Abstract: A controller in a mobile communication system includes a management unit (151) configured to manage a resource usage condition in the mobile communication system and a determination unit (152) configured to determine a timer value for determining a frequency of transmitting a state transition request signal for causing a user equipment to transition to a power saving state after completion of communication of a data signal depending on the resource usage condition, and the timer value determined by the determination unit (152) is broadcast to the user equipment.

Abstract: A mobile communication method according to the present invention includes step of causing a mobile station 300 standing by in a cell under a control of a radio base station 202 to send identification information of the mobile station and special identification information; step of, upon receipt of the special identification information, determining whether or not the mobile station 300 has access permission to a radio base station 200 based on the received identification information of the mobile station 300 and identification information of a second radio base station; and step of, when it is determined that the mobile station 300 has access authorization to the radio base station 200, instructing the mobile station 300 to change a radio communication parameter used by the mobile station 300.

Abstract: A mobile communication system 100 includes a specific cell configured to allow a specific user to be provided with a service and to allow a non-specific user other than the specific user to be provided with a limited service. The mobile communication system 100 includes a management unit 23 configured to manage a presence state of the non-specific user in the specific cell in addition to a presence state of the specific user in the specific cell.

Abstract: A network apparatus 20 includes a determination unit 23 configured to determine whether or not to transmit a connection instruction message instructing a UE 10 to connect with a second communication system to the UE 10. The determination unit 23 determines that a second communication instruction message is to be transmitted to the UE 10 when an elapsed time period after transmission of a first connection instruction message to the UE 10 exceeds a predetermined time period, and determines that the second connection instruction message is not to be transmitted to the UE 10 when the elapsed time period does not exceed the predetermined time period.

Abstract: A radio network controller connected to multiple exchanges in a mobile communication system includes an exchange side interface configured to communicate with the multiple exchanges, a mobile station side interface configured to receive a call connection signal from a mobile station via a radio base station, a management unit configured to manage congestion levels indicative of congestion states of the respective exchanges and a control unit. The exchange side interface acquires the congestion levels from the respective exchanges, and the control unit determines to transfer a predefined ratio of call connection signals destined for an exchange having a higher congestion level to an exchange having a lower congestion level, the ratio being predefined corresponding to the congestion level.

Abstract: A network apparatus 20 includes a management unit 22 configured to manage each of a plurality of second cells provided in the second communication system and a priority level in association with each other, the priority level weighted depending on whether a connection to each of the plurality of second cells has succeeded or failed, and a selection unit 23 configured to select a connection destination cell with which the mobile communication terminal is to be connected among the plurality of second cells based on the priority level associated with each of the plurality of second cells.

Abstract: A call admission control method according to the present invention includes the steps of: receiving, at a first radio controller apparatus (01), a call setting instruction for a first mobile station (01) located in a first cell (01), from a core network; and setting an access link between the first radio controller apparatus (01) and a first radio base station (01) serving the first cell (01), and setting a first radio link between the first radio base station (01) and the first mobile station (01) in the first cell (01), when a group ID of the first mobile station (01) included in the call setting instruction is determined to be managed by the first radio controller apparatus (01) as a group ID of a mobile station allowed to perform communications in the first cell (01).

Abstract: A radio network controller for a wireless communication system, in which a dedicated channel and an enhanced dedicated channel are switched and assigned for an uplink for each call, includes a throughput estimation unit that estimates a throughput, wherein the throughput is expected when the enhanced dedicated channel is assigned to a call to be transmitted by a mobile station to which the dedicated channel has been assigned and/or to a call to be transmitted by a mobile station that initiates a communication; a packet access scheme selection unit that selects the enhanced dedicated channel, when the throughput estimated by the throughput estimation unit is greater than or equal to a predetermined threshold value; and a packet access scheme setting unit that sets the enhanced dedicated channel, when the packet access scheme selection unit selects the enhanced dedicated channel.

Abstract: A communication controller and a communication controlling method are provided, even when functionalities of the communication controller included in a communication system such as UTRAN or the like, so that the services of the functionalities are available broadly in the whole system. An RNC 102 for controlling a movable communication terminal device, in cooperation with the communication controller, receives a request for provision of a service.

Abstract: The first communication system is configured to determine whether or not to provide information that instructs the UE 10 to connect to the second communication system, based on a subscriber identifier allocated to the UE 10. The subscriber identifier is configured to identify whether or not the UE 10 is allowed to utilize the second communication system.

Abstract: A mobile communication method according to the present invention includes the steps of: after a mobile station UE having RRC connection with the radio network controller RNC gets out of the coverage of the mobile communication system of WCDMA scheme, performing location registration to the mobile communication system of LTE scheme, issuing a notification to the radio network controller RNC by the exchange apparatus SGSN upon reception of predetermined signal, the notification implying that the mobile station UE performs the location registration to the mobile communication system of LTE scheme; and the radio network controller RNC releasing the resources for RRC connection without transmitting a signal to release the resources to the mobile station UE in response to the notification from the exchange apparatus SGSN.

Abstract: A mobile communication method according to the present invention includes step A of instructing, by a radio access network apparatus of a first communication scheme, a mobile station having first radio connection established with the radio access network apparatus of the first communication scheme to switch to a mobile communication system of a second communication scheme, and step B of notifying the mobile station of a priority by the mobile communication system of the second communication scheme using a predetermined signal after the mobile station establishes second radio connection with a radio access network apparatus of the second communication scheme, the priority used to determine a communication system for camping-on by the mobile station.

Abstract: A radio network control device in a mobile communication network includes a first communication unit communicating with a packet switching device in a packet switched domain; a second communication unit communicating with a circuit switching device in a circuit switched domain; and a management unit transmitting information to the packet switching device, the information indicating whether the radio network control device can correctly communicate with the circuit switching device. The management unit transmits the information when transmitting a signal to the packet switching device via the first communication unit, the signal indicating whether the radio network control device can correctly communicate with the packet switching device, or when transmitting an attach request signal to the packet switching device via the first communication unit, the attach request signal being transmitted from a mobile station.

Abstract: In a mobile communication method according to the present invention, in a communication start procedure of a mobile station cams on a femtocell, acquiring, by an exchange 20, a frequency of the femtocell and a femtocell ID for uniquely identifying the femtocell which are held in a controller 10, storing, by the exchange 20 and a home location register 30, the acquired frequency of the femtocell and the acquired femtocell ID in association with subscriber information of the mobile station UE, performing, by the exchange 20 and the home location register 30, location registration to register the mobile station UE for a location registration area to which the femtocell geographically overlaid with the macrocell belongs, in response to the received location registration request signal, in a release procedure of the radio connection after completion of the location registration, notifying, by the controller 10, the mobile station UE of the notified frequency of the femtocell notified by the exchange 20.

Abstract: A radio controller 03 of the present invention includes a threshold value holding unit 11 configured to associate a traffic channel configuration with at least one threshold value and hold these associated traffic channel configuration and threshold value, a threshold value extraction unit 13 configured to extract at least one threshold value associated with a traffic channel configuration of a mobile station and a threshold value determination unit 14 configured to determine whether or not to change the traffic channel configuration of the mobile station by comparing the extracted threshold value with a communication state at a predetermined timing.

Abstract: A radio network controller connected to multiple exchanges in a mobile communication system includes an exchange side interface configured to communicate with the multiple exchanges, a mobile station side interface configured to receive a call connection signal from a mobile station via a radio base station, a management unit configured to manage congestion levels indicative of congestion states of the respective exchanges and a control unit. The exchange side interface acquires the congestion levels from the respective exchanges, and the control unit determines to transfer a predefined ratio of call connection signals destined for an exchange having a higher congestion level to an exchange having a lower congestion level, the ratio being predefined corresponding to the congestion level.

Abstract: A mobile communication method comprises a step of setting a restriction type by the femtocell radio base station #A in response to input of predetermined information to the femtocell radio base station #A, the restriction type indicating restricted processes to be applied to a mobile station UE belonging to the CSG #1 in the femtocell #1; a step B of notifying a mobile station UE in the femtocell #1 of the set restriction type by the femtocell radio base station #1; and a step of detecting processes restricted in the femtocell #1 on the basis of the notified restriction type, in a case where the mobile station UE belongs to the CSG #1.

Abstract: A mobile communication method includes: a step which establishes a second radio access link between a mobile station and a radio communication data combining device for “an area limit service” via a radio base station for “a public area service” when a first radio access link is established between the mobile station and the radio communication data combining device for “the area limit service” via the radio base station for “the area limit service”; and a step in which the radio communication data combining device for “the area limit service” combines the data for “the area limit service” transferred from the radio base station for “the area limit service” and the data for “the area limit service” transferred from the radio base station for “the public area service.

Abstract: A mobile communication method according to the present invention includes step of causing a mobile station 300 standing by in a cell under a control of a radio base station 202 to send identification information of the mobile station and special identification information; step of, upon receipt of the special identification information, determining whether or not the mobile station 300 has access permission to a radio base station 200 based on the received identification information of the mobile station 300 and identification information of a second radio base station; and step of, when it is determined that the mobile station 300 has access authorization to the radio base station 200, instructing the mobile station 300 to change a radio communication parameter used by the mobile station 300.

Abstract: A mobile communication method according to the present invention includes a step A of causing a mobile station in a standby mode in a first cell to transmit a communication start request signal, a step B of judging whether or not to measure communication quality of a second cell on the basis of judgment as to whether or not the particular service is provided in each of the cells and judgment as to whether or not communication quality of the second cell is included in the communication start request signal, the second cell overlaid by the first cell in a different frequency band and a step C of starting communication of the mobile station in either one of the first cell and the second cell on the basis of the measured communication quality of the second cell.