Abstract: A packet data network gateway (PDN-GW) on a wireless telecommunications network having a target radio access network (RAN) and a Serving (GW) includes a processing unit which generates an end marker packet The PDN-GW includes a network interface which sends the end marker packet onto the network to assist the target RAN in reordering of downlink data. A method for a packet data network gateway (PDN-GW) on a wireless telecommunications network having a target radio access network (RAN) and a Serving (GW) includes the steps of generating an end marker packet with a processing unit. There is the step of sending the end marker packet onto the network with a network interface to assist the target RAN in reordering of downlink data.

Abstract: A node (115, 210) for a mobile network (100), arranged to forward control plane signaling to and from an end user (140, 216) in the system (100) to other nodes in the system (100) and also being arranged to keep track of a state of the end user (140, 216). The node (115, 210) is arranged to use a so called VRRP protocol, Virtual Router Redundancy Protocol to monitor the function of a second node (120, 212) in the system, a so called “peer node” to the node (115, 210) itself and to have its own function be monitored by a VRRP of the peer node (120, 212). The node (115, 210) is also arranged to use a second protocol for transferring information on a state of the end user (140, 216) to the peer node. A node (120, 212) for receiving such information is also disclosed.

Abstract: A serving gateway node (SGW) and a method therefore is being provided being adapted for operating in a network in which a control-plane tunnel between a mobility manage-men! entity (MME) and a serving gateway node (SGW), a control plane tunnel between the serving gateway node (SGW) and a packet gateway node (PGW), and one or more user plane tunnels between the serving gateway node (SGW) and the packet gateway node (PGW), may be set up, the serving gateway (SGW) comprising an application layer control mechanism (APL LR CTRL), interface means, (!F) and a data base (DB). The serving gateway (SGW) is adapted for entering a state of ECM-IDLE (108) and ECM-CONNECTED (110) for a user entity (UE) in question. The serving gateway upon reception of a Modify Bearer Request message (107) may effectuate a setting up one or more user plane tunnels between the serving gateway (SGW) and a base station (eNodeB).

Abstract: A method for a mobility management entity (MME) is disclosed. In some embodiments the method includes: establishing a UE context for a UE; selecting a back-up MME for holding a duplicate context of the user entity; informing a SGW of the selected back-up MME; and transmitting a the duplicate context to the selected back-up MME.

Abstract: The present invention relates to a solution for handling mobility and attachment of users in a wireless communication network (10). User equipment (1) is connected logically to an attachment node (14) at initial attachment and this attachment is determined from an analysis of stored historical mobility patterns of the user equipment. For instance, a mobility management device may be responsible for handling the attachment and for handling the determination of suitable attachment node, e.g. a gateway (5, 7, 8).

Abstract: A method for a mobility management entity (MME) is disclosed. In some embodiments the method includes: establishing a UE context for a UE; selecting a back-up MME for holding a duplicate context of the user entity; informing a SGW of the selected back-up MME; and transmitting a the duplicate context to the selected back-up MME.

Abstract: The invention therefore relates to a method, a first Mobility Control Node and a second Mobility Control Node for context handling when a user equipment, UE, moves from a previous Access Network, AN, to a present AN. The ANs are adapted to communicate with a Core Network, CN, and the UE is adapted to communicate wirelessly with the AN's. The method comprises the steps of: the UE detecting that it has entered a Mobility Area, MA, belonging to the present AN, said MA not being registered with the CN, the UE initiating a Mobility Area Update, MAU, procedure in response to the detection by sending a MAU Request message comprising an UE Temporary ID to a Radio Access Node, RAN, the RAN adding a Mobility Area Identity, MAI, to the Request message and forwarding the message to a first Mobility Control Node, MCN, responsible for the present AN, the first MCN deriving one second MCN from the UE Temporary ID and sending a context request message to said second MCN.

Abstract: A serving gateway node (SGW) and a method therefore is being provided being adapted for operating in a network in which a control-plane tunnel between a mobility manage-men! entity (MME) and a serving gateway node (SGW), a control plane tunnel between the serving gateway node (SGW) and a packet gateway node (PGW), and one or more user plane tunnels between the serving gateway node (SGW) and the packet gateway node (PGW), may be set up, the serving gateway (SGW) comprising an application layer control mechanism (APL LR CTRL), interface means, (!F) and a data base (DB). The serving gateway (SGW) is adapted for entering a state of ECM-IDLE (108) and ECM-CONNECTED (110) for a user entity (UE) in question. The serving gateway upon reception of a Modify Bearer Request message (107) may effectuate a setting up one or more user plane tunnels between the serving gateway (SGW) and a base station (eNodeB).

Abstract: A node (115, 210) for a mobile network (100), arranged to forward control plane signaling to and from an end user (140, 216) in the system (100) to other nodes in the system (100) and also being arranged to keep track of a state of the end user (140, 216). The node (115, 210) is arranged to use a so called VRRP protocol, Virtual Router Redundancy Protocol to monitor the function of a second node (120, 212) in the system, a so called “peer node” to the node (115, 210) itself and to have its own function be monitored by a VRRP of the peer node (120, 212). The node (115, 210) is also arranged to use a second protocol for transferring information on a state of the end user (140, 216) to the peer node. A node (120, 212) for receiving such information is also disclosed.

Abstract: The present invention relates to a packet data support node (201) with a serving functionality and supporting over at least a first radio access network. It comprises mobility handling means and session handling means. It further comprises detecting means, in communication with said mobility handling means and with said session handling means, which are adapted to detect or establish initiation of a handover of a mobile station from the first or source radio access network. The session handling means are adapted to keep information about support for a direct tunneling functionality between the gateway packet data support node and the first radio access network. The detecting means are adapted to, upon detecting initiation of an HO from a first mode supporting direct tunneling (10) activate initiation of a reset of the direct tunnel and set up of two tunnel tunnels (10A, 10B) replacing said direct tunnel (10), each having a respective end point in the packet data support node.

Abstract: The invention regards a handover method for a data packet based wireless mobile communications network. The network comprises a core network (CN) and a radio area network (RAN). The core network (CN) comprises a control plane node (MME) intercommunicating with a user plane node (UPE). The radio area network comprises a mobile user equipment (UE) intercommunicating with a source radio base transceiver station, eNOdeB, (source eNodeB), wherein payload data is routed via a tunnel between the user plane node (UPE) and the source eNodeB (source eNodeB), wherein the handover comprises the step of establishing a temporary tunnel between the user plane node (UPE) and a target eNodeB (target eNodeB), the handover being initiated by the target eNodeB (target eNodeB) transmitting an unreliable uplink data signal to the user plane node (UPE) comprising handover information.

Abstract: The present invention relates to a packet data support node (10A) in a core network and connectable to at least one radio access network over a radio network control node. The packet data support node (10A) comprises duplicating means (12A) for duplicating original downlink data packets intended for a mobile station for which a hand-over is performed from the packet data support node acting as source node to a packet data support node acting as target node, control means (HA) for activating sending of the duplicated data packets to the packet data support node acting as a target node for forwarding to the mobile station such that the original downlink data packets are sent to the mobile station over a source radio access node from the source packet data node (10A). The duplicated data packets are sent to the mobile station over a target radio access node from the packet data source node acting as target node.

Abstract: The present invention relates to a solution for handling mobility and attachment of users in a wireless communication network (10). User equipment (1) is connected logically to an attachment node (14) at initial attachment and this attachment is determined from an analysis of stored historical mobility patterns of the user equipment. For instance, a mobility management device may be responsible for handling the attachment and for handling the determination of suitable attachment node, e.g. a gateway (5, 7, 8).

Abstract: The present invention relates to a solution for handling closed subscriber groups in a cell and in particular for supporting service continuity for a user when terminating membership of a user in the closed subscriber group in a controlled manner. The present invention is exemplified as a device and method for handling members of a closed subscriber group, i.e. CSG, comprising the steps of obtaining in a mobility management node (105, 300) a signal indicative of exclusion of a user in a closed subscriber group, i.e. CSG, transmitting a message, from the mobility management node to a radio access node (101, 102, 102?, 103, 103?), indicating handover from the cell supporting this CSG to another radio communication network node, receiving in the radio access node the message, and initiating a handover procedure in the radio access node.

Abstract: A packet data network gateway (PDN-GW) on a wireless telecommunications network having a target radio access network (RAN) and a Serving (GW) includes a process-unit which generates an end marker packet The PDN-GW includes a network interface which sends the end marker packet onto the network to assist the target RAN in reordering of downlink data. A method for a packet data network gateway (PDN-GW) on a wireless telecommunications network having a target radio access network (RAN) and a Serving (GW) includes the steps of generating an end marker packet with a processing unit. There is the step of sending the end marker packet onto the network with a network interface to assist the target RAN in reordering of downlink data.

Abstract: The invention therefore relates to a method, a first Mobility Control Node and a second Mobility Control Node for context handling when a user equipment, UE, moves from a previous Access Network, AN, to a present AN. The ANs are adapted to communicate with a Core Network, CN, and the UE is adapted to communicate wirelessly with the AN's. The method comprises the steps of: the UE detecting that it has entered a Mobility Area, MA, belonging to the present AN, said MA not being registered with the CN, the UE initiating a Mobility Area Update, MAU, procedure in response to the detection by sending a MAU Request message comprising an UE Temporary ID to a Radio Access Node, RAN, the RAN adding a Mobility Area Identity, MAI, to the Request message and forwarding the message to a first Mobility Control Node, MCN, responsible for the present AN, the first MCN deriving one second MCN from the UE Temporary ID and sending a context request message to said second MCN.

Abstract: The present invention relates to a packet data support node (10A) in a core network and connectable to at least one radio access network over a radio network control node. The packet data support node (10A) comprises duplicating means (12A) for duplicating original downlink data packets intended for a mobile station for which a hand-over is performed from the packet data support node acting as source node to a packet data support node acting as target node, control means (HA) for activating sending of the duplicated data packets to the packet data support node acting as a target node for forwarding to the mobile station such that the original downlink data packets are sent to the mobile station over a source radio access node from the source packet data node (10A). The duplicated data packets are sent to the mobile station over a target radio access node from the packet data source node acting as target node.

Abstract: The invention regards a handover method for a data packet based wireless mobile communications network. The network comprises a core network (CN) and a radio area network (RAN). The core network (CN) comprises a control plane node (MME) intercommunicating with a user plane node (UPE). The radio area network comprises a mobile user equipment (UE) intercommunicating with a source radio base transceiver station, eNOdeB, (source eNodeB), wherein payload data is routed via a tunnel between the user plane node (UPE) and the source eNodeB (source eNodeB), wherein the handover comprises the step of establishing a temporary tunnel between the user plane node (UPE) and a target eNodeB (target eNodeB), the handover being initiated by the target eNodeB (target eNodeB) transmitting an unreliable uplink data signal to the user plane node (UPE) comprising handover information.

Abstract: The present invention relates to a packet data support node (201) with a serving functionality and supporting over at least a first radio access network. It comprises mobility handling means and session handling means. It further comprises detecting means, in communication with said mobility handling means and with said session handling means, which are adapted to detect or establish initiation of a handover of a mobile station from the first or source radio access network. The session handling means are adapted to keep information about support for a direct tunneling functionality between the gateway packet data support node and the first radio access network. The detecting means are adapted to, upon detecting initiation of an HO from a first mode supporting direct tunneling (10) activate initiation of a reset of the direct tunnel and set up of two tunnel tunnels (10A, 10B) replacing said direct tunnel (10), each having a respective end point in the packet data support node.

Abstract: The present invention relates to a system for providing a core network node with location related information about one or more mobile user stations accessing the core network over an access network. It comprises a number of radio access network nodes (RNC; BSC) a number of first network nodes or core network nodes serving communication of data (SGSN1, SGSN2), a number of second core network nodes comprising gateway core network nodes (GGSN) acting as gateways to external or third party controlled data communication networks and/or service providers. Location related information of one or more mobile user stations obtained from the radio network access nodes is provided from a first network node or core network node to a second core network node. Said location related information is provided in one or more dedicated information elements added to existing communication of messages between said first core network node and said second core network node.