| 摘要 |
PURPOSE: A wireless duct area network supplying system based on USN(Ubiquitous Sensor Network) and a method thereof are provided to reduce costs when installing, changing, replacing, and upgrading a automatic building system. CONSTITUTION: A plurality of nodes is installed in a duct in a building. A plurality of the nodes uses the duct as a communication channel. Two nodes are connected in bridges(540,545). The bridges detours a channel blocking element of a wireless duct area network inside the duct. The bridges transceives the signals. |
