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A modeling approach to power amplifier design for implementation in OFDM radio units is presented. The power amplifier model assesses the impact of linear memory effects within the system using a Wiener representation, and employs a linear novel parametric estimation technique using Hilbert space. In addition, in order to model the nonlinear memory effects the previous topology is generalized by inserting...
This paper represents a new modified algorithm for modeling High Power Amplifier (HPA) based on wiener model for wideband applications such as OFDM. Meanwhile the measurement of memory effects is done. Next, novel approach for estimating parameters of adaptive predistorter (PD) based on Hammerstein represents. Finally the assessment of the new methods for PA and PD modeling are confirmed by computer...
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