A Novel SLM Scheme for PAPR Reduction in OFDM Systems

Table 5

Computational complexity of the SLM schemes in [9] and the novel SLM schemes when 𝑁=256 and 1024.

	SLM in [9], 𝐾=38	Novel SLM, 𝐾=5	CCRR	SLM in [9], 𝐾=75	Novel SLM, 𝐾=7	CCRR
IFFTs	1	5		1	7
	𝑁=256
Complex multiplications	10,496	2,048	80.5%	19,968	2,560	87.2%
Complex additions	11,520	15,360	−33.3%	20,992	28,160	−34.1%
	𝑁=1024
Complex multiplications	43,008	9,216	78.6%	80,896	11,264	86.1%
Complex additions	48,128	63,488	−32.2%	86,016	114,688	−33.3%