Markov based VHO to improve the Handover performance among heterogeneous wireless networks in PMIPv6 domain

Jin Zhu, Limin Xu, L. Yang, Wanqing Xie, G. Sivaradje
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引用次数: 2

Abstract

The IETF NETLMM working group proposed Proxy Mobile IPv6 (PMIPv6), a network based localized mobility management protocol. PMIPv6 does not involve the mobile node in any mobility related signaling. One of the most challenging tasks in this fourth generation wireless network is the service continuity. When a mobile node moves from one Access Point (AP) to another AP connected in two different networks, Handover (HO) cannot be avoided. A process switching from one wireless technology to another is known as Vertical Handover (VHO). The proposed algorithm for VHO optimizes the performance of Handover Delay and packet loss. The GPS tracking system is used for location update and system discovery. The Markov based decision is used to identify the best available network to perform handover for seamless connectivity. The simulation results show that the handover latency of the proposed algorithm is minimized than the existing approaches and reduces the loss of packets during handover.
基于马尔可夫的VHO改进PMIPv6域异构无线网络间切换性能
IETF NETLMM工作组提出了代理移动IPv6 (Proxy Mobile IPv6, PMIPv6),一种基于网络的本地化移动管理协议。PMIPv6不涉及移动节点任何与移动相关的信令。在第四代无线网络中,最具挑战性的任务之一是业务连续性。当移动节点从一个AP (Access Point)移动到连接在两个不同网络中的另一个AP时,不可避免地会出现切换(HO)问题。从一种无线技术切换到另一种无线技术的过程称为垂直切换(VHO)。提出的VHO算法优化了切换延迟和丢包性能。GPS跟踪系统用于位置更新和系统发现。利用基于马尔可夫的决策来确定最佳可用网络以进行无缝连接切换。仿真结果表明,与现有的切换算法相比,该算法的切换延迟最小,并且减少了切换过程中的数据包丢失。
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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