Technology developed by researchers at Missouri University of Science and Technology (Missouri S&T, formerly the University of Missouri - Rolla) in Rolla, Missouri significantly increases read rates, reduces read errors, and improves system coverage in RFID systems which are used in a wide variety of applications from security systems to inventory management. Missouri S&T is currently seeking partners to commercialize the patent pending technology which eliminates RFID signal collision by employing two different schemes to adjust RFID reader power in response to interference levels.
Developed by a team of researchers led by Dr. Jagannathan Sarangapani, the technology uses distributed adaptive power control (DAPC) and probabilistic power control (PPC) schemes to adjust RFID reader power output in response to interference levels caused when multiple RFID readers try to read RFID tags and by RFID antennae in close proximity to each other. This interference, called signal collision, can result in lower read rates, higher read errors, and poor system coverage which greatly reduce the efficiency and effectiveness of RFID systems. Used in a wide variety of applications from security systems to inventory management , RFID systems hold the promise of creating new capabilities, reducing costs, and improving productivity for businesses.
Missouri University of Science and Technology, referred to as Missouri S&T, is part of the University of Missouri system. Missouri S&T is Missouri's premiere science, engineering, and technology university and one of the top technology universities in the nation. The Office of Technology Transfer and Economic Development serves as the focal point for entrepreneurship, economic development, technology transfer, and technology commercialization within Missouri S&T.
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