Abstract: A gateway information storage device (60) includes a gateway information storage unit (61) which stores gateway information indicating a gateway (GW) to which a mobile terminal (10) is being connected. An access device (20) includes: a gateway information acquiring unit (23) which acquires the gateway information from the gateway information storage device (60) in response to a connection request in handover that is received from the mobile terminal (10); and a connection processor unit (22) which establishes a connection between the mobile terminal (10) and a gateway (GW20B) identified by the gateway information acquired from the gateway information storage device (60).

Abstract: A mobile communication method according to the present invention includes a step of establishing, by a session control node S/P-CSCF, a prioritized-call bearer between a gateway device P-GW and a mobile station UE when an Invite signal including prioritized-call information is received; a step of transmitting, by the session control node S/P-CSCF, the Invite signal including the prioritized-call information to the gateway device P-GW after the prioritized-call bearer is established; and a step of transmitting, by the gateway device P-GW, the Invite signal including the prioritized-call information to the mobile station UE.

Abstract: A mobile station UE according to the present invention includes a control unit 12 configured, upon determination based on “EPC-MO-LR support” included in “Attach Accept” or “TAU Accept” received from a mobility management node MME that “EPC-MO-LR” is not supported in a mobile communication system of an E-UTRAN scheme, to switch the E-UTRAN scheme to a UTRAN scheme after establishing a connection in the mobile communication system of the E-UTRAN scheme, and then transmit “NAS MO-LR Request” to a mobile switching center SGSN/MSC.

Abstract: A mobile communication method according to the present invention includes a step A of releasing, by a gateway device S-GW, a first GBR bearer for a mobile station UE and transmitting “Downlink Data Notification” to a packet exchanger SGSN if a fault of a radio network controller RNC is detected in the state in which a second GBR bearer for the mobile station UE is set, a step B of transmitting, by the packet exchanger SGSN, “Paging” to the mobile station UE, and a step C of starting, by the packet exchanger SGSN, a procedure for releasing the second GBR bearer when no response to the “Paging” is received from the mobile station UE in a predetermined period.

Abstract: A mobile communication method according to the present invention includes a step A of releasing, by a gateway device S-GW, a first GBR bearer for a mobile station UE and transmitting “Downlink Data Notification” to a packet exchanger SGSN if a fault of a radio network controller RNC is detected in the state in which a second GBR bearer for the mobile station UE is set, a step B of transmitting, by the packet exchanger SGSN, “Paging” to the mobile station UE, and a step C of starting, by the packet exchanger SGSN, a procedure for releasing the second GBR bearer when no response to the “Paging” is received from the mobile station UE in a predetermined period.

Abstract: To eliminate the problems when a handover by a mobile station UE over a radio base station eNodeB is performed during a positioning process of the mobile station UE. A mobile management node MME according to the present invention is configured to transmit a transfer signal “S1-AP Downlink NAS Transport” including an LPP signal received from a positioning calculation node E-SMLC and the identification information of the E-SMLC to a radio base station eNodeB, and when a transmission failure reason included in a transmission failure notification signal “S1-AP NON DELIVERY INDICATION” received from the radio base station eNodeB indicates a positioning failure, the mobile management node MME transmits the transmission failure reason and the LPP signal included in the transmission failure notification signal “S1-AP NON DELIVERY INDICATION” to the positioning calculation node E-SMLC identified by the identification information of the E-SMLC included in the transmission failure notification signal.

Abstract: The mobile communication method according to the present invention includes: a step of acquiring and storing, by a mobile management node MME, Cell-ID for identifying a cell in which a mobile station UE exists, in an MM process; a step of transmitting, by the mobile management node MME, a positioning process signal “Location Request” including the stored Cell-ID to a positioning calculation node E-SMLC, in an LCS process; and a step of performing, by the positioning calculation node E-SMLC, a positioning process of the mobile station UE, using the Cell-ID included in the received positioning process signal “Location Request”, in the LCS process.

Abstract: The mobile communication method according to the present invention includes: a step of acquiring and storing, by a mobile management node MME, Cell-ID for identifying a cell in which a mobile station UE exists, in an MM process; a step of transmitting, by the mobile management node MME, a positioning process signal “Location Request” including the stored Cell-ID to a positioning calculation node E-SMLC, in an LCS process; and a step of performing, by the positioning calculation node E-SMLC, a positioning process of the mobile station UE, using the Cell-ID included in the received positioning process signal “Location Request”, in the LCS process.

Abstract: In a mobile communication system capable of switching between a first communication state and a second communication state, in a case of a first communication state, a VoIP media signal is exchanged between a mobile station. UE #1 and a mobile station UE #2 via an LTE radio access system and a node S-GW, a VoIP control signal is exchanged via the LTE radio access system, the node S-GW, and IMS, and in a case of a second communication state, a circuit-switched signal is exchanged between the mobile station UE #1 and an enhanced MSC/MGW via a 2G/3G radio access system, the VoIP media signal is exchanged between the enhanced MSC/MGW and the mobile station UE #2 via the node S-GW, and the VoIP control signal is exchanged between the enhanced MSC/MGW and the mobile station UE #2 via the node S-GW and the IMS.

Abstract: A mobile communication method according to the present invention comprising a step in which the mobile station activates a the reconnection waiting timer for GBR disconnection when RLF has been detected in the AS-GBR bearer, and the mobile station deletes AS bearer related to the AS-GBR bearer when expiration of the reconnection waiting timer for GBR disconnection has been detected before restoration of the AS-GBR bearer is detected, a step in which the mobile station activates a NAS-GBR bearer release timer when deleting the AS bearer information, and the mobile station deletes NAS bearer information related to the NAS-GBR bearer when expiration of the NAS-GBR bearer release timer has been detected.

Abstract: A service is transparently provided to a mobile terminal device without the mobile terminal device knowing an address of a service providing device or a device which relays a packet in a network. A packet between the service providing device which provides a service and a mobile terminal device 10 which receives the service is relayed by a mobility control node 21. An access router 12 inquires of another device about information on the mobility control node 21, and holds correspondence information between information obtained by an inquiry result and identification information of the mobile terminal device 10 in a table. Transfer of a packet between the mobile control node 21 and the mobile terminal device 10 is controlled based on the correspondence information held in the table. With this configuration, the network can transparently provide the service to the mobile terminal device without the mobile terminal device knowing the address of the device which relays the packet in the network.

Abstract: A mobile communication method according to the present invention comprising, a step in which a mobile station transmits a first location registration request signal including capability information indicating that it is compatible with a second radio access network, to a mobile switching center housing a first radio access network, a step in which the mobile switching center transmits a location registration rejection signal, which includes information indicating that communication using a second radio access network is not allowed, to the mobile station, a step in which the mobile station transmits a second location registration request signal, which includes capability information indicating that it is not compatible with the second radio access network, to the mobile switching center in response to the location registration rejection signal and a step in which the mobile switching center performs a location registration process with respect to the first radio access network of the mobile station in respons

Abstract: A radio base station according to the present invention comprising a mobile switching center MME, comprising, a location measurement request transmission unit configured to determine the mobile station location measurement type that must be performed corresponding to Provide Subscriber Location, the location measurement request transmission unit configured to transmit Location Request to the server device ESMLC when a determination is made to perform location measurement other than simple location measurement on the mobile station UE corresponding to Provide Subscriber Location, and a location measurement result transmission unit configured to transmit the mobile station location measurement result received from the radio base station eNB or the second server device ESMLC to the server device SMLC.

Abstract: The object of the present invention is provide a communication control system which can realize a dynamic routing control in units of flows without changing the conventional routing protocol. The routing controller comprises an address information provision requester configured to request the first router to provide address conversion information in accordance with the received predetermined trigger and an address conversion information processing requester configured to request the second router to perform a predetermined processing related to the address conversion information acquired from the first router.

Abstract: A mobile communication method according to the present invention includes the steps of: (A) disconnecting a core network bearer when it is determined that a mobile station (UE) visits a radio access network of the W-CDMA scheme and communication is not performed via the core network bearer for a predetermined period; and (B) holding the core network bearer when it is determined that the mobile station (UE) visits a radio access network of the LTE scheme and communication is not performed via the core network bearer for the predetermined period.

Abstract: There are provided a method, a network system, and a router capable of decreasing the chance of VRM or VLM changes so as to reduce signaling, and consequently contributing to better scalability. The method is applied to mobility management used in an IP-based network system, which contains a plurality of access routers (AR), location managers (LM) and routing managers (RM), through which a mobile node (MN) transmits and receives information. According to the method, a visited routing manager (VRM) where the MN is currently located monitors the MN, an AR currently communicating with the MN discriminates whether or not the MN is moving out of its connectivity range, and the VRM discriminates whether or not the MN is moving out of its control range. Then, the method switches mobility management over from the current AR to a new AR in accordance with the discrimination results, and switches mobility management over from the current VRM to a new VRM in accordance with the discrimination result.

Abstract: A message distribution method according to the present invention includes the steps of: (A) determining, at a message distribution station (CBC), distribution area information and a distribution type, based on a message distribution request received from a flash report transmission station (CBE) and containing distribution target area information, and reporting, from the message distribution station (CBC) to a radio base station (eNB), the distribution area information and the distribution; and (B) determining, at the radio base station (eNB), the distribution area, based on the distribution area information and the distribution type, and distributing, from the radio base station to the mobile station in the distribution area, a predetermined message.

Abstract: An emergency information reporting method, wherein a broadcast equipment (CBC) transmits an emergency information reporting message including a distribution area and emergency information to a switching center (MME) corresponding to the distribution area, the switching center (MME) generates an emergency information reporting message including cell identification information and transmits the message to a wireless base station (eNB) which manages the cell corresponding to the distribution area included in the received emergency information reporting message, and the wireless base station (eNB) broadcasts the emergency information included in the received emergency information reporting message to the cell corresponding to the cell identification information included in the emergency information reporting message.

Abstract: A mobile station includes a cell selector unit for performing a cell reselection procedure for a predetermined period after a failure of detection of a radio link with a first radio base station which manages a first cell, a connection re-establishment request signal transmitter unit for transmitting a connection re-establishment request signal to a second radio base station managing a selected second cell, when it is determined that the second cell is a cell using a same radio access scheme as that of the first cell, and a connection recovery procedure starter unit for starting a connection recovery procedure for a mobile exchange station managing the second radio base station, when it is determined that a response signal received from the second base station in response to the connection re-establishment request signal indicates rejection of connection re-establishment.

Abstract: The system includes a mobile node (101) communicating with a correspondent node (102), a home agent node (131) managing the mobile node (101), a proxy node (121) being located closer to the mobile node (101) than the home agent node (131) and relaying the packets from the mobile node (101) to the home agent node (131), and a routing manager (141) managing a route of the packets. The proxy node (121) detects a trigger of a packet route optimization and notifies the routing manager (141). The proxy node (121) establishes the optimized routing path according to a command received from the routing manager (141) and routes the packets through the established routing path using a secure method.