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Table 3 MIMO-PD performance versus polynomial order for coupling levels ρ = -20 dB with SNR = 30 dB and SNR = 40 dB, and IQ imbalance of β1 = β2 = 5% and ϑ1 = ϑ2 = 5° (PA-1)

From: Power amplifier linearization technique with IQ imbalance and crosstalk compensation for broadband MIMO-OFDM transmitters

SNR LS P = 4 RLS P = 3 RLS P = 4 RLS P = 5 RLS P = 3 (even and odd)
  ACPR (dB) EVM (dB) ACPR (dB) EVM (dB) ACPR (dB) EVM (dB) ACPR (dB) EVM (dB) ACPR (dB) EVM (dB)
30 dB - 41.0 - 28.2 - 44.8 - 28.2 - 37.8 - 26.5 - 30.6 - 26.3 - 44.8 - 27.7
40 dB - 50.2 - 31.0 - 49.3 - 29.5 - 49.8 - 29.6 - 49.9 - 29.6 - 49.8 - 29.4
  1. The DC offset is |ε1| = |ε2| = 0.1.