An efficient approach for anti-jamming in IRNSS receivers using improved PSO based parametric wavelet packet thresholding

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Table 5 CC vs JSR comparison for various thresholding functions

Jamming type	JSR (dB)	Soft thresholding	Hard thresholding	Trimmed thresholding	Sigmoid thresholding	Hyperbolic thresholding	SPSO based SSTF
SCWI	30	0.880	0.856	0.886	0.811	0.841	0.901
	40	0.855	0.832	0.870	0.760	0.809	0.882
	50	0.774	0.783	0.802	0.719	0.734	0.812
	60	0.759	0.782	0.802	0.703	0.714	0.810
MCWI	30	0.882	0.840	0.882	0.793	0.841	0.892
	40	0.805	0.792	0.812	0.752	0.770	0.840
	50	0.790	0.784	0.804	0.736	0.750	0.813
	60	0.774	0.785	0.803	0.720	0.737	0.812
CCWI-1	30	0.854	0.875	0.914	0.740	0.799	0.916
	40	0.838	0.864	0.904	0.720	0.774	0.905
	50	0.813	0.861	0.899	0.699	0.749	0.902
	60	0.795	0.852	0.893	0.686	0.723	0.894
CCWI-2	30	0.879	0.893	0.890	0.818	0.838	0.898
	40	0.835	0.852	0.854	0.750	0.776	0.867
	50	0.795	0.823	0.827	0.730	0.756	0.836
	60	0.766	0.775	0.780	0.697	0.724	0.789