Abstract: In an embodiment, a method is provided for overload control for Trusted WLAN access to EPC, comprising: when rejecting a request for an UE in single connection mode (SCM) for an authenticated and authorized user, the network signalling a back-off time to the UE for the requested APN when congestion control is active for the APN, upon reception of the back-off time, the UE not initiating new request for the congested APN, for the duration of the back-off time.

Abstract: An embodiment of the invention is a User Equipment UE, configured to: get ePDG selection information configured by the UE's HPLMN, said ePDG selection information including a list of PLMNs with an indication of whether the selection of an ePDG in a PLMN is preferred or mandatory or non-preferred, perform selection of an ePDG operated by a PLMN of a country the UE is located in, referred to as local PLMN, which has roaming agreement with the UE's HPLMN for untrusted WLAN access to EPC, based on said list of PLMNs configured in said ePDG selection information, and on a list of MCCs of said country and/or a list of local PLMNs.

Abstract: An embodiment of the invention is a User Equipment UE, configured to: get ePDG selection information configured by the UE's HPLMN, said ePDG selection information including a list of PLMNs with an indication of whether the selection of an ePDG in a PLMN is preferred or mandatory or non-preferred, perform selection of an ePDG operated by a PLMN of a country the UE is located in, referred to as local PLMN, which has roaming agreement with the UE's HPLMN for untrusted WLAN access to EPC, based on said list of PLMNs configured in said ePDG selection information, and on a list of MCCs of said country and/or a list of local PLMNs.

Abstract: A UE activates a PS Data Off service to block downlink and uplink services except the exempted services determined by the HPLMN. To activate PS Data Off, the UE sends an indication to the MME or SGSN, or additionally to a S-CSCF or an IMS network. The UE may receive a confirmation of the PS Data Off activation and/or a list of exempt services. The MME may contact the HSS to notify about the activation of the PS Data Off and receive indication of support of the service or list of exempted services and send the indication and/or packet filtering per PDN to PDN GW(s). The PDN GW may contact a PCRF to get policy rules. The HSS may provide a list of exempt services to the S-CSCF.

Abstract: The method includes sending a request to a core network entity to register the radio access network entity with the core network entity for at least one tracking area, the core network entity being in charge of mobility management and/or paging coordination in a cellular mobile communication network. The method further includes receiving a notification of an acceptation or a rejection of said request that indicates if the core network entity has accepted the registration. The radio access network entity is configured to perform the method. The core network entity is configured to interface with the radio access network entity to perform the method.

Abstract: An embodiment is a method for bearer offload from a RAN node referred to as Master RAN node such as Master eNB (MeNB) for E-UTRAN, to a RAN node referred to as Secondary RAN node such as Secondary eNB (SeNB) for E-UTRAN, in dual connectivity operation, wherein before the offload the bearer is or had been handled by the Master RAN node and involves a Local Gateway LGW collocated with the Master RAN node, the method including providing that after the offload the bearer is handled by the Secondary RAN node and involves the Local Gateway LGW collocated with the Master RAN node.

Abstract: In one aspect, there is provided a method for the management of Short Message SM delivery in a mobile communication system comprising an Overlaying, e.g. IP-based or CS fallback in Evolved Packet System based, SM delivery network accessed via a mobile or fixed Access Network AN which is transparent to the Overlaying SM Delivery procedure, said method comprising, in an embodiment: informing an AN entity capable of detecting User Equipment UE activity over said AN, of unsuccessful SM delivery attempt due to not reachable UE, upon detection of UE activity over said AN for said UE, said AN entity informing an entity in charge of requesting new SM delivery attempt when said UE is again reachable.

Abstract: In an embodiment, there is provided a method for session transfer between Access Networks for a User Equipment UE, said method including insertion in a signaling path of a Service Continuity Application Server anchoring said session in IMS, said method including: insertion of a Service Continuity Application Server V-SCC-AS located in a Visited PLMN V-PLMN for a UE roaming in said V-PLMN.

Abstract: One object of the present invention is a method for for configuring a cellular mobile communication network with Tracking Areas, comprising: a step of configuring a Radio Access Network entity, with at least one Tracking Area it is to be associated with, a step of registering a thus configured Radio Access Network entity onto a Mobility Management function and/or Paging Coordination function, for said at least one Tracking Area.

Abstract: An embodiment of the invention is a User Equipment UE, configured to: get ePDG selection information configured by the UE's HPLMN, said ePDG selection information including a list of PLMNs with an indication of whether the selection of an ePDG in a PLMN is preferred or mandatory or non-preferred, perform selection of an ePDG operated by a PLMN of a country the UE is located in, referred to as local PLMN, which has roaming agreement with the UE's HPLMN for untrusted WLAN access to EPC, based on said list of PLMNs configured in said ePDG selection information, and on a list of MCCs of said country and/or a list of local PLMNs.

Abstract: In an embodiment, a method for support of emergency services over WLAN access to 3GPP Evolved Packet Core EPC for unauthenticated Users includes, in response to a request to provide a user identity for access authentication, a User Equipment UE providing a specific NAI-based user identity having a realm part indicating unauthenticated access for emergency services. Also includes an authenticator, such as TWAN entity for Trusted WLAN access or ePDG for Untrusted WLAN access, routing a message from said UE, based on said realm part, towards a specific 3GPP AAA Server serving a domain dedicated to unauthenticated access for emergency services, the specific 3GPP AAA Server granting access to the UE, and providing specific authorization data that allow network access for emergency services to the UE.

Abstract: Embodiments of the invention include an entity, such as ePDG or TWAN entity, capable of serving a User Equipment for WLAN access to a Packet Core such as EPC of a mobile network, said entity configured to: provide at least one of: an indication whether IMEI checking is requested, an indication whether IMEI checking by a visited EIR or by a home EIR is requested, an indication of an action to be taken upon IMEI check result.

Abstract: In an embodiment, a Radio Access Network RAN entity, referred to as serving RAN entity, and controlling one or more cells, is configured to: send to a Core Network CN entity, referred to as serving CN entity, a list of recommended cells for paging of a User Equipment UE in idle mode.

Abstract: An embodiment is a method for handling PDN connections for a User Equipment UE in a mobile network, at network initiated reselection of a Core Network CN entity serving said UE, from a CN entity referred to as serving CN entity to a CN entity referred to as dedicated CN entity, such as CN entity in a dedicated Core Network, said method comprising:—deactivation, with reactivation requested, of those of said PDN connections for which a corresponding PDN Gateway PDN GW needs to be changed, while keeping alive those of said PDN connections for which a corresponding PDN Gateway PDN GW does not need to be changed.

Abstract: Embodiments of the present invention include a method for WLAN Access Network WLAN-AN selection by an User Equipment UE for access to a mobile network PLMN, said selection including, for an UE roaming in a Visited PLMN VPLMN and requiring a Packet Data Network Gateway PDN-GW in its Home PLMN HPLMN, selection of a WLAN-AN having connectivity to at least one PDN-GW in said HPLMN, based on information on connectivity to at least one PDN-GW in said HPLMN of WLAN-ANs candidate for said selection, referred to as connectivity information.

Abstract: An embodiment is a method for bearer offload from a RAN node referred to as Master RAN node such as Master eNB (MeNB) for E-UTRAN, to a RAN node referred to as Secondary RAN node such as Secondary eNB (SeNB) for E-UTRAN, in dual connectivity operation, wherein before the offload the bearer is or had been handled by the Master RAN node and involves a Local Gateway LGW collocated with the Master RAN node, the method including providing that after the offload the bearer is handled by the Secondary RAN node and involves the Local Gateway LGW collocated with the Master RAN node.

Abstract: A method for performing load balancing of data flows from selected user equipment (UE) devices, including receiving UE-group specific radio related parameters at a UE device associated with at least one UE group and having pre-assigned radio access network selection and radio traffic steering privileges, the parameters representing condition information indicative of operating conditions and including a UE group indication and associated UE group priority, determining, at the UE, whether to apply the UE-group specific parameters based on the UE group indication of the received parameters.

Abstract: In an embodiment, a method is provided for overload control for Trusted WLAN access to EPC, comprising: when rejecting a request for an UE in single connection mode (SCM) for an authenticated and authorized user, the network signalling a back-off time to the UE for the requested APN when congestion control is active for the APN, upon reception of the back-off time, the UE not initiating new request for the congested APN, for the duration of the back-off time.

Abstract: A method for Mobility Management MM in a system architecture supporting mobility between different access systems having separate Core Network CN-level MM entities while using common MM Area, the method comprising a step of: when a User Equipment UE leaves the coverage of a first one of the access systems where it is in a Non Radio Connected state as seen from Radio Access Network RAN, but seen in Connected State from CN-level MM entity, for the coverage of a second one of the access systems where it is in Idle state as seen from CN-level MM entity, putting the UE into Idle state as seen from CN-level MM entity of said first access system.

Abstract: In an embodiment, a method is provided for support of Quality of Service QoS control in a mobile communication system wherein an User Equipment has access to a mobile network providing Packet Data Network (PDN) connectivity services, said mobile network including a 3GPP Core Network (CN) accessed by a trusted non-3GPP Access Network (TNAN) via an interface between an Access Network Gateway (AN-GW) in said Trusted non-3GPP Access Network (TNAN) and a PDN Gateway PDN-GW in said 3GPP CN, said method including support of 3GPP CN-initiated QoS control, for uplink traffic from said UE, based on QoS control information received by said UE, said QoS control information allowing the UE to associate uplink traffic flows sent by the UE via Access Network Gateway (AN-GW) towards a PDN Gateway PDN-GW with TNAN connectivity QoS for uplink traffic.