Abstract: A communication device for offloading communication traffic includes: first means for identifying an attribute of a terminal based on information included in a message transmitted by the terminal to connect to a wireless network; and second means for determining whether or not to connect a base station that has received the message from the terminal and the terminal based on the identified attribute, wherein the second means is capable of transmitting the message transmitted by the terminal having a predetermined attribute to a virtual network node operated by a virtual machine.

Abstract: A positioning system includes a terminal device that measures a position of the terminal device by using a first positioning method using first positioning signals transmitted from satellites included in a global positioning system and a second positioning method different from the first positioning method and a server device that transmits a positioning method setting instruction including a positioning method based on the position of the terminal device to the terminal device, in order to achieve continuous positioning without depending on a reception state of radio waves transmitted from the satellites included in the global positioning system.

Abstract: A technique is provided that makes it possible to diversely control a radio network based on status other than that of the radio network. A network control apparatus according to the present invention includes: a first means for acquiring status related to a second network, which is accessed via a first network which wirelessly transfers data; and a second means for controlling at least one base station of the first network based on the status so as to change a relation of connection between the at least one base station and the second network.

Abstract: A communication device for offloading communication traffic includes: first means for identifying an attribute of a terminal based on information included in a message transmitted by the terminal to connect to a wireless network; and second means for determining whether or not to connect a base station that has received the message from the terminal and the terminal based on the identified attribute, wherein the second means is capable of transmitting the message transmitted by the terminal having a predetermined attribute to a virtual network node operated by a virtual machine.

Abstract: In a communication system, when a path is switched along with communication apparatus switchover, a packet sent/received via this path may be lost. A communication apparatus according to the present invention is characterized by including: a first means capable of operating a first network node on a virtual machine; and a second means capable of forwarding a control signal for terminating communication performed via a communication session established between the first network node and a third network node, to a virtual machine operating a second network node, in response to switchover from the first network node to the second network node corresponding to the first network node.

Abstract: A base station for offloading communication traffic includes: first means for receiving from a communication terminal a message requesting a connection with a wireless network; and second means for determining whether or not a connection between a base station which has received the message from the communication terminal and the communication terminal is possible based on a terminal attribute identified by the message.

Abstract: A communication apparatus and a communication control method are provided that make it possible to easily relocate communication apparatus while the continuity of a service a mobile terminal is using is maintained. In a communication system including a terminal (400), communication apparatuses (A, B) that provide a service to the terminal (400) each include: a virtual machine (10) that manages a state of communication with the terminal (400) by using information on a session for providing the service; and a virtual machine management section (11) that controls execution of the virtual machine and migration of the virtual machine.

Abstract: A management system, according to one aspect of the present invention, includes: a mobile body that uses a predetermined motion model to estimate, on the basis of the velocity of the own device, the position of an own device after a predetermined period has elapsed; and a management device that uses the predetermined motion model to estimate, on the basis of information about the velocity of the mobile body, the position of the mobile body after the predetermined period has elapsed. The management system is further characterized in that when an error between the position of the own device measured after the predetermined period has elapsed and the estimated position of the own device exceeds a predetermined threshold, the mobile body transmits information about the velocity of the own device to the management device.

Abstract: Provided is a management system for solving the problem of an increase in the load on a network when managing the location of a mobile object in the cloud. The management system includes: a mobile object for estimating the location of a host device after a predetermined time has elapsed, using a predetermined motion model; and a management device for estimating the location of the mobile object after the predetermined time has elapsed, using the predetermined motion model. The mobile object transmits information relating to the location of the host device to the management device in response to the fact that the error between the location of the host device measured after the predetermined time has elapsed and the estimated location of the host device has exceeded a predetermined threshold value.

Abstract: To provide a new traffic off-load feature according to a terminal type, a communication apparatus of the present invention is provided with a first means for identifying, on the basis of an attribute of the terminal, a network to be connected to the terminal from among a plurality of networks including a first network managed by a first operator and a second network managed by a second operator, and a second means for processing communication with the terminal so that a network node that performs predetermined signal processing in the identified network is connected with the terminal, and is characterized in that the first means can identify the second network managed by the second operator, the second network providing communication service to the subscriber terminal of the second operator by using the network node provided by the first operator.

Abstract: A base station for offloading communication traffic includes: first means for receiving from a communication terminal a message requesting a connection with a wireless network; and second means for determining whether or not a connection between a base station which has received the message from the communication terminal and the communication terminal is possible based on a terminal attribute identified by the message.

Abstract: A communication device for offloading communication traffic includes: first means for identifying an attribute of a terminal based on information included in a message transmitted by the terminal to connect to a wireless network; and second means for determining whether or not to connect a base station that has received the message from the terminal and the terminal based on the identified attribute, wherein the second means is capable of transmitting the message transmitted by the terminal having a predetermined attribute to a virtual network node operated by a virtual machine.

Abstract: A communication device for offloading communication traffic includes: a first means which identifies an attribute of a terminal based on information included in a message transmitted by the terminal to connect to a wireless network; and a second means which processes the message in such a way that the terminal and a base station corresponding to the attribute of the terminal are connected based on the identified attribute.

Abstract: A communication device for offloading communication traffic is characterized by including: first means for identifying an attribute of a communication terminal based on a message transmitted by the communication terminal to connect to a wireless network; and second means that can instruct the communication terminal to reconnect to a base station corresponding to the attribute according to the identified attribute.

Abstract: An index calculation unit calculates a periodicity determination index for determining the presence of periodicity on the basis of the differential between each segment of the frequency distribution of input numerical data and a frequency distribution in accordance with a baseline distribution provided ahead of time. A determination unit uses the periodicity determination index calculated by the index calculation unit to determine the presence of periodicity including one or more periodic components present in the numerical data.

Abstract: A communication control method and a communication system are provided that realize traffic offload while reducing the processing load on a base station. A base station in a mobile network includes a gateway (PO-GW) for connecting a mobile terminal (UE) in the mobile network to a packet data network (PDN), and a control function (MME, DNS, HSS) of the mobile network allows the mobile terminal to access the gateway (PO-GW), in response to a request from the mobile terminal to connect to the PDN via the base station.

Abstract: A charging control method and system are provided that can reduce the processing load on a function of performing charging control. The charging control system includes a policy and charging rules function (PCRF), a plurality of gateways (P-GWs) each including a policy and charging enforcement function (PCEF), and a relay section including a relay server and a switch that connects the PCRF and the plurality of PCEFs in a hierarchical manner. The PCRF is directly connected to the relay section, whereby the number of sessions is reduced.

Abstract: In a communication system, when a path is switched along with communication apparatus switchover, a packet sent/received via this path may be lost. A communication system according to the present invention is characterized by including: a first network node capable of processing a communication session related to a terminal; and a communication apparatus that forwards data related to the terminal via the communication session established with the first network node, wherein the communication apparatus is capable of sending a control signal indicating termination of the communication session in response to switchover from the first network node to a second network node having a function corresponding to the first network node.

Abstract: In a communication system, when a path is switched along with communication apparatus switchover, a packet sent/received via this path may be lost. A relay apparatus according to the present invention is characterized by including: a first means capable of switching a forwarding destination of a communication session related to a terminal; and a second means capable of sending a control signal indicating termination of the communication session, in response to switchover from a first network node to a second network node corresponding to the first network node, wherein the first network node is the forwarding destination of the communication session.

Abstract: In a communication system, when a path is switched along with communication apparatus switchover, a packet sent/received via this path may be lost. A communication apparatus according to the present invention is characterized by including: a first means capable of operating a first network node on a virtual machine; and a second means capable of forwarding a control signal for terminating communication performed via a communication session established between the first network node and a third network node, to a virtual machine operating a second network node, in response to switchover from the first network node to the second network node corresponding to the first network node.