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, the radio device RNC, Node B includes: a creation unit 11 configured to create, on the basis of the notification information received from the distribution server, simplified information indicating content of the notification information, and detailed information indicating content of the notification information with a greater amount of information than that of the simplified information; a simplified information transmitter unit 12, 34 configured to transmit the simplified information to the mobile station by use of a control channel for starting the broadcast communication; and a detailed information transmitter unit 15, 35 configured to transmit the detailed information to the mobile station by use of a traffic channel for broadcast communication, and the mobile station UE includes: a display unit 55, 58 configured to display the received detailed information, after displaying the received simplified information.

Abstract: A radio access network apparatus includes: a discontinuous reception management unit configured to manage a reception state (a discontinuous reception state or a continuous reception state) for each of one or more mobile stations; a determination and announcement unit configured to determine and announce a correspondence relationship between a discontinuous reception channel and a shared data channel for each mobile station; and a scheduling unit configured to perform scheduling of a downlink shared data channel, wherein, when a paging signal to the mobile station in the discontinuous reception state occurs, the radio access network apparatus transmits the paging signal to the mobile station using the shared data channel determined based on the correspondence relationship.

Abstract: When MBMS communication is performed, a radio resource is efficiently used. A mobile communication method according to the present invention includes a step of notifying, by a radio base station eNB, the configuration of an MBSFN subframe through SIB2, and a step of receiving, by a mobile station UE, a PDSCH signal, which is transmitted in the MBSFN subframe through unicast communication, based on a PDCCH signal generated using C-RNTI of the mobile station UE when a PDCCH signal generated using MBSFN_Off-RNTI and a PDCCH signal generated using the C-RNTI of the mobile station UE have been received in a predetermined OFDM symbol in the MBSFN subframe.

Abstract: In a transmission restarting method of restarting transmission of downlink user data to a mobile station (UE) in a discontinuous reception state; a radio base station (eNB) allocates a radio resource for downlink data transmission to the mobile station (UE), and notifies, to the mobile station (UE), the allocated radio resource for downlink data transmission; the radio base station (eNB) restarts transmission of downlink user data to the mobile station (UE) by using the allocated radio resource for downlink data transmission; and the radio base station (eNB) stops transmission of the downlink user data when a predetermined condition is detected.

Abstract: A radio base station eNB according to the present invention includes: a PRS transmission unit 12 configured to transmit PRS in subordinate cells #1 to #3; and a PDCCH signal transmission unit 10 configured to, when transmitting the PRS in the cells #1 to #3, generate and transmit a PDCCH signal by using PRS-RNTI.

Abstract: A mobile communication method according to the present invention includes: a step in which a mobile station UE transmits “Measurement Report” including identification information “ECGI” on a cell subordinate to a radio base station eNB, to a radio base station HeNB; a step in which a radio base station HeNB transmits “(X2) HO Request” including the identification information “ECGI” of the cell subordinate to the radio base station eNB, to an IP address of a gateway device HeNB-GW; and a step in which the gateway device HeNB-GW transfers the “(X2) HO Request” to the IP address corresponding to the identification information “ECGI” on the cell subordinate to the radio base station eNB.

Abstract: A mobile communication method according to the present invention comprising the relay node RN configured to the method comprising a step in which the relay node RN transmits the “X2-AP (UE): Handover Request” to the radio base station DeNB #2, a step in which the radio base station DeNB #2 acquires the K_eNB* and the MAC from the radio base station DeNB #1, a step in which the radio base station DeNB #2 generates the KeNB based on the acquired K_eNB* and the MAC, and a step in which the radio base station DeNB #2 generates the K_RRCint, the K_RRCenc, and the K_UPenc based on the generated KeNB.

Abstract: A mobile communication method according to the present invention is summarized in that it includes: a step in which a mobile station UE sends “Measurement Report” including location registration area information “TAI” and identification information “ECGI” on a cell subordinate to a radio base station HeNB, to a radio base station eNB; a step in which the radio base station eNB sends “(X2) HO Request” including the identification information “ECGI” on the cell subordinate to the radio base station HeNB to an IP address of a gateway apparatus HeNB-GW corresponding to the location registration area information “TAI”; and a step in which the gateway apparatus HeNB-GW transfers the “(X2) HO Request” to the IP address corresponding to the identification information “ECGI” on the cell subordinate to the radio base station HeNB.

Abstract: A radio base station (200A) according to the present invention includes: a radio related information retainer unit (206) configured to retain radio related information on connection between a mobile station (100) and the radio base station (200A); a handover request signal generator/transmitter unit (208) configured to transmit a handover request signal including the radio related information retained by the radio related information retainer unit (206) to a connection target radio base station (200B); and a handover command signal generator/transmitter unit (202) configured to transmit, to the mobile station, a handover command signal for notifying difference information between the radio related information retained by the radio related information retainer unit (206) and radio related information set by the connection target radio base station (200B) based on a handover request acknowledgment signal.

Abstract: A broadcast information notification method according to the present invention includes: starting to repeatedly transmit, at a network node, a broadcast message irrespective of transmission timing of a paging message, when the network node is instructed to notify a mobile station of the broadcast information; receiving, at the mobile station, a broadcast message reception parameter by using a parameter specified by the paging message transmitted by the network node at a predetermined timing; receiving, at the mobile station, a receivable broadcast message by using the received broadcast message reception parameter; and performing, at the mobile station, processing corresponding to the broadcast information.

Abstract: A mobile communication method according to the present invention comprising a step in which the mobile switching center MME transmits Attach Accept including the KeNB to the relay node RN in response to the received Attach Request, a step in which the radio base station DeNB generates the K_RRCint, the K_RRCenc, and the K_UPenc based on the received KeNB, and notifies the relay node RN of only the K_RRCint and the K_RRCenc, and a step in which the relay node RN saves the notified K_RRCint and K_RRCenc.

Abstract: A mobile communication method according to the present invention includes the steps of: (A) activating, at the radio base station (eNB), a first timer, upon transmission of a downlink data signal to the mobile station (UE) operating in a continuous reception cycle; (B) transmitting, from the radio base station (eNB) to the mobile station (UE), a change instruction instructing the mobile station (UE) to change a reception cycle of the mobile station (UE) from the continuous reception cycle to a first discontinuous reception cycle, and releasing the uplink dedicated resources, when the first timer expires with no downlink data signal transmitted after the activation of the first timer; and (C) changing, at the mobile station (UE), the reception cycle of the mobile station (UE) from the continuous reception cycle to the first discontinuous reception cycle, and releasing the uplink dedicated resources, in response to the received change instruction.

Abstract: A mobile station according to the present invention includes: a communication unit (14) configured to start a first communication using information included in a MIB, a SIB 1 and handover command in a handover-target cell when a broadcast information reception unit (12) succeeds in receiving the SIB 1, and to perform a second communication using information included in the MIB and the handover command in the handover-target cell when the broadcast information reception unit (12) fails to receive the SIB 1.

Abstract: A radio base station eNB according to the present invention includes: an upper-layer information transmission unit 11 configured to transmit a length of CP used in neighbouring cells #1 to #3; and a PRS transmission unit 12 configured to transmit, when the subordinate cell #2 is included in the neighbouring cells #1 to #3, the PRS generated based on the length of CP, in the subordinate cell #2.

Abstract: A mobile communication method according to the present invention comprising a step A in which, when a predetermined trigger is detected, the radio base station DeNB notifies the relay node RN of a transmission timing of an MBSFN subframe by a signal for changing the configuration of an RRC connection that is set between the radio base station DeNB and the relay node RN, a step B in which the radio base station DeNB performs scheduling such that a downlink signal is transmitted to the relay node RN at the transmission timing of the MBSFN subframe, and a step C in which the relay node RN performs scheduling such that a downlink signal is transmitted at a timing other than the transmission timing of the MBSFN subframe.

Abstract: A radio base station according to the present invention comprising the radio base station eNB#2 comprising a transmission unit 11 configured to transmit C-RNTI that can be used in the cell #2, to the radio base station eNB #1, in response to “HO Preparation (a handover preparation signal)” received from the radio base station eNB #1 that manages the cell #1, and a resource assignment unit 14 configured to notify a radio resource assigned to the mobile station UE by using C-RNTI included in “HO Complete”, when it is determined that C-RNTI included in “HO Complete” received from the mobile station UE that can be used in the cell #2.

Abstract: A mobile communication system according to the present invention comprising a plurality of Un radio bearers set between the plurality of mobile stations UE and the relay node RN, each of Un radio bearers for a predetermined QoS set for different mobile stations UE is configured to be mapped to a Un radio bearer for the predetermined QoS set between the relay node RN and the radio base station DeNB.