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面向低功耗無(wú)線傳感器網(wǎng)絡(luò)的智能拓?fù)淇刂扑惴?
2020年電子技術(shù)應(yīng)用第11期
倪 磊,,李曉鈺,,張 勇
成都工業(yè)學(xué)院 網(wǎng)絡(luò)與通信工程學(xué)院,,四川 成都610400
摘要: 降低無(wú)線傳感器節(jié)點(diǎn)能耗是當(dāng)下拓?fù)渌惴ㄑ芯康闹攸c(diǎn),。通過(guò)對(duì)功率控制型算法進(jìn)行研究后發(fā)現(xiàn),,現(xiàn)有算法忽略多跳中繼區(qū)域問題,,從而增加節(jié)點(diǎn)的能耗,。因此提出面向低功耗的智能拓?fù)淇刂扑惴?,該算法通過(guò)收集各節(jié)點(diǎn)功耗反饋信息后形成最大鄰近節(jié)點(diǎn)拓?fù)?,遍歷所有鄰近節(jié)點(diǎn)后選擇能量消耗最小的路徑。對(duì)網(wǎng)絡(luò)連通性,、節(jié)點(diǎn)度和能量消耗等性能指標(biāo)仿真分析,,算法能夠消除不合理的多跳,降低每個(gè)節(jié)點(diǎn)的最大發(fā)射功率,,維護(hù)全網(wǎng)絡(luò)的連通性,,理論上具有一定的實(shí)際應(yīng)用價(jià)值。
中圖分類號(hào): TN915.01
文獻(xiàn)標(biāo)識(shí)碼: A
DOI:10.16157/j.issn.0258-7998.200355
中文引用格式: 倪磊,,李曉鈺,,張勇. 面向低功耗無(wú)線傳感器網(wǎng)絡(luò)的智能拓?fù)淇刂扑惴╗J].電子技術(shù)應(yīng)用,2020,,46(11):79-81,,86.
英文引用格式: Ni Lei,Li Xiaoyu,,Zhang Yong. Intelligent topology control in low power wireless sensor networks[J]. Application of Electronic Technique,,2020,46(11):79-81,,86.
Intelligent topology control in low power wireless sensor networks
Ni Lei,,Li Xiaoyu,Zhang Yong
School of Network & Communication Engineering,,Chengdu Technological University,,Chengdu 610400,China
Abstract: Reducing the energy consumption of wireless sensor nodes is the focus of intelligent algorithm research. This paper studies the power control algorithm and finds that the existing algorithm ignores the problem of multi-hop relay area, which increases the energy consumption of nodes. Therefore, this paper proposes a low-power intelligent topology control algorithm. The algorithm collects the feedback information of each node′s power consumption, forms the topology of the largest neighboring node, traverses all neighboring nodes, and selects the path with the least energy consumption. The algorithm can eliminate unreasonable multi-hop, reduce the maximum transmission power of each node, and maintain the connectivity of the whole network. In theory, the algorithm has certain practical application value.
Key words : wireless senor network,;RBTC,;node degree;low power consumption

0 引言

    隨著人工智能及智能制造在工業(yè)領(lǐng)域,、軍事領(lǐng)域,、環(huán)境監(jiān)測(cè)等方面的廣泛應(yīng)用,新型分布式無(wú)線傳感器由于無(wú)需接線,、超低能耗,、使用方便,,正變得越來(lái)越廣泛。如何在滿足網(wǎng)絡(luò)覆蓋度和連通度的前提下,,節(jié)省無(wú)線傳感器節(jié)點(diǎn)能量,、形成高效的數(shù)據(jù)轉(zhuǎn)發(fā)拓?fù)浣Y(jié)構(gòu),是拓?fù)淇刂扑惴ㄑ芯康闹攸c(diǎn)[1],。

    目前提出的拓?fù)淇刂扑惴ㄒ话闶轻槍?duì)網(wǎng)絡(luò)拓?fù)涞哪骋环矫孢M(jìn)行了優(yōu)化設(shè)計(jì),。文獻(xiàn)[2]中算法未考慮網(wǎng)絡(luò)負(fù)載平衡、網(wǎng)絡(luò)的整體能耗水平和網(wǎng)絡(luò)中單一節(jié)點(diǎn)能量狀態(tài)帶來(lái)的影響,;文獻(xiàn)[3]最小生成樹算法(MSTP)和文獻(xiàn)[4]鄰近圖算法(DRNG)都忽略了多跳中繼區(qū)域問題,,從而增加了節(jié)點(diǎn)的能耗;文獻(xiàn)[5]中算法易形成節(jié)點(diǎn)孤島,,影響網(wǎng)絡(luò)的連通性,,無(wú)法保障數(shù)據(jù)傳送的可靠性[5-6];文獻(xiàn)[7]算法未考慮通信開銷和網(wǎng)絡(luò)的魯棒性問題,。本文通過(guò)對(duì)多跳中繼區(qū)域的分析,,設(shè)計(jì)一種智能拓?fù)淇刂扑惴?a class="innerlink" href="http://forexkbc.com/tags/RBTC" target="_blank">RBTC(Relay-Based Topology Control Algorithm)。通過(guò)分析得出,,該算法不僅能消除不合理多跳,,而且降低最小路徑損耗和發(fā)射功率。




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作者信息:

倪  磊,,李曉鈺,張  勇

(成都工業(yè)學(xué)院 網(wǎng)絡(luò)與通信工程學(xué)院,,四川 成都610400)

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