Blind acquisition of digital communication signals

Abstract From the Canadian patent

The digital communications receiver receives an analogue signal modulated , with digital information. The receiver converts the analogue signal to a digital signal, and demodulates the digital signal to recover the complex valued components of the transmitted digital signal. The complex valued components are low pass filtered and passed through an adaptive pre-equalizer filter, to reduce eigen value spread. The filtered complex valued signal is then subject to decision feedback equalisation which operates using a series , of adaptive filters additionally to remove artifacts of inter-symbol interference. The resulting filtered and equalized complex valued signal is then converted to a …