[1]	J. Zheng, and A. Jamalipour, "Wireless sensor networks: A networking perspective". John Wiley & Sons, United States, 2009.
                                                                                                                [2]	S. J. Ramson, and D. J. Moni, "Applications of wireless sensor networks - A survey". Proceedings of International Conference on Innovations in Electrical, Electronics, Instrumentation and Media Technology (ICEEIMT), pp. 325-329, 2017.
                                                                                                                [3]	J. Yick, B. Mukherjee, and D. Ghosal, "Wireless sensor network survey". Computer Networks, vol. 52, pp. 2292-2330, 2008.
                                                                                                                [4]	Z. Jiao, H. Wang, and K. Ma, "The connectivity measurement in complex directed networks by motif structure". International Journal of Sensor Networks, vol. 21, 2016.
                                                                                                                [5]	X. Bai, Z. Yun, D. Xuan, T. H. Lai, and W. Jia, "Optimal patterns for four-connectivity and full coverage in wireless sensor networks" IEEE Transactions on Mobile Computing, vol. 9, pp. 435-448, 2010.
                                                                                                                [6]	M. Cardei, and J. Wu, "Energy-efficient coverage problems in wireless ad-hoc sensor networks". Computer communications, vol. 29, pp. 413-420, 2006.
                                                                                                                [7]	S. He, J. Chen, and Y. Sun, "Coverage and connectivity in duty-cycled wireless sensor networks for event monitoring". IEEE Transactions on Parallel and Distributed Systems, vol. 23, pp. 475-482, 2012.
                                                                                                                [8]	M. Rebai, H. Snoussi, F. Hnaien, and L. Khoukhi, "Sensor deployment optimization methods to achieve both coverage and connectivity in wireless sensor networks". Computers & Operations Research, vol. 59, pp. 11-21, 2015.
                                                                                                                [9]	H. Lin, L. Wang, and R. Kong, "Energy efficient clustering protocol for large-scale sensor networks". IEEE Sensors Journal, vol. 15, pp. 7150-7160, 2015.
                                                                                                                [10]	M. Rebai, H. M. Afsar, and H. Snoussi, "Exact methods for sensor deployment problem with connectivity constraint in wireless sensor networks". International Journal of Sensor Networks, vol. 21, 2016.
                                                                                                                [11]	 L. Li, J. Y. Halpern, P. Bahl, Y. M. Wang, and R. Wattenhofer, "A cone-based distributed topology-control algorithm for wireless multi-hop networks". IEEE/ACM Transactions on Networking, vol. 13, pp. 147-159, 2005.
                                                                                                                [12]	S. Misra, S. D. Hong, G. Xue, and J. Tang, "Constrained relay node placement in wireless sensor networks to meet connectivity and survivability requirements". The 27th Conference on Computer Communications, 2008.
                                                                                                                [13]	H. Teng, K. Zhang, M. Dong, K. Ota, A. Liu, M. Zhao, and T. Wang, "Adaptive Transmission Range Based Topology Control Scheme for Fast and Reliable Data Collection", Wireless Communications and Mobile Computing, vol. 2018, 2018.
                                                                                                                [14]	N. Xu, A. Huang, T. W. Hou, and H. H. Chen, "Coverage and connectivity guaranteed topology control algorithm for cluster-based wireless sensor networks", Wireless Communications and Mobile Computing, vol. 12, pp. 23-32,  2012.
                                                                                                                [15]	J. S. Leu, T. H. Chiang, M. C. Yu, and K. W. Su, "Energy efficient clustering scheme for prolonging the lifetime of wireless sensor network with isolated nodes". IEEE communications letters, vol. 19, pp. 259-262, 2015.
                                                                                                                [16]	D. Feng, C. Jiang, C. Lim, L. J. Cimini, G. Feng, and G. Y. Li, "A Survey of Energy-Efficient Wireless Communications". IEEE Communications Surveys & Tutorials, vol. 15, pp. 167-178, 2012
                                                                                                                [17]	M. Garcia, S. Sendra, and J. Lloret, "Saving energy and improving communications using cooperative group-based wireless sensor networks". Telecommunication Systems, vol. 52, pp. 2489-2502, 2013.
                                                                                                                [18]	Z. Chen, M. Ma, X. Liu, A. Liu, and M. Zhao, "Reliability Improved Cooperative Communication over Wireless Sensor Networks". Symmetry, vol. 9, 2017.
                                                                                                                [19]	P. Kumar, M. P. Singh, and U. S. Triar, "A review of routing protocols in Wireless Sensor Network". International Journal of Engineering Research & Technology, vol. 1, 2012.
                                                                                                                [20]	Singh, Santar Pal, and S. C. Sharma. "A survey on cluster based routing protocols in wireless sensor networks." Procedia computer science 45, pp. 687-695, 2015.
                                                                                                                [21]	M. H. Anisi, A. H. Abdullah, S. A. Razak, and M. A. Ngadi, "Overview of data routing approaches for wireless sensor networks". Sensors, vol. 12, pp. 3964-3996, 2012.
                                                                                                                [22]	L. Malathi, and R. K. Gnanamurthy, "Cluster based hierarchical routing protocol for WSN with Energy Efficiency". International Journal of Machine Learning and Computing, vol. 4, 2014.
                                                                                                                [23]	T. Amgoth, and P. K. Jana, "Energy-aware routing algorithm for wireless sensor networks". Computers and Electrical Engineering, vol. 41, pp. 357-367, 2015.
                                                                                                                [24]	G. S. Brar, S. Rani, V. Chopra, R. Malhotra, H. Song, and S. H. Ahmed, "Energy efficient direction-based PDORP routing protocol for WSN". IEEE Access, vol. 4, pp. 3182-3194, 2016. 
                                                                                                                [25]	G. J. Horng, T. Y. Chang, and S.T. Cheng, "An effective node-selection scheme for the energy efficiency of solar-powered WSNs in a stream environment". Expert Systems with Applications, vol. 41, pp. 3143-3156, 2014.
                                                                                                                [26]	L. M. Kaplan, "Global node selection for localization in a distributed sensor network". IEEE Transactions on Aerospace and Electronic Systems, vol. 42, pp. 113-135, 2006.
                                                                                                                [27]	O. Demigha, W. K. Hidouci, and T. Ahmed, "On energy efficiency in collaborative target tracking in wireless sensor network: a review". IEEE Communications Surveys & Tutorials, vol. 15, pp. 1210-1222, 2013.
                                                                                                                [28]	F. R. Armaghani, I. Gondal, J. Kamruzzaman, and D. G. Green, "Sensor selection for tracking multiple groups of targets". Journal of Network and Computer Applications, vol. 46, pp. 36-47, 2014.
                                                                                                                [29]	H. Wang, H. E. Roman, L. Yuan, Y. Huang, and R. Wang, "Connectivity, coverage and power consumption in large-scale wireless sensor networks". Computer Networks, vol. 75, pp. 212-225, 2014.
                                                                                                                [30]	T. H. Cormen, "Introduction to algorithms", MIT press, United States, 2009.
                                                                                                                [31]	R. E. Neapolitan, and K. Naimipour, "Foundations of algorithms", Jones & Bartlett Learning, 2010.
                                                                                                                [32]	G. Chartrand, and P. Zhang, "A first course in graph theory". Courier Corporation, 2012.
                                                                                        				 
                			
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