Minh Thiep Ha, Trong Duc Le, Hyunseung Choo. Employing a novel two tiered network structure to extend the lifetime of WSNs. In 2009 IEEE Wireless Communications and Networking Conference, WCNC 2009, Proceedings, Budapest, Hungary, 5-8 April 2009. pages 2408-2413, IEEE, 2009. [doi]
Abstract is missing.