1. [1] ETSI TS., “LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation”, (2010).
2. [2] 3GPP TR., “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Mobility Enhancements in Heterogeneous Networks”, (2012).
3. [3] Hasan, M. K., Ismail, A. F., Abdalla, A. H., Abdullah, K., Ramli, H., Islam, S., and Saeed, R. A., “Inter-cell interference coordination in LTE-A HetNets: A survey on self-organizing approaches”, 2013 International Conference on Computing, Electrical and Electronic Engineering (ICCEEE), Khartoum, Sudan, (2013).
4. [4] Saleem, S., and Haneef, M., “A review of techniques to avoid cross-tier and co-tier interference in femtocell networks”, Journal of Engineering Research, 4(3): 57–84, (2016).
5. [5] ETSI TS., “LTE; Evolved Universal Terrestrial Radio Access and Evolved Universal Terrestrial Radio Access Network (EUTRAN): overall description”, (2011).