From Wireless Networks for Industrial Automation
RF Database tags are not yet in wide commercial use. The tag
type is the RF Data tag described in Section 7.1.4, but the application
is to hold a database designed to travel between
domains. Eventually, this type of tag will be widely used to
solve a very difficult problem in the integration of data
between companies on both sides of the supply chain.
Simple RFID tags contain a unique number used to identify the
tag. To identity the tagged item, the tag number must be associated
with the item’s identity such as its Stock Keeping Unit
(SKU). That association is found in a database. When the goods
are shipped, the portion of the database describing the shipment,
including the RFID tag number, is sent from the manufacturer
or distribution center (DC) to the customer. For the
customer to use the database, the format must be known. In the
past, the format was defined, in many cases, by a standard
known as Electronic Data Interchange (EDI), a complex encoding
based upon use of Abstract Syntax Notation (ASN.1), an
international standard for defining data structures. Data formats
for interchanging data were defined for many industries
using the standard identified by the...
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