SYMBOL SAMPLING TIME DETERMINATION OF A HARD DECISION RADIO RECEIVER

摘要

A method and apparatus for improving bit error performance within a hard decision radio interface processing environment is provided, whereby a sampling unit collects a number of samples per channel symbol of an input signal to generate a number of sampling streams, and a correlator computes a correlation value of each of the number of sampling streams with a predetermined bit sequence. The correlation values are fed into a threshold comparator which utilizes a variable threshold value to generate threshold comparator values or trigger output values. By examining a set of trigger output values, a phase decision unit determines the optimum sampling timing or sampling phase.