Problem formulation ypical scenarIo: Continuous scanning in realistic settings, i.e., using a mobile reader to identify a large volume of tags deployed over a wide area The tags are continuously placed with a uniform or nonuniform density Performance metrics: Time efficiency Energy efficiency Coverage ratioProblem Formulation • Typical scenario: – Continuous scanning in realistic settings, i.e., using a mobile reader to identify a large volume of tags deployed over a wide area. – The tags are continuously placed with a uniform or nonuniform density. • Performance metrics: – Time efficiency – Energy efficiency – Coverage ratio