Vertical Handoff Decision Algorithm Providing Optimized Performance in Heterogeneous Wireless Networks
Vertical Handoff Decision Algorithm Providing Optimized Performance in Heterogeneous Wireless Networks
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DOI：
10.1109/glocom.2007.979
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发表时间：
2007-12
期刊：
影响因子：
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通讯作者：
SuKyoung Lee;K. Sriram;Kyungsoo Kim;JongHyup Lee;Yoon Hyuk Kim;Nada Golmie
中科院分区：
文献类型：
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作者：
SuKyoung Lee;K. Sriram;Kyungsoo Kim;JongHyup Lee;Yoon Hyuk Kim;Nada Golmie
当前存在异构无线接入网络。利用这些网络的大量应用将要求诸如实时、高可用性、甚至在某些情况下瞬时高带宽的特性。因此，网络服务提供商必须尽可能地利用可用的异构网络的组合资源来进行连接支持。因此，对于垂直切换性能，迫切需要开发用于无缝移动性的连接管理和最优资源分配的算法。在本文中，我们开发了一种垂直切换决策算法，使无线接入网络，不仅平衡所有附着点之间的整体负载，但也最大限度地提高集体电池寿命的移动的节点（MN）。仿真结果也证明了所提出的算法的有效性。
There are currently heterogeneous wireless access networks. A large variety of applications utilizing these networks will demand features such as real-time, high-availability and even instantaneous high-bandwidth in some cases. Therefore, it is imperative for network service providers to make the best possible use of the combined resources of available heterogeneous networks for connection support. Thus, with regard to vertical handoff performance, there is a critical need for developing algorithms for connection management and optimal resource allocation for seamless mobility. In this paper, we develop a vertical handoff decision algorithm that enables a wireless access network to not only balance the overall load among all attachment points but also to maximize the collective battery lifetime of mobile nodes (MNs). Simulation results are also presented to demonstrate the efficacy of the proposed algorithms.