媒体独立切换(IEEE 802.21):下一代垂直切换协议的框架

2011 International Conference on Computational Intelligence and Communication Networks Pub Date : 2011-10-07 DOI:10.1109/CICN.2011.106

Vikas Sharma, Ankith Agarwal, M. Qadeer

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引用次数: 13

摘要

虽然已经发展出各种不同特点和性能水平的无线接入网技术，但没有一种网络能够满足移动用户随时随地、任意业务的无线接入需求。真正无缝的移动环境只能通过同时考虑垂直和水平切换来实现。支持垂直切换是异构无线网络的主要设计问题之一。当具有多接口终端的用户在保持活动会话的同时将关联从一种类型的无线接入技术更改为另一种类型时，就会发生垂直切换。人们认为，垂直移交决策将基于多种标准。本文对垂直切换机制(VHM)、决策模型和IEEE标准802.21(也称为媒体独立切换)进行了综述。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Media Independent Handover (IEEE 802.21): Framework for Next Generation Vertical Handover Protocols

Although various wireless access network technologies with different characteristics and performance level have been developed, no single network that can satisfy the anytime, anywhere, and any service wireless access needs of mobile users. A truly seamless mobile environment can only be realized by considering vertical and horizontal handoffs together. One of the major design issues in heterogeneous wireless networks is the support of vertical handoff. Vertical handoff occurs when a user with a multi-interface terminal changes association from one type of wireless access technology to another while maintaining an active session. It is believed that vertical handoff decision will be based on multiple criteria. In this paper review of Vertical Handoff Mechanisms (VHM), decision models and IEEE standard 802.21 (also called Media Independent Handover) have been discussed for seamless vertical handover.

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2011 International Conference on Computational Intelligence and Communication Networks

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