Low Complexity Coefficient Estimation for Concurrent Dual-Band Digital Predistortion

  title={Low Complexity Coefficient Estimation for Concurrent Dual-Band Digital Predistortion},
  author={Hua Qian and Saijie Yao and Hao Huang and Xiumei Yang and Weifeng Feng},
  journal={IEEE Transactions on Microwave Theory and Techniques},
Dual-band or multi-band RF power amplifiers (PAs) have attracted a lot of attention in recent years as they rise to the challenge of segmented spectrum allocation in wireless systems. Adaptive digital predistortion (DPD) for concurrent dual-band PAs evolves from existing DPD for single-band PAs. In this paper, we derive the baseband dual-band Volterra model from the corresponding passband model. In addition, the computational complexity of the DPD estimation algorithm increases dramatically as… CONTINUE READING
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Lowcomplexity 2D behavioural model for concurrent dual-band power amplifiers

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