Xinyu Chen Michael R. Lyu Ping Guo Voronoi-Based Sleeping Configuration in Wireless Sensor Networks with Location Error. 1459-1464 2008 ICNSC http://dx.doi.org/10.1109/ICNSC.2008.4525450 conf/icnsc/2008 db/conf/icnsc/icnsc2008.html#ChenLG08