异构网络中基于能效的子信道与功率控制策略

Sub channel and power control strategies based on energy efficiency in heterogeneous networks

为解决未来无线异构网络中基于能效的功率分配问题,对整个无线网络的子信道分配和功率控制分别进行研究。依据各子信道平均分配功率提出子信道分配策略,采用非合作博弈模型分布式解决功率控制问题,通过分布式求解和迭代,直至整个无线网络能效达到收敛并得到最优解。仿真结果表明,利用所提策略与现有的轮询子信道联合迭代注水算法相比,在提升能效方面的效果更优。

To resolve the energy allocation problems based on energy efficiency in future wireless heterogeneous networks,the sub channel allocation and power control of the whole wireless network were studied separately.The sub channel allocation strategy was proposed according to the average power allocation of sub channels.The non-cooperative game model was adopted to solve the power control problem.The energy efficiency of the whole wireless network was convergent and the optimal solution was obtained through distributed solution and iteration.Simulation results show that the proposed method has better results in improving energy efficiency compared with existing RRS and IWF algorithm.