Abstract: A positioning device for measuring a position includes a WLAN positioning calculation unit that performs first positioning, based on first radio waves from access points; a satellite positioning unit that performs second positioning, based on second radio waves from satellites; a positioning result determination unit that determines whether a positioning result by the WLAN positioning calculation unit exists within a predetermined range from position information or a measured position, based on the position information to be obtained during the second positioning by the satellite positioning unit or the measured position by the satellite positioning unit; and a positioning result adoption determination unit that determines whether the positioning result is adopted, based on a determined result by the positioning result determination unit.

Abstract: A positioning apparatus for performing a positioning operation based on distance to an access point includes an access point detection unit configured to detect an access point, a memory unit configured to store the access point detected by the access point detection unit for each of channels, a channel setup unit configured to set a channel to be scanned based on the access points in the memory unit, and a positioning operation unit configured to perform positioning based on the distance to the access point detected by the access point detection unit. The access point detection unit detects the access point based on the channel set by the channel setup unit.

Abstract: A mobile terminal receives information adapted to the current location of the mobile terminal via a mobile communication network from an information service providing communication apparatus that sends information adapted to current locations of mobile terminals to mobile terminals. The mobile terminal repeats identifying the location of the mobile terminal, and calculates a linear movement distance of the mobile terminal between a past location of the mobile terminal and the current location of the mobile terminal. The mobile terminal transmits a signal indicating the current location if the linear movement distance is greater than a threshold, but does not transmit the signal indicating the current location if the linear movement distance is less than the threshold.

Abstract: A mobile communication terminal (1) includes a mobile communication unit (13) that receives broadcast signals from base stations (2a, 2b, . . . ) through mobile communication, a wireless LAN positioning unit (12) that performs positioning calculation using wireless LAN communication, a GPS positioning unit (11) that performs positioning calculation through GPS positioning, a comparison unit (14) that compares the number of base stations from which broadcast signals are receivable by the mobile communication unit (13) with a predetermined number and determines whether the number of base stations is large or small, and a positioning system selection unit (15) that controls the wireless LAN positioning unit (12) to perform positioning calculation when the number of base stations is determined to be large and controls the GPS positioning unit (11) to perform positioning calculation when the number of base stations is determined to be small.

Abstract: A positioning portion does not identify a position of a mobile terminal in a case in which a stationary continuation determiner determines that the mobile terminal has continued to be stationary during a period, the positioning portion identifies the position of the mobile terminal in a case in which the stationary continuation determiner determines that the mobile terminal has not continued to be stationary during the period and in which a traveling condition determiner determines that the mobile terminal is in traveling condition, and the positioning portion does not identify the position of the mobile terminal in a case in which the stationary continuation determiner determines that the mobile terminal has not continued to be stationary during the period and in which the traveling condition determiner determines that the mobile terminal is in a stationary condition.

Abstract: A mobile terminal includes: a first manner of wireless communicator for conducting wireless communication with a client terminal; a second communicator for conducting wireless communication with a network (NW1); storage for storing data; and communication control for causing data to be transmitted between communicators. The communication control causing data received via the second communicator to be stored when a client terminal is in a state in which the client terminal does not receive data, and causes the stored data to be transmitted by the first communicator when the client terminal is in a state in which the client terminal receives data. Further, the communication control causes the data received via the first communicator to be stored when wireless communication with the network is not possible, and causes the stored data to be transmitted by the second communicator when wireless communication with the network is possible.

Abstract: An HGW mobile device 20 can perform data communication on the basis of a plurality of wireless communication methods with different theoretical maximum transmission speeds, i.e., on the basis of a mobile wireless communication method and a wireless LAN communication method. Since the HGW mobile device 20 is provided with a mobile wireless communication unit 210 and a wireless LAN communication unit 250, it is able to relay data transmission between an external network 10 and a client terminal 30. A transmission speed initializing unit 230 sets a value according to a theoretical maximum transmission speed of the wireless communication method with the slower theoretical maximum transmission speed, i.e., the theoretical maximum transmission speed of the mobile wireless communication method, as an initial transmission speed for the wireless LAN communication unit 250 to first start wireless LAN communication with the client terminal 30 on the basis of the wireless LAN communication method.

Abstract: Communication terminal 1 receives an MCC (Mobile Country Code) from a wireless base station located in one country and a wireless base station located in another country adjacent to the one country, using first communication unit 108A. Communication terminal 1 obtains from storage unit 105 setting data on a wireless LAN, which is commonly associated with the countries indicated by the received MCCs. Second communication unit 108B carries out wireless LAN communication using the obtained setting data.

Abstract: A mobile communication terminal (1) includes a mobile communication unit (13) that receives broadcast signals from base stations (2a, 2b, . . . ) through mobile communication, a wireless LAN positioning unit (12) that performs positioning calculation using wireless LAN communication, a GPS positioning unit (11) that performs positioning calculation through GPS positioning, a comparison unit (14) that compares the number of base stations from which broadcast signals are receivable by the mobile communication unit (13) with a predetermined number and determines whether the number of base stations is large or small, and a positioning system selection unit (15) that controls the wireless LAN positioning unit (12) to perform positioning calculation when the number of base stations is determined to be large and controls the GPS positioning unit (11) to perform positioning calculation when the number of base stations is determined to be small.

Abstract: An object is to realize execution of an access point function while keeping power consumption low. A cell phone 1 has a relay unit 16 for relaying data transmitted between a digital camera 5 and a network, and a relay controller 17 for changing an operation state of the relay unit 16, based on a location state in a mobile communication network 2 derived based on a reception situation of a signal from a base station 2a of the mobile communication network 2, and a location information in a wireless LAN 3 derived based on a reception situation of a signal from a base station 3a of the wireless LAN 3.

Abstract: A positioning apparatus for performing a positioning operation based on distance to an access point includes an access point detection unit configured to detect an access point, a memory unit configured to store the access point detected by the access point detection unit for each of channels, a channel setup unit configured to set a channel to be scanned based on the access points in the memory unit, and a positioning operation unit configured to perform positioning based on the distance to the access point detected by the access point detection unit. The access point detection unit detects the access point based on the channel set by the channel setup unit.

Abstract: A positioning portion does not identify a position of a mobile terminal in a case in which a stationary continuation determiner determines that the mobile terminal has continued to be stationary during a period, the positioning portion identifies the position of the mobile terminal in a case in which the stationary continuation determiner determines that the mobile terminal has not continued to be stationary during the period and in which a traveling condition determiner determines that the mobile terminal is in traveling condition, and the positioning portion does not identify the position of the mobile terminal in a case in which the stationary continuation determiner determines that the mobile terminal has not continued to be stationary during the period and in which the traveling condition determiner determines that the mobile terminal is in a stationary condition.

Abstract: A positioning device includes a WLAN positioning calculation unit that performs first positioning based on first radio waves from access points; a satellite positioning unit that performs second positioning based on second radio waves from positioning satellites; a positioning result determination unit that determines whether a positioning result by the WLAN positioning calculation unit is to be adopted, when the second positioning by the satellite positioning unit has failed; and an output unit that outputs the positioning result by the WLAN positioning calculation unit, when the positioning result determination unit determines to adopt the positioning result by the WLAN positioning calculation unit.

Abstract: A positioning device for measuring a position includes a WLAN positioning calculation unit that performs first positioning, based on first radio waves from access points; a satellite positioning unit that performs second positioning, based on second radio waves from satellites; a positioning result determination unit that determines whether a positioning result by the WLAN positioning calculation unit exists within a predetermined range from position information or a measured position, based on the position information to be obtained during the second positioning by the satellite positioning unit or the measured position by the satellite positioning unit; and a positioning result adoption determination unit that determines whether the positioning result is adopted, based on a determined result by the positioning result determination unit.

Abstract: An object is to urge a communication terminal connecting (or belonging) to a mobile terminal, to carry out a handover. A cell phone 1 has a relay unit 15 for relaying data transmitted between a digital camera 5 and a network, and a relay controller 17 for controlling the relay unit 15, based on a location state in a wireless LAN 3 derived based on a reception situation of a beacon from a base station 3a of the wireless LAN 3 different from a mobile communication network 2. The relay controller 17 cancels a connection to the digital camera 5 when the mobile terminal is located inside an area of the wireless LAN 3.

Abstract: A mobile terminal and a location measurement method that can reduce measurement loads on the terminal. A GPS positioning unit performs location measurement in predetermined cycles or in accordance with user instructions. In performing the measurement, a control unit determines a movement state of the mobile terminal. The control unit, when determining that the mobile terminal is in a stationary state and the mobile terminal has not moved from a most recently measured location by referring to state information stored in a state information management table, can cause the location information storage table to store therein the most recently measured location stored in the location information storage table as a current location of the mobile terminal.

Abstract: A positioning time interval control device for controlling a time interval for measuring a position includes an obtaining unit configured to obtain a movement state and a movement speed of a mobile terminal, and a positioning time interval setting unit configured to set the time interval for measuring the position of the mobile terminal and a time interval for outputting position information derived from the measurement based on the movement state and the movement speed of the mobile terminal obtained by the obtaining unit. The positioning time interval setting unit changes the time intervals when the movement state and/or the movement speed of the mobile terminal is changed. At the time interval set by the positioning time interval setting unit, the mobile terminal obtains the position information of the mobile terminal and outputs the position information.

Abstract: A mobile terminal receives information adapted to the current location of the mobile terminal via a mobile communication network from an information service providing communication apparatus that sends information adapted to current locations of mobile terminals to mobile terminals. The mobile terminal repeats identifying the location of the mobile terminal, and calculates a linear movement distance of the mobile terminal between a past location of the mobile terminal and the current location of the mobile terminal. The mobile terminal transmits a signal indicating the current location if the linear movement distance is greater than a threshold, but does not transmit the signal indicating the current location if the linear movement distance is less than the threshold.

Abstract: A mobile terminal includes: a first manner of wireless communicator for conducting wireless communication with a client terminal; a second communicator for conducting wireless communication with a network (NW1); storage for storing data; and communication control for causing data to be transmitted between communicators. The communication control causing data received via the second communicator to be stored when a client terminal is in a state in which the client terminal does not receive data, and causes the stored data to be transmitted by the first communicator when the client terminal is in a state in which the client terminal receives data. Further, the communication control causes the data received via the first communicator to be stored when wireless communication with the network is not possible, and causes the stored data to be transmitted by the second communicator when wireless communication with the network is possible.

Abstract: An HGW mobile device 20 can perform data communication on the basis of a plurality of wireless communication methods with different theoretical maximum transmission speeds, i.e., on the basis of a mobile wireless communication method and a wireless LAN communication method. Since the HGW mobile device 20 is provided with a mobile wireless communication unit 210 and a wireless LAN communication unit 250, it is able to relay data transmission between an external network 10 and a client terminal 30. A transmission speed initializing unit 230 sets a value according to a theoretical maximum transmission speed of the wireless communication method with the slower theoretical maximum transmission speed, i.e., the theoretical maximum transmission speed of the mobile wireless communication method, as an initial transmission speed for the wireless LAN communication unit 250 to first start wireless LAN communication with the client terminal 30 on the basis of the wireless LAN communication method.