the base station device using the second radio resource.

Abstract: A mobile station device includes a peripheral regulated state acquirer configured to acquire regulated states of peripheral cells, a cell search processor configured to perform a cell search on peripheral cells selected based on the acquired regulated states, and a cell selector configured to select a handover destination cell based on a result of the cell search, thus making it possible to suppress a load on a base station of a process to avoid congestion.

Abstract: A communication system includes a wireless terminal device related to a predetermined service or group, a relay device, a base station device to be connected to the relay device, a gateway device, and a mobile management device. In the relay device included in the communication system, a registration processing unit transmits to the mobile management device, a first registration request signal that requests registration of the relay device, and receives first communication path information indicating a communication path between the relay device and the gateway device. A device determination unit receives from the wireless terminal device, a connection request signal that requests connection, and determines based on the connection request signal whether or not to transfer data related to the wireless terminal device. A data transfer unit transfers the data using the communication path indicated by the first communication path information.

Abstract: An operation requesting unit of a terminal device configured to, in a case that the terminal device is unable to be connected to a gateway device configured to connect a public wireless communication network and a short-range wireless communication network, transmit to the mobile management device, a gateway operation request signal that requests operation while regarding the terminal device as a gateway device.

Abstract: A first gateway apparatus includes: an apparatus determining unit configured to receive a connection request signal for requesting a connection from the second communication apparatus and identify at least one of the group and service based on the connection request signal; and a data transfer unit configured to transfer data received from the second communication apparatus to the second gateway apparatus.