Multi-user detection of DS-CDMA based on PSO-ICA

Television channel spectrum sensing using independent component analysis

“…The ICA does not require any prior information about the sources or their environment, which makes it a powerful tool in several fields of applications. In [10, 17–19] was shown that the ICA is somewhat resistant to noisy environments, which makes it a good fit to solve issues on underused portion of the spectrum.…”