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Blind Decision-Directed Parameter Estimation for Energy Detection of PAM Signals | IEEE Conference Publication | IEEE Xplore

Blind Decision-Directed Parameter Estimation for Energy Detection of PAM Signals


Abstract:

In this paper, a novel blind decision-directed estimation approach is presented for systems using energy detection of pulse-amplitude-modulated (PAM) signals. The method ...Show More

Abstract:

In this paper, a novel blind decision-directed estimation approach is presented for systems using energy detection of pulse-amplitude-modulated (PAM) signals. The method provides an accurate blind solution for the estimates of the received signal energy and noise power spectral density which are required for the calculation of the symbol decision thresholds. Numerical results demonstrate that the proposed approach is able to outperform an existing nondata-aided solution. Furthermore, already for relatively short observation intervals, the error rate performance of the proposed method is comparable with the performance of a corresponding data-aided threshold estimator which, unlike the proposed blind approach, needs a redundant training signal.
Date of Conference: 05-09 June 2011
Date Added to IEEE Xplore: 28 July 2011
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Conference Location: Kyoto, Japan

References

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