Sealing Borders with Wireless Sensors
Chen Ai · OhioLink ETD Center (Ohio Library and Information Network) · 2009
4.4 Barrier b 2 's top boundary is coincident with b 1 's bottom boundary. . .4.5 The sensing regions of u 1 and u 2 , represented as s 1 and s 2 , do not overlap except for their boundaries. . . . . . . . . . . . .