MIMO-OFDM系统采样时钟同步的空间分集算法

Sampling Clock Synchronization Algorithm with Spatial Diversity in MIMO-OFDM Systems

采样时钟同步是MIMO-OFDM系统的关键技术。提出了一种MIMO-OFDM系统采样偏差估计的空间分集算法,给出了一种低复杂度、易实现的采样时钟恢复方案,仿真结果表明,该算法在快时变频率选择性衰落信道下能取得良好的同步性能且优于同类其他算法。

Sampling clock synchronization is the crucial technique in MIMO-OFDM systems.The spatial diversity algorithm of sampling offset estimator for MIMO-OFDM systems is proposed.In addition,a lower complexity sampling clock recovery design is proposed.The simulation results show that the performance of the proposed algorithm is perfect in fast time-varying frequency-selective fading channels and superior to other algorithms.