Abstract: The present invention relates to a method and system of transmissions and retransmissions of packet data in a communications system, where the communications system uses switched channels, switching between rates or channels of different characteristics, and connection control and management in such a system. Particularly, the invention relates to radio resource management in a Universal Mobile Telecommunications System, UMTS, or WCDMA system allowing for use of compatible protocols for non-switched and switched channels.

Abstract: For transmitting data between a node (100) of a mobile network and a further node (200), the further node sends downlink data packets to the node (100) of the mobile network. The downlink data packets carry a destination address corresponding to a user equipment (10) connected to the mobile network. For implementing an inband data channel between the node (100) of the mobile network and the further node (200), the further node (200) inserts data destined to the node (100) of the mobile network into at least one of the downlink data packets and marks this downlink data packet as including data destined to the node (100) of the mobile network. The node (100) of the mobile network receives the downlink data packets from the further node (200) and identities, on the basis of the marking, the least one downlink data packet including data destined to the node (100) of the mobile network. The node (100) of the mobile network then extracts the data from the identified downlink data packet.

Abstract: A method is described for associating a data packet (DP) with a packet bearer (PB) in a user equipment (UE1) of a communication network. The data packet is sent in a data flow from an application function of the user equipment, the packet bearer (PB) is established with the user equipment to transmit the data packet (DP) over the communication network towards a further entity, and the user equipment is adapted to establish different packet bearers.

Abstract: Data traffic between a user at a user equipment and a network resource is preceded by a lookup procedure for obtaining a network address of the network resource. A message of the lookup procedure is processed depending on a class of users to which the user belongs. If the user belongs to a first class of users, the message of the lookup procedure is processed for adapting the lookup procedure to return a first network address of a replacement network resource capable of handling the data traffic. If the user belongs to a second class of users, the message of the lookup procedure is processed for adapting the lookup procedure to return a second network address of a replacement network resource capable of handling the data traffic.

Abstract: A method of controlling a radio access network entity of a data unit communication network is described, said radio access network entity being involved in providing a transport service to a radio terminal of said data unit communication network, said transport service being characterized by a set of values associated with respective service quality parameters, said method comprising: monitoring (S30) a communication quality at the radio access level of a communication between said terminal and an access point of said radio access network, and setting (S31) a congestion indication marking in data units of said transport service if said communication quality fulfills a radio communication degradation condition.

Abstract: A communication system includes a user equipment (UE) 10 and a gateway 26. The UE (10) sends data packets on one or more bearers (52, 54) to the gateway 26. One or more packet filters (62, 64) are installed in the UE (10) for associating the data packets with the bearers (52, 54). A decision is performed if installation of a new packet filter (62, 64) in the UE (10) is required to map the data packets of indicated data traffic to a particular bearer (52, 54). The result of the decision may then be indicated from a policy controller (30) to a gateway (26) and/or from the gateway (26) to the UE (10). Depending on the result of the decision, the gateway may initiate signaling of the new packet filter (62, 64) to the UE (10) and/or the UE (10) may install the new packet filter (62, 64).

Abstract: For controlling data traffic in a mobile network a first detector (110), a first controller (160), a second detector (120), and a second controller (170) are provided. The first detector (110) detects data traffic of a certain type. The first controller (160) determines a dedicated bearer (54) for transmission of the detected data traffic. The second detector (120) detects a packet flow in the data traffic. The second controller (170) takes a decision whether the detected packet flow can be admitted to the dedicated bearer (54). The decision is taken on the basis of traffic load information (135), e.g., as determined by a load monitor (130). The second detector (120) further marks data packets of the detected packet flow according to the decision.

Abstract: A communication system includes a user equipment (UE) and a gateway. The UE sends data packets on one or more bearers to the gateway. One or more packet filters are installed in the UE for associating the data packets with the bearers. A decision is performed if installation of a new packet filter in the UE is required to map the data packets of indicated data traffic to a particular bearer. The result of the decision may then be indicated from a policy controller to a gateway and/or from the gateway to the UE. Depending on the result of the decision, the gateway may initiate signaling of the new packet filter to the UE and/or the UE may install the new packet filter.

Abstract: In a mobile communication network, the data traffic is mapped to a number of bearers (52, 54) between a terminal (10) and a gateway (26). Upon a triggering event, data packets of a specific type, which are to be monitored, are assigned to a monitoring bearer (54), which is dedicated for performance monitoring purposes. The monitoring bearer (54) and a transport bearer for carrying data packets of said specific type between a non-monitored terminal and the gateway (26) have the same traffic forwarding policy. Data packets may then be filtered from the monitoring bearer (54) at a desired node between the terminal (10) and the gateway (26), and a performance parameter may be evaluated on the basis of the filtered data packets.

Abstract: The present invention relates to a method for policy control carried out by a node including a policy and charging rules function and a method for bearer control carried out by a node including a bearer binding function as well as to a server configured for implementing a policy and charging rules function and a server configured for implementing a bearer binding function, to a system including these servers and functions, and to computer programs comprising instructions configured, when executed on a server, to cause the server to carry out policy control or bearer control.

Abstract: It is proposed to modify data unit handling on the side of a sender (e.g. a sending end-point or a proxy) by introducing congestion notification prevention information into data units, such that a queue buffer that implements a procedure for performing congestion notification with respect to one or more queued data units (e.g. dropping and/or marking data units with explicit congestion information) is capable of preventing the performance of a congestion notification at least with respect to the data units containing the congestion notification prevention information.

Abstract: Various embodiments relate to a policy controller (30) of a communications network comprising a processing unit being configured to select a congestion signalling policy for data traffic of a user equipment connected to the communications network. The policy controller (30) is configured to send the congestion signalling policy to a node (26) of the communications network. The congestion signalling policy includes instructions for the node (26) when to signal congestion.

Abstract: There is provided a serving node S) comprising processing means (CTRL_U1; MEM—1) and an interface unit (INT_U1) and a method for such a serving node, the serving node being adapted for participating in a network requested secondary PDP context activation procedure, the processing means being adapted for: —receiving (91) an initiate PDP context activation request signal from a gateway node (G). The serving node is also adapted for—determining (92A) whether the user entity supports network requested dedicated bearers; and if not the case; —without engaging in signalling with the user entity, transmitting (93) an initiate PDP context activation response signal indicating the network requested secondary PDP context activation has been accepted; and—transmitting (95) a create PDP context request signal to the gateway node.

Abstract: A communication system includes a user equipment (UE) and a gateway. The UE sends data packets on one or more bearers to the gateway. One or more packet filters are installed in the UE for associating the data packets with the bearers. A decision is performed if installation of a new packet filter in the UE is required to map the data packets of indicated data traffic to a particular bearer. The result of the decision may then be indicated from a policy controller to a gateway and/or from the gateway to the UE. Depending on the result of the decision, the gateway may initiate signaling of the new packet filter to the UE and/or the UE may install the new packet filter.

Abstract: The present invention relates to a partitioning entity and a method for partitioning capacity in a communication network to avoid starvation of certain data traffic and to support services with different characteristics. The method of partitioning capacity comprises assigning communication links to a group associated with a time-varying group capacity to form a group of communication links. The group comprises a first sub-group and at least a second sub-group of communication links. Further, the method comprises allocating a non-zero fraction of the time-varying group capacity to the first sub-group of communication links of the group.

Abstract: New methods and devices for implementing an ARQ mechanism over a multi-hop connection (sender-relay-receiver) are proposed. A communication protocol is described in accordance with which data units are arranged in a sequence and each sent data unit is identifiable by a sequence position identifier. The sender implements a sending peer, the relay a relay peer and the receiver a receiving peer. Feedback messages are exchanged, which using said sequence position identifiers, carry information on a receipt of sent data units. The communication protocol provides for at least a first type and a second type of receipt information, the first type (RACK) of receipt information being indicative of a correct receipt of a data unit at a relay peer of said communication protocol, and the second type (ACK) of receipt information being indicative of a correct receipt of a data unit at a final destination peer of said communication protocol.

Abstract: The present invention relates to a partitioning entity and a method for partitioning capacity in a communication network to avoid starvation of certain data traffic and to support services with different characteristics. The method of partitioning capacity comprises assigning communication links to a group associated with a time-varying group capacity to form a group of communication links. The group comprises a first sub-group and at least a second sub-group of communication links. Further, the method comprises allocating a non-zero fraction of the time-varying group capacity to the first sub-group of communication links of the group.

Abstract: The invention relates to a content delivery entity (100) configured to deliver a first data traffic from a first Internet content provider (310) to a mobile user equipment (200) via an access network of a mobile communications network. The entity (100) comprises an interface (113) configured to detect the first data traffic that shall be treated with priority. An acceleration unit (120) is configured to accelerate the delivery of the first data traffic from the first Internet content provider to the content delivery entity, and a controller (110) is configured to forward the first data traffic from the first Internet content provider (310) to the mobile user equipment (200) in the access network in such a way that the first data traffic from the first Internet content provider (310) is routed to the mobile user equipment (200) in the access network with a priority different from that of a second data traffic that is delivered from a second Internet content provider (330, 390) through the access network.

Abstract: The present invention relates to a first node and a second node in a mobile telecommunication network. The network comprises a first node, a second node and a third node, wherein the first node is connectable to the second node and the second node is connectable to the first node and to the third node and the third node is connectable to the second node. A system function is realized by the execution of a master-process implemented in the first node and a slave-process implemented in the third node, wherein the execution of the master-process realizes a control function associated with the system function. The master-process of the first node is adapted to temporarily delegate the responsibility to realize the control function to a master-proxy-process implemented in the second node and the master-proxy-process implemented in the second node is adapted to take over the responsibility to realize the control function from the master-process of the first node.

Abstract: For enabling differentiated handling of mobile network data traffic between a UE (410) and a network resource, a network address lookup procedure is adapted on the basis of mobile access information related to a connection between the UE (410) and a mobile network. The mobile access information may be obtained from authentication traffic (502, 503, 504, 505) in the mobile network and be provided to a node (560) performing the adaptation by modifying a message (508) of the lookup procedure. On the basis of the mobile access information, the adaptation may cause the lookup procedure to return a network address of a replacement network resource capable of handling the data traffic. The network address of the replacement network resource (60) matches a packet filter for directing the data traffic to a bearer established between the UE (410) and the mobile network.