The present invention discloses method for transmitting downlink packet in function-separated core network. It is an object of the embodiments of the present disclosure to provide a method for transmitting a downlink packet for a UE in an idle mode which is capable of reducing a data transmission latency for a user and efficiently using network resources in a mobile communication system in which the control plane and the user plane of a gateway node are separated.

The present invention discloses method for transmitting downlink packet in function-separated core network. It is an object of the embodiments of the present disclosure to provide a method for transmitting a downlink packet for a UE in an idle mode which is capable of reducing a data transmission latency for a user and efficiently using network resources in a mobile communication system in which the control plane and the user plane of a gateway node are separated.

A user equipment device (UE) initiates the creation of a dedicated bearer between a local gateway (L-GW) and a packet data network gateway (P-GW). A GTP tunnel is established to connect the L-GW, a serving gateway (S-GW), and the P-GW. The L-GW and P-GW apply Network Address Translation (NAT) and/or Traffic Flow Template (TFT) to route the traffic between the LS and a Service Capacity Server/Application Server (SCS/AS). Alternatively, an SCS-initiates the bearer creation, and an SCEF manages the creation of the GTP tunnel connecting. The L-GW may be co-located with an Evolved UTRAN Node B (eNB) and/or connected to multiple eNBs which are not co-located with the L-GW.

A user equipment device (UE) initiates the creation of a dedicated bearer between a local gateway (L-GW) and a packet data network gateway (P-GW). A GTP tunnel is established to connect the L-GW, a serving gateway (S-GW), and the P-GW. The L-GW and P-GW apply Network Address Translation (NAT) and/or Traffic Flow Template (TFT) to route the traffic between the LS and a Service Capacity Server/Application Server (SCS/AS). Alternatively, an SCS-initiates the bearer creation, and an SCEF manages the creation of the GTP tunnel connecting. The L-GW may be co-located with an Evolved UTRAN Node B (eNB) and/or connected to multiple eNBs which are not co-located with the L-GW.

There are provided measures for improved service continuity with mobile edge computing. Such measures exemplarily comprise detecting a handover of a communication endpoint from a first gateway to a second gateway, determining, whether an ongoing mobile edge computing related application session of said communication endpoint is routed by said first gateway, checking, upon positive result of said determining, whether said ongoing mobile edge computing related application session fulfills a predetermined condition, and initiating, upon positive result of said checking, a swap of said ongoing mobile edge computing related application session from said first gateway and a first mobile edge computing entity connected to said first gateway to said second gateway and a second mobile edge computing entity connected to said second gateway.

There are provided measures for improved service continuity with mobile edge computing. Such measures exemplarily comprise detecting a handover of a communication endpoint from a first gateway to a second gateway, determining, whether an ongoing mobile edge computing related application session of said communication endpoint is routed by said first gateway, checking, upon positive result of said determining, whether said ongoing mobile edge computing related application session fulfills a predetermined condition, and initiating, upon positive result of said checking, a swap of said ongoing mobile edge computing related application session from said first gateway and a first mobile edge computing entity connected to said first gateway to said second gateway and a second mobile edge computing entity connected to said second gateway.

The present disclosure provides a method of sending an inter-base station message between a first and second base station in a cellular telecommunications network, wherein the inter-base station message is transmitted via a relay component, the method including the relay component receiving a first inter-base station message from a first base station, wherein the first inter-base station message includes: a first address portion identifying a second and third base station, and a first content portion; the relay component transmitting a second inter-base station message to the second base station, the second inter-base station message including: a second address portion identifying the second base station, and a second content portion; and the relay component transmitting a third inter-base station message to the third base station, the third inter-base station message including: a third address portion identifying the third base station, and a third content portion, wherein the second and third content portions include the first content portion.

The present disclosure provides a method of sending an inter-base station message between a first and second base station in a cellular telecommunications network, wherein the inter-base station message is transmitted via a relay component, the method including the relay component receiving a first inter-base station message from a first base station, wherein the first inter-base station message includes: a first address portion identifying a second and third base station, and a first content portion; the relay component transmitting a second inter-base station message to the second base station, the second inter-base station message including: a second address portion identifying the second base station, and a second content portion; and the relay component transmitting a third inter-base station message to the third base station, the third inter-base station message including: a third address portion identifying the third base station, and a third content portion, wherein the second and third content portions include the first content portion.

Apparatuses, methods, and systems for connecting a wireless device across multiple wireless networks are disclosed. One system includes a state machine and a router. The state machine operates to maintain a network availability of each of a plurality of wireless networks for a wireless device, wherein each of the plurality of wireless networks include network characteristics. The router operates to select a one of the plurality of wireless networks based on the network availability and the network characteristics as maintained by the state machine, process data packets according to the selected available wireless network based on the network characteristics of the selected available wireless network, and route the processed data packets to the wireless device through the selected one of the plurality of wireless networks.

A user equipment (UE) may transmit, using a first radio access technology (RAT), a service request message including information associated with at least one UE service. Based on the transmitted service request message, a message with information to setup a bearer for a second RAT, wherein the second RAT is a different RAT than the first RAT. The UE may receive multimedia data using the second RAT and simultaneously receive data using the first RAT.