Patent application number | Description | Published |
20090079508 | PLL CIRCUIT - Disclosed herein is a phase lock loop (PLL) circuit capable of executing digital control of an oscillation circuit thereof by using a dividing ratio represented by a digital value obtained by dividing an oscillation frequency by a reference frequency. The PLL circuit includes a phase comparator for comparing the digital value obtained by converting the dividing ratio with a digital value representing each cumulative addition value of a clock count expressed in a decimal-point format representing the oscillation signal in each period of a reference signal, a loop-gain control section configured to control the loop gain of the PLL circuit, and an output converging section configured to converge an output by the phase comparator. | 03-26-2009 |
20090154377 | Wireless Communication Apparatus - A wireless communication apparatus includes an RF front-end unit constituting reception and transmission systems, a digital baseband signal processor, and a bias current circuit. The digital baseband signal processor performs a process of a digital baseband receive signal received from a reception system and performs a process of a digital baseband transmit signal supplied to a transmission system. The bias current circuit supplies a reference current to at least a part of a circuit constituting the reception system within the RF front-end unit. The bias current circuit switches the reference current supplied to at least the part of the circuit constituting the reception system within the RF front-end unit, in response to a transmission-operation control signal outputted by the digital baseband signal processor to the transmission system within the RF front-end unit. | 06-18-2009 |
20100019812 | PLL CIRCUIT, RADIO TERMINAL DEVICE AND CONTROL METHOD OF PLL CIRCUIT - There is provided a PLL circuit including a phase comparison unit that compares an accumulated addition value of a division ratio converted into a digital value and that of an oscillating signal from an oscillator controlled by using the digital value in each cycle of a reference frequency, a data conversion unit that has a variable gain amplification unit to change a gain and causes output of the phase comparison unit to converge to an arbitrary setting value, an offset detection unit that detects an offset arising due to a change in gain of the variable gain amplification unit using output of the phase comparison unit, and an offset compensation unit that compensates for the offset detected by the offset detection unit in timing when the gain of the variable gain amplification unit changes. | 01-28-2010 |
20100304742 | METHOD, SYSTEM, MOBILE TERMINAL AND COMPUTER PROGRAM PRODUCT - Systems, methods, and computer program products are provided for calculating an indicator of a quality of communication within a wireless communication access network and for estimating the available capacity of a base station within the wireless communication access network. In one exemplary embodiment, a method comprises receiving an indication, generated by a mobile terminal, of the quality of communication between the base station and the mobile terminal, and estimating the available capacity of the base station based on the received indication. | 12-02-2010 |
20110116395 | RADIO COMMUNICATION TERMINAL, COMMUNICATION METHOD, AND RADIO COMMUNICATION SYSTEM - There is provided a radio communication terminal including a measurement execution section which measures, as a measurement value, strength or quality of a signal received by a reception circuit from a base station, a measurement report creation section which creates a measurement report containing the measurement value, an offset amount setting section which sets a correction amount based on a usage status of the radio communication terminal by a user, an offset correction section which calculates an output value by subtracting the correction amount set by the offset amount setting section from the measurement value measured by the measurement execution section, and a measurement report transmission timing control section which designates a timing of transmitting the measurement report created by the measurement report creation section based on the output value calculated by the offset correction section and a threshold. | 05-19-2011 |
20110237240 | COMMUNICATION MANAGEMENT METHOD, MANAGEMENT SERVER, AND COMMUNICATION SYSTEM - There is provided a communication management method including the steps of registering, by a management server managing communication of a base station, a communication terminal whose connection to the base station is to be permitted as a first communication terminal, registering, by the management server, another communication terminal as a second communication terminal based on a request from the communication terminal registered as the first communication terminal, requesting the base station, by a communication terminal, for connection, and permitting, by the management server, connection to the base station in a case the communication terminal which has requested the base station for connection is registered as the first communication terminal or the second communication terminal. | 09-29-2011 |
20110237268 | MANAGEMENT SERVER, BASE STATION, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - There is provided a management server including a holding unit for holding a location/frequency list in which location information and frequency information are associated, a list creation unit for creating an available frequency list by extracting, from the location/frequency list, frequency information corresponding to location information received from a base station, and a list transmission unit for transmitting the available frequency list created by the list creation unit to the base station. | 09-29-2011 |
20110244859 | COMMUNICATION CONTROL APPARATUS, COMMUNICATION CONTROL METHOD, PROGRAM, TERMINAL EQUIPMENT AND WIRELESS COMMUNICATION SYSTEM - There is provided a communication control apparatus to control handover with terminal equipment including a position information acquisition unit to acquire position information containing a cell ID specifying a cell to which the terminal equipment is connected, a storage unit to store a series of the position information acquired by the position information acquisition unit as position information history, a determination unit to determine whether the terminal equipment should have been connected to each cell specified by each cell ID contained in the position information history on a movement route of the terminal equipment, and a data generation unit to generate recommended handover order data indicating connection order of cells to be recommended for the terminal equipment by removing a cell ID specifying a cell determined to which the terminal equipment should not have been connected by the determination unit from the position information history. | 10-06-2011 |
20110317583 | WIRELESS COMMUNICATION DEVICE, PROGRAM, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION SYSTEM - There is provided a wireless communication device including a receiving unit that receives a radio signal transmitted from a base station providing a wireless communication service, a congestion calculation unit that calculates a degree of congestion of the wireless communication service based on a received result of the radio signal by the receiving unit, and an effective communication rate estimation unit that estimates an effective communication rate of the wireless communication service by use of the degree of congestion calculated by the congestion calculation unit. | 12-29-2011 |
20120095613 | COMMUNICATION DEVICE, POWER DISTRIBUTION CONTROL DEVICE, AND POWER DISTRIBUTION CONTROL SYSTEM - A communication device, which communicates with a power distribution control device which controls power distribution with regard to a region which is a power distribution target, includes an acquisition unit which acquires calculation information for calculating electrical power which is to be distributed with regard to the region, and a transmission unit which transmits the calculation information to the power distribution control device. | 04-19-2012 |
20120119948 | POSITION INFORMATION DETECTION DEVICE, COMMUNICATION APPARATUS, AND COMMUNICATION SYSTEM - A position detection device includes a first position obtaining unit obtaining position information by receiving a GPS signal, a second position obtaining unit obtaining position information based on information obtained from a plurality of peripheral base stations, a position information obtainment determining unit determining whether or not the first position obtaining unit obtains position information, a movement detection unit detecting a movement of the first position obtaining unit, a first ON and OFF state control unit controlling ON and OFF states of the first position obtaining unit, a second ON and OFF state control unit controlling ON and OFF states of the second position obtaining unit, a monitor cycle control unit controlling a monitor cycle that the first position obtaining unit obtains position information, and an output unit selecting and outputting one piece of position information obtained by the first position obtaining unit and the second position obtaining unit. | 05-17-2012 |
20120120827 | INFORMATION PROVIDING APPARATUS, INFORMATION PROVIDING METHOD, AND COMMUNICATION SYSTEM - An information providing apparatus includes: a map information storage unit which maintains map information with which at least one of position information, address information, and names of buildings or shops is associated; a communication parameter obtaining unit which obtains communication parameters associated with the position information; an image information creating unit which creates image information in which the communication parameters associated with the position information are described on the map information; and a display unit which displays the image information created by the image information creating unit. | 05-17-2012 |
20120133401 | PLL CIRCUIT, ERROR CORRECTING METHOD FOR THE SAME, AND COMMUNICATION APPARATUS INCLUDING THE SAME - A PLL circuit includes: the number-of-accumulated clocks detecting portion detecting the number of accumulated clocks of an oscillation circuit as a digital value; a periodicity detecting portion detecting periodicity of a digital value of a fractional portion of the number of accumulated clocks of the oscillation circuit with a first reference clock as a reference; a corrected value calculating portion calculating a corrected value; and an adding portion adding the corrected value to the fractional portion of the number of accumulated clocks with the first reference clock from the starting points of the periods of the periodicity. | 05-31-2012 |
20120207023 | INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND COMMUNICATION SYSTEM - An information processing method includes determining, when a connection request for connecting, via a base station relating to a first communication carrier, a first wireless communication device to a base station relating to a second communication carrier is received from the first wireless communication device, permission or non-permission for the connection request based on connection information on the number of wireless communication devices connected to a base station relating to the connection request, and setting a connection right to be connected to the base station relating to the connection request to the first wireless communication device when permission is determined in the determining. | 08-16-2012 |
20120250621 | WIRELESS COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND INFORMATION PROCESSING METHOD - 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. | 10-04-2012 |
20120295641 | WIRELESS COMMUNICATION DEVICE, INFORMATION PROCESSING DEVICE, COMMUNICATION SYSTEM, AND LOCATION DETERMINATION METHOD - A detection unit detects an error of second location information by designating first location information periodically or aperiodically acquired on the basis of information from an artificial satellite, designating the second location information periodically or aperiodically acquired on the basis of information from a base station serving as a connection target, and comparing the second location information to the first or second location information acquired at a timing before an acquisition time of the second location information on a time axis. A determination unit determines a current location based on the first or second location information, and determines the current location based on other location information specified by a base station related to the second location information when the first location information has not been acquired at a timing of the determination and the error of the second location information acquired at the timing of the determination has been detected. | 11-22-2012 |
20120302211 | WIRELESS COMMUNICATION DEVICE, INFORMATION PROCESSING DEVICE, COMMUNICATION SYSTEM, AND METHOD FOR CONTROLLING WIRELESS COMMUNICATION DEVICE - 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. | 11-29-2012 |
20120302218 | RADIO COMMUNICATION APPARATUS, INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM, AND METHOD OF CONTROLLING RADIO COMMUNICATION APPARATUS - A radio communication apparatus includes a receiving unit configured to receive information controlling a timing at which an access request for accessing an access destination over a network is to be executed. The radio communication apparatus also includes a control unit configured to control execution of the access request with a timing controlled based at least in part on the information. An associated method, medium and an information processing apparatus are also described. | 11-29-2012 |
20120314651 | COMMUNICATION CONTROL DEVICE, WIRELESS COMMUNICATION TERMINAL, PROCESSING EXECUTING DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - 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. | 12-13-2012 |
20130262354 | TERMINAL DEVICE, TERMINAL CONTROL METHOD, PROGRAM AND INFORMATION PROCESSING SYSTEM - A terminal device includes an acquisition unit which acquires local information of a present location at a present time; an accumulation unit which accumulates the acquired local information for a predetermined period; a communication unit which transmits the local information which is accumulated for a predetermined period to an information processing device, and receives parameters of a statistical model which are learned using the local information, which is acquired using the information processing device from a plurality of portable terminal devices, from the information processing device; and a prediction unit which predicts the local information in relation to an arbitrary time and location using the received parameters of the statistical model. | 10-03-2013 |
20130303117 | INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE AND COMMUNICATION SYSTEM - Provided is an information processing method including an extraction procedure of extracting another communication service provider other than a first communication service provider based on a result of a comparison of a congestion degree of a base station related to the first communication service provider with a congestion degree of each of base stations related to one or a plurality of communication service providers other than the first communication service provider, and an exchange control procedure of performing control to transfer the first access right from the first wireless terminal device to a second wireless terminal device having a second access right to access a base station related to the other extracted communication service provider, and to transfer the second access right from the second wireless terminal device to the first wireless terminal device. | 11-14-2013 |
20130315061 | INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE AND COMMUNICATION SYSTEM - Provided is an information processing method including a setting process of, when a service is provided to a first wireless terminal device having a first access right to access a base station related to a first communication service provider via a radio line, setting a second access right to access a base station related to a second communication service provider to the first wireless terminal device, and a service providing process of providing the service to the first wireless terminal device to which the second access right is set through the base station related to the second communication service provider. | 11-28-2013 |
20140024399 | INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM, AND INFORMATION PROCESSING METHOD - An information processing apparatus includes a receiver configured to receive designation information corresponding to a user operation for designating an area for which an index indicating a degree of human congestion is to be displayed and a controller configured to perform control to provide a degree of communication traffic in the area as the index for the area. | 01-23-2014 |
20140105016 | INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus including an acquiring unit that acquires communication quality of wireless communication at a location where a wireless communication apparatus exists, and a control unit that controls ON/OFF of another data communication function other than a data communication function to which a high priority is set, among data communication functions included by the wireless communication apparatus, based on the acquired communication quality. | 04-17-2014 |
20140153485 | INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus including a determining unit that determines a movement state of a wireless communication apparatus, and a control unit that restricts a base station selection process of the wireless communication apparatus, on the basis of the determined movement state. | 06-05-2014 |
20140155118 | COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, COMMUNICATION SYSTEM, AND TERMINAL DEVICE - There is provided a communication control device including a power control unit configured to control a transmission power of a secondary communication service to be provided at least near an area where a first primary communication service is provided. The power control unit increases the transmission power of the secondary communication service upon performing a switching from subscriber identity module (SIM) information corresponding to the first primary communication service to SIM information corresponding to a second primary communication service in a terminal device using a communication service by using any SIM information switched between a plurality of SIM information. | 06-05-2014 |
20140187238 | INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM AND COMMUNICATION STATE DETECTION METHOD OF INFORMATION PROCESSING APPARATUS - There is provided an information processing apparatus including an acquisition unit configured to acquire an interference index indicating a degree of interference in wireless communication between a wireless communication apparatus and a base station that is a connection target of the wireless communication apparatus, and position information related to a position concerning the interference index, and a generation unit configured to specify an interference index concerning a target area to detect a communication state of the wireless communication apparatus, based on the acquired position information, and generate communication state information to notify the communication state based on the specified interference index. | 07-03-2014 |
20140194093 | INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM, AND INFORMATION PROCESSING METHOD - There is provided an information processing apparatus, an information processing method and a program for causing a computer to execute the method, the information processing apparatus including an acquisition unit configured to acquire communication quality at a time of communication between a base station and a wireless communication apparatus that connects to a predetermined network via the base station and performs the communication, and a charging processing unit configured to perform charging processing related to the communication based on the acquired communication quality. | 07-10-2014 |
20150056966 | INFORMATION PROVIDING APPARATUS, INFORMATION PROVIDING METHOD, AND COMMUNICATION SYSTEM - An information providing apparatus includes: a map information storage unit which maintains map information with which at least one of position information, address information, and names of buildings or shops is associated; a communication parameter obtaining unit which obtains communication parameters associated with the position information; an image information creating unit which creates image information in which the communication parameters associated with the position information are described on the map information; and a display unit which displays the image information created by the image information creating unit. | 02-26-2015 |