DocumentCode
3654225
Title
RF power amplifier behavioral modeling using wavelet multiresolution
Author
Carlos Mateo;Pedro Luis Carro;Paloma Garc?a;Jesus De Mingo
Author_Institution
Department of Electronic Engineering and Communications Aragon Institute of Engineering Research (I3A), University of Zaragoza, Spain
fYear
2015
Firstpage
1
Lastpage
3
Abstract
The polynomial-type structure is widely used for modeling Power Amplifiers (PA) in wireless applications, but it may present some limits when the adjacent channel response is modeled. We propose a new technique that consists of decomposing the signal in different resolution levels by means of the Stationary Wavelet Transform. The technique is applied with a waveform corresponding to an OFDM with a 8 MHz bandwidth. Computer simulations confirm the new technique improves the Normalized Mean Square Error (NMSE) about 4.5 dB and 6.24 dB in Adjacent Channel Error Power Ratio (ACEPR).
Keywords
"Computational modeling","Signal resolution","Mathematical model","OFDM","Polynomials","Wavelet transforms","Delays"
Publisher
ieee
Conference_Titel
Power Amplifiers for Wireless and Radio Applications (PAWR), 2015 IEEE Topical Conference on
Type
conf
DOI
10.1109/PAWR.2015.7139214
Filename
7139214
Link To Document