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Channel aware and opportunistic scheduling algorithms exploit the channel knowledge and fading to increase the average throughput. Alternatively, each user could be served equally in order to maximize fairness. Obviously, there is a tradeoff between average throughput and fairness in the system. In this paper, the authors study four representative schedulers, namely the Maximum Throughput Scheduler (MTS), the Proportional Fair Scheduler (PFS), the (relative) Opportunistic Round robin Scheduler (ORS), and the Round Robin Scheduler (RRS) for a space-time coded multiple antenna downlink system.
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