1  N. Bhushan, J. Li, D. Malladi, R. Gilmore, D. Brenner, A. Damnjanovic, R. T. Sukhavasi, C. Patel, and S. Geirhofer, “Network densification: the dominant theme for wireless evolution into 5g,” IEEE Communications Magazine, vol. 52, no. 2, pp. 82-89, February 2014.
b (Rb2H1+pacT )  M. Kamel, W. Hamouda, and A. Youssef, “Ultra-dense networks: A survey,” IEEE Communications Surveys Tutorials, vol. PP, no. 99, pp. (20) 1-1, 2016. [OpenAIRE]
 D. Loˆpez-Pe`rez, M. Ding, H. Claussen, and A. H. Jafari, “Towards 1 gbps/ue in cellular systems: Understanding ultra-dense small cell (21) deployments,” IEEE Communications Surveys Tutorials, vol. 17, no. 4, pp. 2078-2101, Fourthquarter 2015. [OpenAIRE]
 J. Andrews, F. Baccelli, and R. Ganti, “A tractable approach to coverage and rate in cellular networks,” Communications, IEEE Transactions on, vol. 59, no. 11, pp. 3122-3134, November 2011.
 S. M. Yu and S.-L. Kim, “Downlink capacity and base station density in cellular networks,” in Modeling Optimization in Mobile, Ad Hoc Wireless Networks (WiOpt), 2013 11th International Symposium on, May 2013, pp. 119-124.
 J. Park, S. L. Kim, and J. Zander, “Asymptotic behavior of ultrae b H2uRc2 ) dense cellular networks and its economic impact,” in 2014 IEEE Global (22) Communications Conference, Dec 2014, pp. 4941-4946.
 Y. Yang and K. W. Sung, “Tradeoff between spectrum and densification for achieving target user throughput,” in 2015 IEEE 81st Vehicular Technology Conference (VTC Spring), May 2015, pp. 1-6.
 X. Zhang and J. G. Andrews, “Downlink cellular network analysis with multi-slope path loss models,” IEEE Transactions on Communications, b H2lRc2 ): vol. 63, no. 5, pp. 1881-1894, May 2015.
 J. Liu, M. Sheng, L. Liu, and J. Li, “Effect of densification on cellular (23) network performance with bounded pathloss model,” IEEE Communications Letters, vol. PP, no. 99, pp. 1-1, 2016.
 D. Stoyan, W. Kendall, and J. Mecke, Stochastic Geometry and Its Applications. John Wiley and Sons, 1996.