| 引用本文: | 陈良银,刘振磊,邹循,徐正坤,郭振乾,张靖宇,袁平,刘燕.基于能量感知的移动低占空比机会网络纠删编码算法.软件学报,2013,24(2):230-242 |
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| 基于能量感知的移动低占空比机会网络纠删编码算法 |
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陈良银1, 刘振磊1, 邹循1, 徐正坤2, 郭振乾1, 张靖宇1, 袁平3, 刘燕4
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1.四川大学 计算机学院,四川 成都 610064;2.中国人民解放军 78020 部队,云南 昆明 650000;3.重庆教育学院 计算机科学系,重庆 400067;4.北京大学 软件与微电子学院,北京 102600
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| 摘要: |
| 低占空比(low-duty-cycle,简称LDC)技术是当前延长无线传感器网络生命周期的最关键技术,为了有效延长机会网络生命周期,将低占空比技术引入机会网络,形成LDC机会网络.但是,现有机会网络路由算法不能很好地适应LDC环境,其性能会大幅度下降.为了解决该问题,提出一种基于能量感知的移动低占空比机会网络纠删编码算法E-EC.仿真实验结果表明,与现有的典型机会网络路由算法相比,E-EC算法在延长移动机会网络生命周期以及增加数据传输成功率等方面带来明显的性能提升. |
| 关键词: 低占空比 机会网络 能量感知 纠删编码算法 |
| DOI：10.3724/SP.J.1001.2013.04232 |
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| 基金项目:国家自然科学基金(60933011);国家重点基础研究发展计划(973)(2011CB302902);国家科技重大专项(2010ZX03004-002-01);四川省科技支撑计划(2010GZ0170);四川大学青年教师科研启动基金(2011SCU11091) |
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| Erasure-Coding Algorithm in Mobile Low-Duty-Cycle Opportunistic Networks Based on Energy-Aware |
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CHEN Liang-Yin1, LIU Zhen-Lei1, ZOU Xun1, XU Zheng-Kun2, GUO Zhen-Qian1, ZHANG Jing-Yu1, YUAN Ping3, LIU Yan4
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1.College of Computer Science, Sichuan University, Chengdu 610064, China;2.78020 People's Liberation Army, Kunming 650000, China;3.Department of Computer Science, Chongqing Education College, Chongqing 400067, China;4.School of Software and Microelectronics, Peking University, Beijing 102600, China
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| Abstract: |
| Low-Duty-Cycle (LDC) is the most important technique in increasing the lifecycle of wireless sensor networks. This paper imports low duty cycle technology into opportunistic networks to extend the lifecycle of opportunistic networks effectively. However, the existing routing algorithms for opportunistic networks perform poorly in LDC environment. To solve this problem, this paper proposes an erasure-coding algorithm based on energy-aware (E-EC) for LDC opportunistic networks. Simulation results show that, compared with existing classical algorithms, E-EC algorithm achieves significant performance improvement in terms of life cycle and data success rate. |
| Key words: low-duty-cycle opportunistic network energy-aware erasure-coding algorithm |
