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Exact analytical expression of schmidl-cox signal detection performance in AWGN

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2 Author(s)
Erseghe, T. ; Dipt. di Ing. dell''Inf., Univ. di Padova, Padova, Italy ; Vangelista, L.

In this letter we investigate the performance of Schmidl-Cox signal detection, a widely used approach in practical OFDM systems whose performance is usually evinced by resorting to Gaussian approximations. We show that, by a slight modification of the normalization factor, we are able to derive a basically equivalent approach whose performance can be expressed in exact analytical form. A particularly simple expression is found for the false alarm probability, allowing system designers a straightforward selection of optimal parameters.

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Communications Letters, IEEE  (Volume:14 ,  Issue: 5 )