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Efficiency-fairness tradeoff in telecommunications networks

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4 Author(s)
Zukerman, M. ; Dept. of Electr. & Electron. Eng., Melbourne Univ., Vic., Australia ; Liansheng Tan ; Wang, H. ; Ouveysi, I.

Introducing the concept of α-fairness, which allows for a bounded fairness compromise, so that no source is allocated less than a fraction α of its fair share, this letter studies tradeoffs between efficiency (utilization, throughput or revenue) and fairness in a general telecommunications network with relation to any fairness criterion. We formulate a linear program that finds the optimal bandwidth allocation by maximizing efficiency subject to α-fairness constraints. This leads to what we call an efficiency-fairness curve, which shows the benefit in efficiency as a function of the extent to which fairness is compromised.

Published in:

Communications Letters, IEEE  (Volume:9 ,  Issue: 7 )

Date of Publication:

July 2005

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