D. J. Leith, P. Clifford, D. Malone, and A. Ng
In this article the authors present to unfairness issues in 802.11. First, unfairness between uplink flows due to the irregular delivery of ack packets. And then, the unfairness between uplink and downlink flows because all the downlink flows have to be submitted from de same node (the AP). They already suggest using TXOP to fight this last problem. Concerning the former problem, they propose a separate queue for ACK packets.
Our contribution will be quantify the unfairness by means of simulation, propose TXOP values, and show that the separate queue is unnecessary, since the txop alone is enough to solve the problem.
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