Discrete Multiwavelet Critical-Sampling Transform-Based OFDM System over Rayleigh Fading Channels

Table 3

Comparison of computational complexity for the DMWCST, oversampling DMWT, DWT, and FFT transforms.

	DMWCST		Oversampling DMWT		DWT		FFT
	32	272	304	544	608	256	192	320	480
64	544	608	1088	1216	512	384	768	1152
128	1088	1216	2176	2432	1024	768	1792	2688
256	2176	2432	4352	4864	2048	1536	4096	6144
512	4352	4864	8704	9728	4096	3072	9216	13824
1024	8704	9728	17408	19456	8192	6144	20480	30720