基于群集移动节点的切换算法

计算机应用 ›› 2011, Vol. 31 ›› Issue (12): 3219-3222.

基于群集移动节点的切换算法

吕莎莎¹,²,孙建伟²,贾军营¹,²,于波¹,²

1. 中国科学院沈阳计算技术研究所，沈阳 100171
2. 中国科学院研究生院，北京 100049

收稿日期:2011-05-26 修回日期:2011-07-06 发布日期:2011-12-12 出版日期:2011-12-01
通讯作者: 吕莎莎

Handover algorithm based on cluster mobile node

LV Sha-sha¹,²,SUN Jian-wei¹,JIA Jun-ying¹,²,YU Bo¹,²

1. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
2. Shenyang Insititute of Computing Technology, Chinese Academy Sciences, Shenyang Liaoning 100171, China

Received:2011-05-26 Revised:2011-07-06 Online:2011-12-12 Published:2011-12-01
Contact: LV Sha-sha

摘要/Abstract

摘要： 无线蜂窝网的信号切换依赖IP层的移动切换，IETF提出的代理移动IPv6(PMIPv6)协议可以保证移动终端应用IPv6网的快速切换，但是它在切换时延方面仍然无法保证实时通信的服务质量。研究基于PMIPv6协议，提出群集移动节点(CMN)算法，应用媒体无关切换(MIH)技术，减少了大量移动节点，同时提出切换请求时系统时延增大的问题,扩展原始代理绑定更新消息结构(A-PBU)。最后模拟网络模型和节点移动模型，从切换时延方面分析算法的有效性。实验结果表明，系统应用CMN算法与原始切换算法相比可以大大降低切换时延。

关键词: 代理移动IPv6, 媒体独立切换, 群集移动节点, 扩展代理绑定更新, 切换时延

Abstract: Handover procedure of modern cellular wireless networks depends on IP-based technology. IETF Proxy Mobile IPv6 (PMIPv6) protocol guarantees the Quality of Service (Qos) in fast handover moving while it does not support realtime communications between two mobile nodes. Therefore Cluster Mobile Node (CMN) algorithm was proposed to reduce handover delay in the system by applied Media Independent Handover (MIH) Technology. Also, the algorithm extended PMIPv6 protocol with an Aggregated Proxy Binding Update (A-PBU) scheme in the paper. Finally, the network model and mobile model were simulated and the effectiveness of handover delay was analyzed. Quantitative results show a significant reduction in handover delay compared with the original handover algorithm.

Key words: Proxy Mobile IPv6 (PMIPv6), Media Independent Handover (MIH), Cluster Mobile Node (CMN), Aggregated Proxy Binding Update (A-PBU), handover delay

中图分类号:

吕莎莎孙建伟贾军营于波. 基于群集移动节点的切换算法[J]. 计算机应用, 2011, 31(12): 3219-3222.

LV Sha-sha SUN Jian-wei JIA Jun-ying YU Bo. Handover algorithm based on cluster mobile node[J]. Journal of Computer Applications, 2011, 31(12): 3219-3222.

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