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Hybrid Sensor Module and Data Processing using Low-power Wakeup in WSN
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DOI：10.1109/SENSORCOMM.2010.37.png)
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Abstract
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Due to the development and proliferation of ubiquitous technologies and services, various sensor network applications are being appeared on the stage. The needs for algorithms requiring complex signal processing with a high-performance processor such as digital signal processor are also increased. However, it is difficult to use such processor for the low-power sensor network operating with a battery because of power consumption. This paper proposes and implements hardware and software architecture of the hybrid-type sensor module composed of a low-power sensor module and a high-performance sensor module for the complicated signal processing in the wireless sensor node. Although this approach needs some additional hardware, it results in some improvements in operation time supporting complex algorithms for target detection in the sensor networks.
Keywords:
wireless sensor network
sensor signal processing
hybrid sensor module
low-power architecture
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