To mitigate the loss of diversity, we could introduce linear precoding in OFDM systems.We consider the minimization of uncoded bit-error rate (BER) for OFDM with orthogonal precoding.

• 该机制与方法藉由分析生产设备的制程参数资料，计算出一个介于零与壹之间的信心值，以判断虚拟量测系统推估结果是否可以被信赖。