Abstract

Radio Frequency Identification, or RF/ID, is a technique used to identify and track assets. The assets of interest depend on the industry in which it is used. It may be a rail car in the case of the railroad industry,
a circuit board in manufacturing, or a passenger’s baggage in the airline industry. In each case, knowing where the asset is may be of value due to its cost, customer service improvement possibilities, or impact to the process in which it is involved.

Historically, inventory control, regardless of market or industry segment, has been a major problem and financial burden. This holds true, whether one considers the “inventory” tracking required in a manuf acturing plant to meet its production schedule, or in a trucking firm trying to identify the location of a particular customer shipment. In its simplest form, inventory control can be accomplished by identifying parts by part number and/or serial number (or shipment number, etc.), and manually controlling where the parts have been moved. Such an approach is costly and open to human error (such as misplacement, mis-read, incorrect information or digit reversal).

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