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Comparison of Kurtosis and Fourth Power Detectors with Applications to IR-UWB OOK Systems
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International Journal of Communications, Network and System Sciences·Volume 05 (2011)·Pages 43–49·Published 31 December 2011·DOI10.4236/ijcns.2012.51006
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Abstract
On-off keying (OOK) is one of the modulation schemes for non-coherent impulse radio Ultra-wideband systems. In this paper, the utilization of the kurtosis detector (KD) and fourth power detector (FD) receivers for OOK signaling is introduced. We investigate the effect of integration interval and the optimum threshold on the performance of energy detector (ED), KD and FD receivers. The semi analytic expression of BER is obtained by using generalized extreme value distribution function for KD and FD receivers. From performance point of view, the simulation results show that FD receiver outperforms KD and ED receivers. In contrast, the sensitivity to the optimum threshold is greatly reduced in KD receiver compared to ED and FD receivers.
KeywordsUltra-Wideband (UWB)Non-Coherent ReceiverOOKEnergy DetectorKurtosis DetectorFourth Power Detector
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