A Novel SLM Scheme for PAPR Reduction in OFDM Systems

Table 2

Computational complexity of the conventional SLM and the novel SLM schemes when 𝑁=256 and 1024.

	Conventional SLM, 𝐾=34	Novel SLM, 𝐾=5	CCRR	Conventional SLM, 𝐾=70	Novel SLM, 𝐾=7	CCRR
IFFTs	34	5		70	7
	𝑁=256
Complex multiplications	34,816	2,048	94.1%	71,680	2,560	96.4%
Complex additions	69,632	15,360	77.9%	143,360	28,160	80.4%
	𝑁=1024
Complex multiplications	174,080	9,216	94.7%	358,400	11,264	96.9%
Complex additions	348,160	63,488	81.8%	716,800	114,688	84.0%