A Distributed Energy-efficient in Femtocells Works and Power Management

Energy Efficiency has become a critical metric in the current wireless communication and network because the energy spent for operating the networks is more. In particular, the base station is the most energy consuming part of a mobile network. This proposes an energy efficient Femtocells Power management scheme for enterprise environment.In order to achieve Power saving, this use the sleep mode and early handover of Femtocells and propose two stages femtocell Power management scheme based on self-configured Power setting and self-optimized Power setting.The maximization of energy efficiency of downlink OFDMA macro-femto networks.Both the transmit Power constraint of femto base stations and the SINR thresholds of femto users and macro users are considered.To decrease the computational complexity joint subchannel and Power allocation are decomposed into two steps and a distributed resource allocation scheme is proposed to resolve the resource allocation problem.