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Cross-network handover method, network element and system

A cross-network and network element technology, applied in the field of communication, can solve the problem that the terminal cannot initiate cross-system handover

Active Publication Date: 2019-11-15
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current network capabilities and terminal capabilities belong to the Transparent Single-Connection mode (TransparentSingle-Connection mode), which is one of the connection modes defined after 3GPP R12 for cooperative networking between WLAN and LTE. However, at this stage, the terminal cannot Initiate a cross-system switch

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  • Cross-network handover method, network element and system
  • Cross-network handover method, network element and system
  • Cross-network handover method, network element and system

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Embodiment Construction

[0035] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0036] figure 1 A flowchart showing a cross-network handover method according to an embodiment of the present invention. Such as figure 1 As shown, the method mainly includes:

[0037] Step 100, the access network discovery and selection function ANDSF server sends a cross-network handover prompt to the ANDSF client of the user equipment UE according to a policy.

[0038]Step 102, the ANDSF server receives the handover instruction and user information from the UE.

[0039] Step 104, the ANDSF server sends a handover instruction to the target network according to the handover instruction and user information.

[0040] In step 106, the ANDSF server notifies the UE to perform cross-network handover so that the UE can handover to the target network.

[0041] In the cross-network handover method of...

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Abstract

The invention discloses an Internetwork switching method, an Internetwork switching system and a network element. The method comprises steps that an Internetwork switching prompt is sent by an access network discovery and selection function (ANDSF) server to an ANDSF client of the use equipment (UE) according to strategies; a switching instruction from the UE and the user information are received by the ANDSF server; a switching indication is sent by the ANDSF server to a target network according to the switching instruction and the user information; the UE is notified by the ANDSF server to execute Internetwork switching so as to switch the UE to the target network. According to the Internetwork switching method, the Internetwork switching system and the network element, the ANDSF server can carry out Internetwork system switching according to the switching instruction initiated by the ANDSF client on the UE, moreover, network switching can be realized on the condition that an IP address can be reserved, so business continuity of applications with high timeliness requirements is guaranteed, the user plays a leading role in Internetwork switching through introducing the APP client, and user experience is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a cross-network handover method, network element and system. Background technique [0002] In recent years, WLAN (Wireless Local Area Networks, wireless local area network) and LTE (Long Term Evolution, long-term evolution) converged networking has proposed the SaMOG (S2a Mobility based on GTP, GTP-based S2a mobility) networking solution. The current network capabilities and terminal capabilities belong to the Transparent Single-Connection mode (TransparentSingle-Connection mode), which is one of the connection methods defined after 3GPP R12 for WLAN and LTE collaborative networking. However, at this stage, the terminal cannot Initiate a switchover across systems. [0003] Therefore, it is necessary to propose a method for cross-network handover, so that the terminal can initiate and realize cross-system handover in WLAN and LTE converged networking. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/14
Inventor 邵震刘琛沈骁李一明李莉
Owner CHINA TELECOM CORP LTD
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