Flexible and reconfigurable system on chip for wireless sensor network

This paper proposed a reconfigurable and flexible SoC architecture for various applications of wireless sensor network (WSN). The hardware-software system reconfiguration can be easy done because the systems utilize FPGA based SoC as a platform. The system also supports various network topologies and interfaces. The supported interface consists of I2C, SPI, USART, etc. The main processing system of SoC is based on ARM v7 processor that has high computing capability. The system utilizes Ubuntu 12.04 LTS as operating system. As consequences, we can easily interface the system with many external devices and create various program applications, such as monitoring system, sensor data warehouse, etc. The system has been successfully implemented with communication interface and PH, temperature, and humidity sensors. The system also has been verified using designed monitoring application for PH, temperature and humidity data that are transferred into gateway.

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