这篇文章提出了一个快速的增益控制计划，基于LTE系统。通过仿真表明这个计划有很好的收敛性，并且适合稳定性操作。-In this paper, we propose a fast automatic gain control (AGC) scheme for initial cell search in long term evolution (LTE) time division duplex (TDD) system.we show that the proposed method can