Dual-loop Model Extraction for Digital Predistortion of Wideband RF Power Amplifiers
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|Title:||Dual-loop Model Extraction for Digital Predistortion of Wideband RF Power Amplifiers||Authors:||Guan, Lei; Zhu, Anding||Permanent link:||http://hdl.handle.net/10197/8647||Date:||Sep-2011||Online since:||2017-07-12T11:26:33Z||Abstract:||A dual-loop parameter characterization structure is proposed in order to improve the accuracy of the model extraction in digital predistortion systems. In this concept, a model reference loop is used in conjunction with a model inverse structure for fine tuning the model parameters. This model extraction process does not increase much of the complexity of system implementation but experimental results show that linearization performance can be significantly improved by employing the proposed structure for wideband RF power amplifiers.||Funding Details:||Science Foundation Ireland||Type of material:||Journal Article||Publisher:||IEEE||Journal:||IEEE Microwave and Wireless Components Letters||Volume:||21||Issue:||9||Start page:||501||End page:||503||Copyright (published version):||2011 IEEE||Keywords:||Digital predistortion; Dual loop; Linearization; Model extraction; Power amplifier (PA)||DOI:||10.1109/LMWC.2011.2162621||Language:||en||Status of Item:||Peer reviewed|
|Appears in Collections:||Electrical and Electronic Engineering Research Collection|
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