In broadband communication systems,such as WCDMA,memory effects of RF power amplifiers(PAs)are significant and memoryless predistortion techniques cannot linearize PAs effectively.

• 在WCDMA等宽带通信系统中,射频功率放大器记忆效应明显,传统的无记忆预失真技术无法达到理想的线性化效果。