An energy-efficient data gathering algorithm to prolong lifetime of wireless sensor networks. - Yihua Zhu 001; Wan-deng Wu; Jian Pan; Yiping Tang (Comput. Commun., 2010)

Energy-efficient Tree-based Message Ferrying Routing Schemes for Wireless Sensor Networks. - Yihua Zhu 001; Wan-deng Wu; Victor C. M. Leung (Mob. Networks Appl., 2011)