Approximation of locally optimum detector nonlinearities (Corresp.)
- 1 November 1985
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Information Theory
- Vol. 31 (6) , 835-838
- https://doi.org/10.1109/tit.1985.1057116
Abstract
The problem of finding a detector nonlinearity that maximizes the efficacy (or asymptotic processing gain) over a class of suboptimal nonlinearities is considered. It is shown that this efficacy maximization problem is essentially the same as the problem of finding the minimum-mean-square-error approximation to the locally optimal detector nonlinearity. This result is compared with some intuitive ideas about suboptimal detection.Keywords
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