Abstract: According to an aspect, there is provided a method of operating a first radio access node in a communication network, the method comprising determining whether a first base key that is used to determine a first encryption key for encrypting communications between a communication device and the first radio access node can be used by a second radio access node for determining a second encryption key for encrypting communications between the communication device and the second radio access node; and if the first base key can be used by the second radio access node, sending the first base key to the second radio access node during handover of the communication device from the first radio access node to the second radio access node.

Abstract: Mechanisms are provided to enable the identification of a UE in both the cellular network (e.g., a 3GPP network) and the WLAN. In some aspects, the UE is provided with information enabling it to find the transport network layer, TNL, address (e.g., an IP address) of the WT and an identifier of the UE. Using the TNL of the WT, the UE can establish a connection towards the WT (either connectionless or connection oriented) and provide the UE identity. The WT and eNodeB exchange information about the UE ID, and the UE is identified in both the 3GPP network and the WLAN. The WT is a logical node and may be integrated in the eNodeB, in a WLAN node (e.g. access controller, access point), standalone or somewhere else. Once identified, user data can be sent to the UE via the WT.

Abstract: A procedure is disclosed where a user equipment (UE) 10 can share information (with e.g. radio access network (RAN) nodes 20, 30) about its cell mobility attempts (e.g. redirection successes/failures). This information can subsequently be utilized by the various RAN nodes 20, 30 when making subsequent, i.e. future, cell mobility decisions. Hereby it is made possible to improve cell mobility decisions, such as redirection or handover, by the various RAN nodes 20, 30.

Abstract: A method for evaluating a connection between a first network node and a User Equipment, UE, via a second cell. The first network node serves a first cell. A sending of a first message is initiated. The first message is sent from the first network node to the UE via the second cell. The first message comprises a trigger for the UE to respond by sending a second message comprising feedback relating to the connection to the second cell. A time value difference between the sending of said first message and receiving of said second message in the first network node is obtained. The second message comprises the feedback relating to the connection sent from the UE in response to the first message. Then it is evaluated how the connection shall be used based on the obtained time value difference and the received feedback.

Abstract: A method in a radio network node for selecting a second SCell of a wireless device. The radio network node sends (201) data to a network node, upon a request to release the wireless device from a first connected state, in which the wireless device is connected to a first PCell and configured with a first SCell. The data indicates the first PCell and the first SCell. The radio network node retrieves (202) the sent data when the wireless device enters a second connected state. Then, the wireless device is connected to a second PCell. The radio network node compares (203) the second PCell with the first PCell and the first SCell. When the second PCell is the same as one of the first PCell and the first SCell, the radio network node selects (204) as the second SCell the other of the first SCell and the first PCell.

Abstract: A method in a legacy access node for selecting a suitable RAN, of a plurality of RANs for a LTE UE, capable of both PS and CS sessions in a global communication network. The method comprises connecting the UE to a legacy RAN via a radio interface module and then establishing a PS session with the connected UE. The bandwidth that the UE currently is consuming is monitored and compared with a predefined bandwidth threshold. If the consumed bandwidth exceeds the predefined bandwidth threshold an attempt will be made to trigger transferring of the UE from the current legacy RAN to the LTE RAN. A corresponding method is disclosed in a eNodeB where the attempt to trigger transferring of the UE from the LTE RAN to the legacy RAN is made if the consumed bandwidth falls below the predefined threshold. Related legacy access nodes and eNodeBs perform the methods.

Abstract: The present disclosure relates to a method in a radio access controller in a first radio access network for providing access control in a wireless network comprising the first radio access network arranged to operate according to a first radio access technology and a second radio access network arranged to operate according to a second radio access technology. The method comprises the steps of receiving an access request (Si3, Si4) originating from a wireless device, said access request comprising wireless device related information including information related to a global cell identity; assessing (P4) the access request based on the received wireless device related information, a throughput related value for the first radio access technology and a throughput related value for the second radio access technology, and responding (Si5, Si6) to the access request based on the assessment.

Abstract: A method in a network node for handling evaluation of a secondary cell for a wireless device. The method comprises establishing a first level of coverage of the secondary cell, based on a first measurement report received from the wireless device, which first measurement report relates to a quality of a signal of the secondary cell. The method further comprises determining an evaluation frequency, based on the established first level of coverage of the secondary cell, which evaluation frequency relates to how frequently a level of coverage of the secondary cell shall be evaluated. The method further comprises sending a configuration to the wireless device, which configuration relates to an evaluation of a second level of coverage of the secondary cell, and which configuration is based on the determined evaluation frequency.

Abstract: The present disclosure presents a method and a network entity for load contribution distribution in a wireless communication system supporting component carrier communication. The network entity serves a first cell of a wireless communication system. The method comprises receiving (61) information on one or more secondary cell usages of the first cell, wherein a secondary cell usage represents a secondary component carrier load of a wireless device connected to a primary cell of one or more further cells which are different from the first cell. The information on primary cell usage and the one or more secondary cell usage for the first cell is compiled (62) in the network entity. The method further comprises identifying (63) the respective primary cell for each secondary cell usage. Finally it comprises sending (64) secondary cell usage information to a respective network entity serving the identified respective primary cell for each secondary cell usage.

Abstract: Methods and arrangements for handling shortcomings when a wireless user terminal (200), currently using a first connection (2:1) with a first network node (202), is redirected to a second connection in a release-with-redirect process. The connection first network node sends a first redirect message (2:2) to the terminal with an instruction to attach to the second connection. The terminal then sends a message (2:5) to the first network node which comprises a failure indication indicating that the terminal has made a failed attempt (2:3) to attach to the second connection. The first network node then identifies (2:6) a cause for the failed attempt by using the failure indication. The first network node also performs at least one of: sending (2:7) a second redirect message to the terminal based on the identified cause, and providing (2:9) the identified cause to a network management function, to enable adaptation of the release-with-redirect process.

Abstract: The present disclosure concerns movements, such as handovers, of user equipments (UEs) 120a-e from one radio cell 130a to another radio cell 130b. Disclosed herein are methods as well radio network nodes 110a, 110b. A radio network node 110a, 110b may, for example, select the most suitable UE(s) 20a-e to move from a source radio cell 130a to a target radio cell 130b in case the traffic load in the source radio cell 130a is below or equal to the traffic load of the target radio cell 130b. Hereby it is made possible to improve the resource utilization.

Abstract: A procedure is disclosed where a user equipment (UE) 10 can share information (with e.g. radio access network (RAN) nodes 20, 30) about its cell mobility attempts (e.g. redirection successes/failures). This information can subsequently be utilized by the various RAN nodes 20, 30 when making subsequent, i.e. future, cell mobility decisions. Hereby it is made possible to improve cell mobility decisions, such as redirection or handover, by the various RAN nodes 20, 30.

Abstract: A method and network node (400) for supporting evaluation of performance of a radio network. The network node employs carrier aggregation with multiple carriers used in corresponding multiple cells (Cell 1, Cell2, Cell 3). The network node retrieves (4:1) statistical information regarding utilization of radio resources, wherein the statistical information indicates secondary cell use of radio resources in a particular cell. The network node reports (4:5) the statistical information to an Operation and Maintenance, O&M, node (404), thereby enabling the O&M node to use the statistical information for evaluating (4:6) how a measured performance of the radio network is related to secondary cell usage.

Abstract: A method and network node (400) for supporting evaluation of usage of a radio network feature in radio communication between wireless devices (402) and the network node. The network node (400) retrieves (4:1) statistical information regarding the usage of the radio network feature, and reports (4:5) the statistical information to an Operation and Maintenance, O&M, node (404). The O&M node then uses (4:6) the statistical information for evaluating how measured performance (4:3) of the radio network is related to the usage of the radio network feature.

Abstract: A base station generates and sends measurement configuration to a wireless terminal. The measurement configuration indicates the measurements to be made by the wireless terminals and to report on the performed measurements to the base station. The measurement configuration indicates that the measurements are to be performed and to be reported based on a prioritization level. The prioritization can be indicated at various levels including the measurement identities level, the measurement objects level, and the reporting configurations level.

Abstract: Systems and methods for Secondary Cell (sCell) selection for wireless devices operating according to a carrier aggregation scheme in a cellular communications network are disclosed. More specifically, in some embodiments, a statistics-assisted sCell selection process is utilized for sCell selection. This statistics-assisted sCell selection process improves the efficiency of sCell selection, particularly where there are multiple candidate sCells on multiple carrier frequencies.

Abstract: A method in a first network node for handling a GBR bearer is provided. The first network node is comprised in a communications system. The first network node allocates (202) to a user equipment, a GBR bearer for a data transmission. A first timer in the first network node is started (203), when scheduling data for the data transmission on the GBR bearer is interrupted. The first network node releases (204) the GBR bearer, when the first timer has expired, when there is a request for a bearer from a second network node, and when there are no further bearer resources available within the first radio network node.

Abstract: A method in a first network node for handling a GBR bearer is provided. The first network node is comprised in a communications system. The first network node allocates (202) to a user equipment, a GBR bearer for a data transmission. A first timer in the first network node is started (203), when scheduling data for the data transmission on the GBR bearer is interrupted. The first network node releases (204) the GBR bearer, when the first timer has expired, when there is a request for a bearer from a second network node, and when there are no further bearer resources available within the first radio network node.

Abstract: A method in a legacy access node for selecting a suitable RAN, of a plurality of RANs for a LTE UE, capable of both PS and CS sessions in a global communication network. The method comprises connecting the UE to a legacy RAN via a radio interface module and then establishing a PS session with the connected UE. The bandwidth that the UE currently is consuming is monitored and compared with a predefined bandwidth threshold. If the consumed bandwidth exceeds the predefined bandwidth threshold an attempt will be made to trigger transferring of the UE from the current legacy RAN to the LTE RAN. A corresponding method is disclosed in a eNodeB where the attempt to trigger transferring of the UE from the LTE RAN to the legacy RAN is made if the consumed bandwidth falls below the predefined threshold. Related legacy access nodes and eNodeBs perform the methods.

Abstract: Methods and arrangements for handling shortcomings when a wireless user terminal (200), currently using a first connection (2:1) with a first network node (202), is redirected to a second connection in a release-with-redirect process. The connection first network node sends a first redirect message (2:2) to the terminal with an instruction to attach to the second connection. The terminal then sends a message (2:5) to the first network node which comprises a failure indication indicating that the terminal has made a failed attempt (2:3) to attach to the second connection. The first network node then identifies (2:6) a cause for the failed attempt by using the failure indication. The first network node also performs at least one of: sending (2:7) a second redirect message to the terminal based on the identified cause, and providing (2:9) the identified cause to a network management function, to enable adaptation of the release-with-redirect process.