Abstract

A sensor-enabled and RFID-integrated, Wireless Data Acquisition System (WDAS) that has similar functionality as multiple input multiple output (MIMO) systems for health-care applications has been developed, simulated and implemented. The system can accept various measurements via sensors placed on patients or elders and transmit information wirelessly to base station at a remote location. A microcontroller is used to control and process the signals submitted from sensor-enabled RFID devices using sequential logic. Processed signals are then sent to single receiver and transmitter pair instead of conventional MIMO antenna systems. This reduces the cost significantly in comparison to existing systems. It has been shown that the data transmitted from measurement locations can be acquired at the base station located 20 mile away. Data acquisition system (DAQ) is used to determine the measured value, apply the required statistics and display information to health-care professional at the base station. The system developed can be used for health-care applications including nursing homes in rural areas where access is difficult.

Highlights

  • The recent developments in technology enabled professionals to use real time wireless data acquisition (WDAS) technology in several areas including structural health monitoring and security systems, manufacturing plants, and health-care applications [1,2,3]

  • Sensor-enabled RFID device is used with a portable Wireless Data Acquisition System (WDAS) that can accept multiple measurements via sensors placed on patient or elder and transmit the measured signals wirelessly to base station which is located 20 mile away from the measurement point

  • The base station where receiver and data acquisition system (DAS) with all the hardware and software are located inside a closed structure where power was available

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Summary

Introduction

The recent developments in technology enabled professionals to use real time wireless data acquisition (WDAS) technology in several areas including structural health monitoring and security systems, manufacturing plants, and health-care applications [1,2,3]. Multiple input and multiple output (MIMO) systems usually require several antennas at the transmitted and receiver locations This adds another challenge to the system implementation by increasing the circuit complexity and its associated cost. DAQ system is used to determine the measured values, calculate of statistics to predict the behavior of the physical variables that are being measured, and display the results to health-care professionals This system is general-purpose long-range low cost WADS that has same functionality as MIMO and can be used in applications including health-care, and structural health monitoring.

Wireless Tranmitter 3
Implementaion and Simulation
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Measurement Results
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