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In this paper, the authors derive the Symbol Error Rate (SER) of the Vertical Bell laboratories LAyered Space-Time (V-BLAST) detection algorithm based on Zero-Forcing Successive Interference Cancellation (ZF-SIC) over an independent and identically distributed Rayleigh flat fading channel. By introducing the concepts of "Event" and "State" related to error propagation, they evaluate the effect of error propagation and calculate the exact SER of each layer in a simple way. Compared with the pre-existing results, their approach can offer the closed-form expression of the SER of arbitrary Quadrature-Amplitude Modulation (QAM) for an arbitrary number of transmit and receiver antennas. Furthermore, their analysis matches very well with Monte Carlo simulation results.
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