Search results for "QAM"

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MUSIC-LS Modal Channel Estimation for an OFDM-OQAM System

2008

Orthogonal frequency division multiplexing based on offset quadrature amplitude modulation (OFDM-OQAM) signaling over frequency selective multipath channels shows inter-symbol interference (ISI) and Inter-Channel Interference (ICI) that degrade its performance. Channel equalization and channel estimation are needed to combat these intrinsic interferences. In this paper a novel modal channel estimator based on the MUltiple signal classification (MUSIC) and least squares (LS) algorithms for a wideband passband OFDM-OQAM signaling over static multipath channels is presented. The effects of the frequency selective channel on the received signal are described considering a wideband OFDM-OQAM sys…

OFDM-OQAMOrthogonal frequency-division multiplexingComputer scienceSettore ING-INF/03 - TelecomunicazioniSpeech recognitionData_CODINGANDINFORMATIONTHEORYLeast squaresChannel modelingMUSICIntersymbol interferenceInterference (communication)Adjacent-channel interferenceWidebandAlgorithmQuadrature amplitude modulationComputer Science::Information TheoryCommunication channel

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