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Power and Spectrally Efficient Multiple Access Using CPM over SC-FDMA

In this paper, we investigate the power efficiency and bit error rate performance of two spectrally efficient CPM-SCFDMA (Continuous Phase Modulated Single Carrier Frequency Division Multiple Access) waveforms. CPM-SC-FDMA is derived by sampling a Continuous Phase Modulated (CPM) waveform and then D...

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Main Authors:	Wylie-Green, Marilynn P., Svensson, Tommy, Perrins, Erik
Format:	Conference Proceeding
Language:	English
Subjects:	Bit error rate Convolution Convolutional codes Electronic mail Frequency conversion OFDM modulation Peak to average power ratio Phase modulation Power amplifiers Sampling methods
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creator	Wylie-Green, Marilynn P. Svensson, Tommy Perrins, Erik
description	In this paper, we investigate the power efficiency and bit error rate performance of two spectrally efficient CPM-SCFDMA (Continuous Phase Modulated Single Carrier Frequency Division Multiple Access) waveforms. CPM-SC-FDMA is derived by sampling a Continuous Phase Modulated (CPM) waveform and then DFT-precoding the resulting signal samples for transmission using SC-FDMA. Having originated from a constant envelope CPM waveform, CPM-SC-FDMA can potentially retain much of the power efficiency of CPM-thus resulting in a lower peak-to-average power ratio than conventional SC-FDMA. As we show in this paper, when taking the difference in power amplifier backoff requirements into account, CPM-SC-FDMA can provide an overall gain of up to 4 dB relative to convolutionally encoded QPSK-SC-FDMA over a frequency-selective channel.
doi_str_mv	10.1109/VETECS.2010.5493913
format	conference_proceeding
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language	eng
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source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Bit error rate Convolution Convolutional codes Electronic mail Frequency conversion OFDM modulation Peak to average power ratio Phase modulation Power amplifiers Sampling methods
title	Power and Spectrally Efficient Multiple Access Using CPM over SC-FDMA
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