EURASIP Journal on Wireless Communications and Networking

Table 1 Operation complexity of the second step

From: Joint multiband signal detection and cyclic spectrum estimation from compressive samples

	FAM	CS-FAM
Down conversion	2LN	2KL
Cross multiplication	LN ²	$L \sum_{i = 1}^{N_{g}} b_{i}^{2}$
FFT	$N^{2} \frac{L}{2} log (L)$	$\frac{L}{2} log (L) \sum_{i = 1}^{N_{g}} b_{i}^{2}$

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