Abstract
The use of FPGAs in the design of wireless sensor networks can improve the processing system performance so as to develop sensor nodes with powerful embedded processor. In fact, FPGA has a super-parallel processing capacity in data processing and its use and configuration is flexible. This allows intensive digital signal processing tasks like Fast Fourier Transforms to be implemented on the sensor node and this can even support intelligent applications and new security algorithms. This paper presents a wireless sensor network system that monitors and visualizes periodically the environment temperature. The proposed system consists of a base station node based on an FPGA DE2-70 and five sensor nodes having the architecture of the System-on-Chip CC2430.
Highlights
The use of wireless sensor networks (WSNs) has risen in last years
Our application is composed by two modules “Node()” and “FPGADE270()”
The “Node()” moduleis executed on the end devicenodes, while the “FPGADE270()” module is executed on the base stationnode CC2430(bs) linked to the Field Programmable Gate Arrays (FPGAs) DE2-70
Summary
The use of wireless sensor networks (WSNs) has risen in last years. That is why more applications have been developed in order to solve several problems in data acquisition and environment control. These nodes must be capable of sensing, processing and communicating physical parameters like temperature and pressure through the global wireless network. This paper focuses on the design of a WSN to acquire the temperature from some autonomous nodes. It introduces the use of the FPGA DE2-70 in this application field.
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