A Novel SLM Scheme for PAPR Reduction in OFDM Systems

Table 3

Computational complexity of the SLM schemes in [10] and the novel SLM schemes when 𝑁=256 and 1024.

	SLM in [10], 𝐾=34	Novel SLM, 𝐾=5	CCRR	SLM in [10], 𝐾=70	Novel SLM, 𝐾=7	CCRR
IFFTs	1	5		1	7
	𝑁=256
Complex multiplications	1,024	2,048	−100%	1,024	2,560	−150%
Complex additions	27,392	15,360	43.9%	55,040	28,160	48.8%
	𝑁=1024
Complex multiplications	5,120	9,216	−80%	5,120	11,264	−120%
Complex additions	111,616	63,488	43.1%	222,208	114,688	48.4%