Abstract: In this paper, weanalyse the buffer behaviour in MIMO transmitter, depending on the traffic incoming intensity and service discipline of the outgoing process, respectively, depending on the buffer filling and emptying processes. Using a mathematical study and a simulation model w? propose an optimal strategy for employing the buffer at the MIMO transmitter based spatial multiplexing techniques.

Keywords: MIMO, spatial multiplexing, buffers, M/M/1/c.