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Main Authors: Duan, Huanqiang, Versluis, Manno, Chen, Qinyu, de Vreede, Leo C. N., Gao, Chang
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2506.12165
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author Duan, Huanqiang
Versluis, Manno
Chen, Qinyu
de Vreede, Leo C. N.
Gao, Chang
author_facet Duan, Huanqiang
Versluis, Manno
Chen, Qinyu
de Vreede, Leo C. N.
Gao, Chang
contents Digital predistortion (DPD) is essential for mitigating nonlinearity in RF power amplifiers, particularly for wideband applications. This paper presents TCN-DPD, a parameter-efficient architecture based on temporal convolutional networks, integrating noncausal dilated convolutions with optimized activation functions. Evaluated on the OpenDPD framework with the DPA_200MHz dataset, TCN-DPD achieves simulated ACPRs of -51.58/-49.26 dBc (L/R), EVM of -47.52 dB, and NMSE of -44.61 dB with 500 parameters and maintains superior linearization than prior models down to 200 parameters, making it promising for efficient wideband PA linearization.
format Preprint
id arxiv_https___arxiv_org_abs_2506_12165
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle TCN-DPD: Parameter-Efficient Temporal Convolutional Networks for Wideband Digital Predistortion
Duan, Huanqiang
Versluis, Manno
Chen, Qinyu
de Vreede, Leo C. N.
Gao, Chang
Signal Processing
Artificial Intelligence
Digital predistortion (DPD) is essential for mitigating nonlinearity in RF power amplifiers, particularly for wideband applications. This paper presents TCN-DPD, a parameter-efficient architecture based on temporal convolutional networks, integrating noncausal dilated convolutions with optimized activation functions. Evaluated on the OpenDPD framework with the DPA_200MHz dataset, TCN-DPD achieves simulated ACPRs of -51.58/-49.26 dBc (L/R), EVM of -47.52 dB, and NMSE of -44.61 dB with 500 parameters and maintains superior linearization than prior models down to 200 parameters, making it promising for efficient wideband PA linearization.
title TCN-DPD: Parameter-Efficient Temporal Convolutional Networks for Wideband Digital Predistortion
topic Signal Processing
Artificial Intelligence
url https://arxiv.org/abs/2506.12165