Proximity Sensors Inductive proximity sensors Capacitive proximity sensors Magnetic proximity sensors Sensors
Integrated Wireless Propagation Models by William C. Y Lee and David J. Y Lee Wireless Networks Wireless Systems
Ultra-Low-Power and Ultra-Low-Cost Short-Range Wireless Receivers in Nanoscale CMOS by Zhicheng Lin, Pui-In Mak (Elvis) and Rui Paulo Martins Wireless Systems
Technological Breakthroughs in Modern Wireless Sensor Applications by Hamid Sharif and Yousef S. Kavian Wireless Systems