ADecentralized Hole-Shape Regulation Technique forEnhancing Patrol and Deployment TasksinMobile WSNs

existing mobilesensors topatrol theholebefore the InWireless Sensor Networks (WSNs), aholeisformed due redeployment process isinitiated. Someother researches (4)(5) tothenon-uniform deployment, nodesfailure, andsome exploit arobot that loadswith static sensornodes toredeploy natural phenomena suchasanimals' residence orfierce wind thesensornodes overtheholeregion. making sensor nodes broken. Theexistence ofaholereduces When theWSN exists ahole, nomatter therobot ormobile sensors apply theexisting redeployment policies (4)(5) or maintaining thetemporal fullcoverage. However,an This paper first proposes aconcept that theholeshape can irregular holeresults intheredeployment andpatrolling bechanged in amobile WSN.Thentheproperties ofregular tasks inefficiency. This protocol proposes anovel mechanism,andirregular holes arediscussed andcharacterized. Based on called HONOR,tonormalize anirregular holeinamobile these discussions, we develop aholeregulation mechanism, WSN.Mobile sensors that detect theholecooperate witheach called HONOR,that changes theshape ofanirregular hole to other toregularize theirregular holeinadistributed manner. a regular oneina distributed manner. Therefore, the Asaresult, theefficiency ofrobot's redeployment andthe movements oftheexisting mobile sensors canregularize the mobile sensors'patrol aresignificantly improved. Simulationholesothat theredeployment oftherobot orthepatrolling of results reveal that HONOR efficiently regularizes thehole mobile sensorscanbeexecuted ina moreefficient way. shape andtherefore savesenergyconsumption anddtelay shapeandtherefore savesenergyconsumption anddelaySimulation results reveal that HONOR significantly improves timerequired fortherobot 'sredeployment andthemobile theperformance ofredeployment andpatrol intermsofthe sensors'patrol.