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- W2188290799 abstract "Thispaperaddresses theissue ofrecognizing and distinguishing amongQPSK modulated signal variants suchas QPSK, OQPSK and -DQPSK,fromthesamples ofreceived 4 noisyandfadedPSK signal. Theproposed algorithm isbased oncomputation ofrelative Euclidean distance andrelative phase difference amongthereceived symbolsina frame.Constant Modulus(CM)equalization isperformed priortorecognition. Simulation results showthatproposed methodcanperform recognition taskwithhighaccuracy evenatlowSignal toNoise Ratio(SNR)values andemploying reasonably smallnumberof datasamples. Tothebestofourknowledge anymethodfor distinguishing amongQPSK variants hasnotbeenreported in literature. Index Terms-Automatic BlindModulationRecogni- tion(ABMR),MeanSquare Errorpower(MSE),Threshold on Moment(ToM),Constant ModulusAlgorithm (CMA),Tapped DelayLinefilter (TDL),relative Euclidean distance, relative phasedifference." @default.
- W2188290799 created "2016-06-24" @default.
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- W2188290799 date "2006-01-01" @default.
- W2188290799 modified "2023-09-27" @default.
- W2188290799 title "Blind Adaptive Recognition ofDifferent QPSK Modulated SignalsforSoftware Defined Radio Applications" @default.
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