Power optimization in mobile stations using heterogeneous small cells for green cellular networks

In modern networks, consumers are becoming more and more demanding in terms of the services they require. To explore future technologies in order to bring improvements in the entire network infrastructure has pushed the limits of energy efficiency which leads to Green Communication. At the same time, the demand for higher data rates and the ever-increasing number of wireless users led to rapid increase in power consumption. To overcome these issues, low-power nodes (LPNs), such as micro base stations (eNodeBS, or eNBS), pico eNBS, home eNBS (femtocells), relays and distributed antenna systems (DAS) or remote radio heads (RRHs) are introduced throughout the macro cell network which forms a heterogeneous topology to enhance coverage and system capacity. The multi-hop relay communication can be used to improvise the range of the existent cells and analyze the power saving as well as the performance metrics of the network. A heterogeneous network topology is proposed and compared based on battery utilizations with an existent network scenario and relay strategy.