摘要:
A mobile communication system has a plurality of nodes, hierarchically connected to each other, including a source base station and a target base station. A U-plane management station includes detecting unit detecting a handover for the mobile terminal, and a Bi-casting unit redundantly transmitting, when detecting the handover for the mobile terminal, the same user data addressed to the mobile terminal toward both of the source base station and the target base station. The target base station includes a retaining unit receiving the user data addressed to the mobile terminal, which is transmitted by the U-plane management station, and retaining the user data, and a wireless transmitting unit wirelessly transmitting, when the mobile terminal is wirelessly connected after moving, the user data requested by the mobile terminal in the user data retained by the retaining unit and addressed to the mobile terminal.
摘要:
A base station controller that manages a plurality of cells includes a receiving part configured to receive, from another base station controller that manages a cell sharing a communication area with each of the plurality of cells, identification information of a cell group to which a cell formed by a base station of connection destination candidate of a mobile station connected to a base station under control of the another base station controller belongs, and a control part configured to exercise control to transmit a message requesting connection to the mobile station to each base station forming the cells contained in the cell group.
摘要:
A plurality of base transceiver stations and at least one extension device are connected, via an IP network that uses internet protocol. The extension device shares resources of the base transceiver stations by arbitrary changing a connection relationship between the base transceiver stations and the extension devices. When a mobile terminal communicates with a core network, the extension device uses the resources of at least one base transceiver stations according to fluctuation in the amount of traffic.
摘要:
A mobile communications network is a communications network that performs both circuit switching and packet switching. A data communications network is a communications network that performs packet switching. A communication apparatus is capable of connecting to the mobile communications network and the data communications network. The communication apparatus includes a communication control unit which obtains access from a mobile station to the mobile communications network, terminates the access whose call type is packet-switched call, and replaces that access with access to the data communications network.
摘要:
A communication server communicates with a radio base station that is capable of being connected to a fixed line by a user. A receiving unit receives station identification information identifying the radio base station and line identification information identifying a fixed line to which the radio base station is connected. An acquiring unit acquires authentication information indicating preliminarily set correlations between the station identification information and the line identification information. A determining unit determines whether a correlation between the station identification information and the line identification information received by the receiving unit coincides with a correlation indicated in the authentication information acquired by the acquiring unit. A determination result output unit outputs a determination result of the determining unit.
摘要:
A plurality of base transceiver stations and at least one extension device are connected, via an IP network that uses internet protocol. The extension device shares resources of the base transceiver stations by arbitrary changing a connection relationship between the base transceiver stations and the extension devices. When a mobile terminal communicates with a core network, the extension device uses the resources of at least one base transceiver stations according to fluctuation in the amount of traffic.
摘要:
A base station controller that manages a plurality of cells includes a receiving part configured to receive, from another base station controller that manages a cell sharing a communication area with each of the plurality of cells, identification information of a cell group to which a cell formed by a base station of connection destination candidate of a mobile station connected to a base station under control of the another base station controller belongs, and a control part configured to exercise control to transmit a message requesting connection to the mobile station to each base station forming the cells contained in the cell group.
摘要:
A mobile communication system has a plurality of nodes, hierarchically connected to each other, including a source base station and a target base station. A U-plane management station includes detecting unit detecting a handover for the mobile terminal, and a Bi-casting unit redundantly transmitting, when detecting the handover for the mobile terminal, the same user data addressed to the mobile terminal toward both of the source base station and the target base station. The target base station includes a retaining unit receiving the user data addressed to the mobile terminal, which is transmitted by the U-plane management station, and retaining the user data, and a wireless transmitting unit wirelessly transmitting, when the mobile terminal is wirelessly connected after moving, the user data requested by the mobile terminal in the user data retained by the retaining unit and addressed to the mobile terminal.
摘要:
In a network system including a radio base station to be accommodated in a mobile telephone network through an IP network, the radio base station, when receiving a calling request from a calling terminal, specifies a called terminal of the calling request. If the called terminal can receive the calling request by using another radio base station different from the base station connected to the IP network, it is tried to establish a data communication line, in which the radio base station and the another radio base station are connected through the IP network not by way of the mobile telephone network, so as to exchange the communication data between the calling terminal and the called terminal.
摘要:
In a network system including base stations accommodated in a mobile phone network through an IP network, when a mobile phone terminal as a calling terminal makes a calling request and the calling request from the calling terminal is sent through a source base station to the mobile phone network and then from the mobile phone network through a destination base station to a mobile phone terminal as a called terminal, it is judged whether the source base station and the destination base station are both connected to the mobile phone network through the same IP network, and when the source base station and the destination base station are both connected to the mobile phone network through the same IP network, a data transmission path is established between the calling terminal and the called terminal that directly connects the source base station and the destination base station through the same IP network and without via the mobile phone network.