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Scheduling can obtain multi-user diversity if channel state information (CSI) is known, such as for low-mobility users and can exploit frequency diversity if CSI is not available at the transmitter, such as for high-mobility users. In this paper, we investigate resource allocation exploiting frequency and multi-user diversity for LTE downlink systems with users of different mobilities. To facilitate...
In this paper, we develop a scheduling algorithm to obtain multi-user diversity for those low-mobility users and frequency diversity for those high-mobility users. Computer simulation demonstrates that the proposed scheduling algorithm provides 10% and 16% overall cell throughput gain over proportional fairness based frequency-selective and frequency-diversity scheduling algorithm, respectively. In...
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