Patent application number | Description | Published |
20090168735 | STATION, SETTING INFORMATION MANAGING DEVICE, WIRELESS COMMUNICATION SYSTEM, SETTING INFORMATION OBTAINING METHOD, COMPUTER-READABLE MEDIUM - In a wireless communication system including a setting information managing device for managing setting information required for wireless communication, an access point, and a base station belonging to the access point for conducting wireless communication, the station belongs to the access point using connecting information for wireless connection to a setting network, connects via the access point to the managing device on the setting network, and obtains the setting information from the managing device. In this way, in the wireless communication system, the setting information required for wireless communication can be obtained by use of the connecting information for wireless connection to connect to the setting network. | 07-02-2009 |
20090240939 | SYSTEM AND METHOD FOR AUTHENTICATION IN WIRELESS NETWORKS BY MEANS OF ONE-TIME PASSWORDS - The present invention is directed to perform high-reliable authentication using a one-way function that a communication is a communication which was performed with the same apparatus to be authenticated by storing a password only in an apparatus to be authenticated (it is unnecessary to store a password in both of an authentication apparatus and an apparatus to be authenticated) without transmitting a challenge code. When a setting is updated in a setting management server, authentication is performed by using a one-time password obtained last time. A sound communication terminal performs a process using a hash function once on a one-time password transmitted this time, and performs authentication by determining whether the processed one-time password matches a one-time password obtained last time or not. Whether the information at the time of the change in the setting is proper or not is determined by a sound terminal. | 09-24-2009 |
20090318146 | SETTING INFORMATION REGISTRATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, SETTING INFORMATION REGISTRATION METHOD, AND SETTING INFORMATION REGISTRATION PROGRAM - The present invention provides a setting information registration apparatus that can prevent unnecessary setting information from being generated, when setting information needed at the time of performing wireless communication is generated. A setting information registration apparatus ( | 12-24-2009 |
20100046416 | MOBILE IP CONTROL SYSTEM, MOBILE IP CONTROL METHOD, AND MOBILE IP CONTROL PROGRAM - To suppress communication delay and data loss caused by the radio type of a mobile terminal and the radio communication band when a communication packet is sent to the mobile terminal in a mobile IP system. A mobile IP control system includes: a radio base station ( | 02-25-2010 |
20100202350 | PROXY MOBILE IP SYSTEM, ACCESS GATEWAY AND METHOD FOR DETERMINING THE ORDER OF REGISTRATION NOTIFICATION MESSAGES USED THEREFOR - A proxy mobile IP system comprises: a mobile terminal including a time management/notification unit; the time management/notification unit alerting time information, managed by the mobile terminal itself, to an access gateway at the time of access authentication in proxy mobile IP (Internet Protocol) communication; the access gateway; the access gateway including a time information acquisition/management unit alerting the time information, received from the mobile terminal, to a mobility anchor, at the time of performing proxy mobile IP registration in the proxy mobile IP communication, as the time information received from the mobile terminal is carried on a registration notification message; and the mobility anchor; the mobility anchor including a time information acquisition/management unit alerting the registration notification message including the time information to a proxy mobile IP registration unit responsible for performing proxy mobile IP registration. | 08-12-2010 |
20100208657 | PROXY MOBILE IP SYSTEM, ACCESS GATEWAY AND METHOD FOR DETERMINING THE ORDER OF REGISTRATION NOTIFICATION MESSAGES USED THEREFOR - In a proxy mobile IP system, a mobility anchor comprises: a proxy mobile IP registration unit effectuating proxy mobile IP registration in proxy mobile IP (Internet Protocol) communication by one or more registration notification messages from an access gateway; and a last registration time recording/management unit effectuating recording and management of time of last registration by the registration notification message. The mobility anchor, on receipt of a new registration notification message, determines, in case a receipt time difference (or a receipt time interval) between the time of receipt of the new registration notification message and a registration notification message recorded last time in the last registration time recording/management unit is within a pre-set period of time, and the access gateway has changed by switching, possibility of order reversal of the new registration notification message and the registration notification message recorded last time. | 08-19-2010 |
20110228741 | METHOD AND SYSTEM OF UPDATING ROUTING/ESTABLISHING PATHS IN A HIERARCHICAL NETWORK - A mobile unit managing network is provided which is capable of supporting a communication area being wider than ever by one highest-layer router. A radio base station transfers a path updating notification fed from a mobile terminal to a lowest-layer router. The lowest-layer router establishes a path in which a network address to the mobile terminal exists in the radio base station and transfers path information to an intermediate-layer router serving as an upward router. The intermediate-layer router establishes a path in which the network address to the mobile terminal exists in the lowest-layer router and transfers path information to the highest-layer router. The highest-layer router, when having received path information notification from the intermediate-layer router, establishes a path in which the network address to the mobile terminal exists in the intermediate-layer router. | 09-22-2011 |
20110268036 | COMMUNICATION SYSTEM, TUNNEL MANAGEMENT SERVER, COMMUNICATION DEVICE, TUNNEL SETUP METHOD, AND PROGRAM - A communication system comprises a first communication device that transmits a setup request that causes a tunnel to be set up such that a first tunnel address of said first communication device and a second tunnel address of a second communication device are tunnel interfaces and a tunnel management server that receives said setup request from said first communication device and that, when said second communication device has a plurality of said second tunnel addresses, combines said plurality of second tunnel addresses and said first tunnel address and sets up a plurality of tunnels. | 11-03-2011 |
20110286332 | Flow control apparatus, network system, network control method, and program - A flow control apparatus that sends control information to one or more switching node apparatuses, where the control information is assigned to each series of communications performed between terminal devices via the switching node apparatuses. The flow control apparatus includes an effective time setting unit that sets an effective time of the control information based on an elapsed time measured from when the terminal devices which perform the series of communications start a communication via a specific one of the switching node apparatuses, in a manner such that the longer the elapsed time, the longer the effective time; and a sending unit that sends the control information every time when the effective time has elapsed. | 11-24-2011 |
20110310734 | COMMUNICATION SYSTEM, FLOW CONTROL DEVICE, FLOW TABLE UPDATING METHOD, AND PROGRAM - A communication system, wherein a switch node to which a terminal is connected can be recognized, and a flow table can be updated promptly in accordance with the status of the switch node. The communication system includes: a switch node that operates in accordance with a flow table in which processing content is defined for each of a plurality of flows, and a flow control device that includes a terminal management unit that records, based on a request to set a flow entry from the switch node, information of association between a terminal of a packet source and a switch node to which the terminal is connected, wherein the flow control device refers to the information of association to make the switch node execute a modification or deletion of a flow entry in the flow table. | 12-22-2011 |
20120063493 | TRANSMISSION RATE CONTROL METHOD, TRANSMISSION UNIT, AND COMMUNICATION SYSTEM - A transmission unit includes: transmission rate control means for controlling a transmission rate; first transmission error detecting means for detecting data loss caused due to congestion in a transmission network; and second transmission error detecting means for detecting data loss (for example, packet loss) caused due to data error in the communication network. In the transmission unit, the transmission rate control means controls the transmission rate separately for a case where the first transmission error detecting means has detected data loss and a case where the second transmission error detecting means has detected data loss caused due to data error. | 03-15-2012 |
20120140741 | RADIO COMMUNICATION SYSTEM AND COMMUNICATION METHOD THEREOF - The present invention provides a radio communication system that enables handovers between radio base stations to be conducted at a short time using a mobile communication terminal having one radio communication part. A pseudo radio communication control part in a mobile communication terminal links with a packet transfer part and a remote radio control part in a radio bridge device to enable operation as though a radio communication part disposed in the radio bridge device were directly connected to the mobile communication terminal. Thus, even when radio communication parts are disposed in a plurality of terminals, by using the pseudo radio communication control part instead of a radio communication control part, an application can carry out control as though all the radio communication parts were connected in the same terminal. | 06-07-2012 |
20120196600 | MOBILE COMMUNICATION SYSTEM, GATEWAY DEVICE, BASE STATION DEVICE, CONTROL METHOD OF GATEWAY DEVICE, AND COMPUTER-READABLE MEDIUM | 08-02-2012 |
20120258688 | CELLULAR PHONE TERMINAL HAVING BUILT-IN WIRELESS LAN, CELLULAR PHONE SYSTEM AND PERSONAL INFORMATION PROTECTION METHOD THEREFOR - Disclosed are a cellular phone terminal, a cellular phone system and a privacy protection method therefor that enable to prevent leakage of private information from the communication data when conducting a search for wireless LAN base stations. The cellular phone terminal comprises, in addition to the cellular phone function section, a cellular phone network transmitter/receiver section, a wireless LAN transmitter/receiver section and a wireless LAN connection control section, an SSID•MAC address management section connected to the wireless LAN connection control section and the cellular phone network transmitter/receiver section. The SSID•MAC address management section is allocated by a MAC address management server one or more temporary MAC addresses together with their time limit by way of the cellular phone network transmitter/receiver section and a cellular phone base station and the temporary MAC addresses are used when conducting a search for wireless LAN base stations. | 10-11-2012 |
20120300729 | WIRELESS COMMUNICATION SYSTEM AND METHOD OF CONDUCTING WIRELESS COMMUNICATION - A wireless communication system includes a plurality of base stations, a mobile wireless communication device which makes wireless communication with the base stations, a terminal device, and a router through which the base stations make communication with an IP network. The terminal device transmits an address thereof to the mobile wireless communication device, before the mobile wireless communication device makes link with one of the base stations. The terminal device fabricates a frame addressed to an address of the router, and transmits the frame to the router, after the mobile wireless communication device has made link with one of the base stations. The router transmits an address thereof to the base stations, before the mobile wireless communication device makes link with one of the base stations. The router fabricates a frame addressed to an address of the terminal device, and transmits the frame to the terminal device, after the mobile wireless communication device has made link with one of the base stations. | 11-29-2012 |
20130061052 | SYSTEM AND METHOD FOR AUTHENTICATION IN WIRELESS NETWORKS BY MEANS OF ONE-TIME PASSWORDS - The present invention is directed to perform high-reliable authentication using a one-way function that a communication is a communication which was performed with the same apparatus to be authenticated by storing a password only in an apparatus to be authenticated (it is unnecessary to store a password in both of an authentication apparatus and an apparatus to be authenticated) without transmitting a challenge code. When a setting is updated in a setting management server, authentication is performed by using a one-time password obtained last time. A sound communication terminal performs a process using a hash function once on a one-time password transmitted this time, and performs authentication by determining whether the processed one-time password matches a one-time password obtained last time or not. Whether the information at the time of the change in the setting is proper or not is determined by a sound terminal. | 03-07-2013 |
20130235715 | METHOD AND SYSTEM FOR CONTROLLING COMMUNICATION NETWORK AND ROUTER USED IN THE NETWORK - The present invention provides a communication network comprising a host network, a plurality of base stations, at least a mobile host capable of establishing links to the base stations, and a hierarchy-network of plural routers which are improved in transferring performances for ensuring continuous operations with a reduced load without packet loss. | 09-12-2013 |
20130235856 | METHOD AND SYSTEM FOR CONTROLLING COMMUNICATION NETWORK AND ROUTER USED IN THE NETWORK - The present invention provides a communication network comprising a host network, a plurality of base stations, at least a mobile host capable of establishing links to the base stations, and a hierarchy-network of plural routers which are improved in transferring performances for ensuring continuous operations with a reduced load without packet loss. | 09-12-2013 |
20130242740 | METHOD AND SYSTEM FOR CONTROLLING COMMUNICATION NETWORK AND ROUTER USED IN THE NETWORK - The present invention provides a communication network comprising a host network, a plurality of base stations, at least a mobile host capable of establishing links to the base stations, and a hierarchy-network of plural routers which are improved in transferring performances for ensuring continuous operations with a reduced load without packet loss. | 09-19-2013 |
20140162659 | RADIO COMMUNICATION SYSTEM, BASE STATION, COMMUNICATION METHOD, MOBILE STATION, AND COMPUTER-READABLE MEDIUM - A base station ( | 06-12-2014 |
20140198798 | COMMUNICATION TERMINAL, COMMUNICATION METHOD, COMMUNICATION SYSTEM, AND PROGRAM - A communication terminal communicating with a network including a control apparatus that generates a processing rule defining a packet processing method, the communication terminal comprises: a request unit that requests an address of the control apparatus when requesting for establishing a connection to the network; a communication unit that establishes a communication channel to the control apparatus based on an address acquired by the address request; and a processing unit that processes a packet based on a processing rule transmitted by the control apparatus via the communication channel. | 07-17-2014 |
20140233381 | COMMUNICATION APPARATUS, CONTROL APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND PROGRAM - A communication apparatus, comprises: a packet processing unit that processes, based on a processing rule set by a control apparatus, a packet that corresponds to the processing rule; a statistical value measurement unit that measures a statistical value with respect to the packet processing based on the processing rule; and a processing rule management unit that rewrites a processing content of the processing rule to a packet discarding process, if the statistical value for the processing rule exceeds a predetermined threshold. | 08-21-2014 |
20140233392 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND PROGRAM - A communication apparatus includes: a first table storing processing rules transmitted from the control apparatus; a packet processing unit processing an incoming packet based on a processing rule corresponding thereto among the processing rules stored in the first table; and a second table managing a predetermined condition for referring to the first table. The packet processing unit determines whether to refer to the first table based on the predetermined condition. | 08-21-2014 |
20140286294 | MOBILE COMMUNICATION TERMINAL, COMMUNICATION METHOD, COMMUNICATION SYSTEM, AND CONTROL APPARATUS - A communication system includes: a control apparatus that controls packet forwarding; and a mobile communication terminal that communicates with a network including the control apparatus, wherein the mobile communication terminal comprises: a plurality of communication interfaces for wireless communication; a processing unit that processes a packet in accordance with an instruction from the control apparatus; and a control unit that transmits to the network interface information that is information related to the plurality of communication interfaces to notify the control apparatus of the interface information. | 09-25-2014 |
20140341219 | Communication Terminal, Method of Communication, Communication System and Control Apparatus - A communication terminal comprises: first unit that communicates with a network system that includes a forwarding apparatus forwarding a packet and a control apparatus informing the forwarding apparatus of a processing rule prescribing a packet processing method; second unit that determines a processing operation to be executed by the network system from among packet processing operations to be executed by the communication terminal; and third unit that requests the control apparatus to inform the forwarding apparatus of a processing rule corresponding to the determined packet processing operation. | 11-20-2014 |
20140376394 | COMMUNICATION APPARATUS, CONTROL APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND COMPUTER PROGRAM - A communication apparatus, includes: a packet processing unit that processes an incoming packet based on a processing rule corresponding to the incoming packet among a plurality of processing rules set from a control apparatus; a statistical value measurement unit that measures a statistical value obtained from a processing amount corresponding to each of the plurality of processing rules; and a processing rule management unit that determines whether or not each of the processing rules is effective based on the statistical value. | 12-25-2014 |
20150078169 | Communication Terminal, Method of Communication and Communication System - A communication terminal comprises: first means that communicates with a network system that includes a forwarding apparatus forwarding a packet and a control apparatus informing the forwarding apparatus of a processing rule prescribing a packet processing method; second means that determines a processing operation to be executed by the network system from among packet processing operations to be executed by the communication terminal; and third means that informs the forwarding apparatus of a processing rule corresponding to the determined packet processing operation. | 03-19-2015 |
20150085781 | Communication Apparatus, Communication Method, Communication System, Control Apparatus and Program - A communication apparatus includes: a communication unit that communicates with a network by at least one of a plurality of communication schemes; and a control unit that disguises a first communication address corresponding to a first communication scheme, by a second communication address corresponding to a second communication scheme, based on an instruction transmitted from a control apparatus. | 03-26-2015 |
20150201364 | COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD - 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. | 07-16-2015 |
20150280926 | CHARGING CONTROL METHOD AND SYSTEM IN COMMUNICATION NETWORK - 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. | 10-01-2015 |
20150295833 | NETWORK SYSTEM, METHOD, APPARATUS, AND PROGRAM - A switch is provided between a first network and a second network and an offloading determination unit determines whether or not to offload traffic for the first network, and configures an offload path to bypass the first network for the switch when the offloading is performed. When the traffic is offloaded, the switch forwards a packet to be offloaded to the offload path. | 10-15-2015 |