| Ni Minming*②（倪旻明）,Zhong Zhangdui*,Chen Ruifeng*,Zhao Dongmei**.[J].高技术通讯(英文),2011,17(4):414~418 |
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| Doppler shift based stable clustering scheme for mobile ad hoc networks① |
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| DOI： |
| 中文关键词: |
| 英文关键词: mobile ad hoc network, clustering, doppler shift, relative speed estimation |
| 基金项目: |
| Author Name | Affiliation | | Ni Minming*②（倪旻明） | | | Zhong Zhangdui* | | | Chen Ruifeng* | | | Zhao Dongmei** | |
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| 中文摘要: |
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| 英文摘要: |
| This paper addresses the clustering problem for mobile ad hoc networks. In the proposed scheme, Doppler shift associated with received signals is used to estimate the relative speed between acluster head and its members. With the estimated speed, a node can predict its stay time in every nearby cluster. In the initial clustering stage, a node joins a cluster that can provide it with the longest stay time in order to reduce the number of re-affiliations. In the cluster maintaining stage, strategies are designed to help node cope with connection break caused by channel fading and node mobility. Simulation results show that the proposed clustering scheme can reduce the number of re-affiliations and the average disconnection time compared with previous schemes. |
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