2019
DOI: 10.1109/tcsii.2018.2873251
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Harmonically Related Concurrent Tri-Band Behavioral Modeling and Digital Predistortion

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Cited by 12 publications
(10 citation statements)
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“…In the literature, [9]- [15] explore the cases related to harmonic interference. The works reported in [9]- [11] use a feed-forward harmonic cancellation technique for harmonic suppression.…”
Section: B Comparision Of Nn Model With the Exiting Harmonic Related Solutionsmentioning
confidence: 99%
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“…In the literature, [9]- [15] explore the cases related to harmonic interference. The works reported in [9]- [11] use a feed-forward harmonic cancellation technique for harmonic suppression.…”
Section: B Comparision Of Nn Model With the Exiting Harmonic Related Solutionsmentioning
confidence: 99%
“…This digitally controlled harmonic cancellation techniques can omit the switched filter bank, as shown in Fig. 1, and result into filter-less multi-octave transmitter architecture [9]- [15]. This filter-less multi-octave transmitter architecture can present frequency agile and miniaturized solution in VHF/UHF bands particularly suitable for SDR application.…”
Section: Introductionmentioning
confidence: 99%
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“…Power back-off can be used to linearize the behavior of the HPA, but it reduces energy efficiency. Digital predistortion (DPD) of the input signal can help linearize the behavior of PA in the saturation region [8], [9]. DPD systems, however, cannot be directly applied to the 5G systems, as using dedicated DPD circuitry at each element of a massive MIMO transmitter would result in an infeasible amount of power consumption as number of antennas becomes large.…”
Section: Introductionmentioning
confidence: 99%
“…The use of 5G spectrally efficient waveforms featuring high peak-to-average power ratio (PAPR) and occupying wider bandwidths in multiple antenna transmitters [1] only aggravates such compromise. When considering wide bandwidth signals, carrier aggregation or multi-band configurations [2] in high efficient transmitter architectures, such as Doherty PAs, envelope tracking PAs or outphasing transmitters, the number of parameters required in the DPD model to compensate for both static nonlinearities and dynamic memory effects can be unacceptably high. This has a negative impact in the DPD model extraction/adaptation process, because it increases the computational complexity which may provoke over-fitting and uncertainty in the DPD estimation stages [3].…”
Section: Introductionmentioning
confidence: 99%