LTE中基于能效的多小区资源分配算法

Energy Efficiency Resource Allocation for Multi-cell in LTE Network

随着绿色通信的提出,能效优化问题成为研究热点。针对LTE网络多小区联合、负载不均衡的场景,提出了基于能效的多小区资源分配算法。联合考虑用户的最小数据速率要求、系统能耗,通过引入用户转移时的3个准则,实现了网络的节能和用户最小速率要求的满足。仿真表明,与传统资源分配算法相比,所提算法在满足用户最小速率要求的同时更有效地降低了系统的能耗,优化了系统能效。

With the introduction of green communications, energy efficiency optimization problems become a hot topic. For multi-cell joint LTE network and load imbalance, a multi-cell resource allocation algorithm based on energy efficiency is proposed. Considering the user＇s minimum data rate requirements and system energy consumption, by introducing the three criteria when the user moves to other cell, the network energy-saving and the minimum user rate requirements are met. Simulation results show that, compared with the traditional resource allocation algorithm, the proposed algorithm can not only meet the users＇ requirements of minimum rate but also effectively reduces the system＇ s energy consumption, optimizes the energy efficiency of the system at the same time.