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The Convergence of Technologies in Warehouse and Inventory Management

RFID, RTLS, the Internet of Things and blockchain can drive innovation throughout the supply chain. How will these key technology trends affect warehouse and supply chain operations across various industries?
By Adrian Turchet, Joe Hoerl and Graham Fenton
Jun 16, 2019

The convergence of passive radio frequency identification (RFID) with real-time location system (RTLS), Internet of Things (IoT) and blockchain technologies is driving a new trend of innovation in the supply chain, manufacturing, retail and other vertical markets. As part of that trend, the development of a new generation of RFID readers, tags and software for real-time data, along with the growing ubiquity of sensors, is making the Internet of Everything a reality.

With that in mind, we're entering an exciting time for companies that want to bring visibility and automation to their inventory and assets. Several drivers are bringing the Internet of Everything to companies that have traditionally relied on bar codes or manual-based enterprise data. First and foremost is the development of high-quality UHF RFID tags, overhead RTLS UHF readers and software that simplifies the data, all of which offers opportunities for visibility that markets haven't seen before.

Left to right: Adrian Turchet, Joe Hoerl and Graham Fenton
Let's start with RTLS. Passive RFID can now deliver RTLS functionality with a new level of speed, distance and accuracy. This means that for the first time, readers and tags are providing real-time, location-based, contextual data to users of UHF RFID tags. UHF RFID tags no longer need to be read in portals or by handheld readers to bring tagged items into a company's enterprise system. With an overhead UHF RFID reader, installed dozens of feet above tagged items—and the operations of a factory, warehouse or store—companies are finding that they can view location-specific data about every tagged item, hands-free.

The development of software that can bring a level of simplicity to the system is the third leg in a tags-reader-software equation. Until now, companies have been challenged with using enterprise solutions that can be outdated and inflexible to gain inventory-, asset- or operations-based data. For those adopting RTLS RFID functionality, the right software can provide the link in the middle to make those systems, which have a great deal of complex information, work with legacy enterprise systems.

Without the right solution, the fundamental problem people have is not knowing where millions of dollars' worth of assets are located. Many companies have already had asset-management systems in place for years, but what they haven't had is a view of assets in the Internet of Things. Now, for the first time, businesses can expect up-to-date information that comes automatically and much more readily.

Traditionally, this kind of RTLS solution would require active RFID tags, and the high cost of active tags and battery requirements meant they could only tag high-value items. These days, however, it's possible to apply a tag to a relatively low-cost item. Once you have the infrastructure in place, you can increase the number of items you can track over time.

The value is in ease of use. Passive UHF-based RTLS is low in cost to deploy and enables hands-free solutions to track not just the presence but also the location of assets and inventory. Another feature with the new breed of readers is simple installation. Once a single reader is in place, coverage gives users a bird's-eye view of an entire operation and sees things that were never possible before. For companies leveraging this new technology, this signals a new period of innovation that will allow them to bring functionality to their systems that was previously out of reach financially, or was too cumbersome to deploy.

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