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Proportional Fair Multiuser Scheduling in LTE

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3 Author(s)
Raymond Kwan ; Univ. of Bedfordshire, Luton ; Cyril Leung ; Jie Zhang

The challenge of scheduling user transmissions on the downlink of a long term evolution (LTE) cellular communication system is addressed. A maximum rate algorithm which does not consider fairness among users was proposed in . Here, a multiuser scheduler with proportional fairness (PF) is proposed. Numerical results show that the proposed PF scheduler provides a superior fairness performance with a modest loss in throughput, as long as the user average SINRs are fairly uniform. A suboptimal PF scheduler is also proposed, which has a much lower complexity at the cost of some throughput degradation.

Published in:

IEEE Signal Processing Letters  (Volume:16 ,  Issue: 6 )