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1、[intheSPOTLIGHT]continuedGOINGBEYONDTRADITIONALunderstandnoncommunicationnetworkswithapplicationssuchassensornet-NETWORKS:SMARTGRID,likesocialnetworks.worksfortelemetryandsatellitenaviga-INTELLIGENTINFRASTRUCTURE,tion.Forlow-energysensorapplications,A
2、NDSOCIALNETWORKSCOMPRESSIVESENSINGINSPCOMrange-basedlocalizationisreceivingSPCOMisevolvingtoincorporatenewCompressivesensing(CS)referstoeffi-attentionwheredistancemeasurementsnetworkingconcepts.Thesmartgridaddscientcompressionandreconstructionbetweens
3、ensorsandbeaconsand/orcommunicationnetworkingcapabilitytoofanalogsignalsthataresparseinamongthesensorsthemselvesareaninfrastructurenetworklikethepowersomedomain,e.g.,space,time,orfre-exploitedtocomputethelocationofgridorwatergrid.Forexample,thepowerqu
4、ency.CSisacomponentofmanydif-thesensors.Assistedsatellitenaviga-gridcandeliverpowermuchmoreeffi-ferenttechnicalcommittees.Intionisalsolikelytobecomemorecientlywhenreal-timeinformationaboutSPCOM,CShasbeenappliedtotheimportant,wheresignalsofopportuni-th
5、egridstateisavailablethroughnet-detectionofimpulseradioultrawide-tyareexploited.Newmathematicalworkedmetersandpowerinfrastructure.band(exploitstime-domainsparsity),toolsthatarebeingexploitedinlocal-Challengesinthesmartpowergridradar(exploitssparsityin
6、angle,izationincludeCSandmultidimen-includedevelopingmachine-to-machineDoppler,and/orrangedomain),andsionalscaling.networkprotocolsforreportingmeasure-spectrumsensing(exploitssparsityinments,bettertechniquesforlarge-scalethespectrum).Therearemanyappli
7、ca-AUTHORSnetworkstateestimation,androbustnesstionsofCSremaininginSPCOM,Shuguang(Robert)Cui(cui@ece.tamu.tocyberattacks.Thesmartgridisjustincludinglocalizationandtrackingedu)isanassociateprofessoratTexasoneexampleofamoregeneraltrendofthroughradar,orbe
8、tternavigationA&MUniversity.networks-of-networkswheredifferentnet-throughglobalnetworksatellitesys-RobertW.HeathJr.(rheath@ece.workingconceptsareusedtomakeinfra-tems.Challengesremain,especiallyinutexas.edu)isanassociateprofessoratstructuremore