發(fā)布時(shí)間：2018-04-01 05:04

  本文選題：無(wú)線傳感器網(wǎng)絡(luò)　切入點(diǎn)：非均勻成簇　出處：《計(jì)算機(jī)科學(xué)》2017年02期

【摘要】：針對(duì)復(fù)雜、不規(guī)則場(chǎng)景下無(wú)線傳感網(wǎng)絡(luò)的高效能組網(wǎng)問(wèn)題,提出了一種基于非均勻成簇的無(wú)線傳感器網(wǎng)絡(luò)多跳路由算法MRAUC。根據(jù)應(yīng)用場(chǎng)景形狀不規(guī)則、匯聚節(jié)點(diǎn)遠(yuǎn)離檢測(cè)區(qū)域等特點(diǎn),首先將檢測(cè)區(qū)域近似成匯聚節(jié)點(diǎn)位于扇心的扇環(huán),建立了扇型場(chǎng)景下無(wú)線傳感器網(wǎng)絡(luò)的非均勻成簇模型;通過(guò)等間隔劃分扇環(huán),以第一扇環(huán)能耗最小為原則確定各扇環(huán)的簇首數(shù)目,進(jìn)一步推導(dǎo)出各扇環(huán)內(nèi)的最佳簇首比例;通過(guò)簇首發(fā)射功率的自適應(yīng)調(diào)整實(shí)現(xiàn)非均勻分簇;同時(shí),以MTE原則競(jìng)選出最佳中繼簇首,有效解決了簇首間的路由中繼問(wèn)題。仿真結(jié)果表明,與傳統(tǒng)算法相比,在不同應(yīng)用場(chǎng)景下所提MRAUC算法在均衡網(wǎng)絡(luò)節(jié)點(diǎn)能耗、延長(zhǎng)網(wǎng)絡(luò)生命周期方面具有顯著優(yōu)勢(shì),更適用于工程實(shí)際。
[Abstract]:In order to solve the problem of wireless sensor networks with high performance in complex and irregular scenarios, a multi-hop routing algorithm based on non-uniform clustering is proposed in this paper. According to the irregular shape of application scenarios, MRAUC-based multi-hop routing algorithm is proposed. Firstly, the detection area is approximated as the fan ring of the convergence node located in the fan center, and the non-uniform clustering model of wireless sensor network in fan scene is established. Based on the principle of minimum energy consumption of the first ring, the number of cluster heads in each fan ring is determined, and the optimal cluster head ratio in each fan ring is derived. Based on the MTE principle, the optimal relay cluster head is elected, which effectively solves the routing relay problem between cluster heads. The simulation results show that compared with the traditional algorithm, the proposed MRAUC algorithm in different application scenarios can balance the energy consumption of network nodes. Prolonging the network life cycle has significant advantages and is more suitable for engineering practice.
【作者單位】： 電子工程學(xué)院401室;
【基金】：電子工程學(xué)院院控基金(KY13A206)資助
【分類號(hào)】：TP212.9;TN929.5

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本文編號(hào)：1694073