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At present, there are two main ways in enhancing the life time of WSN. The first one is saving energy. Through reducing systematic energy consumption and routing protocol with low energy consumption, the energy will be saved to the greatest extent. The second is to obtain energy from the environment. WSN nodes can gain and store energy from its surrounding environment. As a result, how to effectively collect and store energy from the environment has been taken more and more seriously by researchers. In recent years, scientists have done some research and made some progresses, among which how to make use of solar energy collection machines has become a research focus. The paper puts forward the wireless sensor node design based on solar energy power supply. The experiment shows that the node design has following features. (1) Energy saving. During design, we have given full consideration to energy-saving principles. We have adopted low power consumption devices in each module. Temperature sensor, microprocessor, wireless transceiver are all low power consumption ones. (2) Energy harvester design. The solar energy can be collected to provide lasting energy for the system. It can be applied to various fields, such as data wireless communication systems, military affairs scout, environmental monitoring, and safe precaution systems.
Power Electronics and Intelligent Transportation System (PEITS), 2009 2nd International Conference on (Volume:3 )
Date of Conference: 19-20 Dec. 2009