The use of a high sampling rate and ternary quantization to improve the performance of the random reference correlator (Corresp.)
F. Lawson, Clare D. McGillem · IEEE Transactions on Information Theory · 1974
The performance of random reference correlators is examined in terms of sample rate and signal-to-noise ratio. A method to improve the performance is suggested that requires three-level quantization. Comparisons are made using weakly correlated jointly Gaussian processes as inputs to the correlator and independent samples in each channel.