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

Author

Wylie-Green, Marilynn P. ; Svensson, Tommy ; Perrins, Erik

fYear

2010

fDate

16-19 May 2010

Firstpage

1

Lastpage

5

Abstract

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.

Keywords

Bit error rate; Convolution; Convolutional codes; Electronic mail; Frequency conversion; OFDM modulation; Peak to average power ratio; Phase modulation; Power amplifiers; Sampling methods;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference (VTC 2010-Spring), 2010 IEEE 71st

Conference_Location

Taipei, Taiwan

ISSN

1550-2252

Print_ISBN

978-1-4244-2518-1

Electronic_ISBN

1550-2252

Type

conf

DOI

10.1109/VETECS.2010.5493913

Filename

5493913