Method, device and controller for removing link between radio network controller and core network

Abstract

The invention provides a wireless network controller, a method and a device for removing links in a core network, and a wireless network controller. The method comprises the steps of receiving an Iu connection release order issued by a core network, wherein the Iu connection release order contains a self-defining value as a cause value thereof; and removing the Iu connection inside the core network according to the Iu connection release order. According to the technical scheme of the invention, the Iu connection inside the core network can be removed only upon receiving the Iu connection release order issued by the core network, wherein the Iu connection release order contains a self-defined cause value. Therefore, the states of users on the wireless network side and the core network side are kept consistent. Meanwhile, the failed re-calling problem after the call drop at the UTRAN side can be solved.

Description

technical field [0001] The invention relates to the field of wireless technology, in particular to a method and device for removing a link between a wireless network controller and a core network, and a wireless network controller. Background technique [0002] In the daily optimization work, a new unconnected fault was found: after the wireless connection was disconnected or the call was dropped due to strong interference, weak coverage, etc. CM ServiceReject (CM Service Rejection Signaling) is rejected by the core network. After collecting a large number of fault signaling, through in-depth analysis of the wireless network and core network protocol, the cause of the fault is preliminarily determined: UE (user equipment) has released the original wireless connection due to strong interference, weak coverage, etc., but the RNC ( Before the radio network controller) releases the call timer overtime, the RNC will not inform the core network (CN) of this information, so that t...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method, a device and a radio network controller for dismantling a link between a radio network controller and a core network, so as to solve the problems on the UTRAN (Universal Terrestrial Radio Access Network) side in the prior art. The problem that the call fails again after the call is dropped

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