High Performance Wireless Field Measurement System Based on Wireless Sensor Network. - Ping Song; Guangping Qi; Kejie Li; Li Sui (PACIIA (1), 2008)

Formation and obstacle-avoidance control for mobile swarm robots based on artificial potential field. - Ping Song; Kejie Li; Xiaobing Han; Guangping Qi (ROBIO, 2009)

One improved time synchronization based on Ant Colony Optimization and TPSN mechanism. - Guangping Qi; Ping Song; Kejie Li; Chang Chen (ICNSC, 2010)