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Disparate system switching method, device and system

A technology for inter-system handover and path handover, which is applied in the field of inter-system handover methods, devices, and systems, and can solve problems such as reduced handover success rate and increased handover delay

Active Publication Date: 2018-05-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that there are many signaling interactions between the radio access network control node and the core network node, resulting in increased handover delay and reduced handover success rate

Method used

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  • Disparate system switching method, device and system
  • Disparate system switching method, device and system
  • Disparate system switching method, device and system

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Embodiment Construction

[0116] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0117] Such as figure 2 As shown, a schematic diagram of a network architecture adopted in the embodiment of the present invention, wherein, SGSN is a core network node in GSM EDGE Radio Access Network (GSM / EDGE Radio Access Network, GERAN) or UTRAN, and MME is a core network node in LTE node, the base station subsystem (base station subsystem, BSS) is the access network control node in GERAN, the RNC is the access network control node in UTRAN, and the ENB i...

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Abstract

An embodiment of the invention provides a disparate system switching method, a device and a system, and relates to the technical field of communication. The disparate system switching method includesby a single wireless controller SRC, transforming safety parameters and bearing parameters of a source access network into safety parameters and bearing parameters of a target access network; by the SRC, sending a first switching command to a control node of the source access network so as to trigger the control node of the source access network to send a second switching command to a user terminal UE, wherein the second switching command is used for indicating the UE to switch from the source access network to the target access network, and the first switching command and the second switchingcommand include the safety parameters and the bearing parameters of the target access network; by the SRC, receiving switching completion information sent by the control node of the target access network.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a method, device and system for switching between different systems. Background technique [0002] At present, communication systems of different standards have their own wireless access network control nodes and core network nodes, such as figure 1 In the shown network architecture, for example, in the Universal Terrestrial Radio Access Network (UTRAN) communication system, the radio access network control node is a radio network controller (radio network control, RNC), and the RNC directly The connected core network node is a Serving GPRS SupportNode (SGSN), and for another example, in a Long Term Evolution (LTE) communication system, the radio access network control node is an evolved base station (Evolved Node B , ENB), and the core network node directly connected to the ENB is a mobility management entity (Mobility Management Entity, MME). Core network...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/14
CPCH04W36/144
Inventor 靳维生黄英黄敏秦钧陈璟邢平平陈燕燕
Owner HUAWEI TECH CO LTD