An automatic equalization method, automatic equalization circuit, demodulation circuit or receiver circuit for automatically updating an equalization characteristic required to demodulate a received signal including a training signal of a predetermined pattern transmitted from a transmission side apparatus....http://www.google.de/patents/US20020027952?utm_source=gb-gplus-sharePatent US20020027952 - Method for automatic equalization for use in demodulating a digital multilevel modulation signal and automatic equalization circuit and receiver circuit using the method
