基于無線信號不規(guī)則性的無線傳感網層次型拓撲控制算法

唐宏; 王惠珠

doi:10.11999/JEIT141626

基于無線信號不規(guī)則性的無線傳感網層次型拓撲控制算法

doi: 10.11999/JEIT141626

唐宏¹,
王惠珠¹

基金項目:

長江學者和創(chuàng)新團隊發(fā)展計劃(IRT1299)，重慶市科委項目(CSTC2012jjA40044, cstc2013yykfA40010)和重慶市科委重點實驗室專項經費

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- 文章訪問數(shù): 2133
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- PDF下載量: 464
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2014-12-22
- 修回日期: 2015-05-25
- 刊出日期: 2015-09-19

Wireless Signal Irregularity Based Hierarchical Topology Control Algorithm for Wireless Sensor Networks

Tang Hong¹,
Wang Hui-zhu¹

摘要

摘要: 構建層次型拓撲結構是延長網絡生存時間的有效方法。該文將拓撲構建過程分為由簇成員組成的感知層和由簇頭組成的平面數(shù)據(jù)轉發(fā)層，建立了基于無線信號不規(guī)則性的網絡能耗模型以及節(jié)點成簇穩(wěn)定性模型，提出了基于無線信號不規(guī)則性的層次型拓撲控制(WSIBTC)算法。WSIBTC算法根據(jù)節(jié)點平均有效傳輸距離將監(jiān)測區(qū)域劃分為多個子區(qū)域，由成簇穩(wěn)定性和節(jié)點在簇中的位置決定最終簇頭，簇頭間形成平面拓撲結構，延長網絡生存時間。分析和仿真結果表明由WSIBTC算法得到的網絡拓撲大幅度地提升了網絡生存時間。
- 無線傳感器網絡 /
- 層次型拓撲 /
- 無線信號不規(guī)則性 /
- 成簇穩(wěn)定性
Abstract: Constructing hierarchical topology is an effective way to prolong network lifetime. The topology control process is divided into sensing layer composed by cluster members and planar data forwarding layer composed by cluster heads, while the mathematical models of energy consumption based on wireless signal irregularity and stability of cluster are proposed. Further, a Wireless Signal Irregularity Based hierarchical Topology Control (WSIBTC) algorithm is proposed, which divides the monitoring region into several sub-regions based on the average effective transmission range. The cluster heads are elected based on the stability of cluster and the location of sensor nodes in the clusters, and a planar topology is formed by cluster heads to prolong the network lifetime. Analysis and simulation results show that the proposed WSIBTC algorithm improves greatly the lifetime of the network.
- Wireless Sensor Networks (WSNs) /
- Hierarchical topology /
- Irregularity of wireless signal /
- Stability of cluster

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