Communication Capacity Requirement for Reliable and Secure State Estimatio

Securesystemstateestimationisanimportantissueinsmartgridtoassurethereliabilityandsecurity.Inthispaper,thecaseofasingleobservationstationandGaussiannoisecommunicationchannelwithaneavesdropperisconsidered.Thechannelcapacityrequirementisstudiedfromtheinformationtheoreticperspective.Thesm