Method, system and device for switching between networks

A technology of network switching and internal switching, which is applied in the field of network switching methods, devices and systems, and can solve the problems of inflexible switching schemes of heterogeneous converged network architectures and the inability to fully consider the impact of high-level application characteristics on user-perceived information mobility.

Inactive Publication Date: 2008-10-29
HUAWEI TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a network switching method, device, and system, which solves the inflexibility of the existing heterogeneous converged

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  • Method, system and device for switching between networks
  • Method, system and device for switching between networks
  • Method, system and device for switching between networks

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Embodiment Construction

[0040] The technical solutions proposed by the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0041] Embodiment 1 of the present invention provides an enhanced media independent handover architecture. As shown in FIG. 1, the architecture includes the following functional entities:

[0042] 1) MN (mobile terminal): The mobile terminal described in this embodiment includes: a context awareness module (CAM), which is used to perceive and identify user-side information, process the user-side information, and generate trigger events as required; Media independent switching function module (EMIHF), used to shield different access methods and provide a unified interface for the interaction between upper-layer applications;

[0043] The handover control module (HCM) receives trigger events and handover related information through the enhanced media independent handover function module, and performs handover in th...

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Abstract

Disclosed is a switching method for the communication technical field, a device and a system thereof. The method comprises the following steps: trigger events are acquired and relevant information is switched; whether the switching is needed is judged according to the acquired trigger events and the switched relevant information and trigger norms; if the switching is needed, a target network is selected and a negotiation with the target network is carried out; after the negotiation is successful, the switching of the network is performed according to a policy. The embodiment of the invention solves the problem that the switching proposal of the existing heterogeneous converged network structure is inflexible and that the impact of high level application characteristics and user perception information to the mobility can not be comprehensively considered.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a network switching method, device and system. Background technique [0002] The future B3G communication system will be an IP-based heterogeneous fusion system, including: the third-generation cellular mobile communication network defined by 3GPP, the wireless local area network defined by 802.11, the wireless metropolitan area network defined by 802.16, the existing 2G network and future emerging new network etc. The converged network can provide users with more possible services, and can meet the needs of users in many aspects such as speed and coverage at the same time, and extend the handover in the traditional sense to a wider space, for example: MN (Mobile Node) Mobile, different levels of QoS (Quality of Service) support for different services, resource balance between networks, etc., may trigger handover. Vertical handover occurs when a user switches...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04L12/56H04L12/28H04L29/06H04L47/2466
Inventor 王莹周云袁俊鄢人杰姚忠辉何诚张平
Owner HUAWEI TECH CO LTD
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