Low Power Platform for Wireless Sensor Network

Forming from diversified and mass of sensors, the wireless sensor network (WSN) has become a major field and diversified trend for research gradually in these years for its applications. However, in the wireless environment, the lifetime of network would be limited by the supply of battery devices. Among these, protocol has huge influences to the lifetime of WSN. This paper discusses the advantages of two protocols: routing communication and direct communication and try to use the remaining power of nodes as the determined index to switch between those two protocols which further recommends a new protocol to improve network efficiency. Besides, this paper proposes a self designed sensor node hardware structure with low power and low cost advantages, which would combine the sensor nodes with new protocol into a WSN system with fully functional and human oriented monitoring interface. Via WSN, not only local digital data and image can be obtained, it can also combine with Internet, which can be efficiently used on remote environment control