Title :
On the relative error probabilities of linear multiuser detectors
Author :
Moustakides, George V. ; Poor, H. Vincent
Author_Institution :
Dept. of Comput. Eng. & Inf., Patras Univ., Greece
fDate :
1/1/2001 12:00:00 AM
Abstract :
The relative error probability performance of three linear multiuser detectors-the minimum mean-square error (MMSE) detector, the decorrelator, and the conventional matched filter (MF) detector-is investigated under nonorthogonal signaling and additive white Gaussian noise conditions. It is shown that, contrary to the general belief, the MMSE detector does not uniformly outperform the other two detectors. In fact, even for the two-user case, one can find counterexamples where the matched filter is significantly better
Keywords :
AWGN; decorrelation; error statistics; filtering theory; least mean squares methods; matched filters; multiuser channels; signal detection; AWGN; MMSE detector; additive white Gaussian noise; decorrelator; linear multiuser detectors; matched filter detector; minimum mean-square error detector; nonorthogonal signaling; relative error probabilities; Additive noise; Bayesian methods; Detectors; Error probability; Gaussian noise; Quantization; Sensor fusion; Sensor systems; Signal detection; Signal to noise ratio;
Journal_Title :
Information Theory, IEEE Transactions on
