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Takahisa Aoyama, Kanagawa JP

Takahisa Aoyama, Kanagawa JP

Patent application numberDescriptionPublished
20090003477Radio Communication Base Station Apparatus and Report Channel Signal Transmission Band Setting Method - Provided is a base station capable of effectively transmitting BCH data. The base station (01-01-2009
20090011795RADIO COMMUNICATION BASE STATION DEVICE, RADIO COMMUNICATION TERMINAL DEVICE, AND RADIO COMMUNICATION SYSTEM - Provided are a radio communication base station device, a radio communication terminal device, and a radio communication system capable of reducing the processing load of a base station and an access gateway in a cell reselection process. When desynchronization between a terminal (01-08-2009
20090016264PACKET TRANSFER METHOD IN COMMUNICATION NETWORK SYSTEM AND PACKET PROCESSING METHOD IN COMMUNICATION DEVICE CONSTITUTING THE SYSTEM - There is disclosed a technology in which a packet to be sent to a mobile terminal (an MN), distributed from a correspondent node (a CN), can surely reach the MN even in a situation in which the MN is moving. According to the technology, identification information of a plurality of access routers (ARs) 01-15-2009
20090046592WIRELESS COMMUNICATION BASE STATION APPARATUS, WIRELESS COMMUNICATION MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication method and a wireless communication system wherein any communication interruption caused by changing RRB arrangement information can be avoided. In ST02-19-2009
20090186614RADIO COMMUNICATION TERMINAL DEVICE, RADIO COMMUNICATION BASE STATION DEVICE, AND RADIO COMMUNICATION METHOD - It is possible to provide a radio communication terminal device, a radio communication base station device, and a radio communication method capable of rapidly completing a handover even during DRX/DTX. In the devices and the method, a terminal (07-23-2009
20090219902RADIO COMMUNICATION TERMINAL DEVICE, RADIO COMMUNICATION CONTROL STATION DEVICE, AND RADIO COMMUNICATION METHOD - Provided are a radio communication terminal device, a radio communication control station device, and a radio communication method capable of effectively managing a radio resource allocated to a terminal and context such as registration information when the terminal compatible with a plurality of different RATs moves between the RATs. According to them, when the WLAN Network control unit (09-03-2009
20090247163RADIO COMMUNICATION BASE STATION DEVICE - Provided is a radio communication base station device capable of reducing a message size in a call connection. In the device, a report information creation unit (10-01-2009
20090270086WIRELESS COMMUNICATION TERMINAL APPARATUS, NETWORK APPARATUS, WIRELESS COMMUNICATION SYSTEM AND TELEPHONE CALL CONNECTING METHOD - A wireless communication terminal apparatus, a network apparatus, a wireless communication system and a telephone call connecting method wherein the increasing of the number of indexes is suppressed and a preconfiguration is applied to a multi-call. A multi-call additional information deciding part (10-29-2009
20090270100RADIO COMMUNICATION TERMINAL DEVICE, NETWORK DEVICE, MOBILE COMMUNICATION SYSTEM, AND POSITION REGISTERING METHOD - Disclosed are a radio communication terminal device for reducing a power consumption needed for releasing an RRC Connection after a position registration, a network device, a mobile communication system and a position registering method. In this position registering method, in case the RRC state of a UE is in an Idle state at ST501, the UE sets flag=1, whereas the RRC Connection is established between the UE and a UTRAN. The flag set at ST501 is sent at ST504 to the UTRAN, and the flag received by the UTRAN is stored at ST505. At ST507, an RA Update Accept received by the UTRAN is sent to the UE, and the RRC Connection is released in case the value of the flag stored at ST505 is 1. When the UE receives a DOWNLINK DIRECT TRANSFER, on the other hand, the RRC Connection is released in case the value of the flag set at ST501 is 1.10-29-2009
20090275319WIRELESS COMMUNICATION TERMINAL APPARATUS, WIRELESS COMMUNICATION BASE STATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND TELEPHONE CALL CONNECTING METHOD - A wireless communication terminal apparatus, a wireless communication base station apparatus, a wireless communication system and a telephone call connecting method wherein the message size in a telephone call connection can be reduced. A broadcast information producing part (11-05-2009
20100048209Wireless Communication Terminal Apparatus and Wireless Communication Method - A wireless communication terminal apparatus and a wireless communication method wherein a measurement operation, which is suitable for a long DRX/DTX interval, is controlled without providing any new signaling between a terminal and a base station. When a DRX threshold terminal status determining part (02-25-2010
20100165905CORE NETWORK DEVICE, RADIO COMMUNICATION BASE STATION DEVICE, AND RADIO COMMUNICATION METHOD - It is possible to provide a core network device, a radio communication base station device, and a radio communication method which can improve the radio resource use efficiency of the entire network without increasing UE battery consumption. According to the devices and the method, a user quantity counting unit (07-01-2010
20100189027RADIO TRANSMISSION METHOD, RADIO RECEPTION METHOD, RADIO TRANSMISSION-RECEPTION METHOD, RADIO TRANSMISSION APPARATUS, RADIO RECEPTION APPARATUS, RADIO TRANSMISSION-RECEPTION SYSTEM, BASE STATION APPARATUS, AND COMMUNICATION TERMINAL - A radio communication base station apparatus, a radio communication terminal, and radio transmission and reception methods for a terminal to efficiently acquire the service status of the neighbor-cell before the terminal makes a cell change are provided. A subarea ID storage section 07-29-2010
20100190487GAP SUPPORT MEASURING METHOD - Disclosed is a gap support measuring method which performs autonomous gap allocation without lowering the data transfer rate or the throughput. ST07-29-2010
20100197316RADIO TRANSMITTING/RECEIVING METHOD AND RADIO COMMUNICATION TERMINAL - A radio communication terminal capable of efficiently performing DRX or DTX. The terminal comprises an on-period determining section (08-05-2010
20100216454RADIO TRANSMISSION DEVICE, RADIO RECEPTION DEVICE, CELL SWITCHING METHOD, AND RADIO COMMUNICATION SYSTEM - It is possible to provide a radio transmission device, a radio reception device, and a radio communication system which can effectively use a resource of a unicast/MBMS cell and prevent increase of a signaling amount accompanying a cell switching. A UE measures a reception level of an MEMS-dedicated cell. When the measured reception level is below a first threshold value, the UE switches the serving MBMS cell from the MBMS-dedicated cell to the unicast/MBMS cell. Moreover, when the reception level of the MBMS-dedicated cell exceeds a second threshold value obtained by adding an offset value to the first threshold value, the serving MBMS cell is switched from the unicast/MBMS cell to the MBMS-dedicated cell.08-26-2010
20100222023RADIO COMMUNICATION BASE STATION DEVICE AND CALL CONNECTION METHOD - Disclosed are a base station device and a call connection method for reducing a call connection delay. According to the device and the method; in ST09-02-2010
20100234034WIRELESS COMMUNICATION BASE STATION DEVICE AND WIRELESS COMMUNICATION METHOD - Provided are a wireless communication base station device and a wireless communication method by which overhead is reduced in MBMS of LTE. An MBMS SIB creating section (09-16-2010
20100254320WIRELESS TRANSMITTING APPARATUS, WIRELESS RECEIVING APPARATUS AND WIRELESS COMMUNICATION METHOD - Provided is a wireless transmitting apparatus, a wires receiving apparatus and a wireless communication method, by which contents of an RRC message can be changed in retransmission by an RRC and setting corresponding to the change can be efficiently performed. At the time of retransmitting the RRC message from a transmitting apparatus (10-07-2010
20100271966COMMUNICATION SYSTEM, RESOURCE MANAGEMENT DEVICE, WIRELESS BASE STATION AND WIRELESS COMMUNICATION TERMINAL - Disclosed is a technique of efficiently collecting communication quality information with excellent responsiveness in wireless resource management. According to the technique, a RRM 10-28-2010
20100278146CELL SELECTION SYSTEM, CELL SELECTION METHOD, AND MOBILE TERMINAL - A cell selection system is for selecting a cell to be used for communications by a mobile terminal (11-04-2010
20100309803RADIO COMMUNICATION TERMINAL DEVICE AND GAP ALLOTTING METHOD - The invention provides a wireless communication terminal device and a gap allotting method capable of completing a measuring process at high speed and reducing the number of retransmissions. Upon determining that the average number of retransmissions exceeds the parameter for the average number of retransmissions in gap length change judging unit (12-09-2010
20100330994BASE STATION, RADIO COMMUNICATION SYSTEM, AND HANDOVER METHOD - When a handover request for performing a handover of a terminal (12-30-2010
20110002294COMMUNICATION SYSTEM, COMMUNICATION CHANNEL EFFICIENCY IMPROVING DEVICE, AND RADIO COMMUNICATION TERMINAL - A technique is disclosed, according to which the efficiency of a communication channel where the communication is performed between radio communication terminals. According to this technique, under the network condition where different types of connection can be made to different types of networks, radio communication terminals performing communication with each other can perform communication by being connected to the same access network. For instance, by changing the connection of UE_a01-06-2011
20110096723RADIO COMMUNICATION BASE STATION DEVICE, CORE NETWORK DEVICE, RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION TERMINAL, AND RADIO COMMUNICATION METHOD - A radio communication base station device, core network device, radio communication system, radio communication terminal, and radio communication method all enabling reduction of the delay caused when a call connection is carried out simultaneously even when security setting and data channel setting are both carried out when the first call connection is carried out. In attaching stored setting information by an index imparting method different with each terminal, a base station sets security for a terminal and transmits it to the terminal. In call connection, the base station checks the status of the stored setting information transmitted from the terminal and the stored setting information list and transmits the index to the terminal under the condition that the CN, the base station, and the terminal hold common stored setting information.04-28-2011
20110110334COMMUNICATION SYSTEM, COMMUNICATION PROCESSING DEVICE AND AUTHENTICATION PROCESSING DEVICE - Disclosed is a technique to enable a session handover between devices with different key generation functions in an authentication protocol. According to the technique, when a session where a UE (05-12-2011
20110134882COMMUNICATION SYSTEM, TERMINAL DEVICE, BASE STATION, COMMUNICATION QUALITY MANAGEMENT METHOD, AND PROGRAM - In a communication system (06-09-2011

Patent applications by Takahisa Aoyama, Kanagawa JP