Abstract
Low cost multiple input multiple output (MIMO) Wireless Data Acquisition System (WDAS) for long range operation has been developed, simulated and implemented. The reference input and output measurement circuits for various sensors to measure strain, vibration and temperature have been designed, and integrated. Low cost microcontroller is used to process and condition the signals that are acquired from measurement circuits. The sequential logic is used to capture and transmit the measurement signals using single receiver and transmitter pair instead of conventional MIMO antenna systems. This reduced the cost significantly. The wireless communication has been established and data acquired from sensors within 20 mile of distance. The acquired data is then processed at the base station using data acquisition system (DAS). The system that is developed can be used for structural health monitoring, or medical applications in rural areas where access is difficult.
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