Patent ID: 8154409

Claim:
A method of operating a plurality of reader antennae, the method comprising the steps of: determining a priority order of the plurality of reader antennae; and setting a polling sequence for reading the plurality of reader antennae according to the priority order determined in said determining step; wherein said determining step further comprising the steps of: assigning a preference level to each of the plurality of reader antennae; and deriving a priority order based on the preference levels assigned to each of the plurality of reader antennae; wherein said assigning step comprises assigning preference levels based on products detected by each of the plurality of reader antennae; wherein said assigning step comprises the steps of: calculating for each of the plurality of reader antennae a probability that a detected product will be moved from a predetermined location; and assigning a preference level to each of the plurality of reader antennae based on the probability calculated.