The influence of transmitter and receiver Phase Noise (PN) on the performance of a Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing (MIMO OFDM) based communication system is analyzed. It is shown that in the case of frequency flat Rayleigh fading, the influence of receiver and transmitter PN is equal. In the case of independent Rayleigh fading, however, the impact of the receiver PN is shown to depend on the ratio between the number of transmit and receive branches.
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