ISSN1006-7167CN31-1707/TRESEARCHANDEXPLORATIONINLABORATORY第42卷第1期Vol.42No.12023年1月Jan.2023DOI:10.19927/j.cnki.syyt.2023.01.031无线传感网络中基于转发节点优化的地理位置路由谢娜1,孔令箭2(1.山西工程职业学院采矿工程系,太原030032;2.扬州大学美术与设计学院,江苏扬州225000)摘要:由于复杂度低、扩展性好,地理位置路由广泛应用于无线传感网络(WSN)。传统地理位置路由只依据节点位置决策下一跳转发节点,并没有考虑节点能耗。为此,提出转发节点优化的地理位置路由(FNO-GR),旨在提升网络寿命,减少死亡节点数。FNO-GR路由构建邻居节点集,依据离信宿距离,从邻居节点集中选择候选转发节点,并考虑节点剩余能量,从候选转发节点中选择最优的节点作为下一跳转发节点。仿真结果表明,与最短地理位置路由(SGR)协议相比,FNO-GR路由的平均网络寿命提升约5.08%,死亡节点数下降了约7.99。关键词:无线传感网;地理位置路由;能耗;转发节点;网络寿命中图分类号:TPT393文献标志码:A文章编号:1006-7167(2023)01-0159-05ForwardingNodeOptimization-basedGeographicalRoutinginWirelessSensorNetworksXIENa1,KONGLingjian2(1.DepartmentofMiningEngineering,ShanxiEngineeringVocationalCollege,ShanxiTaiyuan030032,China;2.SchoolofFineArtsandDesign,YangzhouUnivesity,Yangzhou225000,Jiangsu,China)Abstract:Oneofthemostpopularroutingprotocolsforwirelesssensornetworks(WSNs)isthefamilyofgeographicalroutingprotocolsbecauseofitslowcomplexityandgoodscalability.However,traditionalgeolocationroutingonlymakesnext-hopforwardingnodedecisionsbasedonlocationofnodes,withoutconsideringenergyconsumptionofnodes.Therefore,forwardnodeoptimization-basedgeographicalrouting(FNO-GR)isproposedtoimprovenetworklifeandreducethenumberofdeadnodes.TheFNO-GRroutefirstconstructstheneighbornodeset,thenselectsthecandidateforwardingnodefromtheneighbornodesetaccordingtothedistancefromthesink,andthenselectstheoptimalnodefromthecandidateforwardingnodeasthenext-hopforwardingnodeconsideringtheresidualenergyofthenode.TheexperimentresultsshowthatFNO-GRgetalongeraverageofnetworklifetime5.08%andreducedeadnodes7.99%,comparedtotheshortestgeographica...