Energy consumption Wireless sensor networks 7 Sensor networks 4 Routing protocols (Computer network protocols) 2 Wireless communication systems 2 Body area networks (Electronics) 1 Computer network protocols 1 Design and construction 1 Economic aspects 1 Energy conservation 1 Equipment and supplies 1 Microelectromechanical systems 1 Programming 1 Routers (Computer networks) 1 Routing (Computer network management) 1