KeWei-Chieh

The critical-square-grid coverage problem in wireless sensor networks is NP-Complete

KeWei-Chieh, LiuBing-Hong, TsaiMing-Jer, 2011 .

Constructing a Wireless Sensor Network to Fully Cover Critical Grids by Deploying Minimum Sensors on Grid Points Is NP-Complete

KeWei-Chieh, LiuBing-Hong, TsaiMing-Jer, 2007 .