1. D. Zugao, S. H. I. Jihong, Z. Rong and L. Yijun, Routing algorithm for wireless sensor networks with optimal cluster-heads, Journal of Computer Applications, Vol. 32, No. a01, pp. 32–35, 2012.
2. J. Yick, B. Mukherjee and D. Ghosal, Wireless sensor network survey, Computer Networks, Vol. 52, No. 12, pp. 2292–2330, 2008.
3. I. F. Akyildiz, W. Su, Y. Sankarasubramaniam, et al., A survey on sensor networks, IEEE Communications magazine, Vol. 40, No. 8, pp. 102–114, 2002.
4. Z. Yi, L. I. Yun, Z. J. Liu, et al., Cluster-head selection enhancing algorithm based on energy for wireless sensor networks, Journal of Chongqing University of Posts and Telecommunications, Vol. 5, p. 024, 2007.
5. C. Yu, S. Deng, J. Fang and Y. Yu, Optimization of LEACH protocol based on node position and residual energy, Transducer and Microsystem Technologies, Vol. 35, No. 5, pp. 139–141, 2016.