基于無(wú)線信號(hào)不規(guī)則性的無(wú)線傳感網(wǎng)層次型拓?fù)淇刂扑惴? />
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王惠珠

doi:10.11999/JEIT141626

基于無(wú)線信號(hào)不規(guī)則性的無(wú)線傳感網(wǎng)層次型拓?fù)淇刂扑惴?/h2>

doi: 10.11999/JEIT141626 cstr: 32379.14.JEIT141626

唐宏¹,
王惠珠¹

基金項(xiàng)目:

長(zhǎng)江學(xué)者和創(chuàng)新團(tuán)隊(duì)發(fā)展計(jì)劃(IRT1299)，重慶市科委項(xiàng)目(CSTC2012jjA40044, cstc2013yykfA40010)和重慶市科委重點(diǎn)實(shí)驗(yàn)室專(zhuān)項(xiàng)經(jīng)費(fèi)

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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(gòu)建層次型拓?fù)浣Y(jié)構(gòu)是延長(zhǎng)網(wǎng)絡(luò)生存時(shí)間的有效方法。該文將拓?fù)錁?gòu)建過(guò)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(zhuǎn)發(fā)層，建立了基于無(wú)線信號(hào)不規(guī)則性的網(wǎng)絡(luò)能耗模型以及節(jié)點(diǎn)成簇穩(wěn)定性模型，提出了基于無(wú)線信號(hào)不規(guī)則性的層次型拓?fù)淇刂?WSIBTC)算法。WSIBTC算法根據(jù)節(jié)點(diǎn)平均有效傳輸距離將監(jiān)測(cè)區(qū)域劃分為多個(gè)子區(qū)域，由成簇穩(wěn)定性和節(jié)點(diǎn)在簇中的位置決定最終簇頭，簇頭間形成平面拓?fù)浣Y(jié)構(gòu)，延長(zhǎng)網(wǎng)絡(luò)生存時(shí)間。分析和仿真結(jié)果表明由WSIBTC算法得到的網(wǎng)絡(luò)拓?fù)浯蠓鹊靥嵘司W(wǎng)絡(luò)生存時(shí)間。
- 無(wú)線傳感器網(wǎng)絡(luò) /
- 層次型拓?fù)?/a> /
- 無(wú)線信號(hào)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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