On Optimal Detectors in Multiuser Detection Problems |
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Authors: | Burnashev M V |
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Affiliation: | (1) Institute for Information Transmission Problems, RAS, Moscow |
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Abstract: | The paper is a supplement to 1]. Conditions under which asymptotically optimal detectors are linear are found. It is shown also that if, in contrast to 1], we consider not the Bayesian but minimax statement of the problem with unknown coefficients, then optimal detectors are linear (moreover, nonasymptotically). A geometrical meaning of Theorem 1 from 1] is explained, and it is shown that the theorem follows from some general results 2, 3] on hypotheses testing. It is also shown that some results of 4] follow from 1, Theorem 1]. |
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