Abstract
This article details the use of an acceleration measuring system which can transmit in real-time sensor data through UHF RFID to a computer. Existing methods of real-time transmission of sensor data rely on power-intensive Bluetooth or Wi-Fi technologies which result in devices that require large bulky batteries, this causes the overall device size to be high and thus can potentially cause issue during use. By harnessing status flags within a specific UHF RFID chip and custom reader software conforming to the EPC GEN2 standard, continuous streaming data rates of 5.2KBps were achievable. These enhanced data rates were shown to be reliable up to a range of 2.4M with above 99.99% data integrity. The power consumption of this methodology was found to be below 2mW during full power continuous transmission. In summary this article outlines and lays the foundation for the use of UHF RFID to deliver sub-2mW low latency, high reliability streaming methods within the domain of on body transmission.
Highlights
T HIS use of electronic sensors for the diagnosis and treatment of medical conditions has seen major developments in the last 30 years with innovations such as smartwatches and fitness trackers
Current industry standards revolve primarily around using common wireless communications methods such as Bluetooth Low Energy [1] and WIFI [2], which have been proven sufficient in regard to the transmission of data but are poor when viewed within the power domain
The communication section outlines the specific way the Ultra-High Frequency (UHF) Radio Frequency Identification (RFID) technique is used to achieve the speeds and reliability needed for streaming the sensor data
Summary
Abstract—This article details the use of an acceleration measuring system which can transmit in real-time sensor data through UHF RFID to a computer. By harnessing status flags within a specific UHF RFID chip and custom reader software conforming to the EPC GEN2 standard, continuous streaming data rates of 5.2KBps were achievable. These enhanced data rates were shown to be reliable up to a range of 2.4M with above 99.99% data integrity. In summary this article outlines and lays the foundation for the use of UHF RFID to deliver sub2mW low latency, high reliability streaming methods within the domain of on body transmission
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