Power Spectral Density and Cubic Metric for the OFDM/OQAM Modulation

Author

Skrzypczak, Alexandre ; Siohan, Pierre ; Javaudin, Jean-Philippe

Author_Institution

Div. of Res. & Dev., France Telecom, Cesson Sevigne

fYear

2006

fDate

Aug. 2006

Firstpage

846

Lastpage

850

Abstract

OFDM/OQAM is now a recognized alternative to conventional OFDM for the transmission of signals over multipath fading channels. Indeed with OFDM/OQAM, an appropriate pulse shaping can be introduced to fight against time and frequency dispersion. The paper aims at showing that this pulse shaping gives interesting spectral properties in the case of a cubic nonlinear power amplifier. In a second step, an original algorithm is also proposed to reduce either the peak-to-average power ratio (PAPR) or the cubic metric (CM) of the OFDM/OQAM signal

Keywords

OFDM modulation; fading channels; multipath channels; power amplifiers; pulse shaping; quadrature amplitude modulation; time-frequency analysis; OFDM-OQAM modulation; cubic metric; cubic nonlinear power amplifier; multipath fading channels; peak-to-average power ratio; power spectral density; pulse shaping; time-frequency dispersion; Amplitude modulation; Fading; Information technology; OFDM modulation; Peak to average power ratio; Power amplifiers; Pulse amplifiers; Pulse shaping methods; Quadrature amplitude modulation; Signal processing; Cubic Metric; OFDM/OQAM; Peak-to-Average Power Ratio; Power Spectral Density; nonlinear amplification;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing and Information Technology, 2006 IEEE International Symposium on

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-9753-3

Electronic_ISBN

0-7803-9754-1

Type

conf

DOI

10.1109/ISSPIT.2006.270916

Filename

4042358