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 |
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 |
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 |
20090116451 | MOBILE TERMINAL APPARATUS AND HAND-OFF METHOD THEREOF - A mobile terminal that ensures smooth, continuous communications sessions even when in transit, regardless of base station capabilities and functionalities, in a packet-switched data communications network. With this terminal, each of a plurality of lower interfaces | 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 |
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 |
20090147789 | NETWORK ELEMENT APPARATUS AND INTERMEDIATE ROUTER APPARATUS - As an apparatus itself moves, its access section gets access to a router using a temporarily assigned global address when making a roaming connection to a different network from a network to which the apparatus belongs currently. A message generating section generates a binding update message, which contains a global address which is uniquely assigned to a network element apparatus, the above temporarily assigned global address, and a global address of the router, to transmit the generated message via the access section to a router, which is a serving router after move. This makes it possible to deliver packets among moving networks with the minimum delay to an intended recipient. | 06-11-2009 |
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 |
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 |
20090257346 | MOBILE NETWORK CONTROL APPARATUS AND MOBILE NETWORK CONTROL METHOD - A mobile network control apparatus capable of improving transmission efficiency without giving any processing loads to nodes of a mobile network. In mobile routers to which the present apparatus is applied, a tunnel failure detection unit detects a failure of packet tunneling executed using an interface of the mobile routers. A multi-homing detection unit searches for interfaces having a connection route to a global network out of an interface of the mobile routers according to the detected failure of packet tunneling, A bidirectional tunneling unit executes packet tunneling using the searched interfaces instead of the interface of the mobile routers. | 10-15-2009 |
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 |
20090268661 | MOBILE COMMUNICATION TERMINAL APPARATUS, CONTROL METHOD THEREOF, COMMUNICATION SYSTEM, AND ROAMING METHOD THEREOF - A mobile communication terminal apparatus and a control method thereof wherein a smooth handoff can be quickly achieved in a seamless manner during a roaming between data communication networks of different packet exchange systems. A mobile communication terminal apparatus ( | 10-29-2009 |
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 |
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 |
20100040021 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, PROXY NODE, AND MANAGEMENT NODE - A technique of acquiring a binding ID when a mobile node performs handover is disclosed. According to the technique, when an MN | 02-18-2010 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20110013566 | COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, ACCESS ROUTER - Disclosed is a technique to reduce the number of messages to register mobile node position information with a home agent when a mobile node roams into a foreign network domain having a roaming relationship with a home network domain. Upon reception of network information | 01-20-2011 |
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 |
20110103260 | BINDING CACHE CREATING METHOD, BINDING CACHE CREATING SYSTEM, HOME AGENT, AND MOBILE NODE - Disclosed is a technique to, when a mobile node including a plurality of interfaces roams in a home domain, reduce signaling to create a client-based binding cache in a home agent and manages the same. When a MN ( | 05-05-2011 |
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 |
20110116475 | VERTICAL HANDOFF METHOD, VERTICAL HANDOFF SYSTEM, HOME AGENT, AND MOBILE NODE - The invention provides a technique to reduce a packet size of signaling to request vertical handoff in case a mobile node has static vertical handoff rules. According to this technique, MN | 05-19-2011 |
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 |
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 |
20110208847 | ADDRESS REGISTRATION METHOD, ADDRESS REGISTRATION SYSTEM, MOBILE DEVICE AND MOBILE MANAGEMENT DEVICE - Disclosed is a technique in which, when respective addresses of multiple interfaces of a mobile node are registered with a mobile management device, a delay in transmission of packets destined to addresses other than the source address of a bulk registration message is prevented. According to the technique, an MN | 08-25-2011 |
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 |
20120063428 | Interface Switching System, Mobile Node, Proxy Node, and Mobile Management Node - A technology is disclosed for preventing packet and transferring packets to a switched interface with minimal delay, when a mobile node switches a using interface. According to the technology, when a MN | 03-15-2012 |
20120069797 | METHOD FOR A COMMUNICATION NODE WITH A PLURALITY OF COMMUNICATION INTERFACES TO NOTIFY DYNAMIC PATH SETUP AND ASSOCIATES APPARATUS THEREOF - A User Equipment (UE) that is simultaneously connected (via a 3G connection and a non-3G connection) to a Packet Data Network Gateway (P-GW) can direct how traffic flows would be routed from the P-GW to the UE. Typically, the P-GW would setup the 3G communication path to the UE when it receives a downlink data packet directed to the UE's 3G path. If the P-GW uses such logic for setting a communication path to the UE without knowing the user's actual intention, this might result in the case where the user would experience some service degradation for ongoing session. In addition, it is possible that the packets filters for a first UE interface are not utilized due to the erroneous setting of the packets filters for a second UE interface. To resolve this issue, the UE would indicate to the P-GW of the user's intention for communication path setup with the benefit of conserving the UE's battery. | 03-22-2012 |
20120106554 | REDIRECTION METHOD, REDIRECTION SYSTEM, MOBILE NODE, HOME AGENT, AND PROXY NODE - Disclosed is a technique to eliminate wasted tunneling encapsulation processing during redirection of a packet. According to the technique, when a packet of a first connection passing through a LMA | 05-03-2012 |
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 |
20120264443 | COMMUNICATION SYSTEM AND APPARATUS FOR STATUS DEPENDENT MOBILE SERVICES - The present invention introduces system, apparatus and method that reduce wastage of network resources and mobile phone resources. The mobile phone would indicate its status in a tracking area update message when it is connected to the device. The network can then understand from the status indication that the mobile phone is capable of delivering packets to the device, and would thus allow the server to initiate communications. An absence of the status indication would imply the mobile phone is not capable of delivering packets to the device, and the network would then disallow the server to initiate communications. | 10-18-2012 |
20130028172 | PATH SWITCHING SYSTEM, PATH SWITCHING METHOD, AND MOBILE TERMINAL - A path switching system is provided, in which when UE has been offloaded from a first PDN-GW to a second PDN-GW, if there is an additional connection of the UE to the first PDN-GW, processing related to the additional connection can be performed on the UE side. The system includes: a control unit for sending a mobile terminal a message including information indicative of having switched relay devices, which relay a packet between the mobile terminal and a communication device, from a first relay device to a second relay device; and the mobile terminal for determining whether there is an added path other than part of a path from the mobile device before movement to the communication device and capable of being managed by the control unit, established between the mobile terminal and the first relay device, and when there is the added path, performing processing on the added path. | 01-31-2013 |
20130230024 | COMMUNICATION TERMINAL AND NETWORK NODE - Disclosed is a technique allowing a communication terminal, even after a handover between different types of networks, to determine whether a communication that was in progress in an access network connected before the handover can be resumed or not. In order to receive an incoming CS call during a connection to a PS domain (E-UTRAN | 09-05-2013 |
20130273938 | METHOD FOR DETERMINATION OF WIRELESS TERMINALS POSITIONS AND ASSOCIATED SYSTEM AND APPARATUS THEREOF - Conventional position estimation methods require the deployment of more fixed anchors in order to increase the accuracy in a crowded indoor environment, or they suffer from inaccuracies due to multipath fading. The present invention overcomes the problems associated with the prior arts by selecting one or more mobile nodes as virtual anchors when estimating the position of a target mobile node. This takes advantage of the fact that mobile nodes are closer to the target mobile node than the access points in most typical deployments, thus eliminating the need to deploy more access points or fixed anchors for the purpose of position determination. After obtaining an initial estimate of the position of the target mobile node, the target mobile node can serve as virtual anchors to estimate the positions of other mobile nodes, which can then be used to further refine the position estimate of the target mobile node. | 10-17-2013 |
20140036873 | COMMUNICATION SYSTEM, MOBILE TERMINAL, ROUTER, AND MOBILITY MANAGEMENT ENTITY - With the deployment of the Mobile Routers, some of the mobile devices would access the IP services, e.g. Remote Local IP Access (LIPA), via the local connections provided by the Mobile Router. In such cases, the mobile devices may be detached from the 3GPP access, and thus lose the capability of receiving certain services, e.g. CS domain related services. This invention presented a solution to allow the mobile device to continue enjoying the services provided via 3GPP access by placing the mobile device into a special state and binding Mobile Router's context with the mobile device's context. In this way, the mobile operator's core network would be able to trigger the mobile device to receive the CS service even its 3GPP access connections are removed. | 02-06-2014 |
20140079047 | MOBILE NODE AND COMMUNCIATION 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) | 03-20-2014 |
20140204909 | METHOD AND APPARATUS FOR MOBILE TERMINAL CONNECTION CONTROL AND MANAGEMENT OF LOCAL ACCESSES - An offloading method comprising the steps of: when the mobile terminal starts offloading in a first network, transmitting, by the mobile terminal, a first message to a mobility management device performing mobility management of the mobile terminal in a second network, the first message including information indicating that the offloading is started; transmitting, by the mobility management device, a second message to the mobile terminal, the second message including selection information in the second network, the selection information being for selecting, on basis of the first message, as to in which network offloading is to be performed; and deciding, by the mobile terminal, whether the offloading is to be maintained in the first network or whether new offloading is to be performed in the second network on a basis of the selection information included in the second message and judgment information in the first network that the mobile terminal has. | 07-24-2014 |
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 |