Abstract: To transmit a “CELL UPDATE message” in a radio access network not supporting “Additional Dynamic Transport Format Information for CCCH,” a mobile station UE according to the present invention includes a transmitting unit 13 configured to transmit a “CELL UPDATE message” to a radio access network in a “CELL UPDATE procedure,” and the transmitting unit 13 includes a predetermined information element in the “CELL UPDATE message” only when the radio access network supports the “Additional Dynamic Transport Format Information for CCCH.

Abstract: An objective is to avoid a situation where a mobile station UE, which is not a CSG member, uses a CSG cell as an Scell in CSG control. A radio base station eNB according to the invention includes a management unit 12 configured to manage at least one of a Pcell list and an Scell list, a reception unit 11 configured to acquire at least one of Pcell member information and Scell member information from a mobile station UE in a cell #10, and a control unit 13 configured to determine whether or not the mobile station UE can connect to the cell #10 as a Pcell and determine whether or not the mobile station UE can configure the cell #10 as an Scell by referring to the management unit 12 based on at least one of the Pcell member information and the Scell member information.

Abstract: A mobile communication method according to the present invention includes executing an RA procedure between a mobile station (UE) and a radio base station (eNB) when the mobile station (UE) in a DRX state makes a return to a non-DRX state in order to perform call origination processing. The method comprises: a step A of causing the radio base station (eNB) in the RA procedure to transmit “Call Identification Request” to the mobile terminal (UE); a step B of causing the mobile terminal (UE) in the RA procedure to notify the radio base station (eNB) of “Call Identification” in response to the “Call Identification Request”; and a step C of causing the radio base station (eNB) in the RA procedure to determine whether to allow the abovementioned return on the basis of the “Call Identification”.

Abstract: In order to suppress an increase in signal quantity attributed to repetition of transition to a “Preservation state” and return to an “Active state” when multiple applications are operated independently, a mobile station (UE) of the invention includes: a management unit (12) which manages a transmission timing for regular data not involving a user operation in each of multiple applications (#1 to #N); and a transmission unit (13) which transmits a “RRC CONNECTION REQUEST” to a radio access network when the mobile station (UE) transitions from a “Preservation state” to an “Active state.” The transmission unit (13) is configured to adjust a transmission timing for the “RRC CONNECTION REQUEST” based on the transmission timings for the regular data not involving the user operation in the multiple applications (#1 to #N).

Abstract: A signal load onto a mobility management node MME is reduced by defining a case which does not require “Path Switch” when X2 handover processing is performed for a mobile station UE. A radio base station eNB#1 according to the present invention includes a handover processing unit 14 configured not to perform “Path Switch” when performing X2 handover processing for a mobile station to a radio base station eNB#2 having the same “Virtual eNB ID#1” as the radio base station eNB#1.

Abstract: During a transition procedure from a first communication system to a second communication system, when the priority of a second communication call, whose setup is requested, is the first priority, the second communication system does not set up the bearer of a first communication call between the second communication system and the mobile communication terminal, and notifies the first communication system that the setup of the first communication is not possible, but the setup of the second communication call is possible. When notified that the setup of the first communication is not possible, but the setup of the second communication call is possible, the first communication system aborts the handover procedure, and instructs the mobile communication terminal to switch to the second communication system by another procedure.

Abstract: There is disclosed user equipment including a communication unit for executing carrier aggregation and for executing communication through a plurality of carriers, and an antenna pictogram display unit for displaying, through an antenna pictogram, at least whether communication is allowed. When execution of the carrier aggregation is allowed, the antenna pictogram display unit displays an indication that the execution of the carrier aggregation is allowed together with at least one antenna pictogram.

Abstract: An object is to provide a mobile station, a mobile communication system, and a network device that can realize more appropriate call origination control per service as intended by an operator. An MMTEL function unit (120) of a UE (100), based on ssac-BarringForMMTEL-Voice, upon determining that call origination of a VoLTE call is possible, transmits Bearer Request to an NAS function unit (170). The NAS function unit (170), in accordance with the Bearer Request, transmits Service Request to an RRC function unit (190). The RRC function unit (190), in accordance with the Service Request, based on ac-BarringForMO-Data or Tbarring, transmits RRC Connection Request to a mobile communication network (200) without determining a possibility of call origination of the VoLTE call.

Abstract: A mobile communication method according to the present invention includes a step of a mobile station UE transmitting a connection setup request signal containing a radio access capability of the mobile station eNB to a radio network controller RNC of a UMTS scheme, upon detecting a predetermined trigger while camping on in a cell of the first communication scheme, a step of the radio network controller RNC of the UMTS scheme transmitting an instruction signal for instructing setup of a connection in a cell of an LTE scheme to the mobile station UE, in a case where the radio access capability of the mobile station UE is contained in the received connection setup request signal, and a step of the mobile station UE setting up the connection in the cell of the LTE scheme in response to the received instruction signal.

Abstract: To suppress increase in the amount of signals due to repetition of transition to a “Preservation state” and return to an “Active state,” a mobile station UE according to the present invention includes: a receiving unit 13 configured to receive access restriction information against communication satisfying a predetermined condition during the “Preservation state,” from a radio access network; and a transmitting unit 12 configured to transmit an “RRC CONNECTION REQUEST” to the radio access network in a case where the mobile station UE transitions from the “Preservation state” to the “Active state.” The transmitting unit 12 is configured to decide whether or not to transmit an “RRC CONNECTION REQUEST” for the communication satisfying the predetermined condition, on the basis of the access restriction information.

Abstract: A UE 300 is connectable to a first radio communication system and a second radio communication system which differs from the first radio communication system and uses multiple frequency bands. The UE 300 receives RRC CONNECTION REJECT which gives an instruction to switch from the first radio communication system to the second radio communication system and an indication on multiple switching target frequencies included in the frequency bands used by the second radio communication system, and, if the multiple switching target frequencies include an unavailable frequency at which the UE 300 is incapable of transmission/reception, searches for only a cell of a switching target frequency among the multiple switching target frequencies exclusive of the unavailable frequency.

Abstract: A mobile communication method according to the present invention includes the steps of: transmitting an “Extended Service Request” from a mobile station UE in Idle mode to a mobility management node MME via a radio base station eNodeB; transmitting an “Initial UE Context Setup Request” from the mobile station UE to the radio base station eNodeB, the “Initial UE Context Setup Request containing priority call information; and preferentially allocating resources to the E-RAB for the mobile station UE by the radio base station eNodeB based on the priority call information contained in the received “Initial UE Context Setup Request.

Abstract: A mobile communication terminal or radio access network that shortens a time of an out-of-service state while suppressing an increase of power consumption. The mobile communication terminal includes a communication control unit configured to make a cell selection using a parameter X notified by a network, if the terminal has failed to transmit an RRC connection request to a currently-visited cell #A N successive times.

Abstract: Priority control is performed using FPIs. A radio base station eNB according to the present invention includes: a bearer management unit 12 configured to manage FPIs assigned to data flows received from a core network device S-GW via an S1 bearer; and a priority control unit 13 configured to perform priority control over the data flows received from the core network device S-GW via the S1 bearer, in which the bearer management unit 12 establishes a radio bearer with a mobile station UE for each of the FPIs, and the priority control unit 13 transfers each data flow received from the core network device S-GW via the S1 bearer, to the radio bearer corresponding to the FPI assigned to the data flow.

Abstract: An object is to perform a priority control that is more elaborate than that is performed by using a QCI. In a mobile communication system according to the present invention, a mobility management node MME notifies a radio base station eNB, in an “Initial Context Setup procedure” or an “E-RAB Setup Procedure”, following pieces of information in an associated form: an “E-RAB ID” of an E-RAB to be established between a gateway device S-GW and a mobile station UE; one QCI that is assigned to the E-RAB; and one FPI that is assigned to data flow transmitted on the E-RAB. A radio base station eNB establishes, in response to the notification, one S1 bearer corresponding to the E-RAB between the gateway device S-GW and the radio base station and one DRB corresponding to the E-RAB between the mobile station UE and the radio base station.

Abstract: A radio control apparatus determines a call type of a communication terminal, and transmits a release redirection control signal to the communication terminal. When the call type is a general call, the release redirection signal not including broadcast information is transmitted to the communication terminal. When the call type is an important communication call, the release redirection control signal including the broadcast information is transmitted to the communication terminal.

Abstract: A radio base station of the invention includes: a measurement unit 12 configured to measure a throughput of an “Immediate MDT” target mobile station UE; and a management unit 13 configured to manage a CA-related state of the “Immediate MDT” target mobile station UE, together with the throughput of the “Immediate MDT” target mobile station UE which is measured by the measurement unit 12.

Abstract: A user is easily informed of applications to be restricted easily when restriction processing on per application basis is being carried out. A mobile station according to the present invention includes: a storage unit configured to store one or more applications executable on the mobile station; a display unit configured to display an icon for each application on a display; and a determination unit configured to determine an application to be restricted based on SSAC information or ACDC information. The display unit is configured to use different display methods between the icon for the application to be restricted and the icon for the application other than the application to be restricted.

Abstract: A mobile communication method of the present invention includes step A of measuring an amount of traffic for a mobile station UE in a connection state A which is a state where the mobile station UE is connected to an access point APN #1 of an operator network via a radio base station BTS and a core network device CN, and step B of switching the connection state of the mobile station UE from the connection state A or B to a connection state C which is a state where the mobile station UE is connected to an access point APN #2 of Internet via the radio base station BTS while bypassing the connection network device CN if it is determined the measured amount of traffic satisfies a predetermined condition.

Abstract: A mobile communication method includes: a step of transmitting, by a radio base station eNB#3, “Forwarding Request” on downlink user data addressed to a mobile station UE to a radio base station eNB#1; a step of switching, in response to the “Forwarding Request”, by the radio base station eNB#1, a forwarding destination of the downlink user data addressed to the mobile station UE from the radio base station eNB#2 to the radio base station eNB#3; and a step of transmitting, by the radio base station eNB#3, the downlink user data addressed to the mobile station UE to the mobile station UE.