Adaptive Step Size Gradient Ascent ICA Algorithm for Wireless MIMO Systems

Table 4

Performance comparison of the OBAICA, FastICA, and ASS-GAICA algorithms for QAM-modulated signals.

Performance measure	OBAICA	FastICA	ASS-GAICA
SIR (SNR = 10 dB, L = 1000)	33.0	36.401	38.3209
SIR (SNR = 0 dB, L = 100)	7.780	9.401	10.3209
ESTD (SNR = 10 dB, L = 1000)	0.19279	0.18043	0.1706
ESTD (SNR = 0 dB, L = 100)	0.310859	0.39004	0.40293
Norm-WA (SNR = 10 dB, L = 1000)	1.29	1.17	1.01463
Norm-WA (SNR = 0 dB, L = 100)	1.98017	1.710017	1.279
SER (SNR = 10 dB, L = 1000)	0.0084	0.0069	0.0045
SER (SNR = 0 dB, L = 100)	0.094	0.0719	0.0235