RF Power Amplifier Behavioral Modeling using Wavelet Multiresolution

被引：0
作者：
Mateo, Carlos [1 ]
Luis Carro, Pedro [1 ]
Garcia, Paloma [1 ]
de Mingo, Jesus [1 ]
机构：
[1] Univ Zaragoza, Aragon Inst Engn Res I3A, Dept Elect Engn & Commun, Zaragoza 50018, Spain
来源：
2015 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications (PAWR) | 2015年
关键词：
Behavioral Modeling; Multiresolution; Power amplifier; Wavelet Transform;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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).
引用
收藏
页码：68 / 70
页数：3
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