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《基于拓?fù)渲貥?gòu)的水下移動(dòng)無(wú)線傳感器網(wǎng)絡(luò)拓?fù)鋬?yōu)化-論文.pdf》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、第36卷第6期通信學(xué)報(bào)、,01.36No.62015年6月JournalonCommunicationsJune2015doi:10.119598.issn.1000—436x.2015155基于拓?fù)渲貥?gòu)的水下移動(dòng)無(wú)線傳感器網(wǎng)絡(luò)拓?fù)鋬?yōu)化何明1,2梁文輝1,3陳秋麗,陳希亮,陳劍f1.解放軍理工大學(xué)指揮信息系統(tǒng)學(xué)院,江蘇南京210007;2.解放軍第6l研究所,北京100071;3.解放軍61345部隊(duì),陜西西安710004)摘要:針對(duì)水下移動(dòng)無(wú)線傳感器網(wǎng)絡(luò)(MUWSN,mobileunderwat
2、erwirelesssensornetworks)拓?fù)潆S洋流動(dòng)態(tài)演化對(duì)其網(wǎng)絡(luò)性能會(huì)產(chǎn)生很大影響,提出了一種基于拓?fù)渲貥?gòu)的水下移動(dòng)無(wú)線傳感器網(wǎng)絡(luò)拓?fù)鋬?yōu)化方法,首先通過(guò)模擬魚群行為對(duì)傳感器節(jié)點(diǎn)位置進(jìn)行調(diào)整,優(yōu)化網(wǎng)絡(luò)覆蓋度;其次,利用冗余節(jié)點(diǎn)修復(fù)網(wǎng)絡(luò)中不連通位置,消除關(guān)鍵節(jié)點(diǎn),優(yōu)化網(wǎng)絡(luò)連通性,最后,通過(guò)仿真對(duì)比實(shí)驗(yàn)驗(yàn)證了該方法的合理性和有效性。實(shí)驗(yàn)結(jié)果表明,所提算法能在較低能耗下,保證網(wǎng)絡(luò)覆蓋度長(zhǎng)期維持在97%左右,連通率達(dá)到89%以上。關(guān)鍵詞:水下移動(dòng)無(wú)線傳感器網(wǎng)絡(luò);拓?fù)鋬?yōu)化;自主式水下航行器中圖分類
3、號(hào):TP393文獻(xiàn)標(biāo)識(shí)碼:AOptimizationmethodthroughtopologyrec0nfigurati0nf0rmobileunderwaterwirelesssensornetworksHEMing,LIANGWen—hui,CHENQiu.1.i.,CHENXi.1iang,CHENJian(1.CollegeofCommandInformationSystem,PLAScienceandTechnologyUniversity,Nanjing210007,China;2.T
4、he61thResearchInstituteofPLA,Beijing100071,China;3.61345Armies,PLA,Xi’all710004,China)Abstract:Thetopologyofmobileunderwaterwirelesssensornetworks(MUWSN)evolvesdynamicallywithoceancur-rents,whichwillhavegreatimpactonnetworkperformance.Tosolvethisprobl
5、em,atopologyoptimizationmethodforMUWSNsisproposedbasedontopologyreconfiguration.Firstly,theproposedmethodoptimizesthecoveragerateofMUWSNsbyadjustingthelocationofsensornodesthroughsimulatingfishbehaviors.Secondly,tooptimizetheconnec—tivityofMUWSNs,thep
6、roposedmethodrepairsdisconnectedpositionsandeliminateskeynodesinMUWSNthroughusingredundantnodes.Finally,simulationresultsverifytherationalityandvalidityoftheproposedmethod.Experimen-talresultsshowthatthealgorithmcanguaranteethenetworkcoverageismaintai
7、nedatabout97%,conectivityrateabove89%,withlowerenergyconsumption.Keywords:mobileunderwaterwirelesssensornetworks;topologyoptimization;autonomousunderwatervehicle使其能夠勝任水下軍事目標(biāo)監(jiān)視、海洋數(shù)據(jù)收集、1引言水質(zhì)監(jiān)測(cè)、海底礦產(chǎn)資源探測(cè)等重要任務(wù)【4J。水下傳感器節(jié)點(diǎn)易受洋流、水下生物觸動(dòng)等外目前,針對(duì)傳統(tǒng)的地面?zhèn)鞲衅骶W(wǎng)絡(luò)優(yōu)化研究已力影響
8、發(fā)生位置遷移,導(dǎo)致水下移動(dòng)無(wú)線傳感器網(wǎng)有一些成果,付華等在文獻(xiàn)[5】中提出了一種量子遺絡(luò)拓?fù)渥兓l繁,從而影響了網(wǎng)絡(luò)性能,。合理高傳算法,用于解決地面?zhèn)鞲芯W(wǎng)中感知節(jié)點(diǎn)分布優(yōu)化效的拓?fù)鋬?yōu)化方法能夠增強(qiáng)網(wǎng)絡(luò)拓?fù)淇煽啃院涂箚?wèn)題;Azrina等[6]通過(guò)一種分布式拓?fù)淇刂萍夹g(shù)從毀性,是提高M(jìn)UWSN網(wǎng)絡(luò)性能的有效手段,以傳感器電池能量方面考慮,對(duì)無(wú)線傳感器網(wǎng)絡(luò)能耗收稿日期:2014—07—21;修回13期:2015.01.20基金項(xiàng)目:國(guó)家自然科學(xué)基金資助項(xiàng)目(61301159);江蘇省自