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.

Abstract: A radio base station includes a mobile communication system, a relay node and a radio base station connected via a radio bearer. A mobile station is configured to conduct a handover process between the state in which a radio bearer is set with the relay node in order to communicate via the relay node and the radio base station, and the state in which a radio bearer is set with the radio base station in order to communicate via the radio base station. The mobile station is configured such that during the handover process, control signals involved in the handover process are sent and received via a radio bearer between the relay node and the radio base station.

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 radio base station includes a mobile communication system that sends and receives control signals between a mobile station and a mobile switching center via a first radio bearer, a second radio bearer, and a wired bearer. The relay node includes a first radio bearer function, a second radio bearer function, an IP layer function, an SCTP layer function, and an application layer function. The radio base station includes a second radio bearer function, a wired bearer function, and an IP layer function. The mobile switching center includes a wired bearer function, IP layer function, SCTP layer function, and an application layer function. Keep-alive processing is performed between the SCTP layer function of the relay node and the SCTP layer function of the mobile switching center. Security processing is performed between the IP layer function of the relay node and the IP layer function of the mobile switching center.

Abstract: A radio base station includes a mobile communication system, a first relay node and a radio base station connected via a radio bearer, a second relay node and a radio base station connected via a radio bearer, and a mobile station configured to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate via the first relay node and the radio base station. In the second state a radio bearer is established with the second relay node in order to communicate via the second relay node and the radio base station. The mobile station is configured such that control signals are transmitted and received via the radio bearer between the first relay node and the radio base station, via the radio bearer between the second relay node and the radio base station.

Abstract: A radio base station includes a mobile communication system, a first relay node and a first radio base station connected via a radio bearer, a second relay node, and a second radio base station connected via a radio bearer. The first radio base station and the second radio base station are connected via a bearer, in which a mobile station is configured so as to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate. In the second state a radio bearer is established with the second relay node in order to communicate. The mobile station is configured such that in the handover process, control signals are transmitted and received via the radio bearer between the first relay node, first radio base station, second radio base station, and second relay node.

Abstract: A radio base station includes a mobile communication system, a first relay node and a first radio base station connected via a radio bearer, a second relay node, and a second radio base station connected via a radio bearer. The first radio base station and the second radio base station are connected via a bearer, in which a mobile station is configured so as to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate. In the second state a radio bearer is established with the second relay node in order to communicate. The mobile station is configured such that in the handover process, control signals are transmitted and received via the radio bearer between the first relay node, first radio base station, second radio base station, and second relay node.

Abstract: A disclosed user equipment terminal capable of transmitting and receiving broadcast information based on broadcast information change notification notified by a base station apparatus, including a determination unit receiving a signal transmitted from the base station apparatus and determining whether the broadcast information has been changed based on the signal and a broadcast information re-reception unit performing re-reception of the broadcast information when the broadcast information has been changed based on a result of determination by the determination unit. Further, in the user equipment terminal, after a predetermined re-reception process suspension period has passed, the broadcast information re-reception unit performs the re-reception of the broadcast information.

Abstract: It is an object of the present invention to provide a mobile station which enables transmission of control information on broadcast communication or multicast communication to a radio network controller without establishing a dedicated channel in broadcast communication or multicast communication. The mobile station related to this invention includes a control information generating unit (14) for generating control information on broadcast communication or multicast communication, a control information identifier adding unit (15, 16, 17) for adding a control information identifier for specifying a type of the control information to the control information, and a transmitting unit (12) for transmitting the control information to a radio network controller (RNC) via a common channel.

Abstract: To appropriately transmit “entering/leaving proximity indication” while preventing the wastage of radio resources. A mobile station UE according to the present invention is configured not to transmit “entering proximity indication” even when an entry into a predetermined area #1 is detected, and not to transmit “leaving proximity indication” even when an exit from the predetermined area #1 is detected, when a predetermined period has not elapsed since the time of transmission of “entering proximity indication” or “leaving proximity indication”.

Abstract: A mobile communication method according to the present invention includes the steps of: (A) transmitting, from a radio base station (eNB) to a plurality of cells designated by a transmission request received from a switching center (MME), broadcast information; and (B) transmitting, from the radio base station (eNB) to the switching center (MME), a transmission response which includes an information element to which the number of cells and identification information of the cells are set, in accordance with the transmission request; wherein, in the step (B), when the broadcast information was not successfully transmitted to all the plurality of cells, the radio base station sets “0” to the number of cells in the information element.

Abstract: A radio base station includes a mobile communication system configured to transmit and receive a data signal between a mobile station and a gateway device via a relay node and a radio base station. The mobile communication system is configured such that the radio bearer for the mobile station is set between the mobile station and the relay node. The radio bearer for the relay node is set between the relay node and the radio base station. A network bearer for the mobile station is set between the relay node and the gateway device. The network bearer for a plurality of mobile stations is multiplexed in the radio bearer for the relay node, and a data signal is transmitted and received between the mobile station and the gateway device via the radio bearer for the mobile station and the network bearer for the mobile station.

Abstract: A mobile communication method includes the steps of: transmitting, from a first radio base station (S-eNB) to the mobile station (UE) communicating via a first cell under control of the first radio base station (S-eNB), a handover command instructing to perform handover to a second cell under control of a second radio base station (T-eNB); performing, at the mobile station (UE), handover from the first cell to the second cell in response to the handover command; acquiring, at the mobile station (UE), a global cell ID, which can uniquely identify the second cell in at least one mobile communication system, from the handover command; and notifying, from the mobile station (UE) to the location information management server, the acquired global cell ID which can uniquely identify the second cell.

Abstract: When a network is in a state of requiring any sort of access barring, determining whether a special type access class is included as an access class to which an own device belongs, determining appropriateness of an access by referring to, from barring information, a first barring information for designating whether a mobile device belonging to each access class is subject to access barring when having determined that the special type access class is included, and determining the appropriateness of an access by referring to, from the barring information, second barring information indicating a value serving as a reference for determining the appropriateness of an access according to a relationship between a numerical value generated by each mobile device and the reference indicated by the second barring information when having determined that the special type access class is included.

Abstract: A paging signal transmission method according to the present invention includes: notifying, from a radio base station (eNB) to a mobile station (UE), a discontinuous reception interval and a total number of the groups, the discontinuous reception interval representing an interval at which discontinuous reception of the paging signal (PCH) is performed; determining, at the mobile station (UE), a timing for receiving the paging signal on the basis of the notified discontinuous reception interval and the notified total number of the groups; receiving, at the mobile station (UE), the paging signal transmitted from the radio base station (eNB), at the determined timing; and performing, at the mobile station (UE), incoming call processing, when the received paging signal is a paging signal addressed to the mobile station (UE).

Abstract: A base station for transmitting a radio frame where an L1/L2 control channel is multiplexed into a portion of a subframe to transmit data on a shared data channel includes a broadcast channel generating unit configured to generate a broadcast channel; an L1/L2 control channel generating unit configured to generate the L1/L2 control channel corresponding to the broadcast channel, which includes at least one broadcast channel control information from the group consisting of: an update flag indicating whether information on the broadcast channel is modified, broadcast channel allocation information, and L3 control information for the broadcast channel; and a multiplexing unit configured to multiplex the broadcast channel, the shared data channel, and the L1/L2 control channel into the subframe.

Abstract: When a network is in a state of requiring some sort of access barring, a reference value notified to a mobile device is determined to indicate a value in which an access of a certain mobile device is denied while an access of another mobile device is allowed. When an own device has a special type access class, it is determined that an access is allowed The appropriateness of an access is determined according to designation from the network when the own device has the special type access class, and when the own device does not have the special type access class, it is determined that an access is denied.

Abstract: A base station in a mobile communication system includes: a system information editing unit configured to generate system information, a timing determination unit configured to classify a UE in a waiting state into a group of a plurality of groups based on a timing at which the UE is activated in each discontinuous reception period, and to determine a reporting timing for reporting a paging signal for each group; and a transmission unit configured to transmit the paging signal at the reporting timing for a group in a first unit broadcast period so as to report, to a UE belonging to the group, that the UE receiving the paging signal should receive the system information in a second broadcast period following the first unit broadcast period, and to transmit the system information at a predetermined timing in each of a series of unit broadcast periods.

Abstract: A radio base station includes a mobile communication system, a first relay node and a first radio base station connected via a radio bearer, a second relay node, and a second radio base station connected via a radio bearer. The first radio base station and the second radio base station are connected via a bearer, in which a mobile station is configured so as to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate. In the second state a radio bearer is established with the second relay node in order to communicate. The mobile station is configured such that in the handover process, control signals are transmitted and received via the radio bearer between the first relay node, first radio base station, second radio base station, and second relay node.

Abstract: A communication control method used by a base station to allocate a radio resource to a user terminal which performs different-frequency measurement includes the steps of transmitting to the base station, by the user terminal, a request indicating whether a measurement gap for different-frequency measurement is needed, when a need for data communications between the user terminal and the base station arises while the user terminal is performing discontinuous reception; and controlling, by the base station, the radio resource allocated to the user terminal based on whether the measurement gap is needed.