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Feedback Gain에 따른 DPD 성능분석
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- Issue Date
- 2012-06
- Citation
- 대한전자공학회 종합 학술 대회 (하계) 2012, pp.842-845
- Publisher
- 대한전자공학회
- Language
- Korean
- Type
- Conference Paper
- Abstract
- The digital predistortion(DPD), which is gaining widespread popularity, is a good solution to compensate for the nonlinearity of power amplifier. In this paper, we focus on the DPD performance variation according to the feedback gain which is related to target gain. Three kinds of target gains (saturation, average, maximum gain) were considered in the analysis and simulation. It is highly recommended that target gain should be saturation gain to get good linearity in the DPD system.
- KSP Keywords
- Analysis and simulation, Performance Variation, Saturation gain, digital predistortion(DPD), feedback gain, power amplifiers(PAs)