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In the authors' paper, they propose a modification of queue based exponential scheduler that dynamically improves the channel gain of far away users (by increasing their credits) at the cost of a small reduction of the same for the nearby users(by reducing the credits), since users nearby anyway have a fairly high gain. Results clearly suggest that the proposed method is able to maintain a constant average throughput(always greater than that of the P.F scheduling) while it far outperforms the P.F and Queue-Based Exponential Rule Scheduler in the delay characteristics. The throughput fairness index was interestingly observed to improve with increasing number of users while it worsens for the other two schemes.
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