| 一种基于马尔可夫链的车辆自组网可生存性模型 |
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| 引用本文： | 谢波,肖晓强,徐明,刘志强.一种基于马尔可夫链的车辆自组网可生存性模型[J].计算机应用,2008,28(10):2577-2579. |
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| 作者姓名： | 谢波 肖晓强 徐明 刘志强 |
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| 作者单位： | 国防科学技术大学,计算机学院,长沙,410073 |
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| 摘 要： | 根据车辆自组网（VANET）的特点和实际应用，分析了VANET的可生存性要素，给出了VANET的可生存性定义，分析了VANET的服务、威胁与策略，提出了基于马尔可夫链的平均可生存性量化模型，并通过模拟验证了该模型的正确性。理论和模拟结果均表明，保证基本服务和防止严重威胁可以有效保障VANET的可生存性。
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| 关 键 词： | 车辆自组网 可生存性 可生存性模型 |
| 收稿时间： | 2008-04-22 |
Survivability model for vehicular Ad-Hoc network based on Markov chain |
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| XIE Bo,XIAO Xiao-qiang,XU Ming,LIU Zhi-qiang.Survivability model for vehicular Ad-Hoc network based on Markov chain[J].journal of Computer Applications,2008,28(10):2577-2579. |
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| Authors: | XIE Bo XIAO Xiao-qiang XU Ming LIU Zhi-qiang |
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| Affiliation: | XIE Bo,XIAO Xiao-qiang,XU Ming,LIU Zhi-qiang(School of Computer,National University of Defense Technology,Changsha Hunan 410073,China) |
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| Abstract: | According to the characteristics and application of Vehicle Ad-Hoc Network (VANET), the factors in the survivability of VANET were defined, and then the services, threats, and strategies of VANET were analyzed. The model of average survivability based on Markov chain was developed. Finally, the correctness verification work of the model was also done by simulations. Both the theory and simulation results show that keeping basic services and preventing serious threats can efficiently enhance the survivability of VANET. |
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| Keywords: | Vehicle Ad-Hoc Network (VANET) survivability survivability model |
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