The Sleeping Mode Algorithm Based On LTE Base Station

With the current network architecture,80%of the energy of the mobile communication system is consumed by the radio access network,and the base station side occupies the largest proportion.The base station sleep mode is the most effective and convenient measure of the base station energy saving,Promising strategy,and now the focus of green communication research.The main idea is that when the base station is in a low load period does not affect the network needs to shut down to reduce energy consumption.Different sleep strategy,the fundamental purpose is to not affect the business needs on the basis of more base stations in a dormant state,thereby reducing energy consumption.Based on the previous research results of base station sleep mode,the algorithm of base station dormancy is given,and its performance is compared and analyzed.This paper first introduces the research background of the paper and the current research situation of energy efficiency at home and abroad.And then through the LTE two key technologies-OFDM and MIMO research and simulation,for the back of the study and study the foundation.For the base station sleep mode,an energy consumption model of the sleep mode is established.In order to make the base station into the sleep mode as much as possible,an improved ant colony algorithm is proposed.In the base station state initialization phase,the number of users per base station and the adjacent base station The results show that the improved algorithm is superior to the traditional distributed algorithm in performance,and then the performance of the algorithm is better than that of the traditional distributed algorithm.Finally,in order to avoid the frequent opening and closing of the base station during the operation of the hibernation algorithm,this paper proposes a mathematic model based on the logarithmic growth of the sleep window and establishes the mathematical model for the performance of the algorithm.In comparison with the classical three sleep window,The algorithm has a significant improvement in average latency,and has an advantage over average energy consumption.