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Omni-ID broadens its active tag product line ••• Tego releases multi-platform operating system ••• Proximity Technologies launches suite of Bluetooth beacon products ••• Smartrac announces partnerships with Plastilam, Catalyst ••• AIM publishes guidance on data content and structure for passive tags ••• Atlas RFID Solutions opens new Asian office.
By Beth Bacheldor

AIM Publishes Guidance on Data Content and Structure for Passive Tags

AIM, a global industry association for the automatic identification industry, has announced the release of "Guidance on Data Content and Structure in Passive Tags," a document designed to help system integrators select the best options when installing RFID tag systems to identify objects. According to AIM, the guidelines document is intended to assist RFID tag system implementation and compatibility.

While AIM notes that the concept of storing data and identifying objects with an RFID tag is not new, research has shown that many companies still do not fully understand the implications of tag numbers, the potential for problems, or how and where to obtain a unique number that works in their respective environments. Because of this, the organization explains, the members of AIM's RFID Experts Group decided to write and publish a comprehensive guideline that provides a better understanding of options, along with components to detail numbering standards that currently exist, and which resources offer the best compatibility of numbering for an organization.

Each section in the guideline includes a high-level description followed by more in-depth discussion; detailed technical information can be found in the annexes. The guideline explains the various options for encoding data on a passive RFID tag to ensure unique identification and system integrity. It also offers explanations of the various issuing agency codes (IACs) that help provide uniqueness, and the possibilities for representing an application's data using application identifiers (AIs), data identifiers (DIs), text element identifiers (TEIs) and proprietary methods. RFID encoding methods (for example, as defined in the ISO 15962 standard) are briefly discussed in later sections.

In addition, the guideline explains how an RFID tag's memory structures can be used to identify an item that has a tag attached to it. It describes methods of structuring data in an RFID tag in both standardized open-systems and proprietary closed-loop systems, and helps to distinguish between open and closed-loop systems. The guideline does not address data content for active RFID tags.

A copy of the publication for $200 can be purchased through the AIM Marketplace.

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