Fig. 2
From: Optimized sleep strategy based on clustering in dense heterogeneous networks
SUEs’ SINR CDF. The cumulative distribution function (CDF) of the SUEs’ SINR in the system is shown in Fig. 2. Since the use of the normal strategy which is similar to the one in [15] can improve the SINR performance of SUEs, the interference among small BSs is serious. The proposed strategy claims to share the whole spectrum between the clusters which effectively reduce the co-tier interference in the HetNet system. Therefore, it is more advantageous to improve the SINR performance of the SUEs