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Capacity and Fairness in Multiuser Diversity Systems with Opportunistic Feedback

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2 Author(s)
Jae-woo So ; Dept. of Electron. Eng., Sogang Univ., Seoul ; Cioffi, J.M.

An opportunistic feedback protocol is proposed for multiuser diversity systems with proportional fair scheduling and maximum-throughput scheduling. The uplink feedback period is divided into two subperiods and users randomly access the feedback minislots according to their scheduling metric. An integrated analytical model is developed for evaluating the proposed feedback protocol.

Published in:

Communications Letters, IEEE  (Volume:12 ,  Issue: 9 )