Tung-Wei Kuo, Ming-Jer Tsai. On the construction of data aggregation tree with minimum energy cost in wireless sensor networks: NP-completeness and approximation algorithms. In Albert G. Greenberg, Kazem Sohraby, editors, Proceedings of the IEEE INFOCOM 2012, Orlando, FL, USA, March 25-30, 2012. pages 2591-2595, IEEE, 2012. [doi]
Abstract is missing.