基于Cauchy-Schwarz不等式的实用位同步算法

A New Practical Synchronization Arithmetic Based on Cauchy-Schwarz Inequation

简要介绍了正交频分复用 (OFDM)系统中目前常使用的基于最大后验概率 (MAP)的同步算法 ,并提出和证明了一种新的基于欧氏空间Cauchy Schwarz不等式的实用同步算法。对这两种同步算法进行了计算机仿真对比。仿真结果显示 。

In this paper, MAP, a traditional synchronization method for an OFDM system, is analyzed first. Then a simplified and practical synchronization method is presented for this kind of system, which is convenient for realization with DSP. The simulations show that this Cauchy Schwarz inequation based arithmetic can be used to synchronize an OFDM system in slowly fading radio channels and has a better performance than MAP.\;