Abstract: There is provided a communication control device including a radio communication unit communicating with a terminal device, a network communication unit accessing any one of a plurality of gateway apparatuses through a network and relaying communication between the terminal device and the gateway apparatus, and a control unit switching the gateway apparatus to be accessed by the network communication unit.

Abstract: Provided is a wireless base station including a power measurement unit for measuring a power of a reference signal for synchronization at a downlink adjacent frequency; a base station type acquisition unit for acquiring a type of a base station that transmits the signal at the downlink adjacent frequency; and a power setting unit for setting a maximum transmission power based on a measurement value of the power measured by the power measurement unit and the type of the base station acquired by the base station type acquisition unit.

Abstract: Provided is a terminal apparatus including a first communication unit that performs communication according to a first wireless communication scheme using frequency division duplex; a second communication unit that performs communication according to a second wireless communication scheme different from the first wireless communication scheme; a detecting unit that detects deterioration of reception quality of the first communication unit due to generation of the communication by the first communication unit and the communication by the second communication unit at the same timing; and a reporting unit that reports the deterioration of the reception quality to a communication control apparatus scheduling the communication by the first communication unit, when the deterioration of the reception quality is detected by the detecting unit.

Abstract: There is provided a communication control device comprising: a wired connection unit that makes a wired connection with a mobile terminal; a setting unit that sets a frequency of a communication signal transmitted to or received from the mobile terminal through the wired connection unit; and a protocol conversion unit capable of converting a protocol of the communication signal from a mobile communication protocol to an IP (Internet Protocol).

Abstract: There is provided a communication control device including a communication path selecting unit that selects one or more wireless communication paths by which a wireless communication terminal performing communication using two or more wireless communication paths and a processing executing device executing processing for providing a communication service to the wireless communication terminal communicate with each other and a communication setting control unit that performs setting such that, when a plurality of wireless communication paths are selected, communication is performed between at least one processing executing device corresponding to the plurality of selected wireless communication paths and the wireless communication terminal, using the plurality of wireless communication paths.

Abstract: There is provided a wireless communication device including a transmission control unit configured to transmit an establishment request for establishment of connection right for wireless connection with a predetermined network, to an information processing device performing a control for establishment of the connection right, wirelessly; and a control unit configured to perform a control for the establishment of the connection right, based on establishment information transmitted from the information processing unit, on the condition that the establishment request has been authenticated by a first authentication device performing a first authentication process related to the wireless communication device, and the establishment request has been authenticated by a second authentication device performing a second authentication process related to the establishment of the connection right.

Abstract: A wireless communication apparatus includes: a communication control unit performing a connection rights reservation request for wirelessly connecting to a predetermined network in a specific region in a specific time band; and a control unit performing control for setting the connection rights based on the setting information according to the reservation request.

Abstract: A communication fee prediction device including: a communication unit; a network load information management unit that collects and retains network load information of each base station through the communication unit; a user behavior history management unit that collects and retains positional information of a data communication terminal; and a fee prediction unit that estimates a later movement path of a data communication terminal, estimates a network load state when a data communication terminal passes through a base station on the estimated movement path, and predicts a communication fee according to a network load state of a base station that a data communication terminal is currently position registering and a communication fee according to a network load state of a base station on the estimated movement path, wherein a data communication terminal is notified of the current communication fee and the predicted value of a communication fee through the communication unit.

Abstract: There is provided a communication control device including a radio communication unit communicating with a terminal device, a network communication unit accessing any one of a plurality of gateway apparatuses through a network and relaying communication between the terminal device and the gateway apparatus, and a control unit switching the gateway apparatus to be accessed by the network communication unit.

Abstract: Provided is a router including a network interface that communicates with a network, a first communication interface that communicates with a mobile communication interface of a wireless communication device through a mobile communication control station, a second communication interface that communicates with a wireless LAN interface of the wireless communication device through a wireless LAN control station, and a conversion unit that converts an origin address of one of data to the network received from the mobile communication interface and data to the network received from the wireless LAN interface into an origin address of another one of the data.

Abstract: There is provided a radio communication device including a communication unit that communicates with a base station by using a given radio multiplexing architecture, a storage unit that stores time slot information, and a control unit that controls the communication unit to communicate with the base station by using the given radio multiplexing architecture in a time slot indicated by the time slot information.

Abstract: Receiving sensitivity deterioration in wireless communication due to a spurious radiation wave generated from a card reader/writer is suppressed in a case where a mobile phone terminal is provided with a contactless IC card reader/writer or a contactless IC card. The mobile phone terminal provided with the contactless IC card reader/writer performs measurement of a wireless status upon reception (step S1) and transmission power wetting (step S2), and when an instruction to start a reader/writer function is inputted from a user (step S3), wireless status deterioration due to spurious radiation from the reader/writer is predicted (step S4). Then, the mobile phone terminal judges whether control to reduce the transmission speed is necessary or not, on the basis of a value of the deterioration predicted wireless status (step S5), and when judged necessary, the transmission speed is reduced (step S6).

Abstract: There is provided a communication control device comprising: a wired connection unit that makes a wired connection with a mobile terminal; a setting unit that sets a frequency of a communication signal transmitted to or received from the mobile terminal through the wired connection unit; and a protocol conversion unit capable of converting a protocol of the communication signal from a mobile communication protocol to an IP (Internet Protocol).

Abstract: A distortion compensator, comprising a distortion component generator that generates a distortion component orthogonal baseband signal corresponding to a nonlinear distortion component based upon an analog orthogonal baseband signal, a distortion component synthesizer that synthesizes a composite signal by combining the analog orthogonal baseband signal and the distortion component orthogonal baseband signal and a first switch through which control is executed as to whether or not to input the distortion component orthogonal baseband signal to the distortion component synthesizer, is provided.

Abstract: A radio communication terminal has a plurality of matching circuits that optimize the efficiency of a power amplifier for a range of different battery voltages. A first matching circuit optimizes the efficiency of the power amplifier for a battery voltage higher than a predetermined threshold value. A second matching circuit optimizes the efficiency of the power amplifier at a voltage lower than the threshold value. A control section compares a detection result of a battery voltage from a voltage monitor section with the threshold value, and performs switching between the plurality of matching circuits.

Abstract: A distortion compensator, comprising a distortion component generator that generates a distortion component orthogonal baseband signal corresponding to a nonlinear distortion component based upon an analog orthogonal baseband signal, a distortion component synthesizer that synthesizes a composite signal by combining the analog orthogonal baseband signal and the distortion component orthogonal baseband signal and a first switch through which control is executed as to whether or not to input the distortion component orthogonal baseband signal to the distortion component synthesizer, is provided.

Abstract: Receiving sensitivity deterioration in wireless communication due to a spurious radiation wave generated from a card reader/writer is suppressed in a case where a mobile phone terminal is provided with a contactless IC card reader/writer or a contactless IC card. The mobile phone terminal provided with the contactless IC card reader/writer performs measurement of a wireless status upon reception (step S1) and transmission power wetting (step S2), and when an instruction to start a reader/writer function is inputted from a user (step S3), wireless status deterioration due to spurious radiation from the reader/writer is predicted (step S4). Then, the mobile phone terminal judges whether control to reduce the transmission speed is necessary or not, on the basis of a value of the deterioration predicted wireless status (step S5), and when judged necessary, the transmission speed is reduced (step S6).

Abstract: In a communication terminal that is capable of carrying out communications based on a plurality of communication standards, for example, a cellular phone, information representing a reception carrier frequency of a wireless channel being received by a cellular-phone functional block is output from a CPU to a contactless-IC-card-reader/writer functional block. In the contactless-IC-card-reader/writer functional block, a controller controls a switching circuit to switch a transmission carrier frequency being used so that harmonic components of an electromagnetic wave radiated from a coil antenna will not work as an electromagnetic-interference wave that affects reception sensitivity of the cellular-phone functional block.

Abstract: A radio communication terminal has a plurality of matching circuits that optimize the efficiency of a power amplifier for a range of different battery voltages. A first matching circuit optimizes the efficiency of the power amplifier for a battery voltage higher than a predetermined threshold value. A second matching circuit optimizes the efficiency of the power amplifier at a voltage lower than the threshold value. A control section compares a detection result of a battery voltage from a voltage monitor section with the threshold value, and performs switching between the plurality of matching circuits.

Abstract: In a communication terminal that is capable of carrying out communications based on a plurality of communication standards, for example, a cellular phone, information representing a reception carrier frequency of a wireless channel being received by a cellular-phone functional block is output from a CPU to a contactless-IC-card-reader/writer functional block. In the contactless-IC-card-reader/writer functional block, a controller controls a switching circuit to switch a transmission carrier frequency being used so that harmonic components of an electromagnetic wave radiated from a coil antenna will not work as an electromagnetic-interference wave that affects reception sensitivity of the cellular-phone functional block.