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IEEE 6th Workshop on Signal Processing Advances in Wireless Communications, 2005.
We investigate the impact of multiple transmit antennas on the performance of a SDMA/TDMA single-cell downlink system under random packet arrivals, correlated block-fading channels and non-perfect channel state information at the transmitter due to a delay in the feedback link. We derive the arrival rate stability region and the adaptive scheduling policy that stabilizes any arrival rate point inside the region without knowing explicitly the fading and arrival statistics. Then, we apply thesedoi:10.1109/spawc.2005.1506198 fatcat:h2j3i7jri5fufd2ond3u67m54y