Nec Corporation

Ntt Docomo, Inc.

Tetsuo Inoue

Takanori Iwai

Toru Yamada

Takashi Koshimizu

Norio Uchida

Tsuyoshi Mabuchi

Kiyoshi Sano

Keiji Fukui

A Machine Type Communication Inter Working Function (MTC-IWF) entity () includes a trigger controller () and a notification service controller (). The trigger controller () controls a device trigger of an MTC device () requested from an SCS entity (). The notification service controller () is configured to send, to the SCS entity (), a subscription request for a notification service including providing a PLMN () with management information which is collected outside () the PLMN () regarding the MTC device (), and receive, from the SCS entity, a message containing the management information () when the subscription request has been accepted. Accordingly, it is possible to contribute to, for example, improvement in collaborative and cooperative operations between the PLMN and an M2M service layer.

MTC-IWF entity, SCS entity, signaling method, and computer readable medium

A node device configuring a peer-to-peer network includes: a network interface; and a blockchain management part configured to receive, through the network interface, an information registration request transaction that includes embedded Subscriber Identity Module, SIM, information including SIM identification information, an electronic signature put on the embedded SIM information by using a private key of an information registrant, and a public key paired with the private key, and accumulate the received information registration request transaction into a blockchain based on a consensus building algorithm executed in cooperation with another node device configuring the peer-to-peer network.

Embedded SIM management system, node device, embedded SIM management method, program, and information registrant device

The present invention aims to provide a communication system capable of optimizing network processing. The communication system according to the present invention includes an application server () configured to detect a behavior of a communication terminal () and a service common apparatus () configured to receive an identifier of the communication terminal () and behavior information on the communication terminal () transmitted from the application server () via a first interface defined between the service common apparatus () and the application server () and to transmit the identifier of the communication terminal () and the behavior information on the communication terminal () to a mobile network node () via a second interface defined between the service common apparatus () and the mobile network node () to optimize a parameter regarding the communication terminal ().

Communication system, service common apparatus, mobile network node apparatus, and data communication method

A gateway device thins a plurality of devices to select a plurality of transmission target devices from among the plurality of devices, and transmits data of the transmission target devices to a server device. The server device receives the data of the transmission target devices from the gateway device, and uses the data of the transmission target devices to estimate a value of data of a removed device by interpolation.

Data collection system

Communications system, service common apparatus, mobile network node apparatus, and data communication method

A communication system according to the present invention includes an application server () and a relay apparatus () that relays a communication between the application server () and a communication network (). The application server () comprises a communication unit () that transmits to the relay apparatus () a first message in which a first identifier has been set as a destination, the first identifier identifying a communication terminal () that performs communication via the communication network (). The relay apparatus () includes a converter () that converts the first identifier into a second identifier that uniquely identifies the communication terminal () in the communication network (), and a communication unit () that transmits a second message in which the second identifier has been set as a destination to the communication terminal () via the communication network ().

Communication system, relay apparatus, communication method, and non-transitory computer readable medium storing program

An object of the invention is to provide a common service device cable of broadcast distribution of various types of messages. A common service device () according to the present invention aggregates a plurality of application servers () and is connected to a plurality of distribution networks (). The common service device () includes: an authentication unit () that performs authentication for a first application server by using a distribution request message transmitted from a first application server included in the plurality of application servers () via a first interface commonly set among the plurality of application servers (); and a communication unit () that selects a first distribution network for which broadcast distribution is requested from among the plurality of distribution networks () based on the distribution request message, and transmits a broadcast distribution request message to the selected first distribution network.

Common service device, distribution device, communication network, distribution method, and non-transitory computer readable medium

Provided is a service quality management systemincluding a service quality management devicethat belongs to a communication network and manages at least one relaying device, a control traffic processing devicethat processes a control traffic for providing a user terminalwith a media content through the communication network, and a service providing devicethat provide the media contents, in which the control traffic processing device includes a receiving unit that receives a service request concerning the media content from the user terminal, an information adding unit that generate, on the basis of the service request received by the receiving unit, a service request in which device identification information for identifying the service quality management device belonging to the same communication network is added, and a transmitting unit that transmits, to the service providing device, the service request having the device identification information added thereto.

Service quality management system and method

An information processing apparatus comprises a plurality of control units, a shared memory, a processing number table and a start-up time table. When a transaction is received, each of the control units determines whether the current time in the shared memory coincides with the most recent start-up time in the processing number. If the current time does not coincide with the most recent start-up time, each of the control units updates the most recent start-up time with current time and if or not, adds 1 to the number of transactions being processed in the processing number table so as to update the number of transactions being processed. After the number of transactions is updated, each of the control units sums up the number of transactions being processed in the processing number table. Each of the control units determines whether the number of transactions is not more than the threshold value in the shared memory. If the number of transactions is not more than the threshold value, each of the control units starts the distributed transaction to be processed.

Information processing apparatus having a plurality of control units receiving transactions at the current time such that when the current time coincides with most recent start-up time the control units update the start-up time with the current time and sum up the number of transactions being processed limited to a predetermined threshold

A new conversion database associated with information to be finally stored in a host information database is stored in a RAM along with a previous conversion database. Each processing unit refers to the new conversion database to identify data to be held in the host information database of the processing unit itself and refers to the previous conversion database to identify the processing unit which currently holds the data thus identified. The processing unit further relocates the data to be held in the processing unit itself from the processing unit thus identified.

Database server capable of relocating data distributed among plural processors and retrieving data method

A plurality of database hosts hold subscriber information in a distributed manner. A retrieval server processes inquires (host retrieval requests) on which of the database hosts has desired subscriber information stored therein. The retrieval server includes a plurality of processors, and the plurality of processors performs processing in parallel. Therefore, inquiries can be processed at a high speed. Further, a conversion information database and a host information database are provided as in-memory databases, which allow inquiry processes to be processed at a high speed. A call control server can efficiently acquire subscriber information from the database host based on the result of an inquiry made to the retrieval server.

Distributed database system and retrieval server and retrieval method for the same

The present invention is to provide a home subscriber server configuration method and system that is accessible in switching to any one of plural HSS servers in a redundant configuration. Information stored in such plural HSS servers (e.g., HSS-A serverA and HSS-B serverB) are synchronized as identical information. When an interrogation for a particular HSS server to be accessed from the I-CSCF serveror the S-CSCF serveris received, the access information for the plural HSS serversA,B corresponding to the interrogation is returned after rearranging to the predetermined order of priority to the I-CSCF serveror the S-CSCF serverfrom which the inquiry is originated. If no response is received from either one of the HSS servers returned from the SLF serverwithin a predetermined time after the access or if no response is received to the resend operations, the I-CSCF serveror the S-CSCF serverselects the next HSS server from the plural HSS servers and gains access to such HSS server after switching thereto.

Growing community of inventors

Tokyo, Japan

Tetsuo Inoue