A Novel SLM Scheme for PAPR Reduction in OFDM Systems

Table 6

Computational complexity of the SLM schemes in [5] and the novel SLM schemes when 𝑁=256 and 1024.

	PTS/CSS in [5], 𝑊=4, 𝑆=2, 𝑉=3	Novel SLM, 𝐾=5	CCRR	PTS/CSS in [5], 𝑊=4, 𝑆=2, 𝑉=5	Novel SLM, 𝐾=7	CCRR
IFFTs	3	5		5	7
	𝑁=256
Complex multiplications	8,192	2,048	75.0%	262,144	2,560	99.0%
Complex additions	49,152	15,360	68.8%	5,242,880	28,160	99.5%
	𝑁=1024
Complex multiplications	32,768	9,216	71.9%	1,048,576	11,264	98.9%
Complex additions	196,608	63,488	67.7%	20,971,520	114,688	99.5%