Formal deduction of a Volterra series model for complex-valued systems
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- 作者：C. Crespo-Cadenas ; ccrespo@us.es" class="auth_mail" title="E-mail the corresponding author ; Marí ; a J. Madero-Ayora mjmadero@us.es" class="auth_mail" title="E-mail the corresponding author ; Javier Reina-Tosina jreina@us.es" class="auth_mail" title="E-mail the corresponding author ; J.A. Becerra-Gonzá ; lez jabecerra@us.es" class="auth_mail" title="E-mail the corresponding author
- 关键词：Complex-valued Volterra models ; Wirtinger calculus ; Double Volterra series ; I/Q modulators ; Power amplifiers
- 刊名：Signal Processing
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：131
- 期：Complete
- 页码：245-248
- 全文大小：467 K
文摘
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A Volterra approach to model nonlinear complex-valued systems is demonstrated.
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The model generalizes widely linear transformations to nonlinear systems.
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It encompasses diverse specific models for nonlinear complex-valued systems.
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A sparse representation is adopted to prune the model parameters.
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Results concerning nonlinear communication subsystems show excellent performance.