specific upper threshold

The new algorithms can reduce the serious unfairness problem caused by the exposed terminal, Based on which, a distributed fairness algorithm - Multi-windows Binary Exponential Backoff (MBEB) is proposed. This new algorithm set two contention window thresholds used to wedding dresses 2010 determine the channel holding time the mobile node occupied. If the contention window is larger than the specific upper threshold, it is planned to lower it to increase the blog wedding dresses 2010 probability accessing the channel next time; on the other side, when the contention window gets smaller than the other polo shirts shop lower threshold, it is recommended to raise it to decrease the probability.In this paper, an extensive performance comparison discussion between the ugg boots 2010 and cheap jeans shop algorithm has been carried out base on the NS-2 simulator. The simulation results indicate that this new method is easier to realize and promote the fairness of the ad-hoc network, also, the TCP instability problem cheap polo shirts raised by the unfairness along with the BEB algorithm has been improved, which reveals the feasibility and advantage of this method.
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