Calling method of different accessing system
A technology for accessing the system and paging response, applied to electrical components, selection devices, wireless communications, etc., can solve the problems of low paging efficiency, achieve the effects of reduced signaling interaction, reduced changes, and good backward compatibility
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[0055] The present invention designs a paging method between different access systems, which is used to solve the paging method when UE in idle mode moves between UTRAN / GERAN and E-UTRAN.
[0056] In the paging method between different access systems of the present invention, the user plane gateway itself judges whether the UE is in the LTE-ACTIVE state, and at the same time, when the UE is in the non-LTE-ACTIVE state, the user plane gateway and the control plane gateway The signaling interaction enables the user plane gateway to distinguish whether the UE currently belongs to the PMM-CONNECTED State / GPRS-READY State or the PMM-IDLEState / GPRS-STANDBY State and LTE-ACTIVE State, so as to determine whether the UE is in the 3GPP equivalent connection state (3GPP Equivalent CONNECTED State) or 3GPP Equivalent IDLE State (3GPP Equivalent IDLE State), so that when the downlink data packet arrives at the UP-GW, a more effective paging method is adopted according to the UE state.
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