T. Sadeghpour, R. Abd‐Alhameed, N. Ali, I. Elfergani, Y. A. Dama, O. O. Anoh
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Linear and nonlinear crosstalk in MIMO OFDM transceivers
This paper studies the effect of nonlinear and linear crosstalk in a MIMO (multiple in, multiple out) transceiver. These effects are mainly due to the power amplifier (PA) nonlinear behaviour and mutual coupling of antennas in the MIMO transmitter. The effects of the crosstalk interference on the signal performance are studied based on the measured error vector magnitude (EVM) at the transmitting antennas. The simulation and measurement results show that PA nonlinearity and RF crosstalk need to be considered in the design process.
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