Paging method and device

Abstract

The invention discloses a paging method. The method comprises the following steps: a core network receives a wireless access network paging failure message from an anchor base station; the core network responds to the paging failure message of the wireless access network, reserves the context of the paged user equipment, notifies other base stations except the base station in the notification area where the anchor base station is located in the tracking area to execute core network paging, and does not notify the base station in the notification area where the anchor base station is located to perform core network paging; wherein the core network paging comprises sending a core network paging message for multiple times, the core network paging message comprises a core network identifier of the user equipment, the radio access network paging comprises sending a radio access network paging message for multiple times, and the radio access network paging message comprises an access network identifier of the user equipment. The invention also discloses a paging device. In this way, the signaling overhead and the processing overhead can be reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to a paging method and device. Background technique [0002] In the new radio (New Radio, NR), the user equipment (User Equipment, UE) has three states, radio resource control (Radio Resource Control, RRC) connected (RRC_CONNECTED) state, RRC inactive (RRC_INACTIVE) state and RRC idle ( RRC_IDLE) state. [0003] A UE in the RRC_INACTIVE state still has a core network (Core Network, CN)-radio access network (Radio Access Network, RAN) connection relationship, and a base station that maintains the CN-RAN connection relationship of the UE and stores the UE context (context) is called The anchor base station is responsible for configuring the notification area for the UE. At the same time, the core network regards the UE in the RRC_INACTIVE state as an Evolved Packet System (EPS) connection management (EPSConnection Management, ECM) connection state, which means that the core network conside...

AI Technical Summary

Problems solved by technology

[0007] The technical problem mainly solved by the present invention is to provide a paging method and device, which can solve the problem of significant increase in core network paging signaling overhead and processing overhead after paging failure in the radio access network in the prior art

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