WSNs

WSNs　　Wireless Sensor Networks 無(wú)線傳感器網(wǎng)絡(luò)(WSN) 　　Wireless Sensor Networks (WSNs) are composed of a large number of communication nodes with limited sensing， processing and computational capabilities。 These nodes， developed at a low cost and in small size ，can be randomly deployed across the monitored area， providing dense sensing close to physical phenomena， processing and communicating this information， and coordinating actions with other nodes。 　　Recent advances in wireless communications and electronics have enabled the development of low cost， low power， multifunctional sensor nodes that are small in size and communicate untethered in short distances。 These tiny sensor nodes， which consist of sensing， data processing， and communicating components， leverage the idea of sensor networks。