Patent ID: 9055418
Filing Date: 2015-06-09
Classification: H04L,H04W

Abstract:
1. A method for delivering data in a mobile communication system, method comprising: sending, by an originating User Equipment (UE), to an evolved Node-B (eNB) a service request message for requesting data sending in a process of setting up a Radio Resource Control (RRC) connection using a RRC connection complete message; sending, by the eNB, the received service request message to a Mobile Management Entity (MME) using an initial UE message; sending, by the MME, an initial context setup for signaling message that does not include information about data bearers, to the eNB in response to the initial UE message; upon receiving the initial context setup for signaling message, setting up, by the eNB, Access Stratum (AS) security with the originating UE; if the AS security is set up, performing, by the originating UE, a Non Access Stratum (NAS) security process with the MME; and upon completion of the NAS security process with the MME, transmitting, by the originating UE, the data to the MME using an uplink NAS transport message.