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Largest RFID File-Tracking System Goes Live in Qatar
The new system in place at Qatar Public Prosecution replaces an existing RFID solution to provide greater coverage with fewer readers, and to offer fast data capture, storage of data if a network goes down and real-time alerts in the event of unauthorized case file removals.
Apr 16, 2018—
The Qatar Public Prosecution (QPP) office in Doha has launched what it bills as the largest RFID-enabled file-tracking deployment in the world. With 1,006 read points spread across a 46-story tower, the system enables the office to track the movements and locations of 70,000 files down to a particular corridor, office or stairwell. The ultrahigh-frequency (UHF) RFID solution was provided by OGTech Technology Solutions, a Middle-east distributor and systems integrator, using RFID technology provided by Feig Electronics. Local integrator Qatar Computer Services installed the system.
The Qatar prosecutor's office and courthouses already use UHF RFID technology. In fact, a solution was installed in 2012 that enabled the tracking of every case file, either at prosecutors' offices or in the courthouses premises (see Qatar's Public Prosecution Office Cuts File Search Time by 60 Percent). However, says Khaled Mohamed, OGTech's regional manager, when the prosecutor's numerous offices consolidated to a single, much larger site, the agency began seeking a new RFID-based system that would be more cost-effective in its larger space, as well as provide greater read accuracy and security at the building's entrance and exit.
QPP's original system was installed within a 14-floor building, so the square footage of the new location would require considerably more RFID read points. This, the agency reports, would be a challenge with the existing infrastructure, which consisted of UHF RFID readers using linear antennas that required two antennas to be oriented so as to face into each read zone. Additionally, each reader had a four-port maximum. That meant each reader could provide only two read zones—and because the existing readers continuously interrogate tags within their vicinity, even if they are unmoving, the volume of read data caused heavy traffic on the network.
There were also shortcomings when it came to using RFID technology at the front doorways. QPP requires high security at its egresses, in order to ensure that no files are removed from the building without authorization. With the first RFID system, however, the alerts that would be prompted by a tag read were often slow—so slow, in fact, that the alert would not be sounded until the individual removing the file had already exited. OGTech worked with QPP to develop a solution that would resolve all of these challenges.
The Feig readers are designed to accommodate as many as 256 antennas, Mohamed says, though the deployment uses approximately 11 antennas per reader. The new readers' circular antennas enable a deployment to use just a single antenna for each read point. As a result, the team was able to install 1,006 read points with only 143 readers.
The system utilizes the existing UHF RFID labels attached to files. As more files are commissioned, however, the QPP office can print each new label (provided by Smartrac) on a Zebra Technologies printer. There are, on average, 300 to 500 new files created daily, covering everything from traffic violations to felonies across the country.
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