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Table 1 Computational complexity of RNS and PTS by the number of equivalent real additions

From: A PAPR reduction scheme with residue number system for OFDM

PAPR reduction schemes

RNS

PTS

Equivalent real additions of IFFT

21V N log2N

11M N log2N

Additions of all phrase factors

-

2(M−1)WM−1N

Computation of PAPR

9V N

9WM−1N

Number of equivalent real additions

21V N log2N+9V N

11M N log2N+(2M+7)WM−1N

N=2,048,V=3,W=2,M=8

1,474,560

8,011,776