Abstract: A mobile radio terminal includes a positional information acquisition unit to measure the position of the mobile radio terminal as position information using a Global Positioning System; a reception status acquisition unit to detect a handover failure; and a controller to send information of the position information and handover failure information to a base station.

Abstract: In order to derive the position of communication device even when it is difficult to derive the position of the communication device using GPS and radio waves in an allocated frequency band, this positioning system is provided with a reception processing unit for deriving second frequency band quality information, which is information representing the quality of second frequency band radio waves received from a second frequency band communicator which emits the second frequency band radio waves, which are radio waves in a second frequency band, being a frequency band that does not overlap a first frequency band allocated for radio communications performed by the communication device, and a deriving unit for deriving and outputting second frequency band position information, which is information representing the position of the communication device derived by means of the second frequency band quality information relating to each of three or more second frequency band communicators.

Abstract: An indoor/outdoor determination program, etc., whereby an indoor or outdoor state can be determined with higher precision than by a determination method based on satellite reception strength in which a threshold value is difficult to set. The indoor/outdoor determination program according to the present invention causes a step to be executed for determining whether a mobile terminal is present indoors or outdoors on the basis of satellite elevation angle information and/or satellite azimuth angle information acquired directly or indirectly from a satellite receiver provided to the mobile terminal.

Abstract: An indoor/outdoor determination program, etc., whereby an indoor or outdoor state can be determined with higher precision than by a determination method based on satellite reception strength in which a threshold value is difficult to set. The indoor/outdoor determination program according to the present invention causes a step to be executed for determining whether a mobile terminal is present indoors or outdoors on the basis of satellite elevation angle information and/or satellite azimuth angle information acquired directly or indirectly from a satellite receiver provided to the mobile terminal.

Abstract: A mobile radio terminal includes a positional information acquisition unit to measure the position of the mobile radio terminal as position information using a Global Positioning System; a reception status acquisition unit to detect a handover failure; and a controller to send information of the position information and handover failure information to a base station.

Abstract: A monitoring system includes a monitored device and a management device for communicating with the monitored device. The monitored device has a sensor for acquiring information required for detecting an occurrence of a prescribed event; a memory storing instructions; and a processor executing the instructions to perform: receiving a signal including identification information of a terminal existing within a prescribed range from the monitored device; estimating, based on the received signal, a distance from the monitored device to the terminal as terminal distance information; estimating, based on the received signal, a direction directed from the monitored device to the terminal as terminal direction information; and based on an output from the sensor, detecting the prescribed event, and in conjunction therewith, identifying the terminal distance information, the terminal direction information, and the identification information that are related to a time point when the prescribed event is detected.

Abstract: A mobile radio terminal includes a positional information acquisition unit to measure the position of the mobile radio terminal as position information using a Global Positioning System; a reception status acquisition unit to detect a handover failure; and a controller to send information of the position information and handover failure information to a base station.

Abstract: [Problem] To provide a site position priority order determination device and associated method with which it is possible to create a high-reliability site position priority order list in a shorter time.

Abstract: A monitoring system includes a monitored device and a management device for communicating with the monitored device. The monitored device has a signal receiver for causing a signal that includes identification information for identifying a terminal to be received from a terminal present within a predetermined range relative to the monitored device; a terminal distance estimation unit for estimating the distance from the monitored device to the terminal; a terminal direction estimation unit for estimating the direction to the terminal from the monitored device; and a video capturing unit for capturing a predetermined image-image-capturing range on the neighborhood of the monitored device. The management device has a data analysis unit for analyzing the video that has been captured, determining that a predetermined event has occurred, and specifying the terminal distance information, the terminal direction information, and the identification information associated with the point in time of the image capture.

Abstract: [Problem] To provide a site position priority order determination device and associated method with which it is possible to create a high-reliability site position priority order list in a shorter time.

Abstract: A mobile radio terminal includes a positional information acquisition unit to measure the position of the mobile radio terminal as position information using a Global Positioning System; a reception status acquisition unit to detect a handover failure; and a controller to send information of the position information and handover failure information to a base station.

Abstract: There are disclosed a method of and a system for collecting information related to operation of a radio communication system inexpensively and easily. A mobile radio terminal monitors a communication status of user communication, and detects as a trigger when the communication status has satisfied a predetermined condition. When a trigger is detected, the mobile radio terminal acquires a reception status of a radio signal and the position of the mobile radio terminal. The mobile radio terminal sends measured information including the reception status and the position to an information collecting server. The information collecting server receives the measured information from the mobile radio terminal and records therein the measured information which has been received.

Abstract: A wireless terminal that carries out communication by a wireless circuit includes information acquisition means, transmission means, and transmission control means. The information acquisition means measures the communication quality of the wireless circuit. The transmission control means issues an instruction to the transmission means to transmit area quality information when basic transmission trigger conditions that have been determined in advance as time information are satisfied and when additional transmission trigger conditions are satisfied that have been determined that correspond to the state of the wireless terminal such that battery consumption is reduced. Upon receiving the instruction, the transmission means transmits area quality information that includes the communication quality that was measured by the information acquisition means.

Abstract: There are disclosed a method of and a system for collecting information related to operation of a radio communication system inexpensively and easily. A mobile radio terminal monitors a communication status of user communication, and detects as a trigger when the communication status has satisfied a predetermined condition. When a trigger is detected, the mobile radio terminal acquires a reception status of a radio signal and the position of the mobile radio terminal. The mobile radio terminal sends measured information including the reception status and the position to an information collecting server. The information collecting server receives the measured information from the mobile radio terminal and records therein the measured information which has been received.

Abstract: A received electric field intensity estimates device estimaties a received electric field intensity when a signal is received, by using at least a gain in a transmitting direction indicating the direction of the receiver viewed from a transmitter's side from among gains in the individual directions of the antenna's directive pattern of a transmitter's antenna, and outputs the estimated intensity. The device includes: an averaging unit for averaging gains in the individual directions of the antenna's directive pattern within an angular range of an arrival wave angle indicating the direction of the signal arriving at the receiver, taken as the relevant direction; and a received electric field intensity calculation unit using at least the gain in the transmitting direction from among gains in the individual directions of the antenna's averaged directive pattern, and for outputting the result of the calculation as the estimated received electric field intensity.

Abstract: In a throughput estimation method for estimating throughput of a first channel in a cellular system in which the first channel and a second channel that are used for an uplink wireless communication service in a cell, noise rise of the second channel is calculated from the traffic volume of the second channel, the noise rise and a target RTWP that is the target total reception power of the base station that is set in the base station are used to calculate a ratio of resources used for the wireless communication service that can be allocated to the first channel, and the resource ratio is then used to calculate the throughput of the first channel.

Abstract: Disclosed is a technology for easy balancing between cells by securing a cell balance, using an optimization process adopting a radio parameter as a parameter of an objective function. Objective function extractor 11 sets up optimizing condition at least including an objective function that has a radio parameter of a base station as the objective function parameter and is used for an optimization process to balance traffic loads between cells, using cell balance values between a target cell whose characteristic changes by modification of the parameter and neighboring cells existing around the target cell. Optimizer 12 performs an optimization process in accordance with the optimizing condition set by objective function extractor 11 to determine the value of the parameter to be the solution.

Abstract: The present invention is directed toward realizing a radio parameter determination method for improving values indicating the communication service quality of important areas in a radio communication system. The configuration of the present invention includes: a second step for determining a second radio parameter based on the first radio parameter and the weighted sum of values indicating communication service quality in, as regards the areas in which a plurality of radio base stations are arranged, a first area and second area to which first weighting values have been conferred; a third step for accepting a limitation condition related to the weighted sum; and a fourth step for determining a third radio parameter based on the limitation condition accepted in the third step, the weighted sum of the value indicating service quality of the first area and second area to which second weighting values that differ from the first weighting values have been conferred, and the second radio parameter.

Abstract: A wireless terminal that carries out communication by a wireless circuit includes information acquisition means, transmission means, and transmission control means. The information acquisition means measures the communication quality of the wireless circuit. The transmission control means issues an instruction to the transmission means to transmit area quality information when basic transmission trigger conditions that have been determined in advance as time information are satisfied and when additional transmission trigger conditions are satisfied that have been determined that correspond to the state of the wireless terminal such that battery consumption is reduced. Upon receiving the instruction, the transmission means transmits area quality information that includes the communication quality that was measured by the information acquisition means.

Abstract: There are disclosed a method of and a system for collecting information related to operation of a radio communication system inexpensively and easily. A mobile radio terminal monitors a communication status of user communication, and detects as a trigger when the communication status has satisfied a predetermined condition. When a trigger is detected, the mobile radio terminal acquires a reception status of a radio signal and the position of the mobile radio terminal. The mobile radio terminal sends measured information including the reception status and the position to an information collecting server. The information collecting server receives the measured information from the mobile radio terminal and records therein the measured information which has been received.