Optimal downlink scheduling policies for slotted wireless time-varying channels

Authors:
V. Tsibonis;L. Georgiadis
Affiliations:
Aristotle Univ. of Thessaloniki, Greece;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2005

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Abstract

We consider the problem of scheduling transmissions from the base station to a number of mobile users sharing the same wireless slotted time-varying multirate channel. As a performance measure, we consider the throughput assigned to each user and with each user, we associate a general reward function that reflects the level of satisfaction for a given throughput allocation. By exploiting the variations in the channel conditions and under reasonable statistical assumptions, we propose a policy that maximizes the long-term reward of the system. Specific choices of the reward functions lead to several fairness criteria.