1. Gungor, V.C., Hancke, G.P.: Industrial wireless sensor networks: challenges, design principles, and technical approaches. IEEE Trans. Industr. Electron. 56(10), 4258–4265 (2009)
2. Tang, X., Juhua, P., Gao, Y., Xiong, Z., Weng, Y.: Energy-efficient multicast routing scheme for wireless sensor networks. Trans. Emerg. Telecommun. Technol. 25(10), 965–980 (2014)
3. Zhang, X., Liang, W., Haibin, Y., Feng, X.: Optimal convergecast scheduling limits for clustered industrial wireless sensor networks. Int. J. Distrib. Sens. Netw. 2012, 1319–1322 (2012)
4. Kumar, A., Baksh, R., Thakur, R.K., Singh, A.P.: Data aggregation in wireless sensor networks. Int. J. Sci. Res. 3(3), 249–251 (2014)
5. Singh, S.P., Sharma, S.C.: A survey on cluster based routing protocols in wireless sensor networks. Comput. Sci. 45(18), 687–695 (2015)