简介:MostofthecurrentdeploymentschemesforWirelessSensorNetworks(WSNs)donottakethenetworkcoverageandconnectivityfeaturesintoaccount,aswellastheenergyconsumption.Thispaperintroducestopologycontrolintotheoptimizationdeploymentscheme,establishesthemathe-maticalmodelwiththeminimumsumofthesensingradiusofeachsensors,andusesthegenetical-gorithmtosolvethemodeltogettheoptimalcoveragesolution.Intheoptimalcoveragedeployment,thecommunicationandchannelallocationarefurtherstudied.Thentheenergyconsumptionmodelofthecoverageschemeisbuilttoanalyzetheperformanceofthescheme.Finally,theschemeissimulatedthroughthenetworksimulatorNS-2.Theresultsshowtheschemecannotonlysave36%energyav-eragely,butalsoachieve99.8%coveragerateundertheconditionof45sensorsbeingdeployedafter80iterations.Besides,theschemecanreducethefivetimesinterferenceamongchannels.