Peak to Average Power Ratio Reduction in ECMA-368 Ultra wideband Communication Systems Using Active Constellation Extension

Authors:
Abdelhamid Louliej;Younes Jabrane;Brahim Ait Said;Abdellah Ait Ouahman
Affiliations:
TRI Team, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco 40001;OSCARS Laboratory, National School of Applied Sciences, Cadi Ayyad University, Marrakech, Morocco 40001;TRI Team, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco 40001;OSCARS Laboratory, National School of Applied Sciences, Cadi Ayyad University, Marrakech, Morocco 40001
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

Citing 3
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Abstract

Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) is an efficient approach for The ECMA-368 Ultra Wideband (UWB) wireless communication Standard. However, the high Peak to Average Power Ratio (PAPR) of MB-OFDM UWB signals, limits the power efficiency of the High Power Amplifier (HPA) due to nonlinear distortion. Hence the need to reduce the PAPR of MB-OFDM UWB signals. In this paper, the efficiency of some recently proposed methods including the Active Constellation Extension Approximate Gradient-Project technique (ACE-AGP) is evaluated in real ECMA-368 communication system, with the use of typical HPA models and the UWB channel models defined in IEEE 802.15.3a standard. The PAPR measure and the bit error rate (BER) are used as performance measures in this evaluation.The results indicate that the ACE-AGP algorithm introduces a significant reduction of PAPR about 6.7 dB and reduces the BER degradation in all UWB channel models with different data rates.