Useful Lifetime Maximization for Partial Coverage Conserve in Wireless Sensor Networks

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Useful Lifetime Maximization for Partial Coverage Conserve in Wireless Sensor Networks

更新时间：2025-07-09

- Useful Lifetime Maximization for Partial Coverage Conserve in Wireless Sensor Networks
- Vol. 43, Issue 10, Pages: 66-70+80(2009)
- 作者机构：
  
  西安交通大学计算机科学与技术系,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Online First：10 October 2009，
  
  Published：2009
- 稿件说明：
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Useful Lifetime Maximization for Partial Coverage Conserve in Wireless Sensor Networks[J]. 2009, 43(10): 66-70+80.
DOI：

Useful Lifetime Maximization for Partial Coverage Conserve in Wireless Sensor Networks[J]. 2009, 43(10): 66-70+80. DOI：

摘要

为了保证监测区域覆盖质量

同时延长无线传感器网络有效寿命

构建了一种不需要地理位置信息的异构传感器网络冗余节点决策模型

由此提出了一种最大化网络有效寿命的异构传感器网络覆盖保持协议——ULMPCC.根据节点剩余能量状况

关闭剩余能量相对较少的所有冗余节点

保留最少的工作节点

从而实现了分布式协作节点调度.基于剩余能量的选举策略有效地平衡网络中的能量消耗

最大化了网络的有效寿命.仿真实验表明

UMLPCC能调度最少的工作节点

保证应用要求的覆盖质量

当期望的覆盖质量大于90%时

获得的覆盖质量与期望的覆盖质量的误差小于1%.

Abstract

A decision model of redundant node without the location information is proposed for heterogeneous wireless sensor network to prolong the wireless sensor network useful lifetime as well as to maintain sufficient sensing coverage at a specific application level. Based on the model

a useful lifetime maximization for partial coverage conserve in wireless sensor network(ULMPCC)protocol is proposed. The protocol allows for closing all redundant nodes that have relative less residual energy according to their residual energy states so that the least number of nodes are maintained as working nodes and the distributed collaborative scheduling of nodes is achieved. The residual energy-based election strategy in ULMPCC effectively balances the network energy consumption

and maximizes the useful network lifetime. Simulation results show that ULMPCC guarantees the desired coverage QoS accurately and minimizes the number of active nodes. The error between the resulting coverage QoS and the desired coverage QoS is less than 1% when the desired coverage QoS is greater than 90%.

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references

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LIU Benyuan, TOWSLEY D. A study of the coverage of large-scale sensor networks [C]∥2004 IEEE International Conference on Mobile Ad-Hoc and Sensor Systems. Piscataway, NJ, USA: IEEE, 2004: 475-483.

刘明,曹建农,郑源,等.无线传感器网络多重覆盖问题分析 [J]. 软件学报, 2007, 18(1): 127-136.

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