Patent application number | Description | Published |
20090060064 | OFDM Communication System, Method for Generating Feedback Information Thereof, and Communication Apparatus - An OFDM communication system which performs appropriate feedback flexibly adapted to channel states, while suppressing an amount of feedback information. The OFDM communication system has first and second communication apparatuses. In a second receiver of the second communication apparatus, a channel quality measurement part measures channel quality for each of sub-carriers. A time variation measurement part and a frequency measurement part respectively measure variation of channel quality in a time domain and a frequency domain, respectively, and output the variation of channel quality as time variation information and frequency variation information, also respectively. Based on the measured time variation information and frequency variation information, a two-dimensional control part performs two-dimensional blocking for forming two-dimensional blocks each from plural adjacent sub-carriers which are adjacent to each other in the time domain and the frequency domain. The two-dimensional control part measures and outputs channel quality of each two-dimensional block, as feedback information. | 03-05-2009 |
20090257398 | RADIO COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A radio communication system includes a plurality of base stations with supporting a plurality of radio access schemes. Two or more base stations support a predetermined radio access scheme in common. A mobile station makes initial connection to one of the two or more base stations according to the predetermined radio access scheme, to allow communication with the one base station. | 10-15-2009 |
20110003560 | RADIO COMMUNICATION SYSTEM, COMMUNICATION APPARATUS, RADIO COMMUNICATION NETWORK SYSTEM AND METHOD THEREFOR - A radio communication system provided with a communication device and a radio communication network system is characterized by comprising a transmission delay estimate information transmitting means for transmitting transmission delay estimate information to the radio communication network system when the transmission condition of the transmission delay estimate information is met. | 01-06-2011 |
20110128903 | RADIO COMMUNICATION SYSTEM, METHOD, PROGRAM, BASE STATION APPARATUS, MULTI-CELL/MULTICAST COOPERATION CONTROL APPARATUS - Disclosed is a radio communication system in which transmission parameters, such as MCS of MBSFN, the number of subframes, and a transmission power of a reserved cell, are adaptively output, based on a unicast traffic volume in a MBSFN area, a number of terminals, and a number of cells of the MBSFN area, so that a system throughput in the MBSFN area is maximized while satisfying an MBSFN quality requirement condition. | 06-02-2011 |
20110256824 | WIRELESS COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, RADIO BASE STATION, RADIO TERMINAL, AND STORAGE MEDIUM - Even when a radio terminal cannot receive content data from a base station to which the radio terminal serves, the radio terminal receives the content data from other base station. A wireless communication system ( | 10-20-2011 |
20110261743 | WIRELESS COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, RADIO BASE STATION, RADIO TERMINAL, AND STORAGE MEDIUM - Even when a radio terminal cannot receive contents data from a serving base station, the radio terminal can receive the contents data from other base station. A wireless communication system includes a radio terminal, a serving radio base station to which the radio terminal serves, and a non-serving radio base station to which the radio terminal does not serve. The serving radio base station receives, from the non-serving radio base station, contents-related information concerning contents data to be broadcasted or multicasted by said non-serving radio base station, and transmits the received contents-related information to the radio terminal. | 10-27-2011 |
20110319110 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, RADIO BASE STATION AND CONTROL STATION - A radio communication system includes a plurality of radio base stations and a control station connected to the radio base stations. One of the radio base stations notifies state control information including information regarding state control to the control station before or after execution of state control in the one radio base station. The control station notifies at least one of management information regarding the radio parameter updated in accordance with the state control and the state control information to the radio base stations connected to the control station, with the exclusion of the one radio base station that notified the state control information. | 12-29-2011 |
20120135771 | RADIO COMMUNICATING SYSTEM, RADIO COMMUNICATING METHOD, RADIO STATION, CONTROL STATION AND PROGRAM - A radio station communicates control information for multipoint cooperating communication, in which a plurality of radio stations takes part in data transmission/reception of a terminal, with another radio station taking part in the multipoint cooperating communication and/or a control station that manages the radio station. | 05-31-2012 |
20120188903 | RADIO COMMUNICATION SYSTEM, RADIO TERMINALS, RADIO BASE STATIONS, RADIO COMMUNICATION METHOD AND PROGRAM - Disclosed is a radio communication system wherein radio terminals can communicate using a plurality of component carriers having different frequencies. The communication system has a reception start timing control means for commonly controlling the cycle of reception start timing for predetermined channels in at least some of the component carriers assigned to the radio terminals; and a reception control means for controlling the reception interval of said predetermined channels, said reception intervals being started at the reception start times in at least some of the component carriers assigned to the radio terminals. | 07-26-2012 |
20120213123 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, RADIO STATION AND PROGRAM - A first radio base station informs a second radio base station about the configuration information of a second carrier, such as NBC or EC, not having an individual first identifier, as the configuration information of the second carrier is correlated with a first carrier, such as BC, having the individual first identifier. The radio station has a function of performing communication with a radio terminal using simultaneously a plurality of carriers included in the carrier set. | 08-23-2012 |
20120252471 | RADIO TERMINAL, RADIO STATION, CONTROL APPARATUS, AND COMMUNICATION CONTROL METHOD IN RADIO COMMUNICATION SYSTEM - A radio terminal and a communication control method are provided by which measurement information accompanied by detailed location information is efficiently measured and reported to a network, with a load on the terminal suppressed. The radio terminal, which can communicate with a radio station, requests a measurement instruction of the radio station, performs measurement according to the measurement instruction received from the radio station, and reports a result of the measurement and information regarding the location of the radio terminal to the radio station. | 10-04-2012 |
20120252519 | WIRELESS COMMUNICATION SYSTEM, ITS BASE STATION AND MOBILE STATION, COMMUNICATION SYNCHRONIZATION MANAGEMENT METHOD AND TIMER CONTROL PROGRAM THEREFOR - A mobile station which performs communication with a base station, the mobile station including: a timer timing a period to judge whether an uplink signal to the base station is synchronized, wherein the period is set by the base station for each of a plurality of mobile stations, wherein the timer restarts timing the period in response to receiving a timing adjustment value from the base station. | 10-04-2012 |
20120282916 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, RADIO NETWORK, RADIO COMMUNICATION METHOD AND PROGRAM - A radio terminal, which has a function to collect and report measurement information designated by a radio network, comprises: means for receiving collection/reporting control information related to the radio terminal's execution of at least one of the collection of measurement information and the reporting of the measurement information to the radio network; and control means for executing, based on the collection/reporting control information, at least one of the collection and the reporting if execution determination information, which is related to at least one of the collection of the measurement information and the reporting of the measurement information to be executed by the local terminal, satisfies a given determination criterion. | 11-08-2012 |
20120287920 | WIRELESS COMMUNICATION SYSTEM, ITS BASE STATION AND MOBILE STATION, COMMUNICATION SYNCHRONIZATION MANAGEMENT METHOD AND TIMER CONTROL PROGRAM THEREFOR - The present invention provides a wireless communication system which can reduce the probability that a latency before data transmission increases when a mobile station that is actually in sync is judged to be out of sync based on a timeout of the timer used for judging whether a mobile station is in a deemed in-sync state or in a deemed out-of-sync state. A base station of a wireless communication system which performs communication between a mobile station and the base station, includes a timer unit which sets a period for judging whether an uplink signal from the mobile station is synchronized; and a timer control unit which is capable of determining the period for each of mobile stations and notifies the period to each of the mobile station upon RRC establishment or RRC re-establishment. | 11-15-2012 |
20120295650 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, RADIO NETWORK, RADIO COMMUNICATION METHOD AND PROGRAM - A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to the radio network, a status related to at least one of the radio terminal's collection of the measurement information and the radio terminal's reporting of the measurement information; and a re-establishing means for receiving the status and determining whether to re-establish the setting information. | 11-22-2012 |
20130003701 | METHOD FOR HANDOVER BETWEEN DIFFERENT RADIO ACCESS SCHEMES AND WIRELESS COMMUNICATION SYSTEM - In a wireless communication system including a plurality of base stations each supporting at least one of two or more radio access schemes and at least one mobile station capable of performing communication by using the two or more radio access schemes, before the mobile station moves from a source base station to a target base station, the target base station notifies the mobile station, via the source base station, of a transparent container containing uplink radio access information that specifies a radio access scheme enabling at least an initial connection to be made. Thus, the mobile station identifies the radio access scheme supported by the target base station from the transparent container before moving from the source base station to the target base station. | 01-03-2013 |
20130064208 | RADIO COMMUNICATION SYSTEM, COMMUNICATION APPARATUS, RADIO COMMUNICATION NETWORK SYSTEM AND METHOD THEREFOR - A radio communication system provided with a communication device and a radio communication network system is characterized by comprising a transmission delay estimate information transmitting means for transmitting transmission delay estimate information to the radio communication network system when the transmission condition of the transmission delay estimate information is met. | 03-14-2013 |
20130170362 | RADIO COMMUNICATION SYSTEM AND METHOD, RADIO TERMINAL, RADIO STATION, AND OPERATION ADMINISTRATION AND MAINTENANCE SERVER APPARATUS - A system includes: first and second radio stations (eNB | 07-04-2013 |
20130196650 | RADIO COMMUNICATION SYSTEM AND METHOD, RADIO TERMINAL, RADIO BASE STATION, AND OPERATION ADMINISTRATION AND MAINTENANCE SERVER DEVICE - Provided is a system in which a radio station, measures and records in accordance with the measurement instruction information, and reports to the radio station, wherein the radio terminal, in case of a first condition on selection or detection of a first cell (allowed cell) in which the radio terminal is allowed to be served for a predetermined service being satisfied, and a second condition on measurement or logging being satisfied, logs information on a second cell (not allowed cell) in which the radio terminal is not allowed to be served for the predetermined service. | 08-01-2013 |
20130229970 | RADIO COMMUNICATION SYSTEM, METHOD, PROGRAM, BASE STATION APPARATUS, MULTI-CELL/MULTICAST COOPERATION CONTROL APPARATUS - Disclosed is a radio communication system in which transmission parameters, such as MCS of MBSFN, the number of subframes, and a transmission power of a reserved cell, are adaptively output, based on a unicast traffic volume in a MBSFN area, a number of terminals, and a number of cells of the MBSFN area, so that a system throughput in the MBSFN area is maximized while satisfying an MBSFN quality requirement condition. | 09-05-2013 |
20130237201 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, RADIO BASE STATION AND CONTROL STATION - A radio communication system, a radio communication method, a radio base station and a control station in which, even when a radio base station performs state control, radio parameters in neighboring base stations may efficiently and appropriately be self-optimized, are disclosed. The radio communication system includes a plurality of radio base stations (eNB | 09-12-2013 |
20130237266 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, RADIO BASE STATION AND CONTROL STATION - A radio communication system includes a plurality of radio base stations and a control station connected to the radio base stations. One of the radio base stations notifies state control information including information regarding state control to the control station before or after execution of state control in the one radio base station. The control station notifies at least one of management information regarding the radio parameter updated in accordance with the state control and the state control information to the radio base stations connected to the control station, with the exclusion of the one radio base station that notified the state control information. | 09-12-2013 |
20130281063 | NETWORK ENTITY, COMMUNICATION DEVICE, MOBILE COMMUNICATION DEVICE AND METHOD THEREOF - A communication system is described in which a mobile communication device receives MDT configuration requests from a base station or radio network controller to initiate an MDT measurement session for obtaining measurement data and location related data for identifying a location to which said measurement data relates. The mobile communication device checks a user consent indicator in memory and only provides the location related data if the user consent indicator indicates that a user of the mobile communication device consents to the provision the location related data. | 10-24-2013 |
20140112238 | WIRELESS COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, RADIO BASE STATION, RADIO TERMINAL, AND STORAGE MEDIUM - Even when a radio terminal cannot receive content data from a base station to which the radio terminal serves, the radio terminal receives the content data from other base station. A wireless communication system ( | 04-24-2014 |
20140155056 | MOBILE RADIO COMMUNICATIONS NETWORK OPTIMISATION - There is provided a mobile radio communications network device ( | 06-05-2014 |
20140169258 | RADIO COMMUNICATION SYSTEM, METHOD, PROGRAM, BASE STATION APPARATUS, MULTI-CELL/MULTICAST COOPERATION CONTROL APPARATUS - Disclosed is a radio communication system in which transmission parameters, such as MCS of MBSFN, the number of subframes, and a transmission power of a reserved cell, are adaptively output, based on a unicast traffic volume in a MBSFN area, a number of terminals, and a number of cells of the MBSFN area, so that a system throughput in the MBSFN area is maximized while satisfying an MBSFN quality requirement condition. | 06-19-2014 |
20140169346 | RADIO STATION, RADIO TERMINAL, AND SYNCHRONIZATION TIMER CONTROL METHOD IN RADIO COMMUNICATION SYSTEM - A radio station, a radio terminal, and a method for synchronization timer control are provided that can reduce a delay as much as possible until uplink signal resynchronization is done in a case where a plurality of cell groups exist. In a radio communication system having a function of using a plurality of radio resources corresponding to a plurality of cells, respectively, for communication between a radio station ( | 06-19-2014 |
20140179331 | RADIO STATION, RADIO TERMINAL, AND METHOD FOR CONTROLING TRANSMISSION TIMING IN RADIO COMMUNICATION SYSTEM - A radio station, a radio terminal, and a method for transmission timing control in a radio communications system are provided that facilitate uplink-signal synchronization management in a plurality of cell groups. The radio station ( | 06-26-2014 |
20140254416 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, RADIO NETWORK, RADIO COMMUNICATION METHOD AND PROGRAM - A radio terminal, which has a function to collect and report measurement information designated by a radio network, comprises: means for receiving collection/reporting control information related to the radio terminal's execution of at least one of the collection of measurement information and the reporting of the measurement information to the radio network; and control means for executing, based on the collection/reporting control information, at least one of the collection and the reporting if execution determination information, which is related to at least one of the collection of the measurement information and the reporting of the measurement information to be executed by the local terminal, satisfies a given determination criterion. | 09-11-2014 |
20140295847 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, RADIO STATION, EVOLVED PACKET CORE, AND INFORMATION GATHERING METHOD - The present invention is a radio communication system in which a radio terminal obtains measurement information designated by a network in an idle state and reports the obtained measurement information in an active state, the radio communication system comprising: a radio station con to operate a first cell of a first Radio Access Technology, wherein, in the first cell, the radio station comprises; notifying means configured to notify the radio terminal of first configuration information related to obtainment of the measurement information in the first cell; and a request means configured to request the radio terminal to obtain, after the radio terminal moves to a second cell of a second Radio Access Technology different from the first Radio Access Technology, the measurement information in the second cell. | 10-02-2014 |
20140348005 | RADIO COMMUNICATION SYSTEM, RADIO TERMINAL, RADIO NETWORK, RADIO COMMUNICATION METHOD AND PROGRAM - A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to the radio network, a status related to at least one of the radio terminal's collection of the measurement information and the radio terminal's reporting of the measurement information; and a re-establishing means for receiving the status and determining whether to re-establish the setting information. | 11-27-2014 |
20140357297 | RADIO COMMUNICATION SYSTEM, RADIO STATION, RADIO TERMINAL, NETWORK OPERATION MANAGEMENT APPARATUS, AND COMMUNICATION QUALITY CONFIRMATION METHOD - The present invention is a radio communication system having quality measurement means configured to execute quality measurement related to a service quality in communication between a radio terminal and a radio station, and information collection means configured to collect information related to a location of the radio terminal to be a target for the quality measurement, the radio communication system comprising: means configured to associate the information related to the location of the radio terminal when a predetermined condition is satisfied in an execution period of the quality measurement with results of the quality measurement. | 12-04-2014 |
20150044974 | RADIO COMMUNICATION SYSTEM, RADIO STATION, NETWORK OPERATION MANAGEMENT APPARATUS, AND NETWORK OPTIMIZATION METHOD - A radio communication system, a radio station, a network operation management apparatus, and a network optimization method are provided that can optimize a performance of the entire system even when network optimization is performed individually. In the radio communication system including multiple radio stations ( | 02-12-2015 |
20150050939 | RADIO TERMINAL, RADIO STATION, RADIO COMMUNICATION SYSTEM, AND METHODS IMPLEMENTED THEREIN - In one embodiment, a radio terminal ( | 02-19-2015 |
20150063145 | RADIO MEASUREMENT REPORTING - The present invention provides for a mobile radio communications device arranged to operate according to a first radio access technology for communication in a mobile radio communications network, and according to a second radio access technology, and to related network device and methods of operation, whereby radio measurements taken by the mobile radio communications device in relation to the first radio access technology can be polluted by coexistence interference from the second radio access technology, the mobile radio communications device being arranged to indicate to the network its capability of providing enhanced radio measurements taken while experiencing pollution by coexistence interference prior to any such provision and, if to be provided, to include interference information. | 03-05-2015 |
20150063304 | RADIO COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A base station for supporting a plurality of radio access schemes is provided. The base station includes a radio transceiver, a storage section and a response sending section. The storage section stores at least one radio access scheme supported by the base station. The at least one radio access scheme includes a predetermined radio access scheme which is common with another base station. The response sending section sends a response to an initial connection received from a mobile station back to the mobile station. The initial connection is received in the predetermined radio access scheme. The response includes information indicating one of said at least one radio access scheme which is used to communicate with the mobile station. | 03-05-2015 |
20150065122 | RADIO COMMUNICATION SYSTEM, RADIO STATION, NETWORK OPERATION MANAGEMENT APPARATUS, AND NETWORK HEALING METHOD - A radio communication system, a radio station, a network operation management apparatus, and a network healing method are provided that can suppress system performance degradation caused when a failure occurs in a radio base station, a network apparatus, or the like. In a radio communication system which includes multiple radio stations ( | 03-05-2015 |
20150078344 | RADIO COMMUNICATION SYSTEM, RADIO STATION, NETWORK OPERATION MANAGEMENT APPARATUS, AND NETWORK OPTIMIZATION METHOD - A radio communication system, a radio station, a network operation management apparatus, and a network optimization method are provided that make it possible to avoid performance degradation in the entire system when network optimization is performed individually. In the radio communication system in which radio stations perform network optimization based on statistical communication quality in at least one cell, a radio station ( | 03-19-2015 |