Using the concept of constant envelope(CE),a novel modulation scheme CE-OFDM-CPM is proposed in this paper. The PAPR of OFDM-CPM can be reduced to 0 dB.

• 利用恒包络的概念提出一种新的CE-OFDM-CPM调制方案,可以把OFDM-CPM系统的PAPR降至零分贝。