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Comments on "Partial channel feedback schemes maximizing overall efficiency in wireless networks" [Apr 08 1306-1314]

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3 Author(s)
Chunjuan Diao ; Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China ; Ming Chen ; Bingyang Wu

The proof of Proposition 2 in the above-mentioned paper was incorrect due to some flaws in the prerequisite analysis of the proposed hybrid feedback scheme. We fix the flaws and correct the proof in this comment. From the corrected proof, we arrive at a new observation that the hybrid feedback scheme has exactly the same feedback overhead as the pure opportunistic feedback scheme if the threshold is adaptively set for a target utilization. Simulation results demonstrate the correctness of our analysis.

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Wireless Communications, IEEE Transactions on  (Volume:10 ,  Issue: 3 )