| 基于时间片的无线传感器网络拓扑控制 |
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| 引用本文： | 熊书明,王良民,王新胜,詹永照.基于时间片的无线传感器网络拓扑控制[J].计算机科学,2009,36(6):57-62. |
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| 作者姓名： | 熊书明 王良民 王新胜 詹永照 |
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| 作者单位： | 1. 江苏大学计算机科学与通信工程学院,镇江,212013
2. 江苏大学计算机科学与通信工程学院,镇江,212013;东南大学计算机科学与工程学院,南京,210018 |
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| 基金项目： | 国家自然科学基金，国家博士后科学基金，江苏省自然科学基金，江苏省博士后科研资助计划，江苏大学高级人才科研启动经费资助项目 |
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| 摘 要： | LEACH通过分簇算法与功率控制两种拓扑控制方法有效地降低了无线传感器网络的能耗,延长了网络寿命.然而,在具备能量意识的PowerTOSSIM仿真实验中发现,LEACH往往在网络整体能量较多的情形下会出现少量结点过早死亡的现象.提出了基于能量意识的簇头选举方法和簇内基于时间片的动态活动结点(Active Node)负责机制,实现了网内各结点的能量负载均衡,通过大量仿真实验及相关工作的分析与比较,说明该方法有效克服了LEACH因簇规模大小不同而导致的结点能耗不均匀现象,从而延长了网络寿命.
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| 关 键 词： | 无线传感器网络 时间片 能量有效性 拓扑控制 分簇 |
| 收稿时间： | 2008/7/15 0:00:00 |
| 修稿时间： | 2008/10/6 0:00:00 |
Topology Control Based on Time Slots in Wireless Sensor Networks |
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| XIONG Shu-ming,WANG Liang-min,WANG Xin-sheng,ZHAN Yong-zhao.Topology Control Based on Time Slots in Wireless Sensor Networks[J].Computer Science,2009,36(6):57-62. |
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| Authors: | XIONG Shu-ming WANG Liang-min WANG Xin-sheng ZHAN Yong-zhao |
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| Affiliation: | School of Computer Science & Telecommunication Engineering;Jiangsu University;Zhenjiang 212013;China;School of Computer Science & Engineering;Southeast University;Nanjing 210018;China |
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| Abstract: | LEACH efficiently lowers energy consumption and prolongs lifetime of wireless sensor networks by using clustering algorithm and power control mechanism.However,in PowerTOSSIM simulation experiments with energy-aware it is found that there are a few nodes which die prematurely,but the total energy of the networks is still much.An energy-aware based cluster-head selecting approach and intra-cluster Active Node responsibility mechanism based on time slots were proposed.Through a large amount of simulation expe... |
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| Keywords: | Wireless sensor networks Time-slot Energy efficiency Topology control Clustering |
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