Patent application number | Description | Published |
20080253340 | Hybrid Mobile Communication System Comprising Multi-Hop-Ad-Hoc and Circuit-Switched Modes - According to the present invention, connection can be always maintained between the mobile node and the access router, and disruption of on-going transport session can be prevented by making effective use of two architectures (hierarchical and mesh architectures). The mobile nodes | 10-16-2008 |
20080259848 | Communication Node and Communication Control Method - A technique is disclosed whereby, in the case of wherein a communication node includes both a mobility management function and a multihoming function, based on a condition that occurs due to moving, an appropriate address can be selected from multiple addresses in a multihomed state. According to the technique, a mobility condition determination unit | 10-23-2008 |
20090010223 | Communication Management Method and Communication Management Device - The avoidance of congestion between a mobile node (MN) and an access router (AR), connected to each other through radio communication, is achieved by reducing the volume of information to be transmitted between the MN and the AR. In particular, for the purpose of realizing the reduction of the information volume to be transmitted between a mobile router (MR) and an access router and the avoidance of congestion, an MR | 01-08-2009 |
20090010236 | Mobile Communication Control Method, Mobile Terminal, and Access Router - A technology is disclosed that provides a mobile communication control method, a mobile terminal, and an access router that allow communication to be continued after a handover without newly establishing all protocol states from the beginning. The technology includes a step at which a mobile node | 01-08-2009 |
20090010237 | Communication Method, Communication System, Mobile Node and Network Node for Notification About the Proximity of a Second Wireless Network Via a First Wireless Network - For communications between several different types of wireless networks and a mobile node, technology to provide various services from a wireless network to the mobile node which is not covered by that network without exhaustion of the mobile node battery is disclosed. According to this technology, the mobile node sends an update message to a currently accessible network node, which transfers the update message to the same or different types of nearby network nodes with incrementing the hop count for every transfer. The different type of network node that has received the update message checks whether the hop count decreases from that previously received and judges that the mobile node is approaching if the hop count decreases and sends the guide message to the mobile node via the same and different types of networks. | 01-08-2009 |
20090016264 | PACKET TRANSFER METHOD IN COMMUNICATION NETWORK SYSTEM AND PACKET PROCESSING METHOD IN COMMUNICATION DEVICE CONSTITUTING THE SYSTEM - There is disclosed a technology in which a packet to be sent to a mobile terminal (an MN), distributed from a correspondent node (a CN), can surely reach the MN even in a situation in which the MN is moving. According to the technology, identification information of a plurality of access routers (ARs) | 01-15-2009 |
20090019180 | COMMUNICATION CONTROL METHOD, COMMUNICATION NODE, AND MOBILE NODE - Disclosed is a technique which, when an MN (mobile node) has one or a plurality of HoAs (home addresses) and a packet is transmitted from a CN (correspondent node) through an HA (home agent) to the MN, reduces a delay stemming from registration processing on binding information or selection processing among the plurality of HoAs and a delay of communication due to a result of the selection. According to this technique, an MN | 01-15-2009 |
20090022161 | COMMUNICATION SYSTEM AND COMMUNICATION NODE - A technique is disclosed, by which it is possible to identify a communication node having special function under the condition that a certain communication node knows only the address of a communication node having no special function. According to this technique, a first communication node | 01-22-2009 |
20090024732 | APPARATUS FOR PREFIX CONTROL AND APPARATUS FOR PREFIX CHOICE - Disclosed is a technique which enables a communication node connected to a router made to advertise a plurality of prefixes to use an address including an appropriate prefix. According to this technique, an MR (Mobile Router) ( | 01-22-2009 |
20090031130 | SYSTEM, ASSOCIATED METHODS AND APPARATUS FOR SECURING PREFIX-SCOPED BINDING UPDATES - Route optimization between a mobile network and correspondent node may be achieved by having the mobile router of the mobile network sending prefix-scoped binding update messages to the correspondent node. In order to allow the recipient of a prefix-scoped binding update message to verify the mobile network prefix information contained in the said prefix-scoped binding update message, the present invention provides a system, and associated methods and apparatus thereof, of using special cryptographic certificates to prove the ownership of the network prefixes. The certificates, or parameters derived from the certificates, are transmitted alongside the network prefix in the binding update message sent to the correspondent node. By verifying the network prefix against the certificates, or parameters derived from the certificates, a correspondent node can determine the validity of a prefix-scoped binding update message. | 01-29-2009 |
20090040987 | APPARATUS FOR REDUCING SIGNALLING DATA BURSTS IN MOBILE NETWORK - A technology is disclosed for reducing the burst of DAD messages which may be triggered due to the change of the network prefix when using the technique of the neighbor discovery proxy. According to this technology, in roaming from the access network link | 02-12-2009 |
20090052316 | COMMUNICATION CONTROL METHOD, ADDRESS MANAGEMENT NODE, AND MOBILE NODE - A technique is disclosed whereby, while a MN (mobile node) is separated from a home network, the status available on a home network is obtained, and a communication path is optimized for a packet to be transmitted between the MN and a CN (correspondent node) via a HA (home agent). According to this technique, an HA | 02-26-2009 |
20090052425 | PACKET TRANSFER CONTROL DEVICE AND MOBILE NODE - Disclosed is technique for avoiding packet reflection between home agents. According to the technique, a MN | 02-26-2009 |
20090116446 | CROSSOVER NODE DETECTING METHOD, CROSSOVER NODE DETECTING PROGRAM FOR EXECUTING THAT METHOD BY USE OF COMPUTER, AND MOBILE TERMINAL AND RELAY APPARATUS USED IN CROSSOVER NODE DETECTING METHOD - The present invention provides a new technique on a crossover node detecting method and the like, by which a mobile terminal (mobile node) to perform a handover can quickly find out CRN so that the mobile terminal can quickly and continuously receive additional services, which the mobile node has been receiving before the handover, even after the handover. According to this technique, the crossover node detecting method comprises a step where a mobile node | 05-07-2009 |
20090116463 | MOBILE NODE AND COMMUNICATION CONTROL METHOD - A technology is disclosed for a mobile device with multiple interfaces to make use of its multiple interfaces capability with Mobile IP. According to this technology, MN (Mobile Node) | 05-07-2009 |
20090122723 | Dynamic Network Management System, Dynamic Network Management Device, and Dynamic Network Management Method - A technology is disclosed for providing the global connectivity to the mobile node which is connected to the mobile access router forming the mobile network. According to the technology, it is possible for the mobile node | 05-14-2009 |
20090122769 | NETWORK NODE - A technology is disclosed for efficiently and effectively conveying location and mobility related information about a mobile node to the network in order to facilitate Location and mobility related functions and services. According to this technology, in order to detect location and mobility (for example, movement velocity) of the mobile node, dissemination of information including the identification information of the mobile node and the count metric indicating the distance to the mobile node is performed among adjacent network nodes. The network node, upon receiving this message, stores the information in the message, and generates a new count metric by decreasing the count metric. The network node then sends the message including the identification information of the mobile node and this newly generated count metric to the other network nodes. For example the network node determines the priority of resource reservation for each mobile node based on the count metric of each mobile node. | 05-14-2009 |
20090124256 | ADDRESS REGISTRATION CONTROL DEVICE - Disclosed is a technique of, in a case in which an MN (Mobile Node) has a plurality of interfaces, enabling the control to prevent an infinite transfer loop on the MN side while making use of the plurality of interfaces as simultaneously as possible. According to this technique, when each of the plurality of interfaces of the MN ( | 05-14-2009 |
20090131112 | RADIO COMMUNICATION SYSTEM, MOBILE TERMINAL UNIT THEREOF, AND AZIMUTH DETERMINING METHOD - Disclosed are a mobile station unit which can obtain azimuth information with a simple construction and a radio communication system including the mobile terminal unit. According to the present invention, in a terminal station, an arrival direction obtaining section | 05-21-2009 |
20090135759 | RADIO COMMUNICATION TERMINAL AND NETWORK SIDE COMMUNICATION APPARATUS - A technology is disclosed for achieving fast and reliable handover. According to this technology, in the network composition where a network coverage area of the cellular base station | 05-28-2009 |
20090135822 | METHOD AND APPARATUS FOR CONTROLLING PACKET FORWARDING - A technology is disclosed for reducing the number of encapsulations required when MAP forwards a packet to a mobile node which is layered within mobile networks, with mobile networks nested and multiple mobile routers chained behind MAP (Mobility Anchor Point). MAP | 05-28-2009 |
20090161558 | ROUTING LOOP DETECTION CONTROL APPARATUS - There is disclosed a technique which can detect a packet routing loop (in particular, a nesting loop formed by MRs (mobile routers). According to this technique, an MR | 06-25-2009 |
20090190551 | Route Setting Method and Route Management Device - A technology is disclosed in which a QoS path related to a mobile terminal is established via an aggregation domain. When the QoS path is modified in accompaniment to the movement of the mobile terminal, a crossover node present within the aggregation domain is discovered. According to the technology, when a new QoS path is established between a QNE (local terminal) | 07-30-2009 |
20090190564 | COMMUNICATION SYSTEM AND MOBILE HOME AGENT - A technique is disclosed to decrease unnecessary routing during communication between a mobile node and a correspondent node in case a home agent of the mobile node is a mobile home agent. According to this technique, HA | 07-30-2009 |
20090238080 | TUNNELING LOOP DETECTION CONTROL APPARATUS - Disclosed is a technique whereby a tunnel entry point, which encapsulates a packet (generates a tunnel packet), can detect the presence of a tunneling loop causing a packet to loop the same path while encapsulated. According to this technique, upon receipt of a packet from a source node (source) | 09-24-2009 |
20090238111 | APPARATUS FOR FLOW CONTROL - Disclosed is a technique which enables a mobile node (MN) connected to a mobile router (MR) to carry out flow filtering in a mobile network. This technique allows an MN | 09-24-2009 |
20090257401 | COMMUNICATION SYSTEM, MOBILE ROUTER AND HOME AGENT - The present invention provides a new technique, according to which inefficient and redundant routing can be eliminated, which may occur when the fast handover is applied to network mobility and which may cause delay. According to this technique, a mobile router (MR) | 10-15-2009 |
20090265453 | NETWORK MANAGING METHOD AND NETWORK MANAGING APPARATUS - In order to verify if upper-level router information, or ULRI (information on the upper-level router with respect to a predetermined node) is valid, MN (Mobile Node) 220 associated to ULMR (Upper-Level Mobile Router) 210 acquires ULRI such as the address of ULMR (310), inserts ULRI into a BU (Binding Update) message, and sends it to HA (Home Agent) 235 (320). On receiving the BU message with ULRI, HA sends a BA (Binding Acknowledgement) message set to pass through the router that is specified in ULRI (330). If ULRI is valid, ULMR forwards the BA message to MN (340). If ULRI is not valid, ULMR discards the BA message. | 10-22-2009 |
20090268664 | COMMUNICATION ROUTE OPTIMIZATION METHOD AND COMMUNICATION ROUTE OPTIMIZATION CONTROL DEVICE - The present invention provides a technique to optimize communication route when two end nodes separated away from own home perform data communication with each other. According to this technique, a communication node (the initiator node | 10-29-2009 |
20090285103 | APPARATUS FOR CONTROLLING TUNNELING LOOP DETECTION - Disclosed is a technique whereby a packet transferring apparatus (particularly, a tunnel entry point made to carry out packet encapsulation) becomes capable of detecting a tunneling loop signifying that a packet loops along the same route while undergoing encapsulation. With this technique, at packet transfer, a loop detection module of a router according to the present invention stores a TEL value (value of tunnel encapsulation limit for limiting the number of times of duplication of tunnel) set in an encapsulation header of this packet or stores a TEL value set in an encapsulation header of a packet sent back as an ICMP error In addition, the loop detection module analyzes an increase/decrease variation pattern of the stored TEL value relative to time and, in a case in which the pattern agrees with a unique pattern (sawtooth-like pattern) appearing at the occurrence of a tunneling loop, estimates that a tunneling loop has occurred. | 11-19-2009 |
20090313680 | MOBILE NETWORK MANAGING APPARATUS AND MOBILE INFORMATION MANAGING APPARATUS FOR CONTROLLING ACCESS REQUESTS - Disclosed is a technique capable of proper execution of access control based on various security policies set by a home user with regards to a packet sent from a visitor node. According to the technique, a MR (Mobile Router) | 12-17-2009 |
20090316622 | METHOD AND APPARATUS FOR CONTROLLING PACKET FORWARDING, AND COMMUNICATION MODE - A technology is disclosed for reducing the number of encapsulations required when MAP forwards a packet to a mobile node which is layered within mobile networks, with mobile networks nested and multiple mobile routers chained behind MAP (Mobility Anchor Point). When a node | 12-24-2009 |
20100014445 | ADDRESS UPDATING METHOD, CORRESPONDING MOBILE TERMINAL AND NODE - Disclosed is a technique providing an address updating method capable of transmitting a binding update message while suppressing bandwidth dissipation and a mobile node, a proxy node and a management node for use in this method. This technique comprises a step in which a mobile node generates a single message including needed information at the registration of a changed address in a management node in a state associated with a plurality of home addresses and transmits the generated message to the management node, and a step in which the management node updates an address of a destination of the mobile node on the basis of the received message. | 01-21-2010 |
20100014464 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, HOME AGENT, AND MOBILE NODE - The present invention provides a technique to prevent the generation of a large number of binding update messages in an overlay network when a mobile node changes connection points. According to this technique, in a communication system where a home agent HA | 01-21-2010 |
20100014533 | OVERLAY NETWORK NODE - There is disclosed a technology which improves scalability in an overlay network system and which efficiently supplies a service with respect to a user, and according to the technology, for example, in a case where a mobile node ( | 01-21-2010 |
20100027474 | Packet Communication Device - A technique is disclosed, according to which a mobile node detects generation of redundant route optimization messages to an address owned by a node, which already recognizes and comprehends binding with a care-of address and a home address of the mobile node. According to this technique, a CN (correspondent node) | 02-04-2010 |
20100034170 | Network Node and Mobile Terminal - Disclosed in a technique for more accurately checking a network condition such as a transmission delay generated in packet transmission between two nodes and other network conditions. A buffering node | 02-11-2010 |
20100046419 | Overlay Network Node, Mobile Node, and Mobile Router - A technique is disclosed, by which generation of redundant signaling caused by processing to establish route optimization can be suppressed. According to this technique, an overlay network is formed on a network, and an overlay network service of home agent is provided by a pHA (proxy home agent) | 02-25-2010 |
20100061296 | PACKET TRANSFER CONTROL METHOD, MOBILE TERMINAL AND HOME AGENT USED IN ITS METHOD - A technology is disclosed for providing a packet transfer control method that can transmit a DU message to a specific CN or a specific flow to prompt a change in destination, while maintaining a transfer request to a CoA from a HA. In the technology, when a home agent receives a packet addressed to a mobile terminal from a predetermined communication terminal, the mobile terminal transmits a second message to the home agent, the second message including information required for the home agent to transmit a first message to the predetermined communication terminal. The first message states that a currently used address addressed to the mobile terminal cannot be used. The home agent generates the first message based on the information included in the second message and transmits the generated first message to the predetermined communication terminal. | 03-11-2010 |
20100061319 | COMMUNICATION CONTROL METHOD, COMMUNICATION SYSTEM, HOME AGENT ALLOCATION SERVER, AND MOBILE NODE - Disclosed is a technique for allowing a mobility service provider to allocate a home agent appropriate for each individual mobile node. According to the technique, an MN | 03-11-2010 |
20100067381 | Overlay Network Node and Mobile Node - A technology is disclosed for appropriately providing a certain service desired by a mobile node, even in an environment including overlay network nodes providing different functions. In the technology, a mobile node (MN) | 03-18-2010 |
20100085915 | Overlay Network Node - A technology is disclosed for actualizing route optimization on a network base, even when privacy-sensitive information, such as a position of a mobile node, is not revealed between two different networks. In the technology, a pHA | 04-08-2010 |
20100097993 | System for Effective Position Management Signaling Associated with Mobile Node Moving in Mobile Network, Router, Mobile Node, and Mobile Router - The present invention provides a system and method for achieving fast and efficient location management signaling between a mobile node, which is nested in a mobile network for possibly long periods of time, and a plurality of correspondent nodes and home agents associated with the said mobile node. More particularly, the present invention relates to attaining fast and efficient location management signaling by means of secure delegation of signaling rights to some trusted signaling proxy server in the fixed domain, which does the location management signaling for the mobile node as a signaling proxy for the mobile node. This signaling proxy server discovered is such that it is in the natural path of the care-of test packets and also be able to send the care-of test init packets using MN's care-of address overcoming ingress filtering. | 04-22-2010 |
20100135248 | Mobile Communication Terminal and Communication Device - Disclosed is a technique for reducing delay when a mobile communication terminal starts communication and reducing consumption of a power resource of the mobile communication terminal. An MN (mobile node) ( | 06-03-2010 |
20100189000 | PREFIX INFORMATION CHECK DEVICE AND COMMUNICATION DEVICE - Disclosed is a technique to prevent the registration of false information that a mobile router is managing prefix information that is not actually managed. According to the technique, when a mobile network prefix is registered from an MR (mobile router | 07-29-2010 |
20100189027 | RADIO TRANSMISSION METHOD, RADIO RECEPTION METHOD, RADIO TRANSMISSION-RECEPTION METHOD, RADIO TRANSMISSION APPARATUS, RADIO RECEPTION APPARATUS, RADIO TRANSMISSION-RECEPTION SYSTEM, BASE STATION APPARATUS, AND COMMUNICATION TERMINAL - A radio communication base station apparatus, a radio communication terminal, and radio transmission and reception methods for a terminal to efficiently acquire the service status of the neighbor-cell before the terminal makes a cell change are provided. A subarea ID storage section | 07-29-2010 |
20100197223 | RELAY STATION, MOBILE STATION, AND RELAY TRANSMISSION METHOD IN MOBILE COMMUNICATION SYSTEM - Provided is a mobile communication system which includes a plurality of RAT (Radio Access Technology) and can eliminate the need of a control channel for reporting RAT information so as to prevent congestion or shortage of the control channel capacity. In the mobile communication system, an LTE relay station ( | 08-05-2010 |
20100202352 | SYSTEM, METHOD AND APPARATUS FOR ROUTE-OPTIMIZED COMMUNICATION FOR A MOBILE NODE NESTED IN A MOBILE NETWORK - In a future scenario where end to end route optimization protocol such as the Access Router Option protocol and Hierarchical Mobility Management protocol are implemented in the visiting mobile nodes, mobile routers and the mobility anchor points, routing sub-optimality may occur when visiting mobile node that is nested is trying to communicate with the correspondent node. To overcome such routing sub-optimality arising in this heterogeneous protocol scenario, this invention presents a primary mechanism where the registration at the mobility anchor point is such that the local care-of address associated with visiting mobile node and local care-of addresses associated with upstream mobile routers of the visiting mobile node can be obtained using a single access router option protocol type of recursive tracing mechanism. Such tracing is achieved by embedding a different type of address in the access router option based binding registration at the mobility anchor point. | 08-12-2010 |
20100202385 | SYSTEM, METHOD AND APPARATUS FOR ROUTE-OPTIMIZED COMMUNICATION FOR A MOBILE NODE NESTED IN A MOBILE NETWORK - To overcome the routing sub-optimality problem arising in the heterogeneous protocol scenario where end-to-end route optimization protocol such as the Access Router Option protocol and Hierarchical Mobility Management protocol are implemented in the mobile hosts and mobile routers, this invention presents three methods. The first method is such that when visiting mobile node or mobile router wants to perform access router option based route optimization with some node, it will use its local care-of address as its care-of address. The second method is such that when visiting mobile node or mobile router decides to use hierarchical mobility management with some node, it will use regional care-of address as its care-of address. The third method is such that when there is legacy mobility anchor point in architecture, mobile router does not send the mobility anchor point option in its router advertisement. | 08-12-2010 |
20100208663 | COMMUNICATION SYSTEM, MOBILE TERMINAL, AND NETWORK NODE - The invention discloses a technique to efficiently realize a routing based on preference of a mobile terminal in case the mobile terminal is connected to a mobility management domain of network base different from a home network domain. According to this technique, a mobile terminal (mobile node; MN) | 08-19-2010 |
20100208706 | NETWORK NODE AND MOBILE TERMINAL - Disclosed is a technique of, in a network conducting network based local mobility management, suppressing generation of signaling and an increase of processing load on a network entity and preventing a delay. According to this technique, a mobile node (MN | 08-19-2010 |
20100214982 | COMMUNICATION CONTROL METHOD, NETWORK NODE, AND MOBILE TERMINAL - A technology is disclosed with which a mobile terminal moving in a PMIP domain receives various types of prefixes and selects a type of an address to be configured, and route optimization is performed without adding a signaling load on the PMIP domain. According to the technique, when connecting with a home domain, a MN ( | 08-26-2010 |
20100214998 | Network Management Device and Packet Transfer Device - A technique to optimize packet transfer in a network is disclosed. According to this technique, a mobile node (MN) | 08-26-2010 |
20100216462 | NETWORK NODE AND MOBILE TERMINAL - A technique is disclosed, according to which a mobile node, having a plurality of interfaces and performing communication according to flow information when an operator is performing communication based on the flow information as defined by a policy, can select an interface suitable for the flow and can perform communication. According to this technique, a mobile node (MN | 08-26-2010 |
20100222093 | RADIO COMMUNICATION METHOD AND RADIO COMMUNICATION TERMINAL ACCOMMODATING APPARATUS - A technique capable of improving the communication throughput while maintaining the interchangeability with a radio communication system or radio communication method employing carrier sense in a conventional multiple access system is disclosed and, on the basis of this technique, a radio communication terminal accommodating apparatus determines the allocation order of communication right permitting the occupation of a radio transmission medium with respect to each of a plurality of radio transmission terminals and transmits a multiple-polling signal | 09-02-2010 |
20100238864 | MOBILE TERMINAL, NETWORK NODE, AND PACKET TRANSFER MANAGEMENT NODE - A technique is disclosed, according to which a race condition between a PMIPv6 binding by a PBU message of PMIPv6 and a CMIPv6 binding by a BU message of CMIPv6 can be resolved. MN | 09-23-2010 |
20100241737 | METHOD AND APPARATUS FOR ADDRESS VERIFICATION DURING MULTIPLE ADDRESSES REGISTRATION - In this present invention, when the HA is performing Bulk Registration for a Multimode Node, the HA will tagged those CoAs specified within the single BU as unverified. A verification mechanism implemented at the HA will be triggered to test the addressability of the unverified CoA before using the said unverified CoA. The method of verification involves the HA to send an acknowledgment message to an unverified CoA of the Multimode Node to test the said unverified CoA for its addressability. When the Multimode Node receives the acknowledgment message from the HA, the Multimode Node replies the HA with another single BU. Upon the receipt of the second single BU from the Multimode Node, the HA can then verify that the said unverified CoA of the Multimode Node. | 09-23-2010 |
20100246484 | COMMUNICATION MANAGEMENT APPARATUS AND LOCATION MANAGEMENT APPARATUS - The present invention provides a new technique, according to which a mobile router can fulfill functions as a dynamic home agent, in a system where a plurality of mobile routers are in operation, under the management of a service provider belonging to the home agent. According to this technique, the home agent verifies the legitimacy of the mobile router when it receives a Query message and a binding update message requesting permission to fulfill functions as dynamic home agent. Then, after confirming that no other mobile router is currently present, which is fulfilling the functions as dynamic home agent in a set of a plurality of mobile routers, to which this mobile router belongs, it allows said mobile router to operate as the dynamic home agent. Then, even when other mobile router requests the permission to fulfill functions as the dynamic home agent, the request is rejected, and said other mobile router utilizes the mobile router, which is fulfilling functions of the dynamic home agent, as its home agent. | 09-30-2010 |
20100268804 | ADDRESS ALLOCATION METHOD, ADDRESS ALLOCATION SYSTEM, MOBILE NODE, AND PROXY NODE - Disclosed is a technique for switching a forwarding address of a packet destined for a mobile node in a local mobility domain when the mobile node has a plurality of interfaces so that the packet will be forwarded to the mobile node. According to the technique, an MN | 10-21-2010 |
20100271966 | COMMUNICATION SYSTEM, RESOURCE MANAGEMENT DEVICE, WIRELESS BASE STATION AND WIRELESS COMMUNICATION TERMINAL - Disclosed is a technique of efficiently collecting communication quality information with excellent responsiveness in wireless resource management. According to the technique, a RRM | 10-28-2010 |
20100275253 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, AND COMMUNICATION NODE - There is provided a technique for reducing the number of messages handled in a Return Routability (RR) procedure for performing authentication between a mobile node (MN) and a peer communication node (CN). According to the technique, an MN | 10-28-2010 |
20100278146 | CELL SELECTION SYSTEM, CELL SELECTION METHOD, AND MOBILE TERMINAL - A cell selection system is for selecting a cell to be used for communications by a mobile terminal ( | 11-04-2010 |
20100296443 | SYSTEM, METHOD AND APPARATUS FOR ROUTE-OPTIMIZED COMMUNICATION FOR A MOBILE NODE NESTED IN A MOBILE NETWORK - When a mobile host or mobile router in nested mobile network is roaming in a domain with multiple mobility anchor points, if the mobile host or mobile router in the nested mobile network tree path chooses different mobility anchor points to derive its regional care-of address, routing sub-optimality may occur. To overcome such routing sub-optimality, this invention presents two main methods. The first method is where the mobile router detects that a downstream node in its tree path has derived a regional care-of address from another mobility anchor point, and will make appropriate on-demand duplicate registration at the other mobility anchorpoint. The second method is such that the mobile router informs its own mobility anchor point of other mobility anchor point addresses, so that the mobile router's mobility anchor point will pass the location entries of the mobile router to the other mobility anchor points. | 11-25-2010 |
20100309880 | CONNECTION STATE REPORTING METHOD AND MOBILE TERMINAL USED IN THE METHOD - A technology is disclosed for providing a connection status notifying method and the like that can infer that a new connection will become usable shortly based on a predetermined action, and give notification thereof. The technology includes a step at which a mobile node | 12-09-2010 |
20100309899 | MOBILE TERMINAL AND NETWORK NODE - Disclosed is a technique for achieving reduction in processing load caused when a mobile terminal having two or more interfaces registers flow control information with a network and reduction in traffic of signaling for the registration. According to this technique, a mobile terminal (MN | 12-09-2010 |
20100315973 | COMMUNICATION SYSTEM, DOMAIN MANAGING DEVICE, EDGE DEVICE AND MOBILE TERMINAL DEVICE - A technique disclosed enables a node having a plurality of interfaces to conduct connection of the plurality of interfaces simultaneously in a communication network domain. A mobile node having a plurality of interfaces connects one of the interfaces with a MAG (mobile access gateway) | 12-16-2010 |
20100316035 | POSITION INFORMATION MANAGEMENT DEVICE, NETWORK EDGE DEVICE, AND MOBILE TERMINAL - Disclosed is a technique that, in a network-based local mobility management method, reduces the load of a network node for managing position information of a mobile terminal and achieves a high scalability with respect to the number of mobile terminals. According to the technique, a LMA (Local Mobility Anchor) ( | 12-16-2010 |
20110002248 | MOBILE TERMINAL AND NETWORK NODE - Disclosed is a technique to enable a mobile terminal to grasp an address handling method used for each service and hence to achieve more efficient communication. According to this technique, a mobile terminal (UE) | 01-06-2011 |
20110002294 | COMMUNICATION SYSTEM, COMMUNICATION CHANNEL EFFICIENCY IMPROVING DEVICE, AND RADIO COMMUNICATION TERMINAL - A technique is disclosed, according to which the efficiency of a communication channel where the communication is performed between radio communication terminals. According to this technique, under the network condition where different types of connection can be made to different types of networks, radio communication terminals performing communication with each other can perform communication by being connected to the same access network. For instance, by changing the connection of UE_a | 01-06-2011 |
20110090842 | Network mobility management method and corresponding apparatus - The present invention discloses a technique for realizing more secure communication and more efficient communication. According this technique, mobile router | 04-21-2011 |
20110096660 | HANDOVER PROCESSING METHOD, AND MOBILE TERMINAL USED IN THE METHOD - Disclosed is a technique to provide a handover processing method to avoid a failure in both of the handovers and enables communication via an access network as a UE initiated handover target that is originally optimal. The handover processing method includes: a step where a mobile terminal ( | 04-28-2011 |
20110103348 | HANDOVER PROCESSING METHOD, AND MOBILE TERMINAL AND COMMUNICATION MANAGEMENT DEVICE USED IN SAID METHOD - Provided is a technique to provide a handover processing method that allows a mobile terminal to be handed over seamlessly while preventing occurrence of double reservation. The method includes a step where a mobile terminal ( | 05-05-2011 |
20110110334 | COMMUNICATION SYSTEM, COMMUNICATION PROCESSING DEVICE AND AUTHENTICATION PROCESSING DEVICE - Disclosed is a technique to enable a session handover between devices with different key generation functions in an authentication protocol. According to the technique, when a session where a UE ( | 05-12-2011 |
20110116450 | MOBILE TERMINAL AND NETWORK NODE - Disclosed is a technique for surely supporting multihoming for a mobile terminal (mobile node) moving in a local mobility domain. A mobile node (MN) | 05-19-2011 |
20110122815 | INFORMATION EXCHANGE BETWEEN GATEWAYS FOR ROUTE OPTIMIZATION WITH NETWORK-BASED MOBILITY MANAGEMENT - The invention relates to a method for informing two access gateways about each other's presence and identity, in order to establish a data path between them, thereby shortening the overall data path of data packets exchanged between two mobile nodes (MN), that are located in different networks. In particular, each access gateway is provided with the other gateway's address and additionally with the other MN's address for forwarding by the access gateway those data packets destined to the other MN to the other access gateway. A combination of Session Initiation Protocol messages (Invite and Ringing) and route optimization messages are used, so as to confer the information on the gateway's ID and MN's address to the gateways. | 05-26-2011 |
20110134787 | METHOD AND APPARATUS FOR INTERMITTENT COMMUNICATION - When an intermittent communication mode is entered, a check period and intermittent reception mode period thereof are determined and the intermittent reception mode is reentered through an ignored process, that is, when the intermittent reception mode is entered, the check period and intermittent reception mode period are determined in overhead | 06-09-2011 |
20110134869 | PREFIX ALLOCATION ADMINISTRATION SYSTEM AND MOBILE TERMINAL, AND PREFIX ALLOCATION ADMINISTRATION DEVICE - Disclosed is a technique for minimizing the number of prefixes to be allocated to a mobile terminal when the mobile terminal having multiple access technologies moves within a mobility management domain of a local network. According to the technique, management is so performed that prefixes necessary for a mobile terminal (MN | 06-09-2011 |
20110134882 | COMMUNICATION SYSTEM, TERMINAL DEVICE, BASE STATION, COMMUNICATION QUALITY MANAGEMENT METHOD, AND PROGRAM - In a communication system ( | 06-09-2011 |
20110151867 | MOBILE TERMINAL, MACRO BASE STATION, AND CELL SELECTION SYSTEM - A mobile terminal ( | 06-23-2011 |
20110170531 | PREFIX ASSIGNING METHOD, PREFIX ASSIGNING SYSTEM AND MOBILE NODE - The present invention discloses a technique to bind home address of a mobile node to prefixes assigned to a mobile node having a plurality of interfaces, and the present invention reduces number of binding update messages and a packet size. According to this technique, length (e.g. 64 bits) of an original prefix P | 07-14-2011 |
20110171929 | WIRELESS COMMUNICATION BASE STATION, WIRELESS COMMUNICATION EQUIPMENT, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication base station ( | 07-14-2011 |
20110199981 | COMMUNICATION SYSTEM, COMMUNICATION METHOD, NETWORK SIDE COMMUNICATION DEVICE AND COMMUNICATION TERMINAL - Disclosed is a technique for performing flexible service-level access control in real-time while suppressing occurrence of signaling. According to the technique, a network entity (AAA server | 08-18-2011 |
20110208877 | HANDOVER METHOD, AND MOBILE TERMINAL AND HOME AGENT USED IN THE METHOD - A technology is disclosed that provides a handover method and the like capable of improving communication efficiency by reducing tunnel overhead between a mobile node and a home agent. The technology includes: a step of transmitting, by a mobile node (UE) | 08-25-2011 |
20110211557 | HANDOVER PROCESSING METHOD, AND MOBILE NODE, CONNECTION MANAGING APPARATUS AND BASE STATION USED IN THAT METHOD - Disclosed is a technique which provides a handover processing method and the like which enable a smooth handover without service interruption and allow a desired handover to be performed. The technique includes the steps of: generating by a mobile node | 09-01-2011 |
20110211558 | HANDOVER METHOD AND MOBILE TERMINAL AND HOME AGENT USED IN THE METHOD - Disclosed is a technique to provide a handover method that can improve the communication efficiency by reducing tunnel overhead between a mobile node and a home agent. When the mobile node (UE) ( | 09-01-2011 |
20110237218 | MOBILE TERMINALS, AND EARTHQUAKE AND TSUNAMI WARNING SYSTEM - An ETWS according the invention comprises a macro base station, an HeNB, and a mobile terminal ( | 09-29-2011 |
20110300867 | TERMINAL DEVICE, HOME BASE STATION, AND HOME BASE STATION SWITCHING DEVICE - A wireless communication system comprises an MME ( | 12-08-2011 |
20110317654 | WIRELESS TRANSCEIVER, WIRELESS BASE STATION, WIRELESS TERMINAL, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication system comprises: a wireless base station that uses dedicated frequencies to communicate with only connected LTE-A terminals and uses shared frequencies to communicate with LTE terminals and LTE-A terminals; and an LTE-A terminal. The wireless base station comprises: a priority information creating section for setting a priority of each of the shared frequencies for idle LTE-A terminals, setting a priority of each of the plurality of frequencies for connected LTE-A terminals, and creating priority information indicative of the set priority; a system information creating section for creating system information that includes the priority information; and a transmission section for transmitting the system information. The LTE-A terminal receives system information transmitted from the wireless base station, and selects a frequency on which the LTE-A terminal camps and a frequency at which the LTE-A terminal transmits an RACH preamble based on the priority information included in the system information. In this way, the LTE-A terminal can be connected to an appropriate carrier. | 12-29-2011 |
20120002653 | MOBILE NODE AND COMMUNICATION CONTROL METHOD - A technology is disclosed for a mobile device with multiple interfaces to make use of its multiple interfaces capability with Mobile IP. According to this technology, MN (Mobile Node) | 01-05-2012 |
20120004010 | WIRELESS COMMUNICATION SYSTEM, TERMINAL APPARATUS, BASE STATION APPARATUS, AND WIRELESS COMMUNICATION METHOD - When detecting occurrence of an event for transmitting a measurement report of a radio condition of a cell at a frequency set for a base station apparatus, to the base station apparatus ( | 01-05-2012 |
20120011261 | SESSION CHANGE METHOD AND SESSION CHANGE DEVICE - A technique is disclosed to realize the change of session seamlessly and with high degree of freedom while reducing the increase of the processing load on a session control server upon a request to change the session from a terminal and to decrease the load on network traffic. According to this technique, trigger information is embedded in a session of content used by the terminal. When this trigger information is detected, the terminal carries out an operation to set up as trigger action (e.g. the change to another session). The relation between the trigger information and the trigger action may be described in sequence information, which is held by the terminal in advance or the trigger action may be described in the trigger information. With regard to certain trigger information, different types of trigger actions may be set up for each terminal (or, depending on the condition of the terminal). As a result, different types of session change can be performed, depending on each terminal and on the conditions of the terminals. | 01-12-2012 |
20120039213 | MOBILE COMMUNICATION METHOD, MOBILE COMMUNICATION SYSTEM, AND CORRESPONDING APPARATUS - The present invention introduces a method for the network to optimize the route for user's local IP access, without affecting the access to operator's core network. With this mechanism, no excessive signalling is needed for the optimization. The present invention is also applicable to the corporate network that has multiple home NodeBs or home eNodeBs. Finer grain control on the services to be provided over different home NodeB or home eNodeB is also possible. Further, path optimization and continuation of the service upon handover can be controlled, and hence flexibility of the service can be secured. | 02-16-2012 |
20120039323 | APPARATUS FOR MANAGEMENT OF LOCAL IP ACCESS IN A SEGMENTED MOBILE COMMUNICATION SYSTEM - The present invention introduces a method for managing the route to be used for the user's local device access traffic through the use of intelligent switching performed by the breakout node (eNodeB, home NodeB, or home eNodeB) together with the local access gateway node of the local service domain. Essential information pertaining to performance of this intelligent switching is obtained through the communication of specific tokens using selected channels of communication. A variety of combinations pertaining to the setup, selection and composition of token and channel is possible and described. | 02-16-2012 |
20120046066 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION BASE STATION, AND WIRELESS COMMUNICATION SYSTEM - Provided is a wireless communication apparatus that transfers information required for a terminal, which performs a carrier aggregation, to be handed over to another base station, while reducing the size of a measurement result report. When establishing wireless communication with the wireless communication base station by use of a plurality of cells of the wireless communication base station, a controller provided in a wireless communication apparatus determines whether to control the measurement result report preparation section so as to prepare the measurement result report by grouping measurement results of at least two cells of the plurality of cells or to control the measurement result report preparation section so as to prepare the measurement result report while including the measurement results of the plurality of respective cells. | 02-23-2012 |
20120057474 | METHOD AND APPARATUS FOR HANDOVER CONTROL IN A MOBILE COMMUNICATION SYSTEM WITH CSG - Due to the coverage size of the CSG cell, handover to macro-cell may occur frequently. These handovers are not desirable to both the user and operators. However, to disable or delay the handover of the CSG Cell would cause UE experiencing radio link failure and not able to re-establish connection to other cells. The present invention introduces a method for the UE to increase the stickiness to the CSG cells based on the user preferences and application requirements. When applied, it keeps the UE to the CSG cell as long as possible and reduces the possibility of connection re-establishment failure. The invention is also applicable to the corporate network deployment with multiple CSG cells. | 03-08-2012 |
20120088508 | TERMINAL DEVICE, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD - A terminal device ( | 04-12-2012 |
20120099466 | COMMUNICATION TERMINAL - A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement. | 04-26-2012 |
20120113959 | CONNECTION MANAGEMENT METHOD, CONNECTION MANAGEMENT SYSTEM, MOBILE TERMINAL, PACKET DATA GATEWAY AND MOBILE MANAGEMENT GATEWAY - When a mobile terminal transmitting/receiving a packet using a plurality of IP address types performs a handover to an access network (single address type connection network) permitting transmission/reception of a packet using a single IP address only, an IP address not permitted is unfortunately discarded at an access network as a handover destination. Disclosed is a technique configured so that a mobile terminal (UE | 05-10-2012 |
20120155313 | COMMUNICATION SYSTEM, MOBILE TERMINAL, NETWORK NODE, AND BASE STATION APPARATUS - Disclosed is a technique for enabling a mobile terminal, which is capable of using a plurality of communication routes for communication with a correspondent node, to select an appropriate communication route to communicate with the correspondent node. According to the technique, the mobile terminal (UE/MN | 06-21-2012 |
20120182859 | PACKET RESTORATION METHOD, PACKET RESTORATION SYSTEM, AND MOBILE TERMINAL AND INTERMEDIATE DEVICE USED IN THE METHOD - The present invention discloses a technique for providing a packet recovery method, and the like, capable of starting packet recovery processing without waiting for a wasteful latency (time-out) at a mobile terminal by giving notice of information on a packet discard in a gateway device in real time, thereby enabling improvement in communication quality and communication efficiency. According to the technique, there is provided a packet recovery method for recovering a packet discarded by an intermediate device positioned on a communication path between a mobile terminal and a correspondent node of the mobile terminal among packets exchanged between the mobile terminal and correspondent node, the method including: a step of causing the intermediate device to transmit a discard notification message to the mobile terminal based on information on a communication flow for which transmission of the discard notification message indicating that the packet has been discarded is required; and a step of causing the mobile terminal to transmit the correspondent node a retransmission request message for requesting retransmission of the discarded packet based the discard notification message. | 07-19-2012 |
20120208506 | COMMUNICATION SYSTEM, USER EQUIPMENT AND COMMUNICATION NODE - Disclosed is a technique to enable a user equipment at a remote place to perform local IP access to a locally-accessible network with simpler procedure and such a configuration while achieving the efficiency of costs and facility. According to the technique, a network (LIA-PDN | 08-16-2012 |
20120301099 | DATA PROCESSING UNIT AND DATA ENCODING DEVICE - Disclosed in a technique for performing data transmission between units efficiently in an imaging device, in which a camera unit and the other units (particularly a display unit) are separated and connected wirelessly, to improve convenience. According to this technique, video content data imaged by an imaging section is encoded, by means of hierarchical coding, into checking content coded data of a core layer and saving content coded data of an enhancement layer. The checking content coded data is sent immediately from a checking content transmission section | 11-29-2012 |
20120307020 | IMAGING CONTROL DEVICE, IMMERSION POSITION INFORMATION GENERATION DEVICE, IMAGING CONTROL METHOD, IMMERSION POSITION INFORMATION GENERATION METHOD - A technology is disclosed that provides an imaging control device and the like capable of actualizing immersive zoom enlargement. The technology includes: an imaging unit | 12-06-2012 |
20120307913 | CONTENT COMMUNICATION DEVICE, CONTENT PROCESSING DEVICE AND CONTENT COMMUNICATION SYSTEM - Disclosed is a technique in which, upon relay broadcasting, a location side can check quickly on how the actions at the location (location side) are reflected as a broadcasting content. According to the technique, a content communication device at the location uses hierarchical coding to encode shot content data into coarse material content coded data of a core layer and broadcast-level material content content coded data of an enhancement layer. The coarse material content coded data is transmitted immediately to a content processing device at a coordination station. The content processing device performs, on the coarse material content, editing processing (or part thereof) to be performed for actual broadcasting, and sends back the content as a coordinating content. For example, the coordinating content has the same composition as an actually broadcast content (i.e., the position of synthesized information is the same, or the like), so that coordination based on the final broadcast content can be done at the location with reference to the coordinating content. | 12-06-2012 |
20120309390 | BASE STATION APPARATUS, MOBILE APPARATUS, AND COMMUNICATION METHOD - A mobile communication system includes a plurality of RAT (Radio Access Technology) and can eliminate the need of a control channel for reporting RAT information. An LTE relay station has a cover area identical to a cover area owned by a WLAN host station and relays/transmits the signal received from an LTE base station to a mobile station in the cover area of the LTE relay station. The LTE relay station adds to the signal received from the LTE base station, one of the offsets: a frequency offset, a time offset, and a power offset as information indicating that the mobile station which receives a relay signal from the local station is located in the cover area of WLAN and transmits the signal after offset addition to the mobile station located in the cover area of the LTE relay station (i.e., the cover area of WLAN). | 12-06-2012 |
20140219205 | NETWORK NODE AND MOBILE TERMINAL - A technique is disclosed, according to which a mobile node, having a plurality of interfaces and performing communication according to flow information when an operator is performing communication based on the flow information as defined by a policy, can select an interface suitable for the flow and can perform communication. According to this technique, a mobile node (MN | 08-07-2014 |