| 无线传感器网络中基于可调发射功率的能量空洞避免 |
| |
| 引用本文： | 曾志文,陈志刚,刘安丰. 无线传感器网络中基于可调发射功率的能量空洞避免[J]. 计算机学报, 2010, 33(1). DOI: 10.3724/SP.J.1016.2010.00012 |
| |
| 作者姓名： | 曾志文 陈志刚 刘安丰 |
| |
| 作者单位： | 中南大学信息科学与工程学院,长沙,410083 |
| |
| 基金项目： | 国家自然科学基金(60873082);;湖南省自然科学基金(09JJ6095);;湖南省科技计划(2008FJ3213)资助~~ |
| |
| 摘 要： | 无线传感器数据收集网络的多对一收集特征容易导致网络局部区域的能量消耗较高,形成能量空洞,从而导致整个网络过早死亡.文中通过分析无线传感器网络的数据分发特征,得到传感器网络的能量消耗分布情况、不同区域节点的寿命及其引起的数据传送延迟.在此基础上,在保证应用延迟需求前提下,提出了网络寿命最大化的求解算法.然后,依据数据传输率、能量消耗与延迟之间的相互影响,对可能形成能量空洞的区域选择一定比例的数据以较短的发射半径发送到能量消耗低的区域,以进一步提高网络性能.理论分析与模拟实验结果表明,该策略可延长网络寿命达17%.
|
| 关 键 词： | 无线传感器网络 能量消耗均衡 功率控制 能量空洞 网络寿命 |
Energy-Hole Avoidance for WSN Based on Adjust Transmission Power |
| |
| ZENG Zhi-Wen,CHEN Zhi-Gang,LIU An-Feng. Energy-Hole Avoidance for WSN Based on Adjust Transmission Power[J]. Chinese Journal of Computers, 2010, 33(1). DOI: 10.3724/SP.J.1016.2010.00012 |
| |
| Authors: | ZENG Zhi-Wen CHEN Zhi-Gang LIU An-Feng |
| |
| Affiliation: | College of Information Science and Engineering/a>;Central South University/a>;Changsha 410083 |
| |
| Abstract: | The many-to-one characteristic of the data collection in Wireless Sensor Network(WSN)often leads to high energy consumption in local network,which will result in energy hole problem so as to make the WSN dying prematurely.The paper analyses the characteristics of data distribution in WSN.Some results are obtained from the analysis including the distribution of energy consumptions,the lifetime of each node in different localities and the data transferring delay corresponding to the node's lifetime.Considerin... |
| |
| Keywords: | wireless sensor network energy consumption balance power control energy hole network lifetime |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
