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In this paper, an evaluation of unwanted effects in Multiple Input Multiple Output (MIMO) transmitters is described. Complete 2×2 and 4×4 MIMO Orthogonal Frequency Division Multiplex (OFDM) transmitters are simulated for the purpose of quantifying all potential unwanted effects such as Power Amplifiers' (PAs) nonlinearity, linear and nonlinear crosstalk, and IQ modulator imperfections. An experimental...
This paper presents analysis of nonlinear distortion and crosstalk compensation in Multiple Input Multiple Output (MIMO) OFDM wireless transmitters. This paper demonstrates that nonlinear crosstalk affects the performance of digital predistorter and it cannot be compensated by the conventional Memory Polynomial digital predistortion technique. Also, it has been shown that proposed CO-DPD technique...
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