Blind iterative decision-feedback multiuser detection of FEC-coded CDMA signals

Abstract

A blind, decision-feedback multiuser detector was proposed for code division multiple access (CDMA) systems. The detector used a combination of blind minimum output energy (MOE) detector into the training-based iterative parallel decision-feedback detector for this purpose. An algorithm based on the concept of adaptive decision feedback detection was also used. Simulation based results show that the bit error rate (BER) performance of the blind detector were in comparison with the training based detectors.