However, CARI requires invoking the IFFT process several times per transmitted OFDM symbol.The proposed method requires only two IFFT operations by using time domain modification.

• 此提出的技术用在较少的候选数目时会比较优良，不但可以简化系统而且也不会牺牲掉错误率，这些结果最后都会用电脑把它模拟出来。