Fast approximation algorithm for maximum lifetime aggregation trees in wireless sensor networks

Xiaojun Zhu (College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China; State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, China; Collaborative Innovation Center of Novel Software Technology and Industrialization, Nanjing, China), Guihai Chen (State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, China; Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China), Shaojie Tang (Naveen Jindal School of Management, University of Texas at Dallas, Richardson, Texas), Xiaobing Wu (Wireless Research Centre, University of Canterbury, Christchurch, New Zealand), Bing Chen (College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China; Collaborative Innovation Center of Novel Software Technology and Industrialization, Nanjing, China)